-diff -NurpP --minimal linux-2.6.27.33/arch/alpha/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/Kconfig
---- linux-2.6.27.33/arch/alpha/Kconfig 2008-10-13 14:51:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -667,6 +667,8 @@ config DUMMY_CONSOLE
+diff -NurpP --minimal linux-3.18.5/Documentation/vserver/debug.txt linux-3.18.5-vs2.3.7.3/Documentation/vserver/debug.txt
+--- linux-3.18.5/Documentation/vserver/debug.txt 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/Documentation/vserver/debug.txt 2015-01-19 10:57:45.000000000 +0000
+@@ -0,0 +1,154 @@
++
++debug_cvirt:
++
++ 2 4 "vx_map_tgid: %p/%llx: %d -> %d"
++ "vx_rmap_tgid: %p/%llx: %d -> %d"
++
++debug_dlim:
++
++ 0 1 "ALLOC (%p,#%d)%c inode (%d)"
++ "FREE (%p,#%d)%c inode"
++ 1 2 "ALLOC (%p,#%d)%c %lld bytes (%d)"
++ "FREE (%p,#%d)%c %lld bytes"
++ 2 4 "ADJUST: %lld,%lld on %ld,%ld [mult=%d]"
++ 3 8 "ext3_has_free_blocks(%p): %lu<%lu+1, %c, %u!=%u r=%d"
++ "ext3_has_free_blocks(%p): free=%lu, root=%lu"
++ "rcu_free_dl_info(%p)"
++ 4 10 "alloc_dl_info(%p,%d) = %p"
++ "dealloc_dl_info(%p)"
++ "get_dl_info(%p[#%d.%d])"
++ "put_dl_info(%p[#%d.%d])"
++ 5 20 "alloc_dl_info(%p,%d)*"
++ 6 40 "__hash_dl_info: %p[#%d]"
++ "__unhash_dl_info: %p[#%d]"
++ 7 80 "locate_dl_info(%p,#%d) = %p"
++
++debug_misc:
++
++ 0 1 "destroy_dqhash: %p [#0x%08x] c=%d"
++ "new_dqhash: %p [#0x%08x]"
++ "vroot[%d]_clr_dev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_get_real_bdev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_set_dev: dev=%p[%lu,%d:%d]"
++ "vroot_get_real_bdev not set"
++ 1 2 "cow_break_link(»%s«)"
++ "temp copy »%s«"
++ 2 4 "dentry_open(new): %p"
++ "dentry_open(old): %p"
++ "lookup_create(new): %p"
++ "old path »%s«"
++ "path_lookup(old): %d"
++ "vfs_create(new): %d"
++ "vfs_rename: %d"
++ "vfs_sendfile: %d"
++ 3 8 "fput(new_file=%p[#%d])"
++ "fput(old_file=%p[#%d])"
++ 4 10 "vx_info_kill(%p[#%d],%d,%d) = %d"
++ "vx_info_kill(%p[#%d],%d,%d)*"
++ 5 20 "vs_reboot(%p[#%d],%d)"
++ 6 40 "dropping task %p[#%u,%u] for %p[#%u,%u]"
++
++debug_net:
++
++ 2 4 "nx_addr_conflict(%p,%p) %d.%d,%d.%d"
++ 3 8 "inet_bind(%p) %d.%d.%d.%d, %d.%d.%d.%d, %d.%d.%d.%d"
++ "inet_bind(%p)* %p,%p;%lx %d.%d.%d.%d"
++ 4 10 "ip_route_connect(%p) %p,%p;%lx"
++ 5 20 "__addr_in_socket(%p,%d.%d.%d.%d) %p:%d.%d.%d.%d %p;%lx"
++ 6 40 "sk,egf: %p [#%d] (from %d)"
++ "sk,egn: %p [#%d] (from %d)"
++ "sk,req: %p [#%d] (from %d)"
++ "sk: %p [#%d] (from %d)"
++ "tw: %p [#%d] (from %d)"
++ 7 80 "__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d"
++ "__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d"
++
++debug_nid:
++
++ 0 1 "__lookup_nx_info(#%u): %p[#%u]"
++ "alloc_nx_info(%d) = %p"
++ "create_nx_info(%d) (dynamic rejected)"
++ "create_nx_info(%d) = %p (already there)"
++ "create_nx_info(%d) = %p (new)"
++ "dealloc_nx_info(%p)"
++ 1 2 "alloc_nx_info(%d)*"
++ "create_nx_info(%d)*"
++ 2 4 "get_nx_info(%p[#%d.%d])"
++ "put_nx_info(%p[#%d.%d])"
++ 3 8 "claim_nx_info(%p[#%d.%d.%d]) %p"
++ "clr_nx_info(%p[#%d.%d])"
++ "init_nx_info(%p[#%d.%d])"
++ "release_nx_info(%p[#%d.%d.%d]) %p"
++ "set_nx_info(%p[#%d.%d])"
++ 4 10 "__hash_nx_info: %p[#%d]"
++ "__nx_dynamic_id: [#%d]"
++ "__unhash_nx_info: %p[#%d.%d.%d]"
++ 5 20 "moved task %p into nxi:%p[#%d]"
++ "nx_migrate_task(%p,%p[#%d.%d.%d])"
++ "task_get_nx_info(%p)"
++ 6 40 "nx_clear_persistent(%p[#%d])"
++
++debug_quota:
++
++ 0 1 "quota_sync_dqh(%p,%d) discard inode %p"
++ 1 2 "quota_sync_dqh(%p,%d)"
++ "sync_dquots(%p,%d)"
++ "sync_dquots_dqh(%p,%d)"
++ 3 8 "do_quotactl(%p,%d,cmd=%d,id=%d,%p)"
++
++debug_switch:
++
++ 0 1 "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]"
++ 1 2 "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]"
++ 4 10 "%s: (%s %s) returned %s with %d"
++
++debug_tag:
++
++ 7 80 "dx_parse_tag(»%s«): %d:#%d"
++ "dx_propagate_tag(%p[#%lu.%d]): %d,%d"
++
++debug_xid:
++
++ 0 1 "__lookup_vx_info(#%u): %p[#%u]"
++ "alloc_vx_info(%d) = %p"
++ "alloc_vx_info(%d)*"
++ "create_vx_info(%d) (dynamic rejected)"
++ "create_vx_info(%d) = %p (already there)"
++ "create_vx_info(%d) = %p (new)"
++ "dealloc_vx_info(%p)"
++ "loc_vx_info(%d) = %p (found)"
++ "loc_vx_info(%d) = %p (new)"
++ "loc_vx_info(%d) = %p (not available)"
++ 1 2 "create_vx_info(%d)*"
++ "loc_vx_info(%d)*"
++ 2 4 "get_vx_info(%p[#%d.%d])"
++ "put_vx_info(%p[#%d.%d])"
++ 3 8 "claim_vx_info(%p[#%d.%d.%d]) %p"
++ "clr_vx_info(%p[#%d.%d])"
++ "init_vx_info(%p[#%d.%d])"
++ "release_vx_info(%p[#%d.%d.%d]) %p"
++ "set_vx_info(%p[#%d.%d])"
++ 4 10 "__hash_vx_info: %p[#%d]"
++ "__unhash_vx_info: %p[#%d.%d.%d]"
++ "__vx_dynamic_id: [#%d]"
++ 5 20 "enter_vx_info(%p[#%d],%p) %p[#%d,%p]"
++ "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]"
++ "moved task %p into vxi:%p[#%d]"
++ "task_get_vx_info(%p)"
++ "vx_migrate_task(%p,%p[#%d.%d])"
++ 6 40 "vx_clear_persistent(%p[#%d])"
++ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_persistent(%p[#%d])"
++ "vx_set_reaper(%p[#%d],%p[#%d,%d])"
++ 7 80 "vx_child_reaper(%p[#%u,%u]) = %p[#%u,%u]"
++
++
++debug_limit:
++
++ n 2^n "vx_acc_cres[%5d,%s,%2d]: %5d%s"
++ "vx_cres_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
++
++ m 2^m "vx_acc_page[%5d,%s,%2d]: %5d%s"
++ "vx_acc_pages[%5d,%s,%2d]: %5d += %5d"
++ "vx_pages_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
+diff -NurpP --minimal linux-3.18.5/arch/alpha/Kconfig linux-3.18.5-vs2.3.7.3/arch/alpha/Kconfig
+--- linux-3.18.5/arch/alpha/Kconfig 2014-06-12 13:00:27.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/alpha/Kconfig 2015-01-19 10:57:45.000000000 +0000
+@@ -740,6 +740,8 @@ config DUMMY_CONSOLE
depends on VGA_HOSE
default y
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/alpha/kernel/entry.S linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/entry.S
---- linux-2.6.27.33/arch/alpha/kernel/entry.S 2009-09-13 16:16:49.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/entry.S 2009-02-03 17:59:04.000000000 +0100
-@@ -872,24 +872,15 @@ sys_getxgid:
- .globl sys_getxpid
- .ent sys_getxpid
- sys_getxpid:
-+ lda $sp, -16($sp)
-+ stq $26, 0($sp)
- .prologue 0
-- ldq $2, TI_TASK($8)
-
-- /* See linux/kernel/timer.c sys_getppid for discussion
-- about this loop. */
-- ldq $3, TASK_GROUP_LEADER($2)
-- ldq $4, TASK_REAL_PARENT($3)
-- ldl $0, TASK_TGID($2)
--1: ldl $1, TASK_TGID($4)
--#ifdef CONFIG_SMP
-- mov $4, $5
-- mb
-- ldq $3, TASK_GROUP_LEADER($2)
-- ldq $4, TASK_REAL_PARENT($3)
-- cmpeq $4, $5, $5
-- beq $5, 1b
--#endif
-- stq $1, 80($sp)
-+ lda $16, 96($sp)
-+ jsr $26, do_getxpid
-+ ldq $26, 0($sp)
-+
-+ lda $sp, 16($sp)
- ret
- .end sys_getxpid
-
-diff -NurpP --minimal linux-2.6.27.33/arch/alpha/kernel/osf_sys.c linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/osf_sys.c
---- linux-2.6.27.33/arch/alpha/kernel/osf_sys.c 2008-10-13 14:51:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/osf_sys.c 2008-10-13 14:54:20.000000000 +0200
-@@ -888,7 +888,7 @@ osf_gettimeofday(struct timeval32 __user
- {
- if (tv) {
- struct timeval ktv;
-- do_gettimeofday(&ktv);
-+ vx_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
- return -EFAULT;
- }
-diff -NurpP --minimal linux-2.6.27.33/arch/alpha/kernel/ptrace.c linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/ptrace.c
---- linux-2.6.27.33/arch/alpha/kernel/ptrace.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/ptrace.c 2008-10-13 14:54:20.000000000 +0200
-@@ -15,6 +15,7 @@
- #include <linux/slab.h>
- #include <linux/security.h>
- #include <linux/signal.h>
-+#include <linux/vs_base.h>
-
- #include <asm/uaccess.h>
- #include <asm/pgtable.h>
-diff -NurpP --minimal linux-2.6.27.33/arch/alpha/kernel/systbls.S linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/systbls.S
---- linux-2.6.27.33/arch/alpha/kernel/systbls.S 2009-09-13 16:16:49.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/systbls.S 2009-02-03 17:59:04.000000000 +0100
+diff -NurpP --minimal linux-3.18.5/arch/alpha/kernel/systbls.S linux-3.18.5-vs2.3.7.3/arch/alpha/kernel/systbls.S
+--- linux-3.18.5/arch/alpha/kernel/systbls.S 2015-01-16 22:18:10.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/alpha/kernel/systbls.S 2015-01-19 10:57:45.000000000 +0000
@@ -446,7 +446,7 @@ sys_call_table:
.quad sys_stat64 /* 425 */
.quad sys_lstat64
.quad sys_ni_syscall /* sys_mbind */
.quad sys_ni_syscall /* sys_get_mempolicy */
.quad sys_ni_syscall /* sys_set_mempolicy */
-diff -NurpP --minimal linux-2.6.27.33/arch/alpha/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/traps.c
---- linux-2.6.27.33/arch/alpha/kernel/traps.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/kernel/traps.c 2008-10-13 14:54:20.000000000 +0200
-@@ -183,7 +183,8 @@ die_if_kernel(char * str, struct pt_regs
+diff -NurpP --minimal linux-3.18.5/arch/alpha/kernel/traps.c linux-3.18.5-vs2.3.7.3/arch/alpha/kernel/traps.c
+--- linux-3.18.5/arch/alpha/kernel/traps.c 2014-01-22 20:38:10.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/alpha/kernel/traps.c 2015-01-19 10:57:45.000000000 +0000
+@@ -175,7 +175,8 @@ die_if_kernel(char * str, struct pt_regs
#ifdef CONFIG_SMP
printk("CPU %d ", hard_smp_processor_id());
#endif
- printk("%s(%d): %s %ld\n", current->comm, task_pid_nr(current), str, err);
-+ printk("%s(%d[#%u]): %s %ld\n", current->comm,
++ printk("%s(%d:#%u): %s %ld\n", current->comm,
+ task_pid_nr(current), current->xid, str, err);
dik_show_regs(regs, r9_15);
- add_taint(TAINT_DIE);
+ add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
dik_show_trace((unsigned long *)(regs+1));
-diff -NurpP --minimal linux-2.6.27.33/arch/alpha/mm/fault.c linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/mm/fault.c
---- linux-2.6.27.33/arch/alpha/mm/fault.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/alpha/mm/fault.c 2008-10-13 14:54:20.000000000 +0200
-@@ -193,8 +193,8 @@ do_page_fault(unsigned long address, uns
- down_read(&mm->mmap_sem);
- goto survive;
- }
-- printk(KERN_ALERT "VM: killing process %s(%d)\n",
-- current->comm, task_pid_nr(current));
-+ printk(KERN_ALERT "VM: killing process %s(%d:#%u)\n",
-+ current->comm, task_pid_nr(current), current->xid);
- if (!user_mode(regs))
- goto no_context;
- do_group_exit(SIGKILL);
-diff -NurpP --minimal linux-2.6.27.33/arch/arm/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/arm/Kconfig
---- linux-2.6.27.33/arch/arm/Kconfig 2008-10-13 14:51:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/arm/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -1240,6 +1240,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-3.18.5/arch/arm/Kconfig linux-3.18.5-vs2.3.7.3/arch/arm/Kconfig
+--- linux-3.18.5/arch/arm/Kconfig 2015-01-17 02:39:30.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/arm/Kconfig 2015-01-19 10:57:45.000000000 +0000
+@@ -2170,6 +2170,8 @@ source "fs/Kconfig"
source "arch/arm/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/arm/kernel/calls.S linux-2.6.27.33-vs2.3.0.36.6/arch/arm/kernel/calls.S
---- linux-2.6.27.33/arch/arm/kernel/calls.S 2009-09-13 16:16:49.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/arm/kernel/calls.S 2009-02-03 17:59:04.000000000 +0100
+diff -NurpP --minimal linux-3.18.5/arch/arm/kernel/calls.S linux-3.18.5-vs2.3.7.3/arch/arm/kernel/calls.S
+--- linux-3.18.5/arch/arm/kernel/calls.S 2015-01-17 02:39:31.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/arm/kernel/calls.S 2015-01-19 10:57:45.000000000 +0000
@@ -322,7 +322,7 @@
/* 310 */ CALL(sys_request_key)
CALL(sys_keyctl)
CALL(sys_ioprio_set)
/* 315 */ CALL(sys_ioprio_get)
CALL(sys_inotify_init)
-diff -NurpP --minimal linux-2.6.27.33/arch/arm/kernel/process.c linux-2.6.27.33-vs2.3.0.36.6/arch/arm/kernel/process.c
---- linux-2.6.27.33/arch/arm/kernel/process.c 2008-10-13 14:51:52.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/arm/kernel/process.c 2008-10-13 14:54:20.000000000 +0200
-@@ -262,7 +262,8 @@ void __show_regs(struct pt_regs *regs)
- void show_regs(struct pt_regs * regs)
- {
- printk("\n");
-- printk("Pid: %d, comm: %20s\n", task_pid_nr(current), current->comm);
-+ printk("Pid: %d[#%u], comm: %20s\n",
-+ task_pid_nr(current), current->xid, current->comm);
- __show_regs(regs);
- __backtrace();
- }
-diff -NurpP --minimal linux-2.6.27.33/arch/arm/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/arm/kernel/traps.c
---- linux-2.6.27.33/arch/arm/kernel/traps.c 2008-10-13 14:51:52.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/arm/kernel/traps.c 2008-10-13 14:54:20.000000000 +0200
-@@ -214,8 +214,8 @@ static void __die(const char *str, int e
- str, err, ++die_counter);
+diff -NurpP --minimal linux-3.18.5/arch/arm/kernel/traps.c linux-3.18.5-vs2.3.7.3/arch/arm/kernel/traps.c
+--- linux-3.18.5/arch/arm/kernel/traps.c 2015-01-17 02:39:31.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/arm/kernel/traps.c 2015-01-19 10:57:45.000000000 +0000
+@@ -250,8 +250,8 @@ static int __die(const char *str, int er
+
print_modules();
__show_regs(regs);
-- printk("Process %s (pid: %d, stack limit = 0x%p)\n",
-- tsk->comm, task_pid_nr(tsk), thread + 1);
-+ printk("Process %s (pid: %d:#%u, stack limit = 0x%p)\n",
-+ tsk->comm, task_pid_nr(tsk), tsk->xid, thread + 1);
+- printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
+- TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
++ printk(KERN_EMERG "Process %.*s (pid: %d:#%u, stack limit = 0x%p)\n",
++ TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), tsk->xid, end_of_stack(tsk));
if (!user_mode(regs) || in_interrupt()) {
- dump_mem("Stack: ", regs->ARM_sp,
-diff -NurpP --minimal linux-2.6.27.33/arch/arm/mm/fault.c linux-2.6.27.33-vs2.3.0.36.6/arch/arm/mm/fault.c
---- linux-2.6.27.33/arch/arm/mm/fault.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/arm/mm/fault.c 2008-10-13 14:54:20.000000000 +0200
-@@ -292,7 +292,8 @@ do_page_fault(unsigned long addr, unsign
- * happened to us that made us unable to handle
- * the page fault gracefully.
- */
-- printk("VM: killing process %s\n", tsk->comm);
-+ printk("VM: killing process %s(%d:#%u)\n",
-+ tsk->comm, task_pid_nr(tsk), tsk->xid);
- do_group_exit(SIGKILL);
- return 0;
- }
-diff -NurpP --minimal linux-2.6.27.33/arch/cris/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/cris/Kconfig
---- linux-2.6.27.33/arch/cris/Kconfig 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/cris/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -679,6 +679,8 @@ source "drivers/usb/Kconfig"
+ dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp,
+diff -NurpP --minimal linux-3.18.5/arch/cris/Kconfig linux-3.18.5-vs2.3.7.3/arch/cris/Kconfig
+--- linux-3.18.5/arch/cris/Kconfig 2014-06-12 13:00:42.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/cris/Kconfig 2015-01-19 10:57:45.000000000 +0000
+@@ -556,6 +556,8 @@ source "fs/Kconfig"
source "arch/cris/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/frv/kernel/kernel_thread.S linux-2.6.27.33-vs2.3.0.36.6/arch/frv/kernel/kernel_thread.S
---- linux-2.6.27.33/arch/frv/kernel/kernel_thread.S 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/frv/kernel/kernel_thread.S 2008-10-13 14:54:20.000000000 +0200
-@@ -37,7 +37,7 @@ kernel_thread:
-
- # start by forking the current process, but with shared VM
- setlos.p #__NR_clone,gr7 ; syscall number
-- ori gr10,#CLONE_VM,gr8 ; first syscall arg [clone_flags]
-+ ori gr10,#CLONE_KT,gr8 ; first syscall arg [clone_flags]
- sethi.p #0xe4e4,gr9 ; second syscall arg [newsp]
- setlo #0xe4e4,gr9
- setlos.p #0,gr10 ; third syscall arg [parent_tidptr]
-diff -NurpP --minimal linux-2.6.27.33/arch/h8300/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/h8300/Kconfig
---- linux-2.6.27.33/arch/h8300/Kconfig 2008-10-13 14:51:55.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/h8300/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -219,6 +219,8 @@ source "fs/Kconfig"
-
- source "arch/h8300/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/ia64/ia32/ia32_entry.S linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/ia32/ia32_entry.S
---- linux-2.6.27.33/arch/ia64/ia32/ia32_entry.S 2009-09-13 16:16:49.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/ia32/ia32_entry.S 2009-02-03 17:59:04.000000000 +0100
-@@ -446,7 +446,7 @@ ia32_syscall_table:
- data8 sys_tgkill /* 270 */
- data8 compat_sys_utimes
- data8 sys32_fadvise64_64
-- data8 sys_ni_syscall
-+ data8 sys32_vserver
- data8 sys_ni_syscall
- data8 sys_ni_syscall /* 275 */
- data8 sys_ni_syscall
-diff -NurpP --minimal linux-2.6.27.33/arch/ia64/ia32/sys_ia32.c linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/ia32/sys_ia32.c
---- linux-2.6.27.33/arch/ia64/ia32/sys_ia32.c 2008-10-13 14:51:55.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/ia32/sys_ia32.c 2008-10-13 14:54:20.000000000 +0200
-@@ -1178,7 +1178,7 @@ sys32_gettimeofday (struct compat_timeva
- {
- if (tv) {
- struct timeval ktv;
-- do_gettimeofday(&ktv);
-+ vx_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
- return -EFAULT;
- }
-diff -NurpP --minimal linux-2.6.27.33/arch/ia64/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/Kconfig
---- linux-2.6.27.33/arch/ia64/Kconfig 2009-09-13 16:16:49.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/Kconfig 2009-03-25 14:32:29.000000000 +0100
-@@ -639,6 +639,8 @@ source "arch/ia64/hp/sim/Kconfig"
+diff -NurpP --minimal linux-3.18.5/arch/ia64/Kconfig linux-3.18.5-vs2.3.7.3/arch/ia64/Kconfig
+--- linux-3.18.5/arch/ia64/Kconfig 2015-01-16 22:18:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/ia64/Kconfig 2015-01-19 10:57:45.000000000 +0000
+@@ -636,6 +636,8 @@ source "fs/Kconfig"
source "arch/ia64/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/ia64/kernel/entry.S linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/entry.S
---- linux-2.6.27.33/arch/ia64/kernel/entry.S 2009-09-13 16:16:49.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/entry.S 2009-02-03 17:59:04.000000000 +0100
-@@ -1647,7 +1647,7 @@ sys_call_table:
+diff -NurpP --minimal linux-3.18.5/arch/ia64/kernel/entry.S linux-3.18.5-vs2.3.7.3/arch/ia64/kernel/entry.S
+--- linux-3.18.5/arch/ia64/kernel/entry.S 2015-01-17 02:39:35.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/ia64/kernel/entry.S 2015-01-19 10:57:45.000000000 +0000
+@@ -1706,7 +1706,7 @@ sys_call_table:
data8 sys_mq_notify
data8 sys_mq_getsetattr
data8 sys_kexec_load
data8 sys_waitid // 1270
data8 sys_add_key
data8 sys_request_key
-diff -NurpP --minimal linux-2.6.27.33/arch/ia64/kernel/perfmon.c linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/perfmon.c
---- linux-2.6.27.33/arch/ia64/kernel/perfmon.c 2008-10-13 14:51:55.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/perfmon.c 2008-10-13 14:54:20.000000000 +0200
-@@ -40,6 +40,7 @@
- #include <linux/capability.h>
- #include <linux/rcupdate.h>
- #include <linux/completion.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/errno.h>
- #include <asm/intrinsics.h>
-@@ -2376,7 +2377,7 @@ pfm_smpl_buffer_alloc(struct task_struct
- */
- insert_vm_struct(mm, vma);
-
-- mm->total_vm += size >> PAGE_SHIFT;
-+ vx_vmpages_add(mm, size >> PAGE_SHIFT);
- vm_stat_account(vma->vm_mm, vma->vm_flags, vma->vm_file,
- vma_pages(vma));
- up_write(&task->mm->mmap_sem);
-diff -NurpP --minimal linux-2.6.27.33/arch/ia64/kernel/process.c linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/process.c
---- linux-2.6.27.33/arch/ia64/kernel/process.c 2008-10-13 14:51:55.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/process.c 2008-10-13 14:54:20.000000000 +0200
-@@ -109,8 +109,8 @@ show_regs (struct pt_regs *regs)
- unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri;
-
- print_modules();
-- printk("\nPid: %d, CPU %d, comm: %20s\n", task_pid_nr(current),
-- smp_processor_id(), current->comm);
-+ printk("\nPid: %d[#%u], CPU %d, comm: %20s\n", task_pid_nr(current),
-+ current->xid, smp_processor_id(), current->comm);
- printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s (%s)\n",
- regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(),
- init_utsname()->release);
-diff -NurpP --minimal linux-2.6.27.33/arch/ia64/kernel/ptrace.c linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/ptrace.c
---- linux-2.6.27.33/arch/ia64/kernel/ptrace.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/ptrace.c 2008-10-13 14:54:20.000000000 +0200
-@@ -22,6 +22,7 @@
- #include <linux/signal.h>
+diff -NurpP --minimal linux-3.18.5/arch/ia64/kernel/ptrace.c linux-3.18.5-vs2.3.7.3/arch/ia64/kernel/ptrace.c
+--- linux-3.18.5/arch/ia64/kernel/ptrace.c 2015-01-17 02:39:35.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/ia64/kernel/ptrace.c 2015-01-19 10:57:45.000000000 +0000
+@@ -21,6 +21,7 @@
#include <linux/regset.h>
#include <linux/elf.h>
+ #include <linux/tracehook.h>
+#include <linux/vs_base.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
-diff -NurpP --minimal linux-2.6.27.33/arch/ia64/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/traps.c
---- linux-2.6.27.33/arch/ia64/kernel/traps.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/kernel/traps.c 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/arch/ia64/kernel/traps.c linux-3.18.5-vs2.3.7.3/arch/ia64/kernel/traps.c
+--- linux-3.18.5/arch/ia64/kernel/traps.c 2015-01-17 02:39:35.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/ia64/kernel/traps.c 2015-01-19 10:57:45.000000000 +0000
@@ -60,8 +60,9 @@ die (const char *str, struct pt_regs *re
put_cpu();
if (++die.lock_owner_depth < 3) {
- printk("%s[%d]: %s %ld [%d]\n",
- current->comm, task_pid_nr(current), str, err, ++die_counter);
-+ printk("%s[%d[#%u]]: %s %ld [%d]\n",
++ printk("%s[%d:#%u]: %s %ld [%d]\n",
+ current->comm, task_pid_nr(current), current->xid,
+ str, err, ++die_counter);
if (notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV)
printk(KERN_WARNING
- "%s(%d): floating-point assist fault at ip %016lx, isr %016lx\n",
- current->comm, task_pid_nr(current), regs->cr_iip + ia64_psr(regs)->ri, isr);
-+ "%s(%d[#%u]): floating-point assist fault at ip %016lx, isr %016lx\n",
++ "%s(%d:#%u): floating-point assist fault at ip %016lx, isr %016lx\n",
+ current->comm, task_pid_nr(current), current->xid,
+ regs->cr_iip + ia64_psr(regs)->ri, isr);
}
}
}
-diff -NurpP --minimal linux-2.6.27.33/arch/ia64/mm/fault.c linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/mm/fault.c
---- linux-2.6.27.33/arch/ia64/mm/fault.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/ia64/mm/fault.c 2008-10-13 14:54:20.000000000 +0200
-@@ -10,6 +10,7 @@
- #include <linux/interrupt.h>
- #include <linux/kprobes.h>
- #include <linux/kdebug.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/pgtable.h>
- #include <asm/processor.h>
-diff -NurpP --minimal linux-2.6.27.33/arch/m32r/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/m32r/kernel/traps.c
---- linux-2.6.27.33/arch/m32r/kernel/traps.c 2008-10-13 14:51:55.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/m32r/kernel/traps.c 2008-10-13 14:54:20.000000000 +0200
-@@ -196,8 +196,9 @@ static void show_registers(struct pt_reg
+diff -NurpP --minimal linux-3.18.5/arch/m32r/kernel/traps.c linux-3.18.5-vs2.3.7.3/arch/m32r/kernel/traps.c
+--- linux-3.18.5/arch/m32r/kernel/traps.c 2013-07-14 17:00:26.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/m32r/kernel/traps.c 2015-01-19 10:57:45.000000000 +0000
+@@ -184,8 +184,9 @@ static void show_registers(struct pt_reg
} else {
printk("SPI: %08lx\n", sp);
}
- printk("Process %s (pid: %d, process nr: %d, stackpage=%08lx)",
- current->comm, task_pid_nr(current), 0xffff & i, 4096+(unsigned long)current);
-+ printk("Process %s (pid: %d[#%u], process nr: %d, stackpage=%08lx)",
++ printk("Process %s (pid: %d:#%u, process nr: %d, stackpage=%08lx)",
+ current->comm, task_pid_nr(current), current->xid,
+ 0xffff & i, 4096+(unsigned long)current);
/*
* When in-kernel, we also print out the stack and code at the
-diff -NurpP --minimal linux-2.6.27.33/arch/m68k/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/m68k/Kconfig
---- linux-2.6.27.33/arch/m68k/Kconfig 2008-10-13 14:51:55.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/m68k/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -633,6 +633,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-3.18.5/arch/m68k/Kconfig linux-3.18.5-vs2.3.7.3/arch/m68k/Kconfig
+--- linux-3.18.5/arch/m68k/Kconfig 2014-06-12 13:00:43.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/m68k/Kconfig 2015-01-19 10:57:45.000000000 +0000
+@@ -159,6 +159,8 @@ source "fs/Kconfig"
source "arch/m68k/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/m68k/kernel/ptrace.c linux-2.6.27.33-vs2.3.0.36.6/arch/m68k/kernel/ptrace.c
---- linux-2.6.27.33/arch/m68k/kernel/ptrace.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/m68k/kernel/ptrace.c 2008-10-13 14:54:20.000000000 +0200
-@@ -18,6 +18,7 @@
- #include <linux/ptrace.h>
- #include <linux/user.h>
- #include <linux/signal.h>
-+#include <linux/vs_base.h>
-
- #include <asm/uaccess.h>
- #include <asm/page.h>
-@@ -269,6 +270,8 @@ long arch_ptrace(struct task_struct *chi
- ret = ptrace_request(child, request, addr, data);
- break;
- }
-+ if (!vx_check(vx_task_xid(child), VS_WATCH_P | VS_IDENT))
-+ goto out_tsk;
-
- return ret;
- out_eio:
-diff -NurpP --minimal linux-2.6.27.33/arch/m68k/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/m68k/kernel/traps.c
---- linux-2.6.27.33/arch/m68k/kernel/traps.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/m68k/kernel/traps.c 2008-10-13 14:54:20.000000000 +0200
-@@ -909,8 +909,8 @@ void show_registers(struct pt_regs *regs
- printk("d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n",
- regs->d4, regs->d5, regs->a0, regs->a1);
-
-- printk("Process %s (pid: %d, task=%p)\n",
-- current->comm, task_pid_nr(current), current);
-+ printk("Process %s (pid: %d[#%u], task=%p)\n",
-+ current->comm, task_pid_nr(current), current->xid, current);
- addr = (unsigned long)&fp->un;
- printk("Frame format=%X ", regs->format);
- switch (regs->format) {
-diff -NurpP --minimal linux-2.6.27.33/arch/m68knommu/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/m68knommu/Kconfig
---- linux-2.6.27.33/arch/m68knommu/Kconfig 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/m68knommu/Kconfig 2009-02-22 22:58:32.000000000 +0100
-@@ -744,6 +744,8 @@ source "fs/Kconfig"
-
- source "arch/m68knommu/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/m68knommu/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/m68knommu/kernel/traps.c
---- linux-2.6.27.33/arch/m68knommu/kernel/traps.c 2008-10-13 14:51:55.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/m68knommu/kernel/traps.c 2008-10-13 14:54:20.000000000 +0200
-@@ -79,8 +79,9 @@ void die_if_kernel(char *str, struct pt_
- printk(KERN_EMERG "d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n",
- fp->d4, fp->d5, fp->a0, fp->a1);
-
-- printk(KERN_EMERG "Process %s (pid: %d, stackpage=%08lx)\n",
-- current->comm, current->pid, PAGE_SIZE+(unsigned long)current);
-+ printk(KERN_EMERG "Process %s (pid: %d[#%u], stackpage=%08lx)\n",
-+ current->comm, task_pid_nr(current), current->xid,
-+ PAGE_SIZE+(unsigned long)current);
- show_stack(NULL, (unsigned long *)(fp + 1));
- add_taint(TAINT_DIE);
- do_exit(SIGSEGV);
-diff -NurpP --minimal linux-2.6.27.33/arch/mips/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/mips/Kconfig
---- linux-2.6.27.33/arch/mips/Kconfig 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/mips/Kconfig 2009-05-15 22:57:04.000000000 +0200
-@@ -2032,6 +2032,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-3.18.5/arch/mips/Kconfig linux-3.18.5-vs2.3.7.3/arch/mips/Kconfig
+--- linux-3.18.5/arch/mips/Kconfig 2015-01-17 02:39:35.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/mips/Kconfig 2015-01-19 10:57:45.000000000 +0000
+@@ -2712,6 +2712,8 @@ source "fs/Kconfig"
source "arch/mips/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/mips/kernel/linux32.c linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/linux32.c
---- linux-2.6.27.33/arch/mips/kernel/linux32.c 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/linux32.c 2009-05-15 22:57:04.000000000 +0200
-@@ -192,7 +192,7 @@ sys32_gettimeofday(struct compat_timeval
- {
- if (tv) {
- struct timeval ktv;
-- do_gettimeofday(&ktv);
-+ vx_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
- return -EFAULT;
- }
-diff -NurpP --minimal linux-2.6.27.33/arch/mips/kernel/ptrace.c linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/ptrace.c
---- linux-2.6.27.33/arch/mips/kernel/ptrace.c 2008-10-13 14:51:56.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/ptrace.c 2008-10-13 14:54:20.000000000 +0200
-@@ -25,6 +25,7 @@
- #include <linux/security.h>
+diff -NurpP --minimal linux-3.18.5/arch/mips/kernel/ptrace.c linux-3.18.5-vs2.3.7.3/arch/mips/kernel/ptrace.c
+--- linux-3.18.5/arch/mips/kernel/ptrace.c 2015-01-17 02:39:36.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/mips/kernel/ptrace.c 2015-01-19 10:57:45.000000000 +0000
+@@ -29,6 +29,7 @@
#include <linux/audit.h>
#include <linux/seccomp.h>
+ #include <linux/ftrace.h>
+#include <linux/vs_base.h>
#include <asm/byteorder.h>
#include <asm/cpu.h>
-@@ -171,6 +172,9 @@ long arch_ptrace(struct task_struct *chi
- {
- int ret;
+@@ -544,6 +545,9 @@ long arch_ptrace(struct task_struct *chi
+ void __user *datavp = (void __user *) data;
+ unsigned long __user *datalp = (void __user *) data;
+ if (!vx_check(vx_task_xid(child), VS_WATCH_P | VS_IDENT))
+ goto out;
switch (request) {
/* when I and D space are separate, these will need to be fixed. */
case PTRACE_PEEKTEXT: /* read word at location addr. */
-diff -NurpP --minimal linux-2.6.27.33/arch/mips/kernel/scall32-o32.S linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/scall32-o32.S
---- linux-2.6.27.33/arch/mips/kernel/scall32-o32.S 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/scall32-o32.S 2009-05-15 22:57:04.000000000 +0200
-@@ -600,7 +600,7 @@ einval: li v0, -EINVAL
- sys sys_mq_timedreceive 5
- sys sys_mq_notify 2 /* 4275 */
- sys sys_mq_getsetattr 3
-- sys sys_ni_syscall 0 /* sys_vserver */
-+ sys sys_vserver 3
- sys sys_waitid 5
- sys sys_ni_syscall 0 /* available, was setaltroot */
- sys sys_add_key 5 /* 4280 */
-diff -NurpP --minimal linux-2.6.27.33/arch/mips/kernel/scall64-64.S linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/scall64-64.S
---- linux-2.6.27.33/arch/mips/kernel/scall64-64.S 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/scall64-64.S 2009-05-15 22:57:04.000000000 +0200
-@@ -434,7 +434,7 @@ sys_call_table:
+diff -NurpP --minimal linux-3.18.5/arch/mips/kernel/scall32-o32.S linux-3.18.5-vs2.3.7.3/arch/mips/kernel/scall32-o32.S
+--- linux-3.18.5/arch/mips/kernel/scall32-o32.S 2015-01-17 02:39:36.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/mips/kernel/scall32-o32.S 2015-01-19 10:57:45.000000000 +0000
+@@ -501,7 +501,7 @@ EXPORT(sys_call_table)
+ PTR sys_mq_timedreceive
+ PTR sys_mq_notify /* 4275 */
+ PTR sys_mq_getsetattr
+- PTR sys_ni_syscall /* sys_vserver */
++ PTR sys_vserver
+ PTR sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key /* 4280 */
+diff -NurpP --minimal linux-3.18.5/arch/mips/kernel/scall64-64.S linux-3.18.5-vs2.3.7.3/arch/mips/kernel/scall64-64.S
+--- linux-3.18.5/arch/mips/kernel/scall64-64.S 2015-01-17 02:39:36.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/mips/kernel/scall64-64.S 2015-01-19 10:57:45.000000000 +0000
+@@ -355,7 +355,7 @@ EXPORT(sys_call_table)
PTR sys_mq_timedreceive
PTR sys_mq_notify
PTR sys_mq_getsetattr /* 5235 */
PTR sys_waitid
PTR sys_ni_syscall /* available, was setaltroot */
PTR sys_add_key
-diff -NurpP --minimal linux-2.6.27.33/arch/mips/kernel/scall64-n32.S linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/scall64-n32.S
---- linux-2.6.27.33/arch/mips/kernel/scall64-n32.S 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/scall64-n32.S 2009-05-15 22:57:04.000000000 +0200
-@@ -360,7 +360,7 @@ EXPORT(sysn32_call_table)
+diff -NurpP --minimal linux-3.18.5/arch/mips/kernel/scall64-n32.S linux-3.18.5-vs2.3.7.3/arch/mips/kernel/scall64-n32.S
+--- linux-3.18.5/arch/mips/kernel/scall64-n32.S 2015-01-17 02:39:36.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/mips/kernel/scall64-n32.S 2015-01-19 10:57:45.000000000 +0000
+@@ -348,7 +348,7 @@ EXPORT(sysn32_call_table)
PTR compat_sys_mq_timedreceive
PTR compat_sys_mq_notify
PTR compat_sys_mq_getsetattr
PTR compat_sys_waitid
PTR sys_ni_syscall /* available, was setaltroot */
PTR sys_add_key
-diff -NurpP --minimal linux-2.6.27.33/arch/mips/kernel/scall64-o32.S linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/scall64-o32.S
---- linux-2.6.27.33/arch/mips/kernel/scall64-o32.S 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/scall64-o32.S 2009-05-15 22:57:46.000000000 +0200
-@@ -482,7 +482,7 @@ sys_call_table:
+diff -NurpP --minimal linux-3.18.5/arch/mips/kernel/scall64-o32.S linux-3.18.5-vs2.3.7.3/arch/mips/kernel/scall64-o32.S
+--- linux-3.18.5/arch/mips/kernel/scall64-o32.S 2015-01-17 02:39:36.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/mips/kernel/scall64-o32.S 2015-01-19 10:57:45.000000000 +0000
+@@ -486,7 +486,7 @@ EXPORT(sys32_call_table)
PTR compat_sys_mq_timedreceive
PTR compat_sys_mq_notify /* 4275 */
PTR compat_sys_mq_getsetattr
- PTR sys_ni_syscall /* sys_vserver */
+ PTR sys32_vserver
- PTR sys_32_waitid
+ PTR compat_sys_waitid
PTR sys_ni_syscall /* available, was setaltroot */
PTR sys_add_key /* 4280 */
-diff -NurpP --minimal linux-2.6.27.33/arch/mips/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/traps.c
---- linux-2.6.27.33/arch/mips/kernel/traps.c 2008-10-13 14:51:56.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/mips/kernel/traps.c 2008-10-13 14:54:20.000000000 +0200
-@@ -328,9 +328,10 @@ void show_registers(const struct pt_regs
+diff -NurpP --minimal linux-3.18.5/arch/mips/kernel/traps.c linux-3.18.5-vs2.3.7.3/arch/mips/kernel/traps.c
+--- linux-3.18.5/arch/mips/kernel/traps.c 2015-01-16 22:18:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/mips/kernel/traps.c 2015-01-19 10:57:45.000000000 +0000
+@@ -341,9 +341,10 @@ void show_registers(struct pt_regs *regs
__show_regs(regs);
print_modules();
if (cpu_has_userlocal) {
unsigned long tls;
-diff -NurpP --minimal linux-2.6.27.33/arch/mips/mm/fault.c linux-2.6.27.33-vs2.3.0.36.6/arch/mips/mm/fault.c
---- linux-2.6.27.33/arch/mips/mm/fault.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/mips/mm/fault.c 2008-10-13 14:54:20.000000000 +0200
-@@ -178,7 +178,8 @@ out_of_memory:
- down_read(&mm->mmap_sem);
- goto survive;
- }
-- printk("VM: killing process %s\n", tsk->comm);
-+ printk("VM: killing process %s(%d:#%u)\n",
-+ tsk->comm, tsk->pid, tsk->xid);
- if (user_mode(regs))
- do_group_exit(SIGKILL);
- goto no_context;
-diff -NurpP --minimal linux-2.6.27.33/arch/parisc/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/Kconfig
---- linux-2.6.27.33/arch/parisc/Kconfig 2008-10-13 14:51:56.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -279,6 +279,8 @@ source "fs/Kconfig"
-
- source "arch/parisc/Kconfig.debug"
+diff -NurpP --minimal linux-3.18.5/arch/parisc/Kconfig linux-3.18.5-vs2.3.7.3/arch/parisc/Kconfig
+--- linux-3.18.5/arch/parisc/Kconfig 2015-01-16 22:18:21.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/parisc/Kconfig 2015-01-19 10:57:45.000000000 +0000
+@@ -337,6 +337,8 @@ config SECCOMP
+
+ If unsure, say Y. Only embedded should say N here.
+source "kernel/vserver/Kconfig"
+
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/parisc/kernel/syscall_table.S linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/kernel/syscall_table.S
---- linux-2.6.27.33/arch/parisc/kernel/syscall_table.S 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/kernel/syscall_table.S 2008-10-13 14:54:20.000000000 +0200
-@@ -361,7 +361,7 @@
+diff -NurpP --minimal linux-3.18.5/arch/parisc/kernel/syscall_table.S linux-3.18.5-vs2.3.7.3/arch/parisc/kernel/syscall_table.S
+--- linux-3.18.5/arch/parisc/kernel/syscall_table.S 2015-01-17 02:39:36.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/parisc/kernel/syscall_table.S 2015-01-19 10:57:45.000000000 +0000
+@@ -358,7 +358,7 @@
ENTRY_COMP(mbind) /* 260 */
ENTRY_COMP(get_mempolicy)
ENTRY_COMP(set_mempolicy)
ENTRY_SAME(add_key)
ENTRY_SAME(request_key) /* 265 */
ENTRY_SAME(keyctl)
-diff -NurpP --minimal linux-2.6.27.33/arch/parisc/kernel/sys_parisc32.c linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/kernel/sys_parisc32.c
---- linux-2.6.27.33/arch/parisc/kernel/sys_parisc32.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/kernel/sys_parisc32.c 2008-10-13 14:54:20.000000000 +0200
-@@ -203,11 +203,11 @@ static inline long get_ts32(struct times
- asmlinkage int
- sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
- {
-- extern void do_gettimeofday(struct timeval *tv);
-+ extern void vx_gettimeofday(struct timeval *tv);
-
- if (tv) {
- struct timeval ktv;
-- do_gettimeofday(&ktv);
-+ vx_gettimeofday(&ktv);
- if (put_compat_timeval(tv, &ktv))
- return -EFAULT;
- }
-diff -NurpP --minimal linux-2.6.27.33/arch/parisc/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/kernel/traps.c
---- linux-2.6.27.33/arch/parisc/kernel/traps.c 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/kernel/traps.c 2009-02-03 17:59:04.000000000 +0100
-@@ -236,8 +236,9 @@ void die_if_kernel(char *str, struct pt_
- if (err == 0)
+diff -NurpP --minimal linux-3.18.5/arch/parisc/kernel/traps.c linux-3.18.5-vs2.3.7.3/arch/parisc/kernel/traps.c
+--- linux-3.18.5/arch/parisc/kernel/traps.c 2014-06-12 13:01:26.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/parisc/kernel/traps.c 2015-01-19 10:57:45.000000000 +0000
+@@ -239,8 +239,9 @@ void die_if_kernel(char *str, struct pt_
return; /* STFU */
-- printk(KERN_CRIT "%s (pid %d): %s (code %ld) at " RFMT "\n",
+ parisc_printk_ratelimited(1, regs,
+- KERN_CRIT "%s (pid %d): %s (code %ld) at " RFMT "\n",
- current->comm, task_pid_nr(current), str, err, regs->iaoq[0]);
-+ printk(KERN_CRIT "%s (pid %d:#%u): %s (code %ld) at " RFMT "\n",
++ KERN_CRIT "%s (pid %d:#%u): %s (code %ld) at " RFMT "\n",
+ current->comm, task_pid_nr(current), current->xid,
+ str, err, regs->iaoq[0]);
- #ifdef PRINT_USER_FAULTS
- /* XXX for debugging only */
- show_regs(regs);
-@@ -269,8 +270,8 @@ KERN_CRIT " || |
+
+ return;
+ }
+@@ -270,8 +271,8 @@ void die_if_kernel(char *str, struct pt_
pdc_console_restart();
if (err)
/* Wot's wrong wif bein' racy? */
if (current->thread.flags & PARISC_KERNEL_DEATH) {
-diff -NurpP --minimal linux-2.6.27.33/arch/parisc/mm/fault.c linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/mm/fault.c
---- linux-2.6.27.33/arch/parisc/mm/fault.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/parisc/mm/fault.c 2008-10-13 14:54:20.000000000 +0200
-@@ -210,8 +210,9 @@ bad_area:
-
- #ifdef PRINT_USER_FAULTS
- printk(KERN_DEBUG "\n");
-- printk(KERN_DEBUG "do_page_fault() pid=%d command='%s' type=%lu address=0x%08lx\n",
-- task_pid_nr(tsk), tsk->comm, code, address);
-+ printk(KERN_DEBUG "do_page_fault() pid=%d:#%u "
-+ "command='%s' type=%lu address=0x%08lx\n",
-+ task_pid_nr(tsk), tsk->xid, tsk->comm, code, address);
- if (vma) {
- printk(KERN_DEBUG "vm_start = 0x%08lx, vm_end = 0x%08lx\n",
- vma->vm_start, vma->vm_end);
-@@ -261,7 +262,8 @@ no_context:
-
- out_of_memory:
- up_read(&mm->mmap_sem);
-- printk(KERN_CRIT "VM: killing process %s\n", current->comm);
-+ printk(KERN_CRIT "VM: killing process %s(%d:#%u)\n",
-+ current->comm, current->pid, current->xid);
- if (user_mode(regs))
- do_group_exit(SIGKILL);
- goto no_context;
-diff -NurpP --minimal linux-2.6.27.33/arch/powerpc/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/Kconfig
---- linux-2.6.27.33/arch/powerpc/Kconfig 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/Kconfig 2009-02-03 17:59:04.000000000 +0100
-@@ -836,6 +836,8 @@ source "lib/Kconfig"
+diff -NurpP --minimal linux-3.18.5/arch/powerpc/Kconfig linux-3.18.5-vs2.3.7.3/arch/powerpc/Kconfig
+--- linux-3.18.5/arch/powerpc/Kconfig 2015-01-17 02:39:36.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/powerpc/Kconfig 2015-01-19 10:57:46.000000000 +0000
+@@ -1068,6 +1068,8 @@ source "lib/Kconfig"
source "arch/powerpc/Kconfig.debug"
source "security/Kconfig"
config KEYS_COMPAT
-diff -NurpP --minimal linux-2.6.27.33/arch/powerpc/kernel/irq.c linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/irq.c
---- linux-2.6.27.33/arch/powerpc/kernel/irq.c 2008-10-13 14:51:56.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/irq.c 2008-10-13 14:54:20.000000000 +0200
-@@ -53,6 +53,7 @@
- #include <linux/bootmem.h>
- #include <linux/pci.h>
- #include <linux/debugfs.h>
-+#include <linux/vs_context.h>
-
- #include <asm/uaccess.h>
- #include <asm/system.h>
-diff -NurpP --minimal linux-2.6.27.33/arch/powerpc/kernel/process.c linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/process.c
---- linux-2.6.27.33/arch/powerpc/kernel/process.c 2008-10-13 14:51:56.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/process.c 2008-10-13 14:54:20.000000000 +0200
-@@ -513,8 +513,9 @@ void show_regs(struct pt_regs * regs)
- #else
- printk("DAR: "REG", DSISR: "REG"\n", regs->dar, regs->dsisr);
+diff -NurpP --minimal linux-3.18.5/arch/powerpc/include/uapi/asm/unistd.h linux-3.18.5-vs2.3.7.3/arch/powerpc/include/uapi/asm/unistd.h
+--- linux-3.18.5/arch/powerpc/include/uapi/asm/unistd.h 2015-01-17 02:39:36.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/powerpc/include/uapi/asm/unistd.h 2015-01-19 10:57:46.000000000 +0000
+@@ -275,7 +275,7 @@
#endif
-- printk("TASK = %p[%d] '%s' THREAD: %p",
-- current, task_pid_nr(current), current->comm, task_thread_info(current));
-+ printk("TASK = %p[%d,#%u] '%s' THREAD: %p",
-+ current, task_pid_nr(current), current->xid,
-+ current->comm, task_thread_info(current));
-
- #ifdef CONFIG_SMP
- printk(" CPU: %d", raw_smp_processor_id());
-diff -NurpP --minimal linux-2.6.27.33/arch/powerpc/kernel/sys_ppc32.c linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/sys_ppc32.c
---- linux-2.6.27.33/arch/powerpc/kernel/sys_ppc32.c 2008-10-13 14:51:56.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/sys_ppc32.c 2008-10-13 14:54:20.000000000 +0200
-@@ -147,7 +147,7 @@ asmlinkage long compat_sys_gettimeofday(
- {
- if (tv) {
- struct timeval ktv;
-- do_gettimeofday(&ktv);
-+ vx_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
- return -EFAULT;
- }
-diff -NurpP --minimal linux-2.6.27.33/arch/powerpc/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/traps.c
---- linux-2.6.27.33/arch/powerpc/kernel/traps.c 2008-10-13 14:51:56.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/traps.c 2008-10-13 14:54:20.000000000 +0200
-@@ -941,8 +941,9 @@ void nonrecoverable_exception(struct pt_
+ #define __NR_rtas 255
+ #define __NR_sys_debug_setcontext 256
+-/* Number 257 is reserved for vserver */
++#define __NR_vserver 257
+ #define __NR_migrate_pages 258
+ #define __NR_mbind 259
+ #define __NR_get_mempolicy 260
+diff -NurpP --minimal linux-3.18.5/arch/powerpc/kernel/traps.c linux-3.18.5-vs2.3.7.3/arch/powerpc/kernel/traps.c
+--- linux-3.18.5/arch/powerpc/kernel/traps.c 2015-01-16 22:18:21.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/powerpc/kernel/traps.c 2015-01-19 10:57:46.000000000 +0000
+@@ -1313,8 +1313,9 @@ void nonrecoverable_exception(struct pt_
void trace_syscall(struct pt_regs *regs)
{
- printk("Task: %p(%d), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
- current, task_pid_nr(current), regs->nip, regs->link, regs->gpr[0],
-+ printk("Task: %p(%d[#%u]), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
++ printk("Task: %p(%d:#%u), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
+ current, task_pid_nr(current), current->xid,
+ regs->nip, regs->link, regs->gpr[0],
regs->ccr&0x10000000?"Error=":"", regs->gpr[3], print_tainted());
}
-diff -NurpP --minimal linux-2.6.27.33/arch/powerpc/kernel/vdso.c linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/vdso.c
---- linux-2.6.27.33/arch/powerpc/kernel/vdso.c 2008-10-13 14:51:56.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/kernel/vdso.c 2008-10-13 14:54:20.000000000 +0200
-@@ -22,6 +22,7 @@
- #include <linux/security.h>
- #include <linux/bootmem.h>
- #include <linux/lmb.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/pgtable.h>
- #include <asm/system.h>
-diff -NurpP --minimal linux-2.6.27.33/arch/powerpc/mm/fault.c linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/mm/fault.c
---- linux-2.6.27.33/arch/powerpc/mm/fault.c 2008-10-13 14:51:56.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/powerpc/mm/fault.c 2008-10-13 14:54:20.000000000 +0200
-@@ -354,7 +354,8 @@ out_of_memory:
- down_read(&mm->mmap_sem);
- goto survive;
- }
-- printk("VM: killing process %s\n", current->comm);
-+ printk("VM: killing process %s(%d:#%u)\n",
-+ current->comm, current->pid, current->xid);
- if (user_mode(regs))
- do_group_exit(SIGKILL);
- return SIGKILL;
-diff -NurpP --minimal linux-2.6.27.33/arch/s390/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/s390/Kconfig
---- linux-2.6.27.33/arch/s390/Kconfig 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/s390/Kconfig 2009-02-03 17:59:04.000000000 +0100
-@@ -588,6 +588,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-3.18.5/arch/s390/Kconfig linux-3.18.5-vs2.3.7.3/arch/s390/Kconfig
+--- linux-3.18.5/arch/s390/Kconfig 2015-01-17 02:39:40.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/s390/Kconfig 2015-01-19 10:57:46.000000000 +0000
+@@ -652,6 +652,8 @@ source "fs/Kconfig"
source "arch/s390/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/s390/kernel/compat_linux.c linux-2.6.27.33-vs2.3.0.36.6/arch/s390/kernel/compat_linux.c
---- linux-2.6.27.33/arch/s390/kernel/compat_linux.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/s390/kernel/compat_linux.c 2008-10-13 14:54:20.000000000 +0200
-@@ -566,7 +566,7 @@ asmlinkage long sys32_gettimeofday(struc
- {
- if (tv) {
- struct timeval ktv;
-- do_gettimeofday(&ktv);
-+ vx_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
- return -EFAULT;
- }
-diff -NurpP --minimal linux-2.6.27.33/arch/s390/kernel/ptrace.c linux-2.6.27.33-vs2.3.0.36.6/arch/s390/kernel/ptrace.c
---- linux-2.6.27.33/arch/s390/kernel/ptrace.c 2008-10-13 14:51:57.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/s390/kernel/ptrace.c 2008-10-13 14:54:20.000000000 +0200
-@@ -35,6 +35,7 @@
- #include <linux/signal.h>
- #include <linux/elf.h>
- #include <linux/regset.h>
-+#include <linux/vs_base.h>
-
- #include <asm/segment.h>
- #include <asm/page.h>
-diff -NurpP --minimal linux-2.6.27.33/arch/s390/kernel/syscalls.S linux-2.6.27.33-vs2.3.0.36.6/arch/s390/kernel/syscalls.S
---- linux-2.6.27.33/arch/s390/kernel/syscalls.S 2009-09-13 16:16:50.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/s390/kernel/syscalls.S 2009-02-03 17:59:04.000000000 +0100
-@@ -271,7 +271,7 @@ SYSCALL(sys_clock_settime,sys_clock_sett
- SYSCALL(sys_clock_gettime,sys_clock_gettime,sys32_clock_gettime_wrapper) /* 260 */
- SYSCALL(sys_clock_getres,sys_clock_getres,sys32_clock_getres_wrapper)
- SYSCALL(sys_clock_nanosleep,sys_clock_nanosleep,sys32_clock_nanosleep_wrapper)
--NI_SYSCALL /* reserved for vserver */
+diff -NurpP --minimal linux-3.18.5/arch/s390/include/asm/tlb.h linux-3.18.5-vs2.3.7.3/arch/s390/include/asm/tlb.h
+--- linux-3.18.5/arch/s390/include/asm/tlb.h 2015-01-17 02:39:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/s390/include/asm/tlb.h 2015-01-19 10:57:46.000000000 +0000
+@@ -24,6 +24,7 @@
+ #include <linux/mm.h>
+ #include <linux/pagemap.h>
+ #include <linux/swap.h>
++
+ #include <asm/processor.h>
+ #include <asm/pgalloc.h>
+ #include <asm/tlbflush.h>
+diff -NurpP --minimal linux-3.18.5/arch/s390/include/uapi/asm/unistd.h linux-3.18.5-vs2.3.7.3/arch/s390/include/uapi/asm/unistd.h
+--- linux-3.18.5/arch/s390/include/uapi/asm/unistd.h 2015-01-17 02:39:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/s390/include/uapi/asm/unistd.h 2015-01-19 10:57:46.000000000 +0000
+@@ -200,7 +200,7 @@
+ #define __NR_clock_gettime (__NR_timer_create+6)
+ #define __NR_clock_getres (__NR_timer_create+7)
+ #define __NR_clock_nanosleep (__NR_timer_create+8)
+-/* Number 263 is reserved for vserver */
++#define __NR_vserver 263
+ #define __NR_statfs64 265
+ #define __NR_fstatfs64 266
+ #define __NR_remap_file_pages 267
+diff -NurpP --minimal linux-3.18.5/arch/s390/kernel/ptrace.c linux-3.18.5-vs2.3.7.3/arch/s390/kernel/ptrace.c
+--- linux-3.18.5/arch/s390/kernel/ptrace.c 2015-01-17 02:39:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/s390/kernel/ptrace.c 2015-01-19 10:57:46.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/tracehook.h>
+ #include <linux/seccomp.h>
+ #include <linux/compat.h>
++#include <linux/vs_base.h>
+ #include <trace/syscall.h>
+ #include <asm/segment.h>
+ #include <asm/page.h>
+diff -NurpP --minimal linux-3.18.5/arch/s390/kernel/syscalls.S linux-3.18.5-vs2.3.7.3/arch/s390/kernel/syscalls.S
+--- linux-3.18.5/arch/s390/kernel/syscalls.S 2015-01-17 02:39:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/s390/kernel/syscalls.S 2015-01-19 11:00:51.000000000 +0000
+@@ -271,7 +271,7 @@ SYSCALL(sys_clock_settime,sys_clock_sett
+ SYSCALL(sys_clock_gettime,sys_clock_gettime,compat_sys_clock_gettime) /* 260 */
+ SYSCALL(sys_clock_getres,sys_clock_getres,compat_sys_clock_getres)
+ SYSCALL(sys_clock_nanosleep,sys_clock_nanosleep,compat_sys_clock_nanosleep)
+-NI_SYSCALL /* reserved for vserver */
+SYSCALL(sys_vserver,sys_vserver,sys32_vserver)
- SYSCALL(sys_s390_fadvise64_64,sys_ni_syscall,sys32_fadvise64_64_wrapper)
- SYSCALL(sys_statfs64,sys_statfs64,compat_sys_statfs64_wrapper)
- SYSCALL(sys_fstatfs64,sys_fstatfs64,compat_sys_fstatfs64_wrapper)
-diff -NurpP --minimal linux-2.6.27.33/arch/s390/mm/fault.c linux-2.6.27.33-vs2.3.0.36.6/arch/s390/mm/fault.c
---- linux-2.6.27.33/arch/s390/mm/fault.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/s390/mm/fault.c 2008-10-13 14:54:20.000000000 +0200
-@@ -216,7 +216,8 @@ static int do_out_of_memory(struct pt_re
- down_read(&mm->mmap_sem);
- return 1;
- }
-- printk("VM: killing process %s\n", tsk->comm);
-+ printk("VM: killing process %s(%d:#%u)\n",
-+ tsk->comm, tsk->pid, tsk->xid);
- if (regs->psw.mask & PSW_MASK_PSTATE)
- do_group_exit(SIGKILL);
- do_no_context(regs, error_code, address);
-diff -NurpP --minimal linux-2.6.27.33/arch/sh/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/sh/Kconfig
---- linux-2.6.27.33/arch/sh/Kconfig 2008-10-13 14:51:57.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sh/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -747,6 +747,8 @@ source "fs/Kconfig"
+ SYSCALL(sys_s390_fadvise64_64,sys_ni_syscall,compat_sys_s390_fadvise64_64)
+ SYSCALL(sys_statfs64,sys_statfs64,compat_sys_statfs64)
+ SYSCALL(sys_fstatfs64,sys_fstatfs64,compat_sys_fstatfs64)
+diff -NurpP --minimal linux-3.18.5/arch/sh/Kconfig linux-3.18.5-vs2.3.7.3/arch/sh/Kconfig
+--- linux-3.18.5/arch/sh/Kconfig 2015-01-16 22:18:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/sh/Kconfig 2015-01-19 10:57:46.000000000 +0000
+@@ -878,6 +878,8 @@ source "fs/Kconfig"
source "arch/sh/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/sh/kernel/irq.c linux-2.6.27.33-vs2.3.0.36.6/arch/sh/kernel/irq.c
---- linux-2.6.27.33/arch/sh/kernel/irq.c 2008-10-13 14:51:57.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sh/kernel/irq.c 2008-10-13 14:54:20.000000000 +0200
-@@ -11,6 +11,7 @@
- #include <linux/module.h>
- #include <linux/kernel_stat.h>
- #include <linux/seq_file.h>
-+#include <linux/vs_context.h>
+diff -NurpP --minimal linux-3.18.5/arch/sh/kernel/irq.c linux-3.18.5-vs2.3.7.3/arch/sh/kernel/irq.c
+--- linux-3.18.5/arch/sh/kernel/irq.c 2014-06-12 13:01:29.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/sh/kernel/irq.c 2015-01-19 10:57:46.000000000 +0000
+@@ -14,6 +14,7 @@
+ #include <linux/ftrace.h>
+ #include <linux/delay.h>
+ #include <linux/ratelimit.h>
++// #include <linux/vs_context.h>
#include <asm/processor.h>
#include <asm/machvec.h>
#include <asm/uaccess.h>
-diff -NurpP --minimal linux-2.6.27.33/arch/sh/kernel/vsyscall/vsyscall.c linux-2.6.27.33-vs2.3.0.36.6/arch/sh/kernel/vsyscall/vsyscall.c
---- linux-2.6.27.33/arch/sh/kernel/vsyscall/vsyscall.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sh/kernel/vsyscall/vsyscall.c 2008-10-13 14:54:20.000000000 +0200
-@@ -19,6 +19,7 @@
- #include <linux/elf.h>
- #include <linux/sched.h>
- #include <linux/err.h>
-+#include <linux/vs_memory.h>
-
- /*
- * Should the kernel map a VDSO page into processes and pass its
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/Kconfig
---- linux-2.6.27.33/arch/sparc/Kconfig 2008-10-13 14:51:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -305,6 +305,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-3.18.5/arch/sparc/Kconfig linux-3.18.5-vs2.3.7.3/arch/sparc/Kconfig
+--- linux-3.18.5/arch/sparc/Kconfig 2015-01-17 02:39:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/sparc/Kconfig 2015-01-19 10:57:46.000000000 +0000
+@@ -557,6 +557,8 @@ source "fs/Kconfig"
source "arch/sparc/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc/kernel/ptrace.c linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/kernel/ptrace.c
---- linux-2.6.27.33/arch/sparc/kernel/ptrace.c 2008-10-13 14:51:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/kernel/ptrace.c 2008-10-13 14:54:20.000000000 +0200
-@@ -22,6 +22,7 @@
- #include <linux/regset.h>
- #include <linux/elf.h>
- #include <linux/tracehook.h>
-+#include <linux/vs_base.h>
-
- #include <asm/pgtable.h>
- #include <asm/system.h>
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc/kernel/systbls.S linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/kernel/systbls.S
---- linux-2.6.27.33/arch/sparc/kernel/systbls.S 2009-09-13 16:16:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/kernel/systbls.S 2009-02-03 17:59:04.000000000 +0100
+diff -NurpP --minimal linux-3.18.5/arch/sparc/include/uapi/asm/unistd.h linux-3.18.5-vs2.3.7.3/arch/sparc/include/uapi/asm/unistd.h
+--- linux-3.18.5/arch/sparc/include/uapi/asm/unistd.h 2015-01-17 02:39:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/sparc/include/uapi/asm/unistd.h 2015-01-19 10:57:46.000000000 +0000
+@@ -332,7 +332,7 @@
+ #define __NR_timer_getoverrun 264
+ #define __NR_timer_delete 265
+ #define __NR_timer_create 266
+-/* #define __NR_vserver 267 Reserved for VSERVER */
++#define __NR_vserver 267
+ #define __NR_io_setup 268
+ #define __NR_io_destroy 269
+ #define __NR_io_submit 270
+diff -NurpP --minimal linux-3.18.5/arch/sparc/kernel/systbls_32.S linux-3.18.5-vs2.3.7.3/arch/sparc/kernel/systbls_32.S
+--- linux-3.18.5/arch/sparc/kernel/systbls_32.S 2015-01-17 02:39:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/sparc/kernel/systbls_32.S 2015-01-19 10:57:46.000000000 +0000
@@ -70,7 +70,7 @@ sys_call_table:
- /*250*/ .long sparc_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
+ /*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_ni_syscall
/*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
/*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
-/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy
/*270*/ .long sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
/*275*/ .long sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
/*280*/ .long sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/kernel/traps.c
---- linux-2.6.27.33/arch/sparc/kernel/traps.c 2008-10-13 14:51:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/kernel/traps.c 2008-10-13 14:54:20.000000000 +0200
-@@ -95,7 +95,8 @@ void die_if_kernel(char *str, struct pt_
- " /_| \\__/ |_\\\n"
- " \\__U_/\n");
-
-- printk("%s(%d): %s [#%d]\n", current->comm, task_pid_nr(current), str, ++die_counter);
-+ printk("%s(%d[#%u]): %s [#%d]\n", current->comm,
-+ task_pid_nr(current), current->xid, str, ++die_counter);
- show_regs(regs);
- add_taint(TAINT_DIE);
-
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc/mm/fault.c linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/mm/fault.c
---- linux-2.6.27.33/arch/sparc/mm/fault.c 2008-10-13 14:51:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc/mm/fault.c 2008-10-13 14:54:20.000000000 +0200
-@@ -318,7 +318,8 @@ no_context:
- */
- out_of_memory:
- up_read(&mm->mmap_sem);
-- printk("VM: killing process %s\n", tsk->comm);
-+ printk("VM: killing process %s(%d:#%u)\n",
-+ tsk->comm, tsk->pid, tsk->xid);
- if (from_user)
- do_group_exit(SIGKILL);
- goto no_context;
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc64/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/Kconfig
---- linux-2.6.27.33/arch/sparc64/Kconfig 2009-09-13 16:16:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/Kconfig 2009-02-22 22:58:32.000000000 +0100
-@@ -404,6 +404,8 @@ source "fs/Kconfig"
-
- source "arch/sparc64/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc64/kernel/ptrace.c linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/kernel/ptrace.c
---- linux-2.6.27.33/arch/sparc64/kernel/ptrace.c 2009-09-13 16:16:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/kernel/ptrace.c 2009-02-03 17:59:04.000000000 +0100
-@@ -26,6 +26,7 @@
- #include <linux/tracehook.h>
- #include <linux/compat.h>
- #include <linux/elf.h>
-+#include <linux/vs_base.h>
-
- #include <asm/asi.h>
- #include <asm/pgtable.h>
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc64/kernel/sys_sparc32.c linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/kernel/sys_sparc32.c
---- linux-2.6.27.33/arch/sparc64/kernel/sys_sparc32.c 2008-10-13 14:51:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/kernel/sys_sparc32.c 2008-10-13 14:54:20.000000000 +0200
-@@ -532,7 +532,7 @@ asmlinkage long sys32_gettimeofday(struc
- {
- if (tv) {
- struct timeval ktv;
-- do_gettimeofday(&ktv);
-+ vx_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
- return -EFAULT;
- }
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc64/kernel/systbls.S linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/kernel/systbls.S
---- linux-2.6.27.33/arch/sparc64/kernel/systbls.S 2009-09-13 16:16:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/kernel/systbls.S 2009-02-22 22:58:32.000000000 +0100
+diff -NurpP --minimal linux-3.18.5/arch/sparc/kernel/systbls_64.S linux-3.18.5-vs2.3.7.3/arch/sparc/kernel/systbls_64.S
+--- linux-3.18.5/arch/sparc/kernel/systbls_64.S 2015-01-17 02:39:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/sparc/kernel/systbls_64.S 2015-01-19 10:57:46.000000000 +0000
@@ -71,7 +71,7 @@ sys_call_table32:
- /*250*/ .word sys32_mremap, sys32_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl
+ /*250*/ .word sys_mremap, compat_sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall
.word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep
/*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun
- .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
+ .word sys_timer_delete, compat_sys_timer_create, sys32_vserver, compat_sys_io_setup, sys_io_destroy
/*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
.word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
- /*280*/ .word sys32_tee, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat
-@@ -145,7 +145,7 @@ sys_call_table:
- /*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
+ /*280*/ .word sys_tee, sys_add_key, sys_request_key, compat_sys_keyctl, compat_sys_openat
+@@ -150,7 +150,7 @@ sys_call_table:
+ /*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall
.word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
/*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
- .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
/*270*/ .word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
.word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
/*280*/ .word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc64/kernel/traps.c linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/kernel/traps.c
---- linux-2.6.27.33/arch/sparc64/kernel/traps.c 2009-09-13 16:16:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/kernel/traps.c 2009-03-25 14:32:29.000000000 +0100
-@@ -2201,7 +2201,8 @@ void die_if_kernel(char *str, struct pt_
- " /_| \\__/ |_\\\n"
- " \\__U_/\n");
-
-- printk("%s(%d): %s [#%d]\n", current->comm, task_pid_nr(current), str, ++die_counter);
-+ printk("%s(%d[#%u]): %s [#%d]\n", current->comm,
-+ task_pid_nr(current), current->xid, str, ++die_counter);
- notify_die(DIE_OOPS, str, regs, 0, 255, SIGSEGV);
- __asm__ __volatile__("flushw");
- show_regs(regs);
-diff -NurpP --minimal linux-2.6.27.33/arch/sparc64/mm/fault.c linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/mm/fault.c
---- linux-2.6.27.33/arch/sparc64/mm/fault.c 2008-10-13 14:51:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/sparc64/mm/fault.c 2008-10-13 14:54:20.000000000 +0200
-@@ -452,7 +452,8 @@ handle_kernel_fault:
- out_of_memory:
- insn = get_fault_insn(regs, insn);
- up_read(&mm->mmap_sem);
-- printk("VM: killing process %s\n", current->comm);
-+ printk("VM: killing process %s(%d:#%u)\n",
-+ current->comm, current->pid, current->xid);
- if (!(regs->tstate & TSTATE_PRIV))
- do_group_exit(SIGKILL);
- goto handle_kernel_fault;
-diff -NurpP --minimal linux-2.6.27.33/arch/um/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/um/Kconfig
---- linux-2.6.27.33/arch/um/Kconfig 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/um/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -245,6 +245,8 @@ source "drivers/connector/Kconfig"
+diff -NurpP --minimal linux-3.18.5/arch/um/Kconfig.rest linux-3.18.5-vs2.3.7.3/arch/um/Kconfig.rest
+--- linux-3.18.5/arch/um/Kconfig.rest 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/um/Kconfig.rest 2015-01-19 10:57:46.000000000 +0000
+@@ -12,6 +12,8 @@ source "arch/um/Kconfig.net"
source "fs/Kconfig"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/um/kernel/trap.c linux-2.6.27.33-vs2.3.0.36.6/arch/um/kernel/trap.c
---- linux-2.6.27.33/arch/um/kernel/trap.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/um/kernel/trap.c 2008-10-13 14:54:20.000000000 +0200
-@@ -215,7 +215,8 @@ unsigned long segv(struct faultinfo fi,
- current->thread.arch.faultinfo = fi;
- force_sig_info(SIGBUS, &si, current);
- } else if (err == -ENOMEM) {
-- printk(KERN_INFO "VM: killing process %s\n", current->comm);
-+ printk(KERN_INFO "VM: killing process %s(%d:#%u)\n",
-+ current->comm, task_pid_nr(current), current->xid);
- do_exit(SIGKILL);
- } else {
- BUG_ON(err != -EFAULT);
-diff -NurpP --minimal linux-2.6.27.33/arch/x86/ia32/ia32entry.S linux-2.6.27.33-vs2.3.0.36.6/arch/x86/ia32/ia32entry.S
---- linux-2.6.27.33/arch/x86/ia32/ia32entry.S 2009-09-13 16:16:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/x86/ia32/ia32entry.S 2009-03-25 14:32:29.000000000 +0100
-@@ -774,7 +774,7 @@ ia32_sys_call_table:
- .quad sys_tgkill /* 270 */
- .quad compat_sys_utimes
- .quad sys32_fadvise64_64
-- .quad quiet_ni_syscall /* sys_vserver */
-+ .quad sys32_vserver
- .quad sys_mbind
- .quad compat_sys_get_mempolicy /* 275 */
- .quad sys_set_mempolicy
-diff -NurpP --minimal linux-2.6.27.33/arch/x86/Kconfig linux-2.6.27.33-vs2.3.0.36.6/arch/x86/Kconfig
---- linux-2.6.27.33/arch/x86/Kconfig 2009-09-13 16:16:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/x86/Kconfig 2009-02-22 22:58:32.000000000 +0100
-@@ -1811,6 +1811,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-3.18.5/arch/x86/Kconfig linux-3.18.5-vs2.3.7.3/arch/x86/Kconfig
+--- linux-3.18.5/arch/x86/Kconfig 2015-02-05 18:02:39.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/x86/Kconfig 2015-02-05 18:08:00.000000000 +0000
+@@ -2506,6 +2506,8 @@ source "fs/Kconfig"
source "arch/x86/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.27.33/arch/x86/kernel/syscall_table_32.S linux-2.6.27.33-vs2.3.0.36.6/arch/x86/kernel/syscall_table_32.S
---- linux-2.6.27.33/arch/x86/kernel/syscall_table_32.S 2009-09-13 16:16:51.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/arch/x86/kernel/syscall_table_32.S 2009-02-03 17:59:04.000000000 +0100
-@@ -272,7 +272,7 @@ ENTRY(sys_call_table)
- .long sys_tgkill /* 270 */
- .long sys_utimes
- .long sys_fadvise64_64
-- .long sys_ni_syscall /* sys_vserver */
-+ .long sys_vserver
- .long sys_mbind
- .long sys_get_mempolicy
- .long sys_set_mempolicy
-diff -NurpP --minimal linux-2.6.27.33/Documentation/vserver/debug.txt linux-2.6.27.33-vs2.3.0.36.6/Documentation/vserver/debug.txt
---- linux-2.6.27.33/Documentation/vserver/debug.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/Documentation/vserver/debug.txt 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,154 @@
-+
-+debug_cvirt:
-+
-+ 2 4 "vx_map_tgid: %p/%llx: %d -> %d"
-+ "vx_rmap_tgid: %p/%llx: %d -> %d"
-+
-+debug_dlim:
-+
-+ 0 1 "ALLOC (%p,#%d)%c inode (%d)"
-+ "FREE (%p,#%d)%c inode"
-+ 1 2 "ALLOC (%p,#%d)%c %lld bytes (%d)"
-+ "FREE (%p,#%d)%c %lld bytes"
-+ 2 4 "ADJUST: %lld,%lld on %ld,%ld [mult=%d]"
-+ 3 8 "ext3_has_free_blocks(%p): %lu<%lu+1, %c, %u!=%u r=%d"
-+ "ext3_has_free_blocks(%p): free=%lu, root=%lu"
-+ "rcu_free_dl_info(%p)"
-+ 4 10 "alloc_dl_info(%p,%d) = %p"
-+ "dealloc_dl_info(%p)"
-+ "get_dl_info(%p[#%d.%d])"
-+ "put_dl_info(%p[#%d.%d])"
-+ 5 20 "alloc_dl_info(%p,%d)*"
-+ 6 40 "__hash_dl_info: %p[#%d]"
-+ "__unhash_dl_info: %p[#%d]"
-+ 7 80 "locate_dl_info(%p,#%d) = %p"
-+
-+debug_misc:
-+
-+ 0 1 "destroy_dqhash: %p [#0x%08x] c=%d"
-+ "new_dqhash: %p [#0x%08x]"
-+ "vroot[%d]_clr_dev: dev=%p[%lu,%d:%d]"
-+ "vroot[%d]_get_real_bdev: dev=%p[%lu,%d:%d]"
-+ "vroot[%d]_set_dev: dev=%p[%lu,%d:%d]"
-+ "vroot_get_real_bdev not set"
-+ 1 2 "cow_break_link(»%s«)"
-+ "temp copy »%s«"
-+ 2 4 "dentry_open(new): %p"
-+ "dentry_open(old): %p"
-+ "lookup_create(new): %p"
-+ "old path »%s«"
-+ "path_lookup(old): %d"
-+ "vfs_create(new): %d"
-+ "vfs_rename: %d"
-+ "vfs_sendfile: %d"
-+ 3 8 "fput(new_file=%p[#%d])"
-+ "fput(old_file=%p[#%d])"
-+ 4 10 "vx_info_kill(%p[#%d],%d,%d) = %d"
-+ "vx_info_kill(%p[#%d],%d,%d)*"
-+ 5 20 "vs_reboot(%p[#%d],%d)"
-+ 6 40 "dropping task %p[#%u,%u] for %p[#%u,%u]"
-+
-+debug_net:
-+
-+ 2 4 "nx_addr_conflict(%p,%p) %d.%d,%d.%d"
-+ 3 8 "inet_bind(%p) %d.%d.%d.%d, %d.%d.%d.%d, %d.%d.%d.%d"
-+ "inet_bind(%p)* %p,%p;%lx %d.%d.%d.%d"
-+ 4 10 "ip_route_connect(%p) %p,%p;%lx"
-+ 5 20 "__addr_in_socket(%p,%d.%d.%d.%d) %p:%d.%d.%d.%d %p;%lx"
-+ 6 40 "sk,egf: %p [#%d] (from %d)"
-+ "sk,egn: %p [#%d] (from %d)"
-+ "sk,req: %p [#%d] (from %d)"
-+ "sk: %p [#%d] (from %d)"
-+ "tw: %p [#%d] (from %d)"
-+ 7 80 "__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d"
-+ "__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d"
-+
-+debug_nid:
-+
-+ 0 1 "__lookup_nx_info(#%u): %p[#%u]"
-+ "alloc_nx_info(%d) = %p"
-+ "create_nx_info(%d) (dynamic rejected)"
-+ "create_nx_info(%d) = %p (already there)"
-+ "create_nx_info(%d) = %p (new)"
-+ "dealloc_nx_info(%p)"
-+ 1 2 "alloc_nx_info(%d)*"
-+ "create_nx_info(%d)*"
-+ 2 4 "get_nx_info(%p[#%d.%d])"
-+ "put_nx_info(%p[#%d.%d])"
-+ 3 8 "claim_nx_info(%p[#%d.%d.%d]) %p"
-+ "clr_nx_info(%p[#%d.%d])"
-+ "init_nx_info(%p[#%d.%d])"
-+ "release_nx_info(%p[#%d.%d.%d]) %p"
-+ "set_nx_info(%p[#%d.%d])"
-+ 4 10 "__hash_nx_info: %p[#%d]"
-+ "__nx_dynamic_id: [#%d]"
-+ "__unhash_nx_info: %p[#%d.%d.%d]"
-+ 5 20 "moved task %p into nxi:%p[#%d]"
-+ "nx_migrate_task(%p,%p[#%d.%d.%d])"
-+ "task_get_nx_info(%p)"
-+ 6 40 "nx_clear_persistent(%p[#%d])"
-+
-+debug_quota:
-+
-+ 0 1 "quota_sync_dqh(%p,%d) discard inode %p"
-+ 1 2 "quota_sync_dqh(%p,%d)"
-+ "sync_dquots(%p,%d)"
-+ "sync_dquots_dqh(%p,%d)"
-+ 3 8 "do_quotactl(%p,%d,cmd=%d,id=%d,%p)"
-+
-+debug_switch:
-+
-+ 0 1 "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]"
-+ 1 2 "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]"
-+ 4 10 "%s: (%s %s) returned %s with %d"
-+
-+debug_tag:
-+
-+ 7 80 "dx_parse_tag(»%s«): %d:#%d"
-+ "dx_propagate_tag(%p[#%lu.%d]): %d,%d"
-+
-+debug_xid:
-+
-+ 0 1 "__lookup_vx_info(#%u): %p[#%u]"
-+ "alloc_vx_info(%d) = %p"
-+ "alloc_vx_info(%d)*"
-+ "create_vx_info(%d) (dynamic rejected)"
-+ "create_vx_info(%d) = %p (already there)"
-+ "create_vx_info(%d) = %p (new)"
-+ "dealloc_vx_info(%p)"
-+ "loc_vx_info(%d) = %p (found)"
-+ "loc_vx_info(%d) = %p (new)"
-+ "loc_vx_info(%d) = %p (not available)"
-+ 1 2 "create_vx_info(%d)*"
-+ "loc_vx_info(%d)*"
-+ 2 4 "get_vx_info(%p[#%d.%d])"
-+ "put_vx_info(%p[#%d.%d])"
-+ 3 8 "claim_vx_info(%p[#%d.%d.%d]) %p"
-+ "clr_vx_info(%p[#%d.%d])"
-+ "init_vx_info(%p[#%d.%d])"
-+ "release_vx_info(%p[#%d.%d.%d]) %p"
-+ "set_vx_info(%p[#%d.%d])"
-+ 4 10 "__hash_vx_info: %p[#%d]"
-+ "__unhash_vx_info: %p[#%d.%d.%d]"
-+ "__vx_dynamic_id: [#%d]"
-+ 5 20 "enter_vx_info(%p[#%d],%p) %p[#%d,%p]"
-+ "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]"
-+ "moved task %p into vxi:%p[#%d]"
-+ "task_get_vx_info(%p)"
-+ "vx_migrate_task(%p,%p[#%d.%d])"
-+ 6 40 "vx_clear_persistent(%p[#%d])"
-+ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])"
-+ "vx_set_init(%p[#%d],%p[#%d,%d,%d])"
-+ "vx_set_persistent(%p[#%d])"
-+ "vx_set_reaper(%p[#%d],%p[#%d,%d])"
-+ 7 80 "vx_child_reaper(%p[#%u,%u]) = %p[#%u,%u]"
-+
-+
-+debug_limit:
-+
-+ n 2^n "vx_acc_cres[%5d,%s,%2d]: %5d%s"
-+ "vx_cres_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
-+
-+ m 2^m "vx_acc_page[%5d,%s,%2d]: %5d%s"
-+ "vx_acc_pages[%5d,%s,%2d]: %5d += %5d"
-+ "vx_pages_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
-diff -NurpP --minimal linux-2.6.27.33/drivers/block/Kconfig linux-2.6.27.33-vs2.3.0.36.6/drivers/block/Kconfig
---- linux-2.6.27.33/drivers/block/Kconfig 2008-10-13 14:51:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/block/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -263,6 +263,13 @@ config BLK_DEV_CRYPTOLOOP
- instead, which can be configured to be on-disk compatible with the
- cryptoloop device.
+diff -NurpP --minimal linux-3.18.5/arch/x86/syscalls/syscall_32.tbl linux-3.18.5-vs2.3.7.3/arch/x86/syscalls/syscall_32.tbl
+--- linux-3.18.5/arch/x86/syscalls/syscall_32.tbl 2015-01-17 02:39:43.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/x86/syscalls/syscall_32.tbl 2015-01-19 10:57:46.000000000 +0000
+@@ -279,7 +279,7 @@
+ 270 i386 tgkill sys_tgkill
+ 271 i386 utimes sys_utimes compat_sys_utimes
+ 272 i386 fadvise64_64 sys_fadvise64_64 sys32_fadvise64_64
+-273 i386 vserver
++273 i386 vserver sys_vserver sys32_vserver
+ 274 i386 mbind sys_mbind
+ 275 i386 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy
+ 276 i386 set_mempolicy sys_set_mempolicy
+diff -NurpP --minimal linux-3.18.5/arch/x86/syscalls/syscall_64.tbl linux-3.18.5-vs2.3.7.3/arch/x86/syscalls/syscall_64.tbl
+--- linux-3.18.5/arch/x86/syscalls/syscall_64.tbl 2015-01-17 02:39:43.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/arch/x86/syscalls/syscall_64.tbl 2015-01-19 10:57:46.000000000 +0000
+@@ -242,7 +242,7 @@
+ 233 common epoll_ctl sys_epoll_ctl
+ 234 common tgkill sys_tgkill
+ 235 common utimes sys_utimes
+-236 64 vserver
++236 64 vserver sys_vserver
+ 237 common mbind sys_mbind
+ 238 common set_mempolicy sys_set_mempolicy
+ 239 common get_mempolicy sys_get_mempolicy
+diff -NurpP --minimal linux-3.18.5/block/ioprio.c linux-3.18.5-vs2.3.7.3/block/ioprio.c
+--- linux-3.18.5/block/ioprio.c 2015-01-17 02:39:43.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/block/ioprio.c 2015-01-19 13:00:07.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/security.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vs_base.h>
+
+ int set_task_ioprio(struct task_struct *task, int ioprio)
+ {
+@@ -105,6 +106,8 @@ SYSCALL_DEFINE3(ioprio_set, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ ret = set_task_ioprio(p, ioprio);
+ if (ret)
+ break;
+@@ -200,6 +203,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ tmpio = get_task_ioprio(p);
+ if (tmpio < 0)
+ continue;
+diff -NurpP --minimal linux-3.18.5/drivers/block/Kconfig linux-3.18.5-vs2.3.7.3/drivers/block/Kconfig
+--- linux-3.18.5/drivers/block/Kconfig 2014-06-12 11:33:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/block/Kconfig 2015-01-19 10:57:46.000000000 +0000
+@@ -283,6 +283,13 @@ config BLK_DEV_CRYPTOLOOP
+
+ source "drivers/block/drbd/Kconfig"
+config BLK_DEV_VROOT
+ tristate "Virtual Root device support"
config BLK_DEV_NBD
tristate "Network block device support"
depends on NET
-diff -NurpP --minimal linux-2.6.27.33/drivers/block/loop.c linux-2.6.27.33-vs2.3.0.36.6/drivers/block/loop.c
---- linux-2.6.27.33/drivers/block/loop.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/block/loop.c 2008-10-13 14:54:20.000000000 +0200
-@@ -76,6 +76,7 @@
- #include <linux/gfp.h>
- #include <linux/kthread.h>
- #include <linux/splice.h>
+diff -NurpP --minimal linux-3.18.5/drivers/block/Makefile linux-3.18.5-vs2.3.7.3/drivers/block/Makefile
+--- linux-3.18.5/drivers/block/Makefile 2014-06-12 11:33:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/block/Makefile 2015-01-19 10:57:46.000000000 +0000
+@@ -33,6 +33,7 @@ obj-$(CONFIG_VIRTIO_BLK) += virtio_blk.o
+
+ obj-$(CONFIG_BLK_DEV_SX8) += sx8.o
+ obj-$(CONFIG_BLK_DEV_HD) += hd.o
++obj-$(CONFIG_BLK_DEV_VROOT) += vroot.o
+
+ obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o
+ obj-$(CONFIG_XEN_BLKDEV_BACKEND) += xen-blkback/
+diff -NurpP --minimal linux-3.18.5/drivers/block/loop.c linux-3.18.5-vs2.3.7.3/drivers/block/loop.c
+--- linux-3.18.5/drivers/block/loop.c 2014-09-03 13:18:40.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/block/loop.c 2015-01-19 10:57:46.000000000 +0000
+@@ -75,6 +75,7 @@
+ #include <linux/sysfs.h>
+ #include <linux/miscdevice.h>
+ #include <linux/falloc.h>
+#include <linux/vs_context.h>
+ #include "loop.h"
#include <asm/uaccess.h>
-
-@@ -794,6 +795,7 @@ static int loop_set_fd(struct loop_devic
+@@ -885,6 +886,7 @@ static int loop_set_fd(struct loop_devic
lo->lo_blocksize = lo_blocksize;
lo->lo_device = bdev;
lo->lo_flags = lo_flags;
lo->lo_backing_file = file;
lo->transfer = transfer_none;
lo->ioctl = NULL;
-@@ -915,6 +917,7 @@ static int loop_clr_fd(struct loop_devic
+@@ -1029,6 +1031,7 @@ static int loop_clr_fd(struct loop_devic
+ lo->lo_sizelimit = 0;
lo->lo_encrypt_key_size = 0;
- lo->lo_flags = 0;
lo->lo_thread = NULL;
+ lo->lo_xid = 0;
memset(lo->lo_encrypt_key, 0, LO_KEY_SIZE);
memset(lo->lo_crypt_name, 0, LO_NAME_SIZE);
memset(lo->lo_file_name, 0, LO_NAME_SIZE);
-@@ -938,7 +941,7 @@ loop_set_status(struct loop_device *lo,
- struct loop_func_table *xfer;
+@@ -1072,7 +1075,7 @@ loop_set_status(struct loop_device *lo,
- if (lo->lo_encrypt_key_size && lo->lo_key_owner != current->uid &&
+ if (lo->lo_encrypt_key_size &&
+ !uid_eq(lo->lo_key_owner, uid) &&
- !capable(CAP_SYS_ADMIN))
+ !vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_CLOOP))
return -EPERM;
if (lo->lo_state != Lo_bound)
return -ENXIO;
-@@ -1022,7 +1025,8 @@ loop_get_status(struct loop_device *lo,
+@@ -1162,7 +1165,8 @@ loop_get_status(struct loop_device *lo,
memcpy(info->lo_crypt_name, lo->lo_crypt_name, LO_NAME_SIZE);
info->lo_encrypt_type =
lo->lo_encryption ? lo->lo_encryption->number : 0;
info->lo_encrypt_key_size = lo->lo_encrypt_key_size;
memcpy(info->lo_encrypt_key, lo->lo_encrypt_key,
lo->lo_encrypt_key_size);
-@@ -1331,6 +1335,9 @@ static int lo_open(struct inode *inode,
- {
- struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
+@@ -1504,6 +1508,11 @@ static int lo_open(struct block_device *
+ goto out;
+ }
-+ if (!vx_check(lo->lo_xid, VS_IDENT|VS_HOSTID|VS_ADMIN_P))
-+ return -EACCES;
++ if (!vx_check(lo->lo_xid, VS_IDENT|VS_HOSTID|VS_ADMIN_P)) {
++ err = -EACCES;
++ goto out;
++ }
+
mutex_lock(&lo->lo_ctl_mutex);
lo->lo_refcnt++;
mutex_unlock(&lo->lo_ctl_mutex);
-diff -NurpP --minimal linux-2.6.27.33/drivers/block/Makefile linux-2.6.27.33-vs2.3.0.36.6/drivers/block/Makefile
---- linux-2.6.27.33/drivers/block/Makefile 2008-10-13 14:51:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/block/Makefile 2008-10-13 14:54:20.000000000 +0200
-@@ -30,5 +30,6 @@ obj-$(CONFIG_VIODASD) += viodasd.o
- obj-$(CONFIG_BLK_DEV_SX8) += sx8.o
- obj-$(CONFIG_BLK_DEV_UB) += ub.o
- obj-$(CONFIG_BLK_DEV_HD) += hd.o
-+obj-$(CONFIG_BLK_DEV_VROOT) += vroot.o
+diff -NurpP --minimal linux-3.18.5/drivers/block/loop.h linux-3.18.5-vs2.3.7.3/drivers/block/loop.h
+--- linux-3.18.5/drivers/block/loop.h 2013-11-25 15:44:28.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/block/loop.h 2015-01-19 10:57:46.000000000 +0000
+@@ -41,6 +41,7 @@ struct loop_device {
+ struct loop_func_table *lo_encryption;
+ __u32 lo_init[2];
+ kuid_t lo_key_owner; /* Who set the key */
++ vxid_t lo_xid;
+ int (*ioctl)(struct loop_device *, int cmd,
+ unsigned long arg);
- obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o
-diff -NurpP --minimal linux-2.6.27.33/drivers/block/vroot.c linux-2.6.27.33-vs2.3.0.36.6/drivers/block/vroot.c
---- linux-2.6.27.33/drivers/block/vroot.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/block/vroot.c 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,283 @@
+diff -NurpP --minimal linux-3.18.5/drivers/block/vroot.c linux-3.18.5-vs2.3.7.3/drivers/block/vroot.c
+--- linux-3.18.5/drivers/block/vroot.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/block/vroot.c 2015-01-19 10:57:46.000000000 +0000
+@@ -0,0 +1,290 @@
+/*
+ * linux/drivers/block/vroot.c
+ *
+#include <linux/file.h>
+#include <linux/major.h>
+#include <linux/blkdev.h>
++#include <linux/slab.h>
+
+#include <linux/vroot.h>
+#include <linux/vs_context.h>
+
+static int vroot_set_dev(
+ struct vroot_device *vr,
-+ struct file *vr_file,
+ struct block_device *bdev,
+ unsigned int arg)
+{
+
+static int vroot_clr_dev(
+ struct vroot_device *vr,
-+ struct file *vr_file,
+ struct block_device *bdev)
+{
+ struct block_device *real_bdev;
+}
+
+
-+static int vr_ioctl(struct inode *inode, struct file *file,
++static int vr_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long arg)
+{
-+ struct vroot_device *vr = inode->i_bdev->bd_disk->private_data;
++ struct vroot_device *vr = bdev->bd_disk->private_data;
+ int err;
+
+ down(&vr->vr_ctl_mutex);
+ switch (cmd) {
+ case VROOT_SET_DEV:
-+ err = vroot_set_dev(vr, file, inode->i_bdev, arg);
++ err = vroot_set_dev(vr, bdev, arg);
+ break;
+ case VROOT_CLR_DEV:
-+ err = vroot_clr_dev(vr, file, inode->i_bdev);
++ err = vroot_clr_dev(vr, bdev);
+ break;
+ default:
+ err = -EINVAL;
+ return err;
+}
+
-+static int vr_open(struct inode *inode, struct file *file)
++static int vr_open(struct block_device *bdev, fmode_t mode)
+{
-+ struct vroot_device *vr = inode->i_bdev->bd_disk->private_data;
++ struct vroot_device *vr = bdev->bd_disk->private_data;
+
+ down(&vr->vr_ctl_mutex);
+ vr->vr_refcnt++;
+ return 0;
+}
+
-+static int vr_release(struct inode *inode, struct file *file)
++static void vr_release(struct gendisk *disk, fmode_t mode)
+{
-+ struct vroot_device *vr = inode->i_bdev->bd_disk->private_data;
++ struct vroot_device *vr = disk->private_data;
+
+ down(&vr->vr_ctl_mutex);
+ --vr->vr_refcnt;
+ up(&vr->vr_ctl_mutex);
-+ return 0;
+}
+
+static struct block_device_operations vr_fops = {
+ .ioctl = vr_ioctl,
+};
+
++static void vroot_make_request(struct request_queue *q, struct bio *bio)
++{
++ printk("vroot_make_request %p, %p\n", q, bio);
++ bio_io_error(bio);
++}
++
+struct block_device *__vroot_get_real_bdev(struct block_device *bdev)
+{
+ struct inode *inode = bdev->bd_inode;
+ return real_bdev;
+}
+
++
++
+/*
+ * And now the modules code and kernel interface.
+ */
+ disks[i]->queue = blk_alloc_queue(GFP_KERNEL);
+ if (!disks[i]->queue)
+ goto out_mem3;
++ blk_queue_make_request(disks[i]->queue, vroot_make_request);
+ }
+
+ for (i = 0; i < max_vroot; i++) {
+ struct gendisk *disk = disks[i];
+
+ memset(vr, 0, sizeof(*vr));
-+ init_MUTEX(&vr->vr_ctl_mutex);
++ sema_init(&vr->vr_ctl_mutex, 1);
+ vr->vr_number = i;
+ disk->major = VROOT_MAJOR;
+ disk->first_minor = i;
+
+#endif
+
-diff -NurpP --minimal linux-2.6.27.33/drivers/char/sysrq.c linux-2.6.27.33-vs2.3.0.36.6/drivers/char/sysrq.c
---- linux-2.6.27.33/drivers/char/sysrq.c 2008-10-13 14:51:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/char/sysrq.c 2008-10-13 14:54:20.000000000 +0200
-@@ -37,6 +37,7 @@
- #include <linux/irq.h>
- #include <linux/hrtimer.h>
- #include <linux/oom.h>
-+#include <linux/vserver/debug.h>
-
- #include <asm/ptrace.h>
- #include <asm/irq_regs.h>
-@@ -351,6 +352,21 @@ static struct sysrq_key_op sysrq_unrt_op
- .enable_mask = SYSRQ_ENABLE_RTNICE,
- };
-
-+
-+#ifdef CONFIG_VSERVER_DEBUG
-+static void sysrq_handle_vxinfo(int key, struct tty_struct *tty)
-+{
-+ dump_vx_info_inactive((key == 'x')?0:1);
-+}
-+
-+static struct sysrq_key_op sysrq_showvxinfo_op = {
-+ .handler = sysrq_handle_vxinfo,
-+ .help_msg = "conteXt",
-+ .action_msg = "Show Context Info",
-+ .enable_mask = SYSRQ_ENABLE_DUMP,
-+};
-+#endif
-+
- /* Key Operations table and lock */
- static DEFINE_SPINLOCK(sysrq_key_table_lock);
-
-@@ -404,7 +420,11 @@ static struct sysrq_key_op *sysrq_key_ta
- NULL, /* x */
- /* y: May be registered on sparc64 for global register dump */
- NULL, /* y */
-- NULL /* z */
-+#ifdef CONFIG_VSERVER_DEBUG
-+ &sysrq_showvxinfo_op, /* z */
-+#else
-+ NULL, /* z */
-+#endif
- };
-
- /* key2index calculation, -1 on invalid index */
-@@ -416,6 +436,8 @@ static int sysrq_key_table_key2index(int
- retval = key - '0';
- else if ((key >= 'a') && (key <= 'z'))
- retval = key + 10 - 'a';
-+ else if ((key >= 'A') && (key <= 'Z'))
-+ retval = key + 10 - 'A';
- else
- retval = -1;
- return retval;
-diff -NurpP --minimal linux-2.6.27.33/drivers/char/tty_io.c linux-2.6.27.33-vs2.3.0.36.6/drivers/char/tty_io.c
---- linux-2.6.27.33/drivers/char/tty_io.c 2009-09-13 16:16:53.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/char/tty_io.c 2009-02-03 17:59:04.000000000 +0100
-@@ -106,6 +106,7 @@
-
- #include <linux/kmod.h>
- #include <linux/nsproxy.h>
-+#include <linux/vs_pid.h>
-
- #undef TTY_DEBUG_HANGUP
-
-@@ -2770,6 +2771,7 @@ static int tiocspgrp(struct tty_struct *
- return -ENOTTY;
- if (get_user(pgrp_nr, p))
- return -EFAULT;
-+ pgrp_nr = vx_rmap_pid(pgrp_nr);
- if (pgrp_nr < 0)
- return -EINVAL;
- rcu_read_lock();
-diff -NurpP --minimal linux-2.6.27.33/drivers/infiniband/hw/ipath/ipath_user_pages.c linux-2.6.27.33-vs2.3.0.36.6/drivers/infiniband/hw/ipath/ipath_user_pages.c
---- linux-2.6.27.33/drivers/infiniband/hw/ipath/ipath_user_pages.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/infiniband/hw/ipath/ipath_user_pages.c 2008-10-13 14:54:20.000000000 +0200
-@@ -33,6 +33,7 @@
+diff -NurpP --minimal linux-3.18.5/drivers/infiniband/core/addr.c linux-3.18.5-vs2.3.7.3/drivers/infiniband/core/addr.c
+--- linux-3.18.5/drivers/infiniband/core/addr.c 2014-06-12 11:33:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/infiniband/core/addr.c 2015-01-19 10:57:46.000000000 +0000
+@@ -284,7 +284,7 @@ static int addr6_resolve(struct sockaddr
+
+ if (ipv6_addr_any(&fl6.saddr)) {
+ ret = ipv6_dev_get_saddr(&init_net, ip6_dst_idev(dst)->dev,
+- &fl6.daddr, 0, &fl6.saddr);
++ &fl6.daddr, 0, &fl6.saddr, NULL);
+ if (ret)
+ goto put;
+
+diff -NurpP --minimal linux-3.18.5/drivers/md/dm-ioctl.c linux-3.18.5-vs2.3.7.3/drivers/md/dm-ioctl.c
+--- linux-3.18.5/drivers/md/dm-ioctl.c 2015-01-17 02:39:51.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/md/dm-ioctl.c 2015-01-19 10:57:46.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/dm-ioctl.h>
+ #include <linux/hdreg.h>
+ #include <linux/compat.h>
++#include <linux/vs_context.h>
- #include <linux/mm.h>
- #include <linux/device.h>
-+#include <linux/vs_memory.h>
+ #include <asm/uaccess.h>
- #include "ipath_kernel.h"
+@@ -114,7 +115,8 @@ static struct hash_cell *__get_name_cell
+ unsigned int h = hash_str(str);
-@@ -61,7 +62,8 @@ static int __get_user_pages(unsigned lon
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >>
- PAGE_SHIFT;
+ list_for_each_entry (hc, _name_buckets + h, name_list)
+- if (!strcmp(hc->name, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->name, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -128,7 +130,8 @@ static struct hash_cell *__get_uuid_cell
+ unsigned int h = hash_str(str);
-- if (num_pages > lock_limit) {
-+ if (num_pages > lock_limit ||
-+ !vx_vmlocked_avail(current->mm, num_pages)) {
- ret = -ENOMEM;
- goto bail;
- }
-@@ -78,7 +80,7 @@ static int __get_user_pages(unsigned lon
- goto bail_release;
- }
+ list_for_each_entry (hc, _uuid_buckets + h, uuid_list)
+- if (!strcmp(hc->uuid, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->uuid, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -139,13 +142,15 @@ static struct hash_cell *__get_uuid_cell
+ static struct hash_cell *__get_dev_cell(uint64_t dev)
+ {
+ struct mapped_device *md;
+- struct hash_cell *hc;
++ struct hash_cell *hc = NULL;
-- current->mm->locked_vm += num_pages;
-+ vx_vmlocked_add(current->mm, num_pages);
+ md = dm_get_md(huge_decode_dev(dev));
+ if (!md)
+ return NULL;
- ret = 0;
- goto bail;
-@@ -177,7 +179,7 @@ void ipath_release_user_pages(struct pag
+- hc = dm_get_mdptr(md);
++ if (vx_check(dm_get_xid(md), VS_WATCH_P | VS_IDENT))
++ hc = dm_get_mdptr(md);
++
+ if (!hc) {
+ dm_put(md);
+ return NULL;
+@@ -467,6 +472,9 @@ typedef int (*ioctl_fn)(struct dm_ioctl
- __ipath_release_user_pages(p, num_pages, 1);
+ static int remove_all(struct dm_ioctl *param, size_t param_size)
+ {
++ if (!vx_check(0, VS_ADMIN))
++ return -EPERM;
++
+ dm_hash_remove_all(true, !!(param->flags & DM_DEFERRED_REMOVE), false);
+ param->data_size = 0;
+ return 0;
+@@ -514,6 +522,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ needed += sizeof(struct dm_name_list);
+ needed += strlen(hc->name) + 1;
+ needed += ALIGN_MASK;
+@@ -537,6 +547,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ if (old_nl)
+ old_nl->next = (uint32_t) ((void *) nl -
+ (void *) old_nl);
+@@ -1797,8 +1809,8 @@ static int ctl_ioctl(uint command, struc
+ size_t input_param_size;
+ struct dm_ioctl param_kernel;
-- current->mm->locked_vm -= num_pages;
-+ vx_vmlocked_sub(current->mm, num_pages);
+- /* only root can play with this */
+- if (!capable(CAP_SYS_ADMIN))
++ /* only root and certain contexts can play with this */
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_MAPPER))
+ return -EACCES;
- up_write(¤t->mm->mmap_sem);
- }
-@@ -194,7 +196,7 @@ static void user_pages_account(struct wo
- container_of(_work, struct ipath_user_pages_work, work);
-
- down_write(&work->mm->mmap_sem);
-- work->mm->locked_vm -= work->num_pages;
-+ vx_vmlocked_sub(work->mm, work->num_pages);
- up_write(&work->mm->mmap_sem);
- mmput(work->mm);
- kfree(work);
-diff -NurpP --minimal linux-2.6.27.33/drivers/md/dm.c linux-2.6.27.33-vs2.3.0.36.6/drivers/md/dm.c
---- linux-2.6.27.33/drivers/md/dm.c 2008-10-13 14:52:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/md/dm.c 2009-07-21 15:54:27.000000000 +0200
-@@ -22,6 +22,7 @@
+ if (_IOC_TYPE(command) != DM_IOCTL)
+diff -NurpP --minimal linux-3.18.5/drivers/md/dm.c linux-3.18.5-vs2.3.7.3/drivers/md/dm.c
+--- linux-3.18.5/drivers/md/dm.c 2015-02-05 18:02:42.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/md/dm.c 2015-01-28 11:48:02.000000000 +0000
+@@ -19,6 +19,7 @@
+ #include <linux/idr.h>
#include <linux/hdreg.h>
- #include <linux/blktrace_api.h>
- #include <linux/smp_lock.h>
+ #include <linux/delay.h>
+#include <linux/vs_base.h>
- #define DM_MSG_PREFIX "core"
+ #include <trace/events/block.h>
-@@ -91,6 +92,7 @@ struct mapped_device {
- rwlock_t map_lock;
+@@ -134,6 +135,7 @@ struct mapped_device {
+ struct mutex suspend_lock;
atomic_t holders;
atomic_t open_count;
-+ xid_t xid;
-
- unsigned long flags;
++ vxid_t xid;
-@@ -252,6 +254,7 @@ static void __exit dm_exit(void)
- static int dm_blk_open(struct inode *inode, struct file *file)
+ /*
+ * The current mapping.
+@@ -397,6 +399,7 @@ int dm_deleting_md(struct mapped_device
+ static int dm_blk_open(struct block_device *bdev, fmode_t mode)
{
struct mapped_device *md;
+ int ret = -ENXIO;
spin_lock(&_minor_lock);
-@@ -260,18 +263,19 @@ static int dm_blk_open(struct inode *ino
+@@ -405,18 +408,19 @@ static int dm_blk_open(struct block_devi
goto out;
if (test_bit(DMF_FREEING, &md->flags) ||
-- test_bit(DMF_DELETING, &md->flags)) {
+- dm_deleting_md(md)) {
- md = NULL;
-+ test_bit(DMF_DELETING, &md->flags))
++ dm_deleting_md(md))
+ goto out;
+
+ ret = -EACCES;
+ return ret;
}
- static int dm_blk_close(struct inode *inode, struct file *file)
-@@ -467,6 +471,14 @@ int dm_set_geometry(struct mapped_device
+ static void dm_blk_close(struct gendisk *disk, fmode_t mode)
+@@ -819,6 +823,14 @@ int dm_set_geometry(struct mapped_device
return 0;
}
+/*
+ * Get the xid associated with a dm device
+ */
-+xid_t dm_get_xid(struct mapped_device *md)
++vxid_t dm_get_xid(struct mapped_device *md)
+{
+ return md->xid;
+}
/*-----------------------------------------------------------------
* CRUD START:
* A more elegant soln is in the works that uses the queue
-@@ -1069,6 +1081,7 @@ static struct mapped_device *alloc_dev(i
- INIT_LIST_HEAD(&md->uevent_list);
+@@ -2077,6 +2089,7 @@ static struct mapped_device *alloc_dev(i
+ INIT_LIST_HEAD(&md->table_devices);
spin_lock_init(&md->uevent_lock);
+ md->xid = vx_current_xid();
md->queue = blk_alloc_queue(GFP_KERNEL);
if (!md->queue)
goto bad_queue;
-diff -NurpP --minimal linux-2.6.27.33/drivers/md/dm.h linux-2.6.27.33-vs2.3.0.36.6/drivers/md/dm.h
---- linux-2.6.27.33/drivers/md/dm.h 2008-10-13 14:52:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/md/dm.h 2008-10-13 14:54:20.000000000 +0200
-@@ -66,6 +66,8 @@ void dm_put_target_type(struct target_ty
- int dm_target_iterate(void (*iter_func)(struct target_type *tt,
- void *param), void *param);
+diff -NurpP --minimal linux-3.18.5/drivers/md/dm.h linux-3.18.5-vs2.3.7.3/drivers/md/dm.h
+--- linux-3.18.5/drivers/md/dm.h 2015-01-17 02:39:51.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/md/dm.h 2015-01-19 10:57:46.000000000 +0000
+@@ -50,6 +50,8 @@ struct dm_dev_internal {
+ struct dm_table;
+ struct dm_md_mempools;
-+xid_t dm_get_xid(struct mapped_device *md);
++vxid_t dm_get_xid(struct mapped_device *md);
+
/*-----------------------------------------------------------------
- * Useful inlines.
+ * Internal table functions.
*---------------------------------------------------------------*/
-diff -NurpP --minimal linux-2.6.27.33/drivers/md/dm-ioctl.c linux-2.6.27.33-vs2.3.0.36.6/drivers/md/dm-ioctl.c
---- linux-2.6.27.33/drivers/md/dm-ioctl.c 2009-09-13 16:16:54.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/md/dm-ioctl.c 2009-03-25 14:32:29.000000000 +0100
-@@ -16,6 +16,7 @@
- #include <linux/dm-ioctl.h>
- #include <linux/hdreg.h>
- #include <linux/compat.h>
-+#include <linux/vs_context.h>
-
- #include <asm/uaccess.h>
-
-@@ -101,7 +102,8 @@ static struct hash_cell *__get_name_cell
- unsigned int h = hash_str(str);
-
- list_for_each_entry (hc, _name_buckets + h, name_list)
-- if (!strcmp(hc->name, str)) {
-+ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
-+ !strcmp(hc->name, str)) {
- dm_get(hc->md);
- return hc;
- }
-@@ -115,7 +117,8 @@ static struct hash_cell *__get_uuid_cell
- unsigned int h = hash_str(str);
-
- list_for_each_entry (hc, _uuid_buckets + h, uuid_list)
-- if (!strcmp(hc->uuid, str)) {
-+ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
-+ !strcmp(hc->uuid, str)) {
- dm_get(hc->md);
- return hc;
- }
-@@ -352,6 +355,9 @@ typedef int (*ioctl_fn)(struct dm_ioctl
-
- static int remove_all(struct dm_ioctl *param, size_t param_size)
- {
-+ if (!vx_check(0, VS_ADMIN))
-+ return -EPERM;
-+
- dm_hash_remove_all(1);
- param->data_size = 0;
- return 0;
-@@ -399,6 +405,8 @@ static int list_devices(struct dm_ioctl
- */
- for (i = 0; i < NUM_BUCKETS; i++) {
- list_for_each_entry (hc, _name_buckets + i, name_list) {
-+ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
-+ continue;
- needed += sizeof(struct dm_name_list);
- needed += strlen(hc->name) + 1;
- needed += ALIGN_MASK;
-@@ -422,6 +430,8 @@ static int list_devices(struct dm_ioctl
- */
- for (i = 0; i < NUM_BUCKETS; i++) {
- list_for_each_entry (hc, _name_buckets + i, name_list) {
-+ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
-+ continue;
- if (old_nl)
- old_nl->next = (uint32_t) ((void *) nl -
- (void *) old_nl);
-@@ -612,10 +622,11 @@ static struct hash_cell *__find_device_h
- if (!md)
- goto out;
-
-- mdptr = dm_get_mdptr(md);
-+ if (vx_check(dm_get_xid(md), VS_WATCH_P | VS_IDENT))
-+ mdptr = dm_get_mdptr(md);
-+
- if (!mdptr)
- dm_put(md);
--
- out:
- return mdptr;
- }
-@@ -1407,8 +1418,8 @@ static int ctl_ioctl(uint command, struc
- ioctl_fn fn = NULL;
- size_t param_size;
-
-- /* only root can play with this */
-- if (!capable(CAP_SYS_ADMIN))
-+ /* only root and certain contexts can play with this */
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_MAPPER))
- return -EACCES;
-
- if (_IOC_TYPE(command) != DM_IOCTL)
-diff -NurpP --minimal linux-2.6.27.33/drivers/net/tun.c linux-2.6.27.33-vs2.3.0.36.6/drivers/net/tun.c
---- linux-2.6.27.33/drivers/net/tun.c 2009-09-13 16:16:55.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/drivers/net/tun.c 2009-02-22 22:58:32.000000000 +0100
-@@ -61,6 +61,7 @@
- #include <linux/crc32.h>
+diff -NurpP --minimal linux-3.18.5/drivers/net/tun.c linux-3.18.5-vs2.3.7.3/drivers/net/tun.c
+--- linux-3.18.5/drivers/net/tun.c 2015-01-17 02:40:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/net/tun.c 2015-01-19 10:57:46.000000000 +0000
+@@ -65,6 +65,7 @@
#include <linux/nsproxy.h>
#include <linux/virtio_net.h>
+ #include <linux/rcupdate.h>
+#include <linux/vs_network.h>
+ #include <net/ipv6.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
+@@ -171,6 +172,7 @@ struct tun_struct {
+ unsigned int flags;
+ kuid_t owner;
+ kgid_t group;
++ vnid_t nid;
+
+ struct net_device *dev;
+ netdev_features_t set_features;
+@@ -404,6 +406,7 @@ static inline bool tun_not_capable(struc
+ return ((uid_valid(tun->owner) && !uid_eq(cred->euid, tun->owner)) ||
+ (gid_valid(tun->group) && !in_egroup_p(tun->group))) &&
+ !ns_capable(net->user_ns, CAP_NET_ADMIN);
++ /* !cap_raised(current_cap(), CAP_NET_ADMIN) */
+ }
-@@ -93,6 +94,7 @@ struct tun_struct {
- int attached;
- uid_t owner;
- gid_t group;
-+ nid_t nid;
-
- wait_queue_head_t read_wait;
- struct sk_buff_head readq;
-@@ -681,6 +683,7 @@ static void tun_setup(struct net_device
-
- tun->owner = -1;
- tun->group = -1;
-+ tun->nid = current->nid;
-
- dev->open = tun_net_open;
- dev->hard_start_xmit = tun_net_xmit;
-@@ -713,6 +716,9 @@ static int tun_set_iff(struct net *net,
- tn = net_generic(net, tun_net_id);
- tun = tun_get_by_name(tn, ifr->ifr_name);
- if (tun) {
-+ if (!nx_check(tun->nid, VS_IDENT | VS_HOSTID | VS_ADMIN_P))
-+ return -EPERM;
-+
- if (tun->attached)
- return -EBUSY;
+ static void tun_set_real_num_queues(struct tun_struct *tun)
+@@ -1413,6 +1416,7 @@ static void tun_setup(struct net_device
-@@ -721,7 +727,7 @@ static int tun_set_iff(struct net *net,
- current->euid != tun->owner) ||
- (tun->group != -1 &&
- current->egid != tun->group)) &&
-- !capable(CAP_NET_ADMIN))
-+ !cap_raised(current->cap_effective, CAP_NET_ADMIN))
- return -EPERM;
- }
- else if (__dev_get_by_name(net, ifr->ifr_name))
-@@ -732,7 +738,7 @@ static int tun_set_iff(struct net *net,
+ tun->owner = INVALID_UID;
+ tun->group = INVALID_GID;
++ tun->nid = nx_current_nid();
- err = -EINVAL;
+ dev->ethtool_ops = &tun_ethtool_ops;
+ dev->destructor = tun_free_netdev;
+@@ -1629,7 +1633,7 @@ static int tun_set_iff(struct net *net,
+ int queues = ifr->ifr_flags & IFF_MULTI_QUEUE ?
+ MAX_TAP_QUEUES : 1;
-- if (!capable(CAP_NET_ADMIN))
-+ if (!nx_capable(CAP_NET_ADMIN, NXC_TUN_CREATE))
+- if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
++ if (!nx_ns_capable(net->user_ns, CAP_NET_ADMIN, NXC_TUN_CREATE))
return -EPERM;
-
- /* Set dev type */
-@@ -972,6 +978,16 @@ static int tun_chr_ioctl(struct inode *i
- DBG(KERN_INFO "%s: group set to %d\n", tun->dev->name, tun->group);
+ err = security_tun_dev_create();
+ if (err < 0)
+@@ -1996,6 +2000,16 @@ static long __tun_chr_ioctl(struct file
+ from_kgid(&init_user_ns, tun->group));
break;
+ case TUNSETNID:
+ return -EPERM;
+
+ /* Set nid owner of the device */
-+ tun->nid = (nid_t) arg;
++ tun->nid = (vnid_t) arg;
+
-+ DBG(KERN_INFO "%s: nid owner set to %u\n", tun->dev->name, tun->nid);
++ tun_debug(KERN_INFO, tun, "nid owner set to %u\n", tun->nid);
+ break;
+
case TUNSETLINK:
/* Only allow setting the type when the interface is down */
- rtnl_lock();
-diff -NurpP --minimal linux-2.6.27.33/fs/attr.c linux-2.6.27.33-vs2.3.0.36.6/fs/attr.c
---- linux-2.6.27.33/fs/attr.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/attr.c 2008-10-24 03:34:52.000000000 +0200
-@@ -14,6 +14,9 @@
- #include <linux/fcntl.h>
- #include <linux/quotaops.h>
- #include <linux/security.h>
-+#include <linux/proc_fs.h>
-+#include <linux/devpts_fs.h>
-+#include <linux/vs_tag.h>
+ if (tun->dev->flags & IFF_UP) {
+diff -NurpP --minimal linux-3.18.5/drivers/scsi/cxgbi/libcxgbi.c linux-3.18.5-vs2.3.7.3/drivers/scsi/cxgbi/libcxgbi.c
+--- linux-3.18.5/drivers/scsi/cxgbi/libcxgbi.c 2015-01-17 02:40:05.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/scsi/cxgbi/libcxgbi.c 2015-02-06 01:59:47.000000000 +0000
+@@ -764,7 +764,8 @@ static struct cxgbi_sock *cxgbi_check_ro
+ struct inet6_dev *idev = ip6_dst_idev((struct dst_entry *)rt);
+
+ err = ipv6_dev_get_saddr(&init_net, idev ? idev->dev : NULL,
+- &daddr6->sin6_addr, 0, &pref_saddr);
++ &daddr6->sin6_addr, 0, &pref_saddr,
++ NULL);
+ if (err) {
+ pr_info("failed to get source address to reach %pI6\n",
+ &daddr6->sin6_addr);
+diff -NurpP --minimal linux-3.18.5/drivers/tty/sysrq.c linux-3.18.5-vs2.3.7.3/drivers/tty/sysrq.c
+--- linux-3.18.5/drivers/tty/sysrq.c 2015-01-16 22:19:12.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/tty/sysrq.c 2015-01-19 11:01:25.000000000 +0000
+@@ -47,6 +47,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/of.h>
+ #include <linux/rcupdate.h>
++#include <linux/vserver/debug.h>
- /* Taken over from the old code... */
+ #include <asm/ptrace.h>
+ #include <asm/irq_regs.h>
+@@ -408,6 +409,21 @@ static struct sysrq_key_op sysrq_unrt_op
+ .enable_mask = SYSRQ_ENABLE_RTNICE,
+ };
-@@ -55,6 +58,10 @@ int inode_change_ok(struct inode *inode,
- if (!is_owner_or_cap(inode))
- goto error;
- }
+
-+ if (dx_permission(inode, MAY_WRITE))
-+ goto error;
++#ifdef CONFIG_VSERVER_DEBUG
++static void sysrq_handle_vxinfo(int key)
++{
++ dump_vx_info_inactive((key == 'x') ? 0 : 1);
++}
+
- fine:
- retval = 0;
- error:
-@@ -78,6 +85,8 @@ int inode_setattr(struct inode * inode,
- inode->i_uid = attr->ia_uid;
- if (ia_valid & ATTR_GID)
- inode->i_gid = attr->ia_gid;
-+ if ((ia_valid & ATTR_TAG) && IS_TAGGED(inode))
-+ inode->i_tag = attr->ia_tag;
- if (ia_valid & ATTR_ATIME)
- inode->i_atime = timespec_trunc(attr->ia_atime,
- inode->i_sb->s_time_gran);
-@@ -172,7 +181,8 @@ int notify_change(struct dentry * dentry
- error = security_inode_setattr(dentry, attr);
- if (!error) {
- if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
-- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid))
-+ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) ||
-+ (ia_valid & ATTR_TAG && attr->ia_tag != inode->i_tag))
- error = DQUOT_TRANSFER(inode, attr) ? -EDQUOT : 0;
- if (!error)
- error = inode_setattr(inode, attr);
-diff -NurpP --minimal linux-2.6.27.33/fs/binfmt_aout.c linux-2.6.27.33-vs2.3.0.36.6/fs/binfmt_aout.c
---- linux-2.6.27.33/fs/binfmt_aout.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/binfmt_aout.c 2008-10-13 14:54:20.000000000 +0200
-@@ -24,6 +24,7 @@
- #include <linux/binfmts.h>
- #include <linux/personality.h>
- #include <linux/init.h>
-+#include <linux/vs_memory.h>
++static struct sysrq_key_op sysrq_showvxinfo_op = {
++ .handler = sysrq_handle_vxinfo,
++ .help_msg = "conteXt",
++ .action_msg = "Show Context Info",
++ .enable_mask = SYSRQ_ENABLE_DUMP,
++};
++#endif
++
+ /* Key Operations table and lock */
+ static DEFINE_SPINLOCK(sysrq_key_table_lock);
- #include <asm/system.h>
- #include <asm/uaccess.h>
-diff -NurpP --minimal linux-2.6.27.33/fs/binfmt_elf.c linux-2.6.27.33-vs2.3.0.36.6/fs/binfmt_elf.c
---- linux-2.6.27.33/fs/binfmt_elf.c 2009-09-13 16:16:57.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/binfmt_elf.c 2009-08-01 01:45:51.000000000 +0200
-@@ -38,6 +38,7 @@
- #include <linux/random.h>
- #include <linux/elf.h>
- #include <linux/utsname.h>
-+#include <linux/vs_memory.h>
- #include <asm/uaccess.h>
- #include <asm/param.h>
- #include <asm/page.h>
-diff -NurpP --minimal linux-2.6.27.33/fs/binfmt_flat.c linux-2.6.27.33-vs2.3.0.36.6/fs/binfmt_flat.c
---- linux-2.6.27.33/fs/binfmt_flat.c 2009-09-13 16:16:57.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/binfmt_flat.c 2009-08-17 19:07:36.000000000 +0200
-@@ -35,6 +35,7 @@
- #include <linux/init.h>
- #include <linux/flat.h>
- #include <linux/syscalls.h>
-+#include <linux/vs_memory.h>
+@@ -463,7 +479,11 @@ static struct sysrq_key_op *sysrq_key_ta
+ &sysrq_showstate_blocked_op, /* w */
+ /* x: May be registered on ppc/powerpc for xmon */
+ /* x: May be registered on sparc64 for global PMU dump */
++#ifdef CONFIG_VSERVER_DEBUG
++ &sysrq_showvxinfo_op, /* x */
++#else
+ NULL, /* x */
++#endif
+ /* y: May be registered on sparc64 for global register dump */
+ NULL, /* y */
+ &sysrq_ftrace_dump_op, /* z */
+@@ -478,6 +498,8 @@ static int sysrq_key_table_key2index(int
+ retval = key - '0';
+ else if ((key >= 'a') && (key <= 'z'))
+ retval = key + 10 - 'a';
++ else if ((key >= 'A') && (key <= 'Z'))
++ retval = key + 10 - 'A';
+ else
+ retval = -1;
+ return retval;
+diff -NurpP --minimal linux-3.18.5/drivers/tty/tty_io.c linux-3.18.5-vs2.3.7.3/drivers/tty/tty_io.c
+--- linux-3.18.5/drivers/tty/tty_io.c 2015-01-17 02:40:14.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/drivers/tty/tty_io.c 2015-01-19 10:57:46.000000000 +0000
+@@ -104,6 +104,7 @@
- #include <asm/byteorder.h>
- #include <asm/system.h>
-diff -NurpP --minimal linux-2.6.27.33/fs/binfmt_som.c linux-2.6.27.33-vs2.3.0.36.6/fs/binfmt_som.c
---- linux-2.6.27.33/fs/binfmt_som.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/binfmt_som.c 2008-10-13 14:54:20.000000000 +0200
-@@ -28,6 +28,7 @@
- #include <linux/shm.h>
- #include <linux/personality.h>
- #include <linux/init.h>
-+#include <linux/vs_memory.h>
+ #include <linux/kmod.h>
+ #include <linux/nsproxy.h>
++#include <linux/vs_pid.h>
- #include <asm/uaccess.h>
- #include <asm/pgtable.h>
-diff -NurpP --minimal linux-2.6.27.33/fs/block_dev.c linux-2.6.27.33-vs2.3.0.36.6/fs/block_dev.c
---- linux-2.6.27.33/fs/block_dev.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/block_dev.c 2008-10-13 14:54:20.000000000 +0200
-@@ -24,6 +24,7 @@
- #include <linux/uio.h>
- #include <linux/namei.h>
+ #undef TTY_DEBUG_HANGUP
+
+@@ -2237,7 +2238,8 @@ static int tiocsti(struct tty_struct *tt
+ char ch, mbz = 0;
+ struct tty_ldisc *ld;
+
+- if ((current->signal->tty != tty) && !capable(CAP_SYS_ADMIN))
++ if (((current->signal->tty != tty) &&
++ !vx_capable(CAP_SYS_ADMIN, VXC_TIOCSTI)))
+ return -EPERM;
+ if (get_user(ch, p))
+ return -EFAULT;
+@@ -2525,6 +2527,7 @@ static int tiocspgrp(struct tty_struct *
+ return -ENOTTY;
+ if (get_user(pgrp_nr, p))
+ return -EFAULT;
++ pgrp_nr = vx_rmap_pid(pgrp_nr);
+ if (pgrp_nr < 0)
+ return -EINVAL;
+ rcu_read_lock();
+diff -NurpP --minimal linux-3.18.5/fs/attr.c linux-3.18.5-vs2.3.7.3/fs/attr.c
+--- linux-3.18.5/fs/attr.c 2014-09-03 13:19:35.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/attr.c 2015-01-19 10:57:46.000000000 +0000
+@@ -15,6 +15,9 @@
+ #include <linux/security.h>
+ #include <linux/evm.h>
+ #include <linux/ima.h>
++#include <linux/proc_fs.h>
++#include <linux/devpts_fs.h>
++#include <linux/vs_tag.h>
+
+ /**
+ * inode_change_ok - check if attribute changes to an inode are allowed
+@@ -77,6 +80,10 @@ int inode_change_ok(const struct inode *
+ return -EPERM;
+ }
+
++ /* check for inode tag permission */
++ if (dx_permission(inode, MAY_WRITE))
++ return -EACCES;
++
+ return 0;
+ }
+ EXPORT_SYMBOL(inode_change_ok);
+@@ -147,6 +154,8 @@ void setattr_copy(struct inode *inode, c
+ inode->i_uid = attr->ia_uid;
+ if (ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ if (ia_valid & ATTR_ATIME)
+ inode->i_atime = timespec_trunc(attr->ia_atime,
+ inode->i_sb->s_time_gran);
+@@ -197,7 +206,8 @@ int notify_change(struct dentry * dentry
+
+ WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex));
+
+- if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_TIMES_SET)) {
++ if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID |
++ ATTR_TAG | ATTR_TIMES_SET)) {
+ if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
+ return -EPERM;
+ }
+diff -NurpP --minimal linux-3.18.5/fs/block_dev.c linux-3.18.5-vs2.3.7.3/fs/block_dev.c
+--- linux-3.18.5/fs/block_dev.c 2015-01-17 02:40:16.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/block_dev.c 2015-01-19 10:57:46.000000000 +0000
+@@ -28,6 +28,7 @@
#include <linux/log2.h>
+ #include <linux/cleancache.h>
+ #include <linux/aio.h>
+#include <linux/vs_device.h>
#include <asm/uaccess.h>
#include "internal.h"
-@@ -389,6 +390,7 @@ struct block_device *bdget(dev_t dev)
+@@ -575,6 +576,7 @@ struct block_device *bdget(dev_t dev)
bdev->bd_invalidated = 0;
inode->i_mode = S_IFBLK;
inode->i_rdev = dev;
inode->i_bdev = bdev;
inode->i_data.a_ops = &def_blk_aops;
mapping_set_gfp_mask(&inode->i_data, GFP_USER);
-@@ -425,6 +427,11 @@ EXPORT_SYMBOL(bdput);
+@@ -622,6 +624,11 @@ EXPORT_SYMBOL(bdput);
static struct block_device *bd_acquire(struct inode *inode)
{
struct block_device *bdev;
spin_lock(&bdev_lock);
bdev = inode->i_bdev;
-@@ -435,7 +442,7 @@ static struct block_device *bd_acquire(s
+@@ -632,7 +639,7 @@ static struct block_device *bd_acquire(s
}
spin_unlock(&bdev_lock);
if (bdev) {
spin_lock(&bdev_lock);
if (!inode->i_bdev) {
-diff -NurpP --minimal linux-2.6.27.33/fs/char_dev.c linux-2.6.27.33-vs2.3.0.36.6/fs/char_dev.c
---- linux-2.6.27.33/fs/char_dev.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/char_dev.c 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/fs/btrfs/ctree.h linux-3.18.5-vs2.3.7.3/fs/btrfs/ctree.h
+--- linux-3.18.5/fs/btrfs/ctree.h 2015-01-17 02:40:16.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/btrfs/ctree.h 2015-01-19 10:57:46.000000000 +0000
+@@ -728,11 +728,14 @@ struct btrfs_inode_item {
+ /* modification sequence number for NFS */
+ __le64 sequence;
+
++ __le16 tag;
+ /*
+ * a little future expansion, for more than this we can
+ * just grow the inode item and version it
+ */
+- __le64 reserved[4];
++ __le16 reserved16;
++ __le32 reserved32;
++ __le64 reserved[3];
+ struct btrfs_timespec atime;
+ struct btrfs_timespec ctime;
+ struct btrfs_timespec mtime;
+@@ -2098,6 +2101,8 @@ struct btrfs_ioctl_defrag_range_args {
+ #define BTRFS_DEFAULT_COMMIT_INTERVAL (30)
+ #define BTRFS_DEFAULT_MAX_INLINE (8192)
+
++#define BTRFS_MOUNT_TAGGED (1 << 24)
++
+ #define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt)
+ #define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt)
+ #define btrfs_raw_test_opt(o, opt) ((o) & BTRFS_MOUNT_##opt)
+@@ -2381,6 +2386,7 @@ BTRFS_SETGET_FUNCS(inode_block_group, st
+ BTRFS_SETGET_FUNCS(inode_nlink, struct btrfs_inode_item, nlink, 32);
+ BTRFS_SETGET_FUNCS(inode_uid, struct btrfs_inode_item, uid, 32);
+ BTRFS_SETGET_FUNCS(inode_gid, struct btrfs_inode_item, gid, 32);
++BTRFS_SETGET_FUNCS(inode_tag, struct btrfs_inode_item, tag, 16);
+ BTRFS_SETGET_FUNCS(inode_mode, struct btrfs_inode_item, mode, 32);
+ BTRFS_SETGET_FUNCS(inode_rdev, struct btrfs_inode_item, rdev, 64);
+ BTRFS_SETGET_FUNCS(inode_flags, struct btrfs_inode_item, flags, 64);
+@@ -2453,6 +2459,10 @@ BTRFS_SETGET_FUNCS(extent_flags, struct
+
+ BTRFS_SETGET_FUNCS(extent_refs_v0, struct btrfs_extent_item_v0, refs, 32);
+
++#define BTRFS_INODE_IXUNLINK (1 << 24)
++#define BTRFS_INODE_BARRIER (1 << 25)
++#define BTRFS_INODE_COW (1 << 26)
++
+
+ BTRFS_SETGET_FUNCS(tree_block_level, struct btrfs_tree_block_info, level, 8);
+
+@@ -3864,6 +3874,7 @@ long btrfs_ioctl(struct file *file, unsi
+ void btrfs_update_iflags(struct inode *inode);
+ void btrfs_inherit_iflags(struct inode *inode, struct inode *dir);
+ int btrfs_is_empty_uuid(u8 *uuid);
++int btrfs_sync_flags(struct inode *inode, int, int);
+ int btrfs_defrag_file(struct inode *inode, struct file *file,
+ struct btrfs_ioctl_defrag_range_args *range,
+ u64 newer_than, unsigned long max_pages);
+diff -NurpP --minimal linux-3.18.5/fs/btrfs/disk-io.c linux-3.18.5-vs2.3.7.3/fs/btrfs/disk-io.c
+--- linux-3.18.5/fs/btrfs/disk-io.c 2015-02-05 18:02:44.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/btrfs/disk-io.c 2015-01-19 10:57:46.000000000 +0000
+@@ -2460,6 +2460,9 @@ int open_ctree(struct super_block *sb,
+ goto fail_alloc;
+ }
+
++ if (btrfs_test_opt(tree_root, TAGGED))
++ sb->s_flags |= MS_TAGGED;
++
+ features = btrfs_super_incompat_flags(disk_super) &
+ ~BTRFS_FEATURE_INCOMPAT_SUPP;
+ if (features) {
+diff -NurpP --minimal linux-3.18.5/fs/btrfs/inode.c linux-3.18.5-vs2.3.7.3/fs/btrfs/inode.c
+--- linux-3.18.5/fs/btrfs/inode.c 2015-01-17 02:40:16.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/btrfs/inode.c 2015-01-19 12:26:30.000000000 +0000
+@@ -43,6 +43,7 @@
+ #include <linux/btrfs.h>
+ #include <linux/blkdev.h>
+ #include <linux/posix_acl_xattr.h>
++#include <linux/vs_tag.h>
+ #include "ctree.h"
+ #include "disk-io.h"
+ #include "transaction.h"
+@@ -3477,6 +3478,9 @@ static void btrfs_read_locked_inode(stru
+ unsigned long ptr;
+ int maybe_acls;
+ u32 rdev;
++ kuid_t kuid;
++ kgid_t kgid;
++ ktag_t ktag;
+ int ret;
+ bool filled = false;
+ int first_xattr_slot;
+@@ -3504,8 +3508,14 @@ static void btrfs_read_locked_inode(stru
+ struct btrfs_inode_item);
+ inode->i_mode = btrfs_inode_mode(leaf, inode_item);
+ set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));
+- i_uid_write(inode, btrfs_inode_uid(leaf, inode_item));
+- i_gid_write(inode, btrfs_inode_gid(leaf, inode_item));
++
++ kuid = make_kuid(&init_user_ns, btrfs_inode_uid(leaf, inode_item));
++ kgid = make_kgid(&init_user_ns, btrfs_inode_gid(leaf, inode_item));
++ ktag = make_ktag(&init_user_ns, btrfs_inode_tag(leaf, inode_item));
++
++ inode->i_uid = INOTAG_KUID(DX_TAG(inode), kuid, kgid);
++ inode->i_gid = INOTAG_KGID(DX_TAG(inode), kuid, kgid);
++ inode->i_tag = INOTAG_KTAG(DX_TAG(inode), kuid, kgid, ktag);
+ btrfs_i_size_write(inode, btrfs_inode_size(leaf, inode_item));
+
+ tspec = btrfs_inode_atime(inode_item);
+@@ -3629,11 +3639,18 @@ static void fill_inode_item(struct btrfs
+ struct inode *inode)
+ {
+ struct btrfs_map_token token;
++ uid_t uid = from_kuid(&init_user_ns,
++ TAGINO_KUID(DX_TAG(inode), inode->i_uid, inode->i_tag));
++ gid_t gid = from_kgid(&init_user_ns,
++ TAGINO_KGID(DX_TAG(inode), inode->i_gid, inode->i_tag));
+
+ btrfs_init_map_token(&token);
+
+- btrfs_set_token_inode_uid(leaf, item, i_uid_read(inode), &token);
+- btrfs_set_token_inode_gid(leaf, item, i_gid_read(inode), &token);
++ btrfs_set_token_inode_uid(leaf, item, uid, &token);
++ btrfs_set_token_inode_gid(leaf, item, gid, &token);
++#ifdef CONFIG_TAGGING_INTERN
++ btrfs_set_token_inode_tag(leaf, item, i_tag_read(inode), &token);
++#endif
+ btrfs_set_token_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size,
+ &token);
+ btrfs_set_token_inode_mode(leaf, item, inode->i_mode, &token);
+@@ -9459,6 +9476,7 @@ static const struct inode_operations btr
+ .listxattr = btrfs_listxattr,
+ .removexattr = btrfs_removexattr,
+ .permission = btrfs_permission,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ .set_acl = btrfs_set_acl,
+ .update_time = btrfs_update_time,
+@@ -9467,6 +9485,7 @@ static const struct inode_operations btr
+ static const struct inode_operations btrfs_dir_ro_inode_operations = {
+ .lookup = btrfs_lookup,
+ .permission = btrfs_permission,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ .set_acl = btrfs_set_acl,
+ .update_time = btrfs_update_time,
+@@ -9537,6 +9556,7 @@ static const struct inode_operations btr
+ .removexattr = btrfs_removexattr,
+ .permission = btrfs_permission,
+ .fiemap = btrfs_fiemap,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ .set_acl = btrfs_set_acl,
+ .update_time = btrfs_update_time,
+diff -NurpP --minimal linux-3.18.5/fs/btrfs/ioctl.c linux-3.18.5-vs2.3.7.3/fs/btrfs/ioctl.c
+--- linux-3.18.5/fs/btrfs/ioctl.c 2015-01-17 02:40:16.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/btrfs/ioctl.c 2015-01-21 09:54:51.000000000 +0000
+@@ -107,10 +107,13 @@ static unsigned int btrfs_flags_to_ioctl
+ {
+ unsigned int iflags = 0;
+
+- if (flags & BTRFS_INODE_SYNC)
+- iflags |= FS_SYNC_FL;
+ if (flags & BTRFS_INODE_IMMUTABLE)
+ iflags |= FS_IMMUTABLE_FL;
++ if (flags & BTRFS_INODE_IXUNLINK)
++ iflags |= FS_IXUNLINK_FL;
++
++ if (flags & BTRFS_INODE_SYNC)
++ iflags |= FS_SYNC_FL;
+ if (flags & BTRFS_INODE_APPEND)
+ iflags |= FS_APPEND_FL;
+ if (flags & BTRFS_INODE_NODUMP)
+@@ -127,34 +130,84 @@ static unsigned int btrfs_flags_to_ioctl
+ else if (flags & BTRFS_INODE_NOCOMPRESS)
+ iflags |= FS_NOCOMP_FL;
+
++ if (flags & BTRFS_INODE_BARRIER)
++ iflags |= FS_BARRIER_FL;
++ if (flags & BTRFS_INODE_COW)
++ iflags |= FS_COW_FL;
+ return iflags;
+ }
+
+ /*
+- * Update inode->i_flags based on the btrfs internal flags.
++ * Update inode->i_(v)flags based on the btrfs internal flags.
+ */
+ void btrfs_update_iflags(struct inode *inode)
+ {
+ struct btrfs_inode *ip = BTRFS_I(inode);
+ unsigned int new_fl = 0;
+
+- if (ip->flags & BTRFS_INODE_SYNC)
+- new_fl |= S_SYNC;
+ if (ip->flags & BTRFS_INODE_IMMUTABLE)
+ new_fl |= S_IMMUTABLE;
++ if (ip->flags & BTRFS_INODE_IXUNLINK)
++ new_fl |= S_IXUNLINK;
++
++ if (ip->flags & BTRFS_INODE_SYNC)
++ new_fl |= S_SYNC;
+ if (ip->flags & BTRFS_INODE_APPEND)
+ new_fl |= S_APPEND;
+ if (ip->flags & BTRFS_INODE_NOATIME)
+ new_fl |= S_NOATIME;
+ if (ip->flags & BTRFS_INODE_DIRSYNC)
+ new_fl |= S_DIRSYNC;
+-
+ set_mask_bits(&inode->i_flags,
+- S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME | S_DIRSYNC,
++ S_SYNC | S_APPEND | S_IMMUTABLE | S_IXUNLINK | S_NOATIME | S_DIRSYNC,
+ new_fl);
++
++ new_fl = 0;
++ if (ip->flags & BTRFS_INODE_BARRIER)
++ new_fl |= V_BARRIER;
++ if (ip->flags & BTRFS_INODE_COW)
++ new_fl |= V_COW;
++
++ set_mask_bits(&inode->i_vflags,
++ V_BARRIER | V_COW, new_fl);
+ }
+
+ /*
++ * Update btrfs internal flags from inode->i_(v)flags.
++ */
++void btrfs_update_flags(struct inode *inode)
++{
++ struct btrfs_inode *ip = BTRFS_I(inode);
++
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ ip->flags &= ~(BTRFS_INODE_SYNC | BTRFS_INODE_APPEND |
++ BTRFS_INODE_IMMUTABLE | BTRFS_INODE_IXUNLINK |
++ BTRFS_INODE_NOATIME | BTRFS_INODE_DIRSYNC |
++ BTRFS_INODE_BARRIER | BTRFS_INODE_COW);
++
++ if (flags & S_IMMUTABLE)
++ ip->flags |= BTRFS_INODE_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->flags |= BTRFS_INODE_IXUNLINK;
++
++ if (flags & S_SYNC)
++ ip->flags |= BTRFS_INODE_SYNC;
++ if (flags & S_APPEND)
++ ip->flags |= BTRFS_INODE_APPEND;
++ if (flags & S_NOATIME)
++ ip->flags |= BTRFS_INODE_NOATIME;
++ if (flags & S_DIRSYNC)
++ ip->flags |= BTRFS_INODE_DIRSYNC;
++
++ if (vflags & V_BARRIER)
++ ip->flags |= BTRFS_INODE_BARRIER;
++ if (vflags & V_COW)
++ ip->flags |= BTRFS_INODE_COW;
++ }
++
++/*
+ * Inherit flags from the parent inode.
+ *
+ * Currently only the compression flags and the cow flags are inherited.
+@@ -167,6 +220,7 @@ void btrfs_inherit_iflags(struct inode *
+ return;
+
+ flags = BTRFS_I(dir)->flags;
++ flags &= ~BTRFS_INODE_BARRIER;
+
+ if (flags & BTRFS_INODE_NOCOMPRESS) {
+ BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
+@@ -185,6 +239,30 @@ void btrfs_inherit_iflags(struct inode *
+ btrfs_update_iflags(inode);
+ }
+
++int btrfs_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct btrfs_inode *ip = BTRFS_I(inode);
++ struct btrfs_root *root = ip->root;
++ struct btrfs_trans_handle *trans;
++ int ret;
++
++ trans = btrfs_join_transaction(root);
++ BUG_ON(!trans);
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ btrfs_update_flags(inode);
++
++ ret = btrfs_update_inode(trans, root, inode);
++ BUG_ON(ret);
++
++ btrfs_update_iflags(inode);
++ inode->i_ctime = CURRENT_TIME;
++ btrfs_end_transaction(trans, root);
++
++ return 0;
++}
++
+ static int btrfs_ioctl_getflags(struct file *file, void __user *arg)
+ {
+ struct btrfs_inode *ip = BTRFS_I(file_inode(file));
+@@ -247,21 +325,27 @@ static int btrfs_ioctl_setflags(struct f
+
+ flags = btrfs_mask_flags(inode->i_mode, flags);
+ oldflags = btrfs_flags_to_ioctl(ip->flags);
+- if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) {
++ if ((flags ^ oldflags) & (FS_APPEND_FL |
++ FS_IMMUTABLE_FL | FS_IXUNLINK_FL)) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ ret = -EPERM;
+ goto out_unlock;
+ }
+ }
+
+- if (flags & FS_SYNC_FL)
+- ip->flags |= BTRFS_INODE_SYNC;
+- else
+- ip->flags &= ~BTRFS_INODE_SYNC;
+ if (flags & FS_IMMUTABLE_FL)
+ ip->flags |= BTRFS_INODE_IMMUTABLE;
+ else
+ ip->flags &= ~BTRFS_INODE_IMMUTABLE;
++ if (flags & FS_IXUNLINK_FL)
++ ip->flags |= BTRFS_INODE_IXUNLINK;
++ else
++ ip->flags &= ~BTRFS_INODE_IXUNLINK;
++
++ if (flags & FS_SYNC_FL)
++ ip->flags |= BTRFS_INODE_SYNC;
++ else
++ ip->flags &= ~BTRFS_INODE_SYNC;
+ if (flags & FS_APPEND_FL)
+ ip->flags |= BTRFS_INODE_APPEND;
+ else
+diff -NurpP --minimal linux-3.18.5/fs/btrfs/super.c linux-3.18.5-vs2.3.7.3/fs/btrfs/super.c
+--- linux-3.18.5/fs/btrfs/super.c 2015-02-05 18:02:44.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/btrfs/super.c 2015-01-19 10:57:46.000000000 +0000
+@@ -325,7 +325,7 @@ enum {
+ Opt_commit_interval, Opt_barrier, Opt_nodefrag, Opt_nodiscard,
+ Opt_noenospc_debug, Opt_noflushoncommit, Opt_acl, Opt_datacow,
+ Opt_datasum, Opt_treelog, Opt_noinode_cache,
+- Opt_err,
++ Opt_tag, Opt_notag, Opt_tagid, Opt_err,
+ };
+
+ static match_table_t tokens = {
+@@ -377,6 +377,9 @@ static match_table_t tokens = {
+ {Opt_rescan_uuid_tree, "rescan_uuid_tree"},
+ {Opt_fatal_errors, "fatal_errors=%s"},
+ {Opt_commit_interval, "commit=%d"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -743,6 +746,22 @@ int btrfs_parse_options(struct btrfs_roo
+ info->commit_interval = BTRFS_DEFAULT_COMMIT_INTERVAL;
+ }
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ printk(KERN_INFO "btrfs: use tagging\n");
++ btrfs_set_opt(info->mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ printk(KERN_INFO "btrfs: disabled tagging\n");
++ btrfs_clear_opt(info->mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ btrfs_set_opt(info->mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_err:
+ btrfs_info(root->fs_info, "unrecognized mount option '%s'", p);
+ ret = -EINVAL;
+@@ -1495,6 +1514,12 @@ static int btrfs_remount(struct super_bl
+ btrfs_resize_thread_pool(fs_info,
+ fs_info->thread_pool_size, old_thread_pool_size);
+
++ if (btrfs_test_opt(root, TAGGED) && !(sb->s_flags & MS_TAGGED)) {
++ printk("btrfs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++
+ if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
+ goto out;
+
+diff -NurpP --minimal linux-3.18.5/fs/char_dev.c linux-3.18.5-vs2.3.7.3/fs/char_dev.c
+--- linux-3.18.5/fs/char_dev.c 2014-01-22 20:39:05.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/char_dev.c 2015-01-19 10:57:46.000000000 +0000
@@ -21,6 +21,8 @@
- #include <linux/cdev.h>
#include <linux/mutex.h>
#include <linux/backing-dev.h>
+ #include <linux/tty.h>
+#include <linux/vs_context.h>
+#include <linux/vs_device.h>
- #ifdef CONFIG_KMOD
- #include <linux/kmod.h>
-@@ -361,14 +363,21 @@ static int chrdev_open(struct inode *ino
+ #include "internal.h"
+
+@@ -372,14 +374,21 @@ static int chrdev_open(struct inode *ino
struct cdev *p;
struct cdev *new = NULL;
int ret = 0;
if (!kobj)
return -ENXIO;
new = container_of(kobj, struct cdev, kobj);
-diff -NurpP --minimal linux-2.6.27.33/fs/dcache.c linux-2.6.27.33-vs2.3.0.36.6/fs/dcache.c
---- linux-2.6.27.33/fs/dcache.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/dcache.c 2009-02-03 17:59:04.000000000 +0100
-@@ -32,6 +32,7 @@
- #include <linux/seqlock.h>
- #include <linux/swap.h>
- #include <linux/bootmem.h>
+diff -NurpP --minimal linux-3.18.5/fs/dcache.c linux-3.18.5-vs2.3.7.3/fs/dcache.c
+--- linux-3.18.5/fs/dcache.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/dcache.c 2015-01-19 12:06:59.000000000 +0000
+@@ -38,6 +38,7 @@
+ #include <linux/prefetch.h>
+ #include <linux/ratelimit.h>
+ #include <linux/list_lru.h>
+#include <linux/vs_limit.h>
#include "internal.h"
+ #include "mount.h"
+@@ -654,6 +655,7 @@ EXPORT_SYMBOL(dput);
+ static inline void __dget_dlock(struct dentry *dentry)
+ {
+ dentry->d_lockref.count++;
++ vx_dentry_inc(dentry);
+ }
-@@ -226,6 +227,8 @@ repeat:
- return;
- }
+ static inline void __dget(struct dentry *dentry)
+@@ -666,6 +668,8 @@ struct dentry *dget_parent(struct dentry
+ int gotref;
+ struct dentry *ret;
+ vx_dentry_dec(dentry);
+
/*
- * AV: ->d_delete() is _NOT_ allowed to block now.
- */
-@@ -317,6 +320,7 @@ static inline struct dentry * __dget_loc
- {
- atomic_inc(&dentry->d_count);
- dentry_lru_del_init(dentry);
-+ vx_dentry_inc(dentry);
- return dentry;
- }
-
-@@ -914,6 +918,9 @@ struct dentry *d_alloc(struct dentry * p
+ * Do optimistic parent lookup without any
+ * locking.
+@@ -1410,6 +1414,9 @@ struct dentry *__d_alloc(struct super_bl
struct dentry *dentry;
char *dname;
dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL);
if (!dentry)
return NULL;
-@@ -962,6 +969,7 @@ struct dentry *d_alloc(struct dentry * p
- if (parent)
- list_add(&dentry->d_u.d_child, &parent->d_subdirs);
- dentry_stat.nr_dentry++;
-+ vx_dentry_inc(dentry);
- spin_unlock(&dcache_lock);
+@@ -1445,6 +1452,7 @@ struct dentry *__d_alloc(struct super_bl
- return dentry;
-@@ -1415,6 +1423,7 @@ struct dentry * __d_lookup(struct dentry
+ dentry->d_lockref.count = 1;
+ dentry->d_flags = 0;
++ vx_dentry_inc(dentry);
+ spin_lock_init(&dentry->d_lock);
+ seqcount_init(&dentry->d_seq);
+ dentry->d_inode = NULL;
+@@ -2184,6 +2192,7 @@ struct dentry *__d_lookup(const struct d
}
- atomic_inc(&dentry->d_count);
+ dentry->d_lockref.count++;
+ vx_dentry_inc(dentry);
found = dentry;
spin_unlock(&dentry->d_lock);
break;
-diff -NurpP --minimal linux-2.6.27.33/fs/devpts/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/devpts/inode.c
---- linux-2.6.27.33/fs/devpts/inode.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/devpts/inode.c 2008-10-13 14:54:20.000000000 +0200
-@@ -19,15 +19,29 @@
- #include <linux/tty.h>
- #include <linux/mutex.h>
- #include <linux/idr.h>
-+#include <linux/magic.h>
- #include <linux/devpts_fs.h>
+diff -NurpP --minimal linux-3.18.5/fs/devpts/inode.c linux-3.18.5-vs2.3.7.3/fs/devpts/inode.c
+--- linux-3.18.5/fs/devpts/inode.c 2014-09-03 13:19:39.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/devpts/inode.c 2015-01-19 10:57:47.000000000 +0000
+@@ -27,6 +27,7 @@
#include <linux/parser.h>
#include <linux/fsnotify.h>
#include <linux/seq_file.h>
--
--#define DEVPTS_SUPER_MAGIC 0x1cd1
+#include <linux/vs_base.h>
#define DEVPTS_DEFAULT_MODE 0600
+ /*
+@@ -38,6 +39,21 @@
+ #define DEVPTS_DEFAULT_PTMX_MODE 0000
+ #define PTMX_MINOR 2
+static int devpts_permission(struct inode *inode, int mask)
+{
+ int ret = -EACCES;
+
+ /* devpts is xid tagged */
-+ if (vx_check((xid_t)inode->i_tag, VS_WATCH_P | VS_IDENT))
-+ ret = generic_permission(inode, mask, NULL);
++ if (vx_check((vxid_t)i_tag_read(inode), VS_WATCH_P | VS_IDENT))
++ ret = generic_permission(inode, mask);
+ return ret;
+}
+
+ .permission = devpts_permission,
+};
+
- extern int pty_limit; /* Config limit on Unix98 ptys */
- static DEFINE_IDA(allocated_ptys);
- static DEFINE_MUTEX(allocated_ptys_lock);
-@@ -112,6 +126,25 @@ static int devpts_show_options(struct se
++
+ /*
+ * sysctl support for setting limits on the number of Unix98 ptys allocated.
+ * Otherwise one can eat up all kernel memory by opening /dev/ptmx repeatedly.
+@@ -350,6 +366,34 @@ static int devpts_show_options(struct se
return 0;
}
+static int devpts_filter(struct dentry *de)
+{
++ vxid_t xid = 0;
++
+ /* devpts is xid tagged */
-+ return vx_check((xid_t)de->d_inode->i_tag, VS_WATCH_P | VS_IDENT);
++ if (de && de->d_inode)
++ xid = (vxid_t)i_tag_read(de->d_inode);
++#ifdef CONFIG_VSERVER_WARN_DEVPTS
++ else
++ vxwprintk_task(1, "devpts " VS_Q("%.*s") " without inode.",
++ de->d_name.len, de->d_name.name);
++#endif
++ return vx_check(xid, VS_WATCH_P | VS_IDENT);
+}
+
-+static int devpts_readdir(struct file * filp, void * dirent, filldir_t filldir)
++static int devpts_readdir(struct file * filp, struct dir_context *ctx)
+{
-+ return dcache_readdir_filter(filp, dirent, filldir, devpts_filter);
++ return dcache_readdir_filter(filp, ctx, devpts_filter);
+}
+
+static struct file_operations devpts_dir_operations = {
+ .release = dcache_dir_close,
+ .llseek = dcache_dir_lseek,
+ .read = generic_read_dir,
-+ .readdir = devpts_readdir,
++ .iterate = devpts_readdir,
+};
+
static const struct super_operations devpts_sops = {
.statfs = simple_statfs,
.remount_fs = devpts_remount,
-@@ -138,8 +171,10 @@ devpts_fill_super(struct super_block *s,
- inode->i_uid = inode->i_gid = 0;
+@@ -393,8 +437,10 @@ devpts_fill_super(struct super_block *s,
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
inode->i_op = &simple_dir_inode_operations;
- inode->i_fop = &simple_dir_operations;
+ inode->i_fop = &devpts_dir_operations;
- inode->i_nlink = 2;
+ set_nlink(inode, 2);
+ /* devpts is xid tagged */
-+ inode->i_tag = (tag_t)vx_current_xid();
++ i_tag_write(inode, (vtag_t)vx_current_xid());
- devpts_root = s->s_root = d_alloc_root(inode);
+ s->s_root = d_make_root(inode);
if (s->s_root)
-@@ -232,6 +267,9 @@ int devpts_pty_new(struct tty_struct *tt
- inode->i_gid = config.setgid ? config.gid : current->fsgid;
+@@ -598,6 +644,9 @@ struct inode *devpts_pty_new(struct inod
+ inode->i_gid = opts->setgid ? opts->gid : current_fsgid();
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
- init_special_inode(inode, S_IFCHR|config.mode, device);
+ init_special_inode(inode, S_IFCHR|opts->mode, device);
+ /* devpts is xid tagged */
-+ inode->i_tag = (tag_t)vx_current_xid();
++ i_tag_write(inode, (vtag_t)vx_current_xid());
+ inode->i_op = &devpts_file_inode_operations;
- inode->i_private = tty;
-
- dentry = get_node(number);
-diff -NurpP --minimal linux-2.6.27.33/fs/exec.c linux-2.6.27.33-vs2.3.0.36.6/fs/exec.c
---- linux-2.6.27.33/fs/exec.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/exec.c 2009-05-15 22:57:04.000000000 +0200
-@@ -263,7 +263,9 @@ static int __bprm_mm_init(struct linux_b
- goto err;
- }
-
-- mm->stack_vm = mm->total_vm = 1;
-+ mm->total_vm = 0;
-+ vx_vmpages_inc(mm);
-+ mm->stack_vm = 1;
- up_write(&mm->mmap_sem);
-
- bprm->p = vma->vm_end - sizeof(void *);
-@@ -1459,7 +1461,7 @@ static int format_corename(char *corenam
- /* UNIX time of coredump */
- case 't': {
- struct timeval tv;
-- do_gettimeofday(&tv);
-+ vx_gettimeofday(&tv);
- rc = snprintf(out_ptr, out_end - out_ptr,
- "%lu", tv.tv_sec);
- if (rc > out_end - out_ptr)
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/balloc.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/balloc.c
---- linux-2.6.27.33/fs/ext2/balloc.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/balloc.c 2009-02-03 17:59:04.000000000 +0100
-@@ -16,6 +16,8 @@
- #include <linux/sched.h>
- #include <linux/buffer_head.h>
- #include <linux/capability.h>
-+#include <linux/vs_dlimit.h>
-+#include <linux/vs_tag.h>
+ inode->i_private = priv;
- /*
- * balloc.c contains the blocks allocation and deallocation routines
-@@ -569,6 +571,7 @@ do_more:
- }
- error_return:
- brelse(bitmap_bh);
-+ DLIMIT_FREE_BLOCK(inode, freed);
- release_blocks(sb, freed);
- DQUOT_FREE_BLOCK(inode, freed);
- }
-@@ -701,7 +704,6 @@ ext2_try_to_allocate(struct super_block
+ sprintf(s, "%d", index);
+diff -NurpP --minimal linux-3.18.5/fs/ext2/balloc.c linux-3.18.5-vs2.3.7.3/fs/ext2/balloc.c
+--- linux-3.18.5/fs/ext2/balloc.c 2013-05-31 13:45:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext2/balloc.c 2015-01-19 10:57:47.000000000 +0000
+@@ -693,7 +693,6 @@ ext2_try_to_allocate(struct super_block
start = 0;
end = EXT2_BLOCKS_PER_GROUP(sb);
}
BUG_ON(start > EXT2_BLOCKS_PER_GROUP(sb));
repeat:
-@@ -1251,6 +1253,11 @@ ext2_fsblk_t ext2_new_blocks(struct inod
- *errp = -EDQUOT;
- return 0;
- }
-+ if (DLIMIT_ALLOC_BLOCK(inode, num)) {
-+ *errp = -ENOSPC;
-+ DQUOT_FREE_BLOCK(inode, num);
-+ return 0;
-+ }
+diff -NurpP --minimal linux-3.18.5/fs/ext2/ext2.h linux-3.18.5-vs2.3.7.3/fs/ext2/ext2.h
+--- linux-3.18.5/fs/ext2/ext2.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext2/ext2.h 2015-01-19 10:57:47.000000000 +0000
+@@ -244,8 +244,12 @@ struct ext2_group_desc
+ #define EXT2_NOTAIL_FL FS_NOTAIL_FL /* file tail should not be merged */
+ #define EXT2_DIRSYNC_FL FS_DIRSYNC_FL /* dirsync behaviour (directories only) */
+ #define EXT2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
++#define EXT2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
+ #define EXT2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
- sbi = EXT2_SB(sb);
- es = EXT2_SB(sb)->s_es;
-@@ -1409,6 +1416,7 @@ allocated:
-
- *errp = 0;
- brelse(bitmap_bh);
-+ DLIMIT_FREE_BLOCK(inode, *count-num);
- DQUOT_FREE_BLOCK(inode, *count-num);
- *count = num;
- return ret_block;
-@@ -1419,8 +1427,10 @@ out:
- /*
- * Undo the block allocation
- */
-- if (!performed_allocation)
-+ if (!performed_allocation) {
-+ DLIMIT_FREE_BLOCK(inode, *count);
- DQUOT_FREE_BLOCK(inode, *count);
-+ }
- brelse(bitmap_bh);
- return 0;
- }
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/ext2.h linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/ext2.h
---- linux-2.6.27.33/fs/ext2/ext2.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/ext2.h 2008-10-13 14:54:20.000000000 +0200
-@@ -168,6 +168,7 @@ extern const struct file_operations ext2
- extern const struct address_space_operations ext2_aops;
- extern const struct address_space_operations ext2_aops_xip;
- extern const struct address_space_operations ext2_nobh_aops;
-+extern int ext2_sync_flags(struct inode *inode);
-
- /* namei.c */
- extern const struct inode_operations ext2_dir_inode_operations;
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/file.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/file.c
---- linux-2.6.27.33/fs/ext2/file.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/file.c 2008-10-13 14:54:20.000000000 +0200
-@@ -86,4 +86,5 @@ const struct inode_operations ext2_file_
- #endif
- .setattr = ext2_setattr,
- .permission = ext2_permission,
++#define EXT2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
++#define EXT2_COW_FL FS_COW_FL /* Copy on Write marker */
++
+ #define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
+ #define EXT2_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
+
+@@ -329,7 +333,8 @@ struct ext2_inode {
+ __u16 i_pad1;
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+- __u32 l_i_reserved2;
++ __le16 l_i_tag; /* Context Tag */
++ __u16 l_i_reserved2;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+@@ -357,6 +362,7 @@ struct ext2_inode {
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_reserved2 osd2.linux2.l_i_reserved2
+
+ /*
+@@ -384,6 +390,7 @@ struct ext2_inode {
+ #define EXT2_MOUNT_USRQUOTA 0x020000 /* user quota */
+ #define EXT2_MOUNT_GRPQUOTA 0x040000 /* group quota */
+ #define EXT2_MOUNT_RESERVATION 0x080000 /* Preallocation */
++#define EXT2_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
+
+
+ #define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt
+@@ -757,6 +764,7 @@ extern void ext2_set_inode_flags(struct
+ extern void ext2_get_inode_flags(struct ext2_inode_info *);
+ extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len);
++extern int ext2_sync_flags(struct inode *, int, int);
+
+ /* ioctl.c */
+ extern long ext2_ioctl(struct file *, unsigned int, unsigned long);
+diff -NurpP --minimal linux-3.18.5/fs/ext2/file.c linux-3.18.5-vs2.3.7.3/fs/ext2/file.c
+--- linux-3.18.5/fs/ext2/file.c 2014-09-03 13:19:39.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext2/file.c 2015-01-19 10:57:47.000000000 +0000
+@@ -105,4 +105,5 @@ const struct inode_operations ext2_file_
+ .get_acl = ext2_get_acl,
+ .set_acl = ext2_set_acl,
+ .fiemap = ext2_fiemap,
+ .sync_flags = ext2_sync_flags,
};
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/ialloc.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/ialloc.c
---- linux-2.6.27.33/fs/ext2/ialloc.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/ialloc.c 2008-10-13 14:54:20.000000000 +0200
-@@ -17,6 +17,8 @@
+diff -NurpP --minimal linux-3.18.5/fs/ext2/ialloc.c linux-3.18.5-vs2.3.7.3/fs/ext2/ialloc.c
+--- linux-3.18.5/fs/ext2/ialloc.c 2014-06-12 13:02:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext2/ialloc.c 2015-01-19 10:57:47.000000000 +0000
+@@ -17,6 +17,7 @@
#include <linux/backing-dev.h>
#include <linux/buffer_head.h>
#include <linux/random.h>
-+#include <linux/vs_dlimit.h>
+#include <linux/vs_tag.h>
#include "ext2.h"
#include "xattr.h"
#include "acl.h"
-@@ -123,6 +125,7 @@ void ext2_free_inode (struct inode * ino
- ext2_xattr_delete_inode(inode);
- DQUOT_FREE_INODE(inode);
- DQUOT_DROP(inode);
-+ DLIMIT_FREE_INODE(inode);
- }
-
- es = EXT2_SB(sb)->s_es;
-@@ -454,6 +457,11 @@ struct inode *ext2_new_inode(struct inod
- if (!inode)
- return ERR_PTR(-ENOMEM);
-
-+ inode->i_tag = dx_current_fstag(sb);
-+ if (DLIMIT_ALLOC_INODE(inode)) {
-+ err = -ENOSPC;
-+ goto fail_dlim;
-+ }
- ei = EXT2_I(inode);
- sbi = EXT2_SB(sb);
- es = sbi->s_es;
-@@ -565,7 +573,8 @@ got:
- inode->i_blocks = 0;
- inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
- memset(ei->i_data, 0, sizeof(ei->i_data));
-- ei->i_flags = EXT2_I(dir)->i_flags & ~EXT2_BTREE_FL;
-+ ei->i_flags = EXT2_I(dir)->i_flags &
-+ ~(EXT2_BTREE_FL|EXT2_IXUNLINK_FL|EXT2_BARRIER_FL);
- if (S_ISLNK(mode))
- ei->i_flags &= ~(EXT2_IMMUTABLE_FL|EXT2_APPEND_FL);
- /* dirsync is only applied to directories */
-@@ -610,12 +619,15 @@ fail_free_drop:
-
- fail_drop:
- DQUOT_DROP(inode);
-+ DLIMIT_FREE_INODE(inode);
- inode->i_flags |= S_NOQUOTA;
- inode->i_nlink = 0;
- iput(inode);
- return ERR_PTR(err);
+@@ -546,6 +547,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ i_tag_write(inode, dx_current_fstag(sb));
+ } else
+ inode_init_owner(inode, dir, mode);
- fail:
-+ DLIMIT_FREE_INODE(inode);
-+fail_dlim:
- make_bad_inode(inode);
- iput(inode);
- return ERR_PTR(err);
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/inode.c
---- linux-2.6.27.33/fs/ext2/inode.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/inode.c 2008-10-13 14:54:20.000000000 +0200
-@@ -31,6 +31,7 @@
- #include <linux/writeback.h>
- #include <linux/buffer_head.h>
- #include <linux/mpage.h>
+diff -NurpP --minimal linux-3.18.5/fs/ext2/inode.c linux-3.18.5-vs2.3.7.3/fs/ext2/inode.c
+--- linux-3.18.5/fs/ext2/inode.c 2014-09-03 13:19:39.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext2/inode.c 2015-01-19 10:57:47.000000000 +0000
+@@ -32,6 +32,7 @@
+ #include <linux/fiemap.h>
+ #include <linux/namei.h>
+ #include <linux/aio.h>
+#include <linux/vs_tag.h>
#include "ext2.h"
#include "acl.h"
#include "xip.h"
-@@ -1011,7 +1012,7 @@ void ext2_truncate(struct inode *inode)
+@@ -1182,7 +1183,7 @@ static void ext2_truncate_blocks(struct
return;
if (ext2_inode_is_fast_symlink(inode))
return;
- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
return;
-
- blocksize = inode->i_sb->s_blocksize;
-@@ -1149,38 +1150,72 @@ void ext2_set_inode_flags(struct inode *
+ __ext2_truncate_blocks(inode, offset);
+ }
+@@ -1273,36 +1274,61 @@ void ext2_set_inode_flags(struct inode *
{
unsigned int flags = EXT2_I(inode)->i_flags;
+ ei->i_flags |= EXT2_COW_FL;
}
-+int ext2_sync_flags(struct inode *inode)
-+{
-+ ext2_get_inode_flags(EXT2_I(inode));
-+ inode->i_ctime = CURRENT_TIME;
-+ mark_inode_dirty(inode);
-+ return 0;
-+}
-+
-+
struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
- {
- struct ext2_inode_info *ei;
-@@ -1188,6 +1223,8 @@ struct inode *ext2_iget (struct super_bl
- struct ext2_inode *raw_inode;
- struct inode *inode;
- long ret = -EIO;
-+ uid_t uid;
-+ gid_t gid;
- int n;
-
- inode = iget_locked(sb, ino);
-@@ -1210,12 +1247,17 @@ struct inode *ext2_iget (struct super_bl
- }
-
- inode->i_mode = le16_to_cpu(raw_inode->i_mode);
-- inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
-- inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
-+ uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
-+ gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
- if (!(test_opt (inode->i_sb, NO_UID32))) {
-- inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
-- inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
-+ uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
-+ gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+@@ -1338,8 +1364,10 @@ struct inode *ext2_iget (struct super_bl
+ i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+ i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
}
-+ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
-+ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
-+ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
-+ le16_to_cpu(raw_inode->i_raw_tag));
-+
- inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
+- i_uid_write(inode, i_uid);
+- i_gid_write(inode, i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
++ le16_to_cpu(raw_inode->i_raw_tag)));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
inode->i_size = le32_to_cpu(raw_inode->i_size);
inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
-@@ -1311,8 +1353,8 @@ static int ext2_update_inode(struct inod
+@@ -1437,8 +1465,10 @@ static int __ext2_write_inode(struct ino
struct ext2_inode_info *ei = EXT2_I(inode);
struct super_block *sb = inode->i_sb;
ino_t ino = inode->i_ino;
-- uid_t uid = inode->i_uid;
-- gid_t gid = inode->i_gid;
-+ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
-+ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
+- uid_t uid = i_uid_read(inode);
+- gid_t gid = i_gid_read(inode);
++ uid_t uid = from_kuid(&init_user_ns,
++ TAGINO_KUID(DX_TAG(inode), inode->i_uid, inode->i_tag));
++ gid_t gid = from_kgid(&init_user_ns,
++ TAGINO_KGID(DX_TAG(inode), inode->i_gid, inode->i_tag));
struct buffer_head * bh;
struct ext2_inode * raw_inode = ext2_get_inode(sb, ino, &bh);
int n;
-@@ -1348,6 +1390,9 @@ static int ext2_update_inode(struct inod
+@@ -1474,6 +1504,9 @@ static int __ext2_write_inode(struct ino
raw_inode->i_uid_high = 0;
raw_inode->i_gid_high = 0;
}
+#ifdef CONFIG_TAGGING_INTERN
-+ raw_inode->i_raw_tag = cpu_to_le16(inode->i_tag);
++ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
+#endif
raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
raw_inode->i_size = cpu_to_le32(inode->i_size);
raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
-@@ -1434,7 +1479,8 @@ int ext2_setattr(struct dentry *dentry,
- if (error)
- return error;
- if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
-- (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
-+ (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid) ||
-+ (iattr->ia_valid & ATTR_TAG && iattr->ia_tag != inode->i_tag)) {
- error = DQUOT_TRANSFER(inode, iattr) ? -EDQUOT : 0;
+@@ -1554,7 +1587,8 @@ int ext2_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, iattr))
+ dquot_initialize(inode);
+ if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
+- (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
++ (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid)) ||
++ (iattr->ia_valid & ATTR_TAG && !tag_eq(iattr->ia_tag, inode->i_tag))) {
+ error = dquot_transfer(inode, iattr);
if (error)
return error;
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/ioctl.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/ioctl.c
---- linux-2.6.27.33/fs/ext2/ioctl.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/ioctl.c 2008-10-13 14:54:20.000000000 +0200
-@@ -14,6 +14,7 @@
- #include <linux/compat.h>
- #include <linux/mount.h>
- #include <linux/smp_lock.h>
-+#include <linux/mount.h>
- #include <asm/current.h>
+diff -NurpP --minimal linux-3.18.5/fs/ext2/ioctl.c linux-3.18.5-vs2.3.7.3/fs/ext2/ioctl.c
+--- linux-3.18.5/fs/ext2/ioctl.c 2013-05-31 13:45:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext2/ioctl.c 2015-01-19 10:57:47.000000000 +0000
+@@ -17,6 +17,16 @@
#include <asm/uaccess.h>
-@@ -53,6 +54,11 @@ long ext2_ioctl(struct file *filp, unsig
- if (!S_ISDIR(inode->i_mode))
- flags &= ~EXT2_DIRSYNC_FL;
+
++int ext2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext2_get_inode_flags(EXT2_I(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
++}
++
+ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = file_inode(filp);
+@@ -51,6 +61,11 @@ long ext2_ioctl(struct file *filp, unsig
+
+ flags = ext2_mask_flags(inode->i_mode, flags);
+ if (IS_BARRIER(inode)) {
+ vxwprintk_task(1, "messing with the barrier.");
mutex_lock(&inode->i_mutex);
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode)) {
-@@ -68,7 +74,9 @@ long ext2_ioctl(struct file *filp, unsig
+@@ -66,7 +81,9 @@ long ext2_ioctl(struct file *filp, unsig
*
* This test looks nicer. Thanks to Pauline Middelink
*/
if (!capable(CAP_LINUX_IMMUTABLE)) {
mutex_unlock(&inode->i_mutex);
ret = -EPERM;
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/namei.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/namei.c
---- linux-2.6.27.33/fs/ext2/namei.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/namei.c 2008-10-13 14:54:20.000000000 +0200
-@@ -31,6 +31,7 @@
- */
+@@ -74,7 +91,7 @@ long ext2_ioctl(struct file *filp, unsig
+ }
+ }
+
+- flags = flags & EXT2_FL_USER_MODIFIABLE;
++ flags &= EXT2_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~EXT2_FL_USER_MODIFIABLE;
+ ei->i_flags = flags;
+
+diff -NurpP --minimal linux-3.18.5/fs/ext2/namei.c linux-3.18.5-vs2.3.7.3/fs/ext2/namei.c
+--- linux-3.18.5/fs/ext2/namei.c 2014-06-12 11:34:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext2/namei.c 2015-01-19 10:57:47.000000000 +0000
+@@ -32,6 +32,7 @@
#include <linux/pagemap.h>
+ #include <linux/quotaops.h>
+#include <linux/vs_tag.h>
#include "ext2.h"
#include "xattr.h"
#include "acl.h"
-@@ -66,6 +67,7 @@ static struct dentry *ext2_lookup(struct
- inode = ext2_iget(dir->i_sb, ino);
- if (IS_ERR(inode))
- return ERR_CAST(inode);
+@@ -73,6 +74,7 @@ static struct dentry *ext2_lookup(struct
+ (unsigned long) ino);
+ return ERR_PTR(-EIO);
+ }
+ dx_propagate_tag(nd, inode);
}
return d_splice_alias(inode, dentry);
}
-@@ -391,6 +393,7 @@ const struct inode_operations ext2_dir_i
- #endif
- .setattr = ext2_setattr,
- .permission = ext2_permission,
-+ .sync_flags = ext2_sync_flags,
- };
-
- const struct inode_operations ext2_special_inode_operations = {
-@@ -402,4 +405,5 @@ const struct inode_operations ext2_speci
+@@ -433,6 +435,7 @@ const struct inode_operations ext2_speci
+ .removexattr = generic_removexattr,
#endif
.setattr = ext2_setattr,
- .permission = ext2_permission,
+ .sync_flags = ext2_sync_flags,
+ .get_acl = ext2_get_acl,
+ .set_acl = ext2_set_acl,
};
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/super.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/super.c
---- linux-2.6.27.33/fs/ext2/super.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/super.c 2009-02-22 22:58:32.000000000 +0100
-@@ -390,7 +390,8 @@ enum {
+diff -NurpP --minimal linux-3.18.5/fs/ext2/super.c linux-3.18.5-vs2.3.7.3/fs/ext2/super.c
+--- linux-3.18.5/fs/ext2/super.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext2/super.c 2015-01-19 10:57:47.000000000 +0000
+@@ -395,7 +395,8 @@ enum {
Opt_err_ro, Opt_nouid32, Opt_nocheck, Opt_debug,
Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr,
Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota,
+ Opt_tag, Opt_notag, Opt_tagid
};
- static match_table_t tokens = {
-@@ -418,6 +419,9 @@ static match_table_t tokens = {
+ static const match_table_t tokens = {
+@@ -423,6 +424,9 @@ static const match_table_t tokens = {
{Opt_acl, "acl"},
{Opt_noacl, "noacl"},
{Opt_xip, "xip"},
{Opt_grpquota, "grpquota"},
{Opt_ignore, "noquota"},
{Opt_quota, "quota"},
-@@ -488,6 +492,20 @@ static int parse_options (char * options
+@@ -506,6 +510,20 @@ static int parse_options(char *options,
case Opt_nouid32:
set_opt (sbi->s_mount_opt, NO_UID32);
break;
case Opt_nocheck:
clear_opt (sbi->s_mount_opt, CHECK);
break;
-@@ -830,6 +848,8 @@ static int ext2_fill_super(struct super_
- if (!parse_options ((char *) data, sbi))
+@@ -864,6 +882,8 @@ static int ext2_fill_super(struct super_
+ if (!parse_options((char *) data, sb))
goto failed_mount;
+ if (EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_TAGGED)
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ?
MS_POSIXACL : 0);
-@@ -1162,6 +1182,13 @@ static int ext2_remount (struct super_bl
+@@ -1270,6 +1290,14 @@ static int ext2_remount (struct super_bl
+ err = -EINVAL;
goto restore_opts;
}
-
++
+ if ((sbi->s_mount_opt & EXT2_MOUNT_TAGGED) &&
+ !(sb->s_flags & MS_TAGGED)) {
+ printk("EXT2-fs: %s: tagging not permitted on remount.\n",
+ sb->s_id);
-+ return -EINVAL;
++ err = -EINVAL;
++ goto restore_opts;
+ }
-+
+
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+diff -NurpP --minimal linux-3.18.5/fs/ext3/ext3.h linux-3.18.5-vs2.3.7.3/fs/ext3/ext3.h
+--- linux-3.18.5/fs/ext3/ext3.h 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext3/ext3.h 2015-01-19 10:57:47.000000000 +0000
+@@ -151,10 +151,14 @@ struct ext3_group_desc
+ #define EXT3_NOTAIL_FL 0x00008000 /* file tail should not be merged */
+ #define EXT3_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
+ #define EXT3_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
++#define EXT3_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define EXT3_RESERVED_FL 0x80000000 /* reserved for ext3 lib */
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/symlink.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/symlink.c
---- linux-2.6.27.33/fs/ext2/symlink.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/symlink.c 2008-10-13 14:54:20.000000000 +0200
-@@ -38,6 +38,7 @@ const struct inode_operations ext2_symli
- .listxattr = ext2_listxattr,
- .removexattr = generic_removexattr,
- #endif
-+ .sync_flags = ext2_sync_flags,
- };
-
- const struct inode_operations ext2_fast_symlink_inode_operations = {
-@@ -49,4 +50,5 @@ const struct inode_operations ext2_fast_
- .listxattr = ext2_listxattr,
- .removexattr = generic_removexattr,
- #endif
-+ .sync_flags = ext2_sync_flags,
- };
-diff -NurpP --minimal linux-2.6.27.33/fs/ext2/xattr.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/xattr.c
---- linux-2.6.27.33/fs/ext2/xattr.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext2/xattr.c 2008-10-13 14:54:20.000000000 +0200
-@@ -60,6 +60,7 @@
- #include <linux/mbcache.h>
- #include <linux/quotaops.h>
- #include <linux/rwsem.h>
-+#include <linux/vs_dlimit.h>
- #include "ext2.h"
- #include "xattr.h"
- #include "acl.h"
-@@ -641,8 +642,12 @@ ext2_xattr_set2(struct inode *inode, str
- the inode. */
- ea_bdebug(new_bh, "reusing block");
-
-+ error = -ENOSPC;
-+ if (DLIMIT_ALLOC_BLOCK(inode, 1))
-+ goto cleanup;
- error = -EDQUOT;
- if (DQUOT_ALLOC_BLOCK(inode, 1)) {
-+ DLIMIT_FREE_BLOCK(inode, 1);
- unlock_buffer(new_bh);
- goto cleanup;
- }
-@@ -731,6 +736,7 @@ ext2_xattr_set2(struct inode *inode, str
- le32_add_cpu(&HDR(old_bh)->h_refcount, -1);
- if (ce)
- mb_cache_entry_release(ce);
-+ DLIMIT_FREE_BLOCK(inode, 1);
- DQUOT_FREE_BLOCK(inode, 1);
- mark_buffer_dirty(old_bh);
- ea_bdebug(old_bh, "refcount now=%d",
-@@ -794,6 +800,7 @@ ext2_xattr_delete_inode(struct inode *in
- mark_buffer_dirty(bh);
- if (IS_SYNC(inode))
- sync_dirty_buffer(bh);
-+ DLIMIT_FREE_BLOCK(inode, 1);
- DQUOT_FREE_BLOCK(inode, 1);
- }
- EXT2_I(inode)->i_file_acl = 0;
-diff -NurpP --minimal linux-2.6.27.33/fs/ext3/balloc.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/balloc.c
---- linux-2.6.27.33/fs/ext3/balloc.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/balloc.c 2009-07-21 16:41:09.000000000 +0200
-@@ -19,6 +19,8 @@
- #include <linux/ext3_jbd.h>
- #include <linux/quotaops.h>
- #include <linux/buffer_head.h>
-+#include <linux/vs_dlimit.h>
-+#include <linux/vs_tag.h>
-
- /*
- * balloc.c contains the blocks allocation and deallocation routines
-@@ -675,8 +677,10 @@ void ext3_free_blocks(handle_t *handle,
- return;
- }
- ext3_free_blocks_sb(handle, sb, block, count, &dquot_freed_blocks);
-- if (dquot_freed_blocks)
-+ if (dquot_freed_blocks) {
-+ DLIMIT_FREE_BLOCK(inode, dquot_freed_blocks);
- DQUOT_FREE_BLOCK(inode, dquot_freed_blocks);
-+ }
- return;
- }
-
-@@ -1415,18 +1419,33 @@ out:
- *
- * Check if filesystem has at least 1 free block available for allocation.
- */
--static int ext3_has_free_blocks(struct ext3_sb_info *sbi)
-+static int ext3_has_free_blocks(struct super_block *sb)
- {
-- ext3_fsblk_t free_blocks, root_blocks;
-+ struct ext3_sb_info *sbi = EXT3_SB(sb);
-+ unsigned long long free_blocks, root_blocks;
-+ int cond;
-
- free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
- root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
-- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
-+
-+ vxdprintk(VXD_CBIT(dlim, 3),
-+ "ext3_has_free_blocks(%p): free=%llu, root=%llu",
-+ sb, free_blocks, root_blocks);
-+
-+ DLIMIT_ADJUST_BLOCK(sb, dx_current_tag(), &free_blocks, &root_blocks);
-+
-+ cond = (free_blocks < root_blocks + 1 &&
-+ !capable(CAP_SYS_RESOURCE) &&
- sbi->s_resuid != current->fsuid &&
-- (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
-- return 0;
-- }
-- return 1;
-+ (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid)));
-+
-+ vxdprintk(VXD_CBIT(dlim, 3),
-+ "ext3_has_free_blocks(%p): %llu<%llu+1, %c, %u!=%u r=%d",
-+ sb, free_blocks, root_blocks,
-+ !capable(CAP_SYS_RESOURCE)?'1':'0',
-+ sbi->s_resuid, current->fsuid, cond?0:1);
+-#define EXT3_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+-#define EXT3_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
++#define EXT3_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define EXT3_COW_FL 0x20000000 /* Copy on Write marker */
+
-+ return (cond ? 0 : 1);
- }
++#define EXT3_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
++#define EXT3_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
- /**
-@@ -1443,7 +1462,7 @@ static int ext3_has_free_blocks(struct e
- */
- int ext3_should_retry_alloc(struct super_block *sb, int *retries)
- {
-- if (!ext3_has_free_blocks(EXT3_SB(sb)) || (*retries)++ > 3)
-+ if (!ext3_has_free_blocks(sb) || (*retries)++ > 3)
- return 0;
+ /* Flags that should be inherited by new inodes from their parent. */
+ #define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\
+@@ -292,7 +296,8 @@ struct ext3_inode {
+ __u16 i_pad1;
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+- __u32 l_i_reserved2;
++ __le16 l_i_tag; /* Context Tag */
++ __u16 l_i_reserved2;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+@@ -322,6 +327,7 @@ struct ext3_inode {
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_reserved2 osd2.linux2.l_i_reserved2
- jbd_debug(1, "%s: retrying operation after ENOSPC\n", sb->s_id);
-@@ -1506,6 +1525,8 @@ ext3_fsblk_t ext3_new_blocks(handle_t *h
- *errp = -EDQUOT;
- return 0;
- }
-+ if (DLIMIT_ALLOC_BLOCK(inode, num))
-+ goto out_dlimit;
-
- sbi = EXT3_SB(sb);
- es = EXT3_SB(sb)->s_es;
-@@ -1522,7 +1543,7 @@ ext3_fsblk_t ext3_new_blocks(handle_t *h
- if (block_i && ((windowsz = block_i->rsv_window_node.rsv_goal_size) > 0))
- my_rsv = &block_i->rsv_window_node;
-
-- if (!ext3_has_free_blocks(sbi)) {
-+ if (!ext3_has_free_blocks(sb)) {
- *errp = -ENOSPC;
- goto out;
- }
-@@ -1715,12 +1736,16 @@ allocated:
- *errp = 0;
- brelse(bitmap_bh);
- DQUOT_FREE_BLOCK(inode, *count-num);
-+ DLIMIT_FREE_BLOCK(inode, *count-num);
- *count = num;
- return ret_block;
-
- io_error:
- *errp = -EIO;
- out:
-+ if (!performed_allocation)
-+ DLIMIT_FREE_BLOCK(inode, *count);
-+out_dlimit:
- if (fatal) {
- *errp = fatal;
- ext3_std_error(sb, fatal);
-diff -NurpP --minimal linux-2.6.27.33/fs/ext3/file.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/file.c
---- linux-2.6.27.33/fs/ext3/file.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/file.c 2008-10-13 14:54:20.000000000 +0200
-@@ -134,5 +134,6 @@ const struct inode_operations ext3_file_
- .removexattr = generic_removexattr,
- #endif
- .permission = ext3_permission,
+ /*
+@@ -366,6 +372,7 @@ struct ext3_inode {
+ #define EXT3_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
+ #define EXT3_MOUNT_DATA_ERR_ABORT 0x400000 /* Abort on file data write
+ * error in ordered mode */
++#define EXT3_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
+
+ /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
+ #ifndef _LINUX_EXT2_FS_H
+@@ -1063,6 +1070,7 @@ extern void ext3_get_inode_flags(struct
+ extern void ext3_set_aops(struct inode *inode);
+ extern int ext3_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len);
++extern int ext3_sync_flags(struct inode *, int, int);
+
+ /* ioctl.c */
+ extern long ext3_ioctl(struct file *, unsigned int, unsigned long);
+diff -NurpP --minimal linux-3.18.5/fs/ext3/file.c linux-3.18.5-vs2.3.7.3/fs/ext3/file.c
+--- linux-3.18.5/fs/ext3/file.c 2014-09-03 13:19:39.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext3/file.c 2015-01-19 10:57:47.000000000 +0000
+@@ -77,5 +77,6 @@ const struct inode_operations ext3_file_
+ .get_acl = ext3_get_acl,
+ .set_acl = ext3_set_acl,
+ .fiemap = ext3_fiemap,
+ .sync_flags = ext3_sync_flags,
};
-diff -NurpP --minimal linux-2.6.27.33/fs/ext3/ialloc.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/ialloc.c
---- linux-2.6.27.33/fs/ext3/ialloc.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/ialloc.c 2008-10-13 14:54:20.000000000 +0200
-@@ -23,6 +23,8 @@
- #include <linux/buffer_head.h>
+diff -NurpP --minimal linux-3.18.5/fs/ext3/ialloc.c linux-3.18.5-vs2.3.7.3/fs/ext3/ialloc.c
+--- linux-3.18.5/fs/ext3/ialloc.c 2014-06-12 13:02:41.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext3/ialloc.c 2015-01-19 10:57:47.000000000 +0000
+@@ -14,6 +14,7 @@
+
+ #include <linux/quotaops.h>
#include <linux/random.h>
- #include <linux/bitops.h>
-+#include <linux/vs_dlimit.h>
+#include <linux/vs_tag.h>
- #include <asm/byteorder.h>
-
-@@ -127,6 +129,7 @@ void ext3_free_inode (handle_t *handle,
- ext3_xattr_delete_inode(handle, inode);
- DQUOT_FREE_INODE(inode);
- DQUOT_DROP(inode);
-+ DLIMIT_FREE_INODE(inode);
-
- is_directory = S_ISDIR(inode->i_mode);
+ #include "ext3.h"
+ #include "xattr.h"
+@@ -469,6 +470,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ i_tag_write(inode, dx_current_fstag(sb));
+ } else
+ inode_init_owner(inode, dir, mode);
-@@ -440,6 +443,12 @@ struct inode *ext3_new_inode(handle_t *h
- inode = new_inode(sb);
- if (!inode)
- return ERR_PTR(-ENOMEM);
-+
-+ inode->i_tag = dx_current_fstag(sb);
-+ if (DLIMIT_ALLOC_INODE(inode)) {
-+ err = -ENOSPC;
-+ goto out_dlimit;
-+ }
- ei = EXT3_I(inode);
-
- sbi = EXT3_SB(sb);
-@@ -559,7 +568,8 @@ got:
- ei->i_dir_start_lookup = 0;
- ei->i_disksize = 0;
-
-- ei->i_flags = EXT3_I(dir)->i_flags & ~EXT3_INDEX_FL;
-+ ei->i_flags = EXT3_I(dir)->i_flags &
-+ ~(EXT3_INDEX_FL|EXT3_IXUNLINK_FL|EXT3_BARRIER_FL);
- if (S_ISLNK(mode))
- ei->i_flags &= ~(EXT3_IMMUTABLE_FL|EXT3_APPEND_FL);
- /* dirsync only applies to directories */
-@@ -614,6 +624,8 @@ got:
- fail:
- ext3_std_error(sb, err);
- out:
-+ DLIMIT_FREE_INODE(inode);
-+out_dlimit:
- iput(inode);
- ret = ERR_PTR(err);
- really_out:
-@@ -625,6 +637,7 @@ fail_free_drop:
-
- fail_drop:
- DQUOT_DROP(inode);
-+ DLIMIT_FREE_INODE(inode);
- inode->i_flags |= S_NOQUOTA;
- inode->i_nlink = 0;
- iput(inode);
-diff -NurpP --minimal linux-2.6.27.33/fs/ext3/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/inode.c
---- linux-2.6.27.33/fs/ext3/inode.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/inode.c 2009-02-03 17:59:04.000000000 +0100
-@@ -36,6 +36,7 @@
+diff -NurpP --minimal linux-3.18.5/fs/ext3/inode.c linux-3.18.5-vs2.3.7.3/fs/ext3/inode.c
+--- linux-3.18.5/fs/ext3/inode.c 2014-09-03 13:19:39.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext3/inode.c 2015-01-19 10:57:47.000000000 +0000
+@@ -28,6 +28,8 @@
#include <linux/mpage.h>
- #include <linux/uio.h>
- #include <linux/bio.h>
+ #include <linux/namei.h>
+ #include <linux/aio.h>
+#include <linux/vs_tag.h>
++
+ #include "ext3.h"
#include "xattr.h"
#include "acl.h"
-
-@@ -2272,7 +2273,7 @@ static void ext3_free_branches(handle_t
-
- int ext3_can_truncate(struct inode *inode)
- {
-- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
-+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
- return 0;
- if (S_ISREG(inode->i_mode))
- return 1;
-@@ -2646,36 +2647,84 @@ void ext3_set_inode_flags(struct inode *
+@@ -2813,36 +2815,60 @@ void ext3_set_inode_flags(struct inode *
{
unsigned int flags = EXT3_I(inode)->i_flags;
+ ei->i_flags |= EXT3_BARRIER_FL;
+ if (vflags & V_COW)
+ ei->i_flags |= EXT3_COW_FL;
-+}
-+
-+int ext3_sync_flags(struct inode *inode)
-+{
-+ struct ext3_iloc iloc;
-+ handle_t *handle;
-+ int err;
-+
-+ handle = ext3_journal_start(inode, 1);
-+ if (IS_ERR(handle))
-+ return PTR_ERR(handle);
-+ if (IS_SYNC(inode))
-+ handle->h_sync = 1;
-+ err = ext3_reserve_inode_write(handle, inode, &iloc);
-+ if (err)
-+ goto flags_err;
-+
-+ ext3_get_inode_flags(EXT3_I(inode));
-+ inode->i_ctime = CURRENT_TIME;
-+
-+ err = ext3_mark_iloc_dirty(handle, inode, &iloc);
-+flags_err:
-+ ext3_journal_stop(handle);
-+ return err;
}
struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
-@@ -2687,6 +2736,8 @@ struct inode *ext3_iget(struct super_blo
- struct inode *inode;
- long ret;
- int block;
-+ uid_t uid;
-+ gid_t gid;
-
- inode = iget_locked(sb, ino);
- if (!inode)
-@@ -2707,12 +2758,17 @@ struct inode *ext3_iget(struct super_blo
- bh = iloc.bh;
- raw_inode = ext3_raw_inode(&iloc);
- inode->i_mode = le16_to_cpu(raw_inode->i_mode);
-- inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
-- inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
-+ uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
-+ gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
- if(!(test_opt (inode->i_sb, NO_UID32))) {
-- inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
-- inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
-+ uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
-+ gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+@@ -2880,8 +2906,10 @@ struct inode *ext3_iget(struct super_blo
+ i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+ i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
}
-+ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
-+ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
-+ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
-+ le16_to_cpu(raw_inode->i_raw_tag));
-+
- inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
+- i_uid_write(inode, i_uid);
+- i_gid_write(inode, i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
++ le16_to_cpu(raw_inode->i_raw_tag)));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
inode->i_size = le32_to_cpu(raw_inode->i_size);
inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
-@@ -2841,6 +2897,8 @@ static int ext3_do_update_inode(handle_t
- struct ext3_inode *raw_inode = ext3_raw_inode(iloc);
- struct ext3_inode_info *ei = EXT3_I(inode);
- struct buffer_head *bh = iloc->bh;
-+ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
-+ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
- int err = 0, rc, block;
-
- /* For fields not not tracking in the in-memory inode,
-@@ -2851,29 +2909,32 @@ static int ext3_do_update_inode(handle_t
+@@ -3053,8 +3081,10 @@ again:
+
ext3_get_inode_flags(ei);
raw_inode->i_mode = cpu_to_le16(inode->i_mode);
+- i_uid = i_uid_read(inode);
+- i_gid = i_gid_read(inode);
++ i_uid = from_kuid(&init_user_ns,
++ TAGINO_KUID(DX_TAG(inode), inode->i_uid, inode->i_tag));
++ i_gid = from_kgid(&init_user_ns,
++ TAGINO_KGID(DX_TAG(inode), inode->i_gid, inode->i_tag));
if(!(test_opt(inode->i_sb, NO_UID32))) {
-- raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid));
-- raw_inode->i_gid_low = cpu_to_le16(low_16_bits(inode->i_gid));
-+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(uid));
-+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(gid));
- /*
- * Fix up interoperability with old kernels. Otherwise, old inodes get
- * re-used with the upper 16 bits of the uid/gid intact
- */
- if(!ei->i_dtime) {
- raw_inode->i_uid_high =
-- cpu_to_le16(high_16_bits(inode->i_uid));
-+ cpu_to_le16(high_16_bits(uid));
- raw_inode->i_gid_high =
-- cpu_to_le16(high_16_bits(inode->i_gid));
-+ cpu_to_le16(high_16_bits(gid));
- } else {
- raw_inode->i_uid_high = 0;
- raw_inode->i_gid_high = 0;
- }
- } else {
- raw_inode->i_uid_low =
-- cpu_to_le16(fs_high2lowuid(inode->i_uid));
-+ cpu_to_le16(fs_high2lowuid(uid));
- raw_inode->i_gid_low =
-- cpu_to_le16(fs_high2lowgid(inode->i_gid));
-+ cpu_to_le16(fs_high2lowgid(gid));
+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(i_uid));
+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
+@@ -3079,6 +3109,9 @@ again:
raw_inode->i_uid_high = 0;
raw_inode->i_gid_high = 0;
}
+#ifdef CONFIG_TAGGING_INTERN
-+ raw_inode->i_raw_tag = cpu_to_le16(inode->i_tag);
++ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
+#endif
raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
- raw_inode->i_size = cpu_to_le32(ei->i_disksize);
- raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
-@@ -3026,7 +3087,8 @@ int ext3_setattr(struct dentry *dentry,
- return error;
-
- if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
-- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
-+ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) ||
-+ (ia_valid & ATTR_TAG && attr->ia_tag != inode->i_tag)) {
+ disksize = cpu_to_le32(ei->i_disksize);
+ if (disksize != raw_inode->i_size) {
+@@ -3251,7 +3284,8 @@ int ext3_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, attr))
+ dquot_initialize(inode);
+ if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) ||
+- (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) {
++ (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid)) ||
++ (ia_valid & ATTR_TAG && !tag_eq(attr->ia_tag, inode->i_tag))) {
handle_t *handle;
/* (user+group)*(old+new) structure, inode write (sb,
-@@ -3048,6 +3110,8 @@ int ext3_setattr(struct dentry *dentry,
+@@ -3273,6 +3307,8 @@ int ext3_setattr(struct dentry *dentry,
inode->i_uid = attr->ia_uid;
if (attr->ia_valid & ATTR_GID)
inode->i_gid = attr->ia_gid;
error = ext3_mark_inode_dirty(handle, inode);
ext3_journal_stop(handle);
}
-diff -NurpP --minimal linux-2.6.27.33/fs/ext3/ioctl.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/ioctl.c
---- linux-2.6.27.33/fs/ext3/ioctl.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/ioctl.c 2008-10-13 14:54:20.000000000 +0200
-@@ -8,6 +8,7 @@
- */
-
- #include <linux/fs.h>
-+#include <linux/mount.h>
- #include <linux/jbd.h>
- #include <linux/capability.h>
- #include <linux/ext3_fs.h>
-@@ -16,6 +17,7 @@
- #include <linux/time.h>
- #include <linux/compat.h>
- #include <linux/smp_lock.h>
-+#include <linux/vs_tag.h>
+diff -NurpP --minimal linux-3.18.5/fs/ext3/ioctl.c linux-3.18.5-vs2.3.7.3/fs/ext3/ioctl.c
+--- linux-3.18.5/fs/ext3/ioctl.c 2013-05-31 13:45:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext3/ioctl.c 2015-01-19 10:57:47.000000000 +0000
+@@ -12,6 +12,34 @@
#include <asm/uaccess.h>
+ #include "ext3.h"
- int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
-@@ -56,6 +58,11 @@ int ext3_ioctl (struct inode * inode, st
- if (!S_ISDIR(inode->i_mode))
- flags &= ~EXT3_DIRSYNC_FL;
++
++int ext3_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ handle_t *handle = NULL;
++ struct ext3_iloc iloc;
++ int err;
++
++ handle = ext3_journal_start(inode, 1);
++ if (IS_ERR(handle))
++ return PTR_ERR(handle);
++
++ if (IS_SYNC(inode))
++ handle->h_sync = 1;
++ err = ext3_reserve_inode_write(handle, inode, &iloc);
++ if (err)
++ goto flags_err;
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext3_get_inode_flags(EXT3_I(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++
++ err = ext3_mark_iloc_dirty(handle, inode, &iloc);
++flags_err:
++ ext3_journal_stop(handle);
++ return err;
++}
++
+ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = file_inode(filp);
+@@ -45,6 +73,11 @@ long ext3_ioctl(struct file *filp, unsig
+
+ flags = ext3_mask_flags(inode->i_mode, flags);
+ if (IS_BARRIER(inode)) {
+ vxwprintk_task(1, "messing with the barrier.");
+ }
+
mutex_lock(&inode->i_mutex);
+
/* Is it quota file? Do not allow user to mess with it */
- if (IS_NOQUOTA(inode)) {
-@@ -74,7 +81,9 @@ int ext3_ioctl (struct inode * inode, st
+@@ -63,7 +96,9 @@ long ext3_ioctl(struct file *filp, unsig
*
* This test looks nicer. Thanks to Pauline Middelink
*/
+ if ((oldflags & EXT3_IMMUTABLE_FL) ||
+ ((flags ^ oldflags) & (EXT3_APPEND_FL |
+ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL))) {
- if (!capable(CAP_LINUX_IMMUTABLE)) {
- mutex_unlock(&inode->i_mutex);
- err = -EPERM;
-diff -NurpP --minimal linux-2.6.27.33/fs/ext3/namei.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/namei.c
---- linux-2.6.27.33/fs/ext3/namei.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/namei.c 2009-02-03 18:03:38.000000000 +0100
-@@ -36,6 +36,7 @@
+ if (!capable(CAP_LINUX_IMMUTABLE))
+ goto flags_out;
+ }
+@@ -88,7 +123,7 @@ long ext3_ioctl(struct file *filp, unsig
+ if (err)
+ goto flags_err;
+
+- flags = flags & EXT3_FL_USER_MODIFIABLE;
++ flags &= EXT3_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~EXT3_FL_USER_MODIFIABLE;
+ ei->i_flags = flags;
+
+diff -NurpP --minimal linux-3.18.5/fs/ext3/namei.c linux-3.18.5-vs2.3.7.3/fs/ext3/namei.c
+--- linux-3.18.5/fs/ext3/namei.c 2014-06-12 11:34:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext3/namei.c 2015-01-19 10:57:47.000000000 +0000
+@@ -25,6 +25,8 @@
+ */
+
#include <linux/quotaops.h>
- #include <linux/buffer_head.h>
- #include <linux/bio.h>
+#include <linux/vs_tag.h>
-
++
+ #include "ext3.h"
#include "namei.h"
#include "xattr.h"
-@@ -912,6 +913,7 @@ restart:
- if (bh)
- ll_rw_block(READ_META, 1, &bh);
- }
+@@ -915,6 +917,7 @@ restart:
+ submit_bh(READ | REQ_META | REQ_PRIO,
+ bh);
+ }
+ dx_propagate_tag(nd, inode);
+ }
}
if ((bh = bh_use[ra_ptr++]) == NULL)
- goto next;
-@@ -2433,6 +2435,7 @@ const struct inode_operations ext3_dir_i
- .removexattr = generic_removexattr,
- #endif
- .permission = ext3_permission,
-+ .sync_flags = ext3_sync_flags,
- };
-
- const struct inode_operations ext3_special_inode_operations = {
-@@ -2444,4 +2447,5 @@ const struct inode_operations ext3_speci
+@@ -2568,6 +2571,7 @@ const struct inode_operations ext3_dir_i
+ .listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .permission = ext3_permission,
+ .sync_flags = ext3_sync_flags,
+ .get_acl = ext3_get_acl,
+ .set_acl = ext3_set_acl,
};
-diff -NurpP --minimal linux-2.6.27.33/fs/ext3/super.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/super.c
---- linux-2.6.27.33/fs/ext3/super.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/super.c 2009-02-03 17:59:04.000000000 +0100
-@@ -757,7 +757,7 @@ enum {
+diff -NurpP --minimal linux-3.18.5/fs/ext3/super.c linux-3.18.5-vs2.3.7.3/fs/ext3/super.c
+--- linux-3.18.5/fs/ext3/super.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext3/super.c 2015-01-19 10:57:47.000000000 +0000
+@@ -826,7 +826,8 @@ enum {
Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
- Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
- Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
-- Opt_grpquota
-+ Opt_grpquota, Opt_tag, Opt_notag, Opt_tagid
+ Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_jqfmt_vfsv1, Opt_quota,
+ Opt_noquota, Opt_ignore, Opt_barrier, Opt_nobarrier, Opt_err,
+- Opt_resize, Opt_usrquota, Opt_grpquota
++ Opt_resize, Opt_usrquota, Opt_grpquota,
++ Opt_tag, Opt_notag, Opt_tagid
};
- static match_table_t tokens = {
-@@ -808,6 +808,9 @@ static match_table_t tokens = {
- {Opt_usrquota, "usrquota"},
- {Opt_barrier, "barrier=%u"},
+ static const match_table_t tokens = {
+@@ -884,6 +885,9 @@ static const match_table_t tokens = {
+ {Opt_barrier, "barrier"},
+ {Opt_nobarrier, "nobarrier"},
{Opt_resize, "resize"},
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
{Opt_err, NULL},
};
-@@ -900,6 +903,20 @@ static int parse_options (char *options,
+@@ -1056,6 +1060,20 @@ static int parse_options (char *options,
case Opt_nouid32:
set_opt (sbi->s_mount_opt, NO_UID32);
break;
case Opt_nocheck:
clear_opt (sbi->s_mount_opt, CHECK);
break;
-@@ -1609,6 +1626,9 @@ static int ext3_fill_super (struct super
+@@ -1781,6 +1799,9 @@ static int ext3_fill_super (struct super
NULL, 0))
goto failed_mount;
+ sb->s_flags |= MS_TAGGED;
+
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
- ((sbi->s_mount_opt & EXT3_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-@@ -2446,6 +2466,13 @@ static int ext3_remount (struct super_bl
- if (sbi->s_mount_opt & EXT3_MOUNT_ABORT)
+@@ -2678,6 +2699,14 @@ static int ext3_remount (struct super_bl
+ if (test_opt(sb, ABORT))
ext3_abort(sb, __func__, "Abort forced by user");
+ if ((sbi->s_mount_opt & EXT3_MOUNT_TAGGED) &&
+ !(sb->s_flags & MS_TAGGED)) {
+ printk("EXT3-fs: %s: tagging not permitted on remount.\n",
+ sb->s_id);
-+ return -EINVAL;
++ err = -EINVAL;
++ goto restore_opts;
+ }
+
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
- ((sbi->s_mount_opt & EXT3_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
-
-diff -NurpP --minimal linux-2.6.27.33/fs/ext3/symlink.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/symlink.c
---- linux-2.6.27.33/fs/ext3/symlink.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/symlink.c 2008-10-13 14:54:20.000000000 +0200
-@@ -40,6 +40,7 @@ const struct inode_operations ext3_symli
- .listxattr = ext3_listxattr,
- .removexattr = generic_removexattr,
- #endif
-+ .sync_flags = ext3_sync_flags,
- };
-
- const struct inode_operations ext3_fast_symlink_inode_operations = {
-@@ -51,4 +52,5 @@ const struct inode_operations ext3_fast_
- .listxattr = ext3_listxattr,
- .removexattr = generic_removexattr,
- #endif
-+ .sync_flags = ext3_sync_flags,
- };
-diff -NurpP --minimal linux-2.6.27.33/fs/ext3/xattr.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/xattr.c
---- linux-2.6.27.33/fs/ext3/xattr.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext3/xattr.c 2008-10-13 14:54:20.000000000 +0200
-@@ -58,6 +58,7 @@
- #include <linux/mbcache.h>
- #include <linux/quotaops.h>
- #include <linux/rwsem.h>
-+#include <linux/vs_dlimit.h>
- #include "xattr.h"
- #include "acl.h"
-
-@@ -498,6 +499,7 @@ ext3_xattr_release_block(handle_t *handl
- error = ext3_journal_dirty_metadata(handle, bh);
- if (IS_SYNC(inode))
- handle->h_sync = 1;
-+ DLIMIT_FREE_BLOCK(inode, 1);
- DQUOT_FREE_BLOCK(inode, 1);
- ea_bdebug(bh, "refcount now=%d; releasing",
- le32_to_cpu(BHDR(bh)->h_refcount));
-@@ -771,11 +773,14 @@ inserted:
- if (new_bh == bs->bh)
- ea_bdebug(new_bh, "keeping");
- else {
-+ error = -ENOSPC;
-+ if (DLIMIT_ALLOC_BLOCK(inode, 1))
-+ goto cleanup;
- /* The old block is released after updating
- the inode. */
- error = -EDQUOT;
- if (DQUOT_ALLOC_BLOCK(inode, 1))
-- goto cleanup;
-+ goto cleanup_dlimit;
- error = ext3_journal_get_write_access(handle,
- new_bh);
- if (error)
-@@ -849,6 +854,8 @@ cleanup:
-
- cleanup_dquot:
- DQUOT_FREE_BLOCK(inode, 1);
-+cleanup_dlimit:
-+ DLIMIT_FREE_BLOCK(inode, 1);
- goto cleanup;
-
- bad_block:
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/balloc.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/balloc.c
---- linux-2.6.27.33/fs/ext4/balloc.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/balloc.c 2009-02-22 22:58:32.000000000 +0100
-@@ -17,6 +17,8 @@
- #include <linux/jbd2.h>
- #include <linux/quotaops.h>
- #include <linux/buffer_head.h>
-+#include <linux/vs_dlimit.h>
-+#include <linux/vs_tag.h>
- #include "ext4.h"
- #include "ext4_jbd2.h"
- #include "group.h"
-@@ -1019,8 +1021,10 @@ void ext4_free_blocks(handle_t *handle,
- else
- ext4_mb_free_blocks(handle, inode, block, count,
- metadata, &dquot_freed_blocks);
-- if (dquot_freed_blocks)
-+ if (dquot_freed_blocks) {
-+ DLIMIT_FREE_BLOCK(inode, dquot_freed_blocks);
- DQUOT_FREE_BLOCK(inode, dquot_freed_blocks);
-+ }
- return;
- }
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-@@ -1880,6 +1884,8 @@ ext4_fsblk_t ext4_old_new_blocks(handle_
- *errp = -EDQUOT;
- return 0;
- }
-+ if (DLIMIT_ALLOC_BLOCK(inode, num))
-+ goto out_dlimit;
-
- sbi = EXT4_SB(sb);
- es = EXT4_SB(sb)->s_es;
-@@ -2089,12 +2095,16 @@ allocated:
- *errp = 0;
- brelse(bitmap_bh);
- DQUOT_FREE_BLOCK(inode, *count-num);
-+ DLIMIT_FREE_BLOCK(inode, *count-num);
- *count = num;
- return ret_block;
-
- io_error:
- *errp = -EIO;
- out:
-+ if (!performed_allocation)
-+ DLIMIT_FREE_BLOCK(inode, *count);
-+out_dlimit:
- if (fatal) {
- *errp = fatal;
- ext4_std_error(sb, fatal);
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/ext4.h linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/ext4.h
---- linux-2.6.27.33/fs/ext4/ext4.h 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/ext4.h 2009-06-15 17:22:10.000000000 +0200
-@@ -243,8 +243,12 @@ struct flex_groups {
- #define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
+diff -NurpP --minimal linux-3.18.5/fs/ext4/ext4.h linux-3.18.5-vs2.3.7.3/fs/ext4/ext4.h
+--- linux-3.18.5/fs/ext4/ext4.h 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext4/ext4.h 2015-01-19 10:57:47.000000000 +0000
+@@ -385,7 +385,10 @@ struct flex_groups {
#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
- #define EXT4_EXT_MIGRATE 0x00100000 /* Inode is migrating */
+ #define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
+ #define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
++#define EXT4_BARRIER_FL 0x04000000 /* Barrier for chroot() */
+#define EXT4_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define EXT4_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */
++#define EXT4_COW_FL 0x20000000 /* Copy on Write marker */
#define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
-+#define EXT4_BARRIER_FL 0x04000000 /* Barrier for chroot() */
-+#define EXT4_COW_FL 0x20000000 /* Copy on Write marker */
-+
- #define EXT4_FL_USER_VISIBLE 0x000BDFFF /* User visible flags */
- #define EXT4_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
+ #define EXT4_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */
+@@ -671,7 +674,7 @@ struct ext4_inode {
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+ __le16 l_i_checksum_lo;/* crc32c(uuid+inum+inode) LE */
+- __le16 l_i_reserved;
++ __le16 l_i_tag; /* Context Tag */
+ } linux2;
+ struct {
+ __le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
+@@ -791,6 +794,7 @@ do { \
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_checksum_lo osd2.linux2.l_i_checksum_lo
-@@ -569,6 +573,7 @@ do { \
- #define EXT4_MOUNT_I_VERSION 0x2000000 /* i_version support */
- #define EXT4_MOUNT_MBALLOC 0x4000000 /* Buddy allocation support */
- #define EXT4_MOUNT_DELALLOC 0x8000000 /* Delalloc support */
-+#define EXT4_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
- /* Compatibility, for having both ext2_fs.h and ext4_fs.h included at once */
- #ifndef _LINUX_EXT2_FS_H
- #define clear_opt(o, opt) o &= ~EXT4_MOUNT_##opt
-@@ -1089,6 +1094,7 @@ int ext4_get_blocks_handle(handle_t *han
- ext4_lblk_t iblock, unsigned long maxblocks,
- struct buffer_head *bh_result,
- int create, int extend_disksize);
-+extern int ext4_sync_flags(struct inode *inode);
-
- extern struct inode *ext4_iget(struct super_block *, unsigned long);
- extern int ext4_write_inode (struct inode *, int);
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/file.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/file.c
---- linux-2.6.27.33/fs/ext4/file.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/file.c 2009-06-15 17:22:10.000000000 +0200
-@@ -175,5 +175,6 @@ const struct inode_operations ext4_file_
- #endif
- .permission = ext4_permission,
- .fallocate = ext4_fallocate,
+ #elif defined(__GNU__)
+@@ -980,6 +984,7 @@ struct ext4_inode_info {
+ #define EXT4_MOUNT_POSIX_ACL 0x08000 /* POSIX Access Control Lists */
+ #define EXT4_MOUNT_NO_AUTO_DA_ALLOC 0x10000 /* No auto delalloc mapping */
+ #define EXT4_MOUNT_BARRIER 0x20000 /* Use block barriers */
++#define EXT4_MOUNT_TAGGED 0x40000 /* Enable Context Tags */
+ #define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */
+ #define EXT4_MOUNT_USRQUOTA 0x100000 /* "old" user quota */
+ #define EXT4_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
+@@ -2644,6 +2649,7 @@ extern struct buffer_head *ext4_get_firs
+ extern int ext4_inline_data_fiemap(struct inode *inode,
+ struct fiemap_extent_info *fieinfo,
+ int *has_inline);
++extern int ext4_sync_flags(struct inode *, int, int);
+ extern int ext4_try_to_evict_inline_data(handle_t *handle,
+ struct inode *inode,
+ int needed);
+diff -NurpP --minimal linux-3.18.5/fs/ext4/file.c linux-3.18.5-vs2.3.7.3/fs/ext4/file.c
+--- linux-3.18.5/fs/ext4/file.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext4/file.c 2015-01-19 10:57:47.000000000 +0000
+@@ -610,5 +610,6 @@ const struct inode_operations ext4_file_
+ .get_acl = ext4_get_acl,
+ .set_acl = ext4_set_acl,
+ .fiemap = ext4_fiemap,
+ .sync_flags = ext4_sync_flags,
};
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/ialloc.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/ialloc.c
---- linux-2.6.27.33/fs/ext4/ialloc.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/ialloc.c 2009-06-15 17:22:10.000000000 +0200
-@@ -22,6 +22,8 @@
+diff -NurpP --minimal linux-3.18.5/fs/ext4/ialloc.c linux-3.18.5-vs2.3.7.3/fs/ext4/ialloc.c
+--- linux-3.18.5/fs/ext4/ialloc.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext4/ialloc.c 2015-01-19 10:57:47.000000000 +0000
+@@ -22,6 +22,7 @@
#include <linux/random.h>
#include <linux/bitops.h>
#include <linux/blkdev.h>
-+#include <linux/vs_dlimit.h>
+#include <linux/vs_tag.h>
#include <asm/byteorder.h>
- #include "ext4.h"
- #include "ext4_jbd2.h"
-@@ -218,6 +220,7 @@ void ext4_free_inode (handle_t *handle,
- ext4_xattr_delete_inode(handle, inode);
- DQUOT_FREE_INODE(inode);
- DQUOT_DROP(inode);
-+ DLIMIT_FREE_INODE(inode);
-
- is_directory = S_ISDIR(inode->i_mode);
-
-@@ -698,6 +701,12 @@ struct inode *ext4_new_inode(handle_t *h
- inode = new_inode(sb);
- if (!inode)
- return ERR_PTR(-ENOMEM);
-+
-+ inode->i_tag = dx_current_fstag(sb);
-+ if (DLIMIT_ALLOC_INODE(inode)) {
-+ err = -ENOSPC;
-+ goto out_dlimit;
-+ }
- ei = EXT4_I(inode);
- sbi = EXT4_SB(sb);
-@@ -866,12 +875,17 @@ got:
- ei->i_disksize = 0;
-
- /*
-- * Don't inherit extent flag from directory, amongst others. We set
-- * extent flag on newly created directory and file only if -o extent
-- * mount option is specified
-+ * Don't inherit extent flag from directory. We set extent flag on
-+ * newly created directory and file only if -o extent mount option is
-+ * specified
- */
-- ei->i_flags =
-- ext4_mask_flags(mode, EXT4_I(dir)->i_flags & EXT4_FL_INHERITED);
-+ ei->i_flags = EXT4_I(dir)->i_flags &
-+ ~(EXT4_INDEX_FL|EXT4_EXTENTS_FL|EXT4_IXUNLINK_FL|EXT4_BARRIER_FL);
-+ if (S_ISLNK(mode))
-+ ei->i_flags &= ~(EXT4_IMMUTABLE_FL|EXT4_APPEND_FL);
-+ /* dirsync only applies to directories */
-+ if (!S_ISDIR(mode))
-+ ei->i_flags &= ~EXT4_DIRSYNC_FL;
- ei->i_file_acl = 0;
- ei->i_dtime = 0;
- ei->i_block_alloc_info = NULL;
-@@ -922,6 +936,8 @@ got:
- fail:
- ext4_std_error(sb, err);
- out:
-+ DLIMIT_FREE_INODE(inode);
-+out_dlimit:
- iput(inode);
- ret = ERR_PTR(err);
- really_out:
-@@ -933,6 +949,7 @@ fail_free_drop:
-
- fail_drop:
- DQUOT_DROP(inode);
-+ DLIMIT_FREE_INODE(inode);
- inode->i_flags |= S_NOQUOTA;
- inode->i_nlink = 0;
- iput(inode);
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/inode.c
---- linux-2.6.27.33/fs/ext4/inode.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/inode.c 2009-06-15 17:22:10.000000000 +0200
-@@ -36,6 +36,7 @@
- #include <linux/mpage.h>
- #include <linux/uio.h>
- #include <linux/bio.h>
+ #include "ext4.h"
+@@ -754,6 +755,7 @@ struct inode *__ext4_new_inode(handle_t
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ i_tag_write(inode, dx_current_fstag(sb));
+ } else
+ inode_init_owner(inode, dir, mode);
+ dquot_initialize(inode);
+diff -NurpP --minimal linux-3.18.5/fs/ext4/inode.c linux-3.18.5-vs2.3.7.3/fs/ext4/inode.c
+--- linux-3.18.5/fs/ext4/inode.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext4/inode.c 2015-01-19 12:50:18.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <linux/ratelimit.h>
+ #include <linux/aio.h>
+ #include <linux/bitops.h>
+#include <linux/vs_tag.h>
+
#include "ext4_jbd2.h"
#include "xattr.h"
- #include "acl.h"
-@@ -3611,7 +3612,7 @@ static void ext4_free_branches(handle_t
-
- int ext4_can_truncate(struct inode *inode)
- {
-- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
-+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
- return 0;
- if (S_ISREG(inode->i_mode))
- return 1;
-@@ -3973,37 +3974,86 @@ void ext4_set_inode_flags(struct inode *
- {
+@@ -3811,42 +3812,66 @@ void ext4_set_inode_flags(struct inode *
unsigned int flags = EXT4_I(inode)->i_flags;
+ unsigned int new_fl = 0;
-- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
-+ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
-+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
-+
+ if (flags & EXT4_IMMUTABLE_FL)
-+ inode->i_flags |= S_IMMUTABLE;
++ new_fl |= S_IMMUTABLE;
+ if (flags & EXT4_IXUNLINK_FL)
-+ inode->i_flags |= S_IXUNLINK;
++ new_fl |= S_IXUNLINK;
+
if (flags & EXT4_SYNC_FL)
- inode->i_flags |= S_SYNC;
+ new_fl |= S_SYNC;
if (flags & EXT4_APPEND_FL)
- inode->i_flags |= S_APPEND;
+ new_fl |= S_APPEND;
- if (flags & EXT4_IMMUTABLE_FL)
-- inode->i_flags |= S_IMMUTABLE;
+- new_fl |= S_IMMUTABLE;
if (flags & EXT4_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
+ new_fl |= S_NOATIME;
if (flags & EXT4_DIRSYNC_FL)
- inode->i_flags |= S_DIRSYNC;
-+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
+ new_fl |= S_DIRSYNC;
+ inode_set_flags(inode, new_fl,
+- S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ S_IXUNLINK | S_IMMUTABLE |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
++ new_fl = 0;
+ if (flags & EXT4_BARRIER_FL)
-+ inode->i_vflags |= V_BARRIER;
++ new_fl |= V_BARRIER;
+ if (flags & EXT4_COW_FL)
-+ inode->i_vflags |= V_COW;
++ new_fl |= V_COW;
++
++ set_mask_bits(&inode->i_vflags,
++ V_BARRIER | V_COW, new_fl);
}
/* Propagate flags from i_flags to EXT4_I(inode)->i_flags */
void ext4_get_inode_flags(struct ext4_inode_info *ei)
{
- unsigned int flags = ei->vfs_inode.i_flags;
-+ unsigned int vflags = ei->vfs_inode.i_vflags;
-+
-+ ei->i_flags &= ~(EXT4_SYNC_FL | EXT4_APPEND_FL |
-+ EXT4_IMMUTABLE_FL | EXT4_IXUNLINK_FL |
-+ EXT4_NOATIME_FL | EXT4_DIRSYNC_FL |
-+ EXT4_BARRIER_FL | EXT4_COW_FL);
-+
-+ if (flags & S_IMMUTABLE)
-+ ei->i_flags |= EXT4_IMMUTABLE_FL;
-+ if (flags & S_IXUNLINK)
-+ ei->i_flags |= EXT4_IXUNLINK_FL;
+- unsigned int vfs_fl;
++ unsigned int vfs_fl, vfs_vf;
+ unsigned long old_fl, new_fl;
-- ei->i_flags &= ~(EXT4_SYNC_FL|EXT4_APPEND_FL|
-- EXT4_IMMUTABLE_FL|EXT4_NOATIME_FL|EXT4_DIRSYNC_FL);
- if (flags & S_SYNC)
- ei->i_flags |= EXT4_SYNC_FL;
- if (flags & S_APPEND)
- ei->i_flags |= EXT4_APPEND_FL;
-- if (flags & S_IMMUTABLE)
-- ei->i_flags |= EXT4_IMMUTABLE_FL;
- if (flags & S_NOATIME)
- ei->i_flags |= EXT4_NOATIME_FL;
- if (flags & S_DIRSYNC)
- ei->i_flags |= EXT4_DIRSYNC_FL;
-+
-+ if (vflags & V_BARRIER)
-+ ei->i_flags |= EXT4_BARRIER_FL;
-+ if (vflags & V_COW)
-+ ei->i_flags |= EXT4_COW_FL;
+ do {
+ vfs_fl = ei->vfs_inode.i_flags;
++ vfs_vf = ei->vfs_inode.i_vflags;
+ old_fl = ei->i_flags;
+ new_fl = old_fl & ~(EXT4_SYNC_FL|EXT4_APPEND_FL|
+ EXT4_IMMUTABLE_FL|EXT4_NOATIME_FL|
+- EXT4_DIRSYNC_FL);
++ EXT4_DIRSYNC_FL|EXT4_BARRIER_FL|
++ EXT4_COW_FL);
++
++ if (vfs_fl & S_IMMUTABLE)
++ new_fl |= EXT4_IMMUTABLE_FL;
++ if (vfs_fl & S_IXUNLINK)
++ new_fl |= EXT4_IXUNLINK_FL;
++
+ if (vfs_fl & S_SYNC)
+ new_fl |= EXT4_SYNC_FL;
+ if (vfs_fl & S_APPEND)
+ new_fl |= EXT4_APPEND_FL;
+- if (vfs_fl & S_IMMUTABLE)
+- new_fl |= EXT4_IMMUTABLE_FL;
+ if (vfs_fl & S_NOATIME)
+ new_fl |= EXT4_NOATIME_FL;
+ if (vfs_fl & S_DIRSYNC)
+ new_fl |= EXT4_DIRSYNC_FL;
++
++ if (vfs_vf & V_BARRIER)
++ new_fl |= EXT4_BARRIER_FL;
++ if (vfs_vf & V_COW)
++ new_fl |= EXT4_COW_FL;
+ } while (cmpxchg(&ei->i_flags, old_fl, new_fl) != old_fl);
}
-+
-+int ext4_sync_flags(struct inode *inode)
-+{
-+ struct ext4_iloc iloc;
-+ handle_t *handle;
-+ int err;
-+
-+ handle = ext4_journal_start(inode, 1);
-+ if (IS_ERR(handle))
-+ return PTR_ERR(handle);
-+ if (IS_SYNC(inode))
-+ handle->h_sync = 1;
-+ err = ext4_reserve_inode_write(handle, inode, &iloc);
-+ if (err)
-+ goto flags_err;
-+
-+ ext4_get_inode_flags(EXT4_I(inode));
-+ inode->i_ctime = CURRENT_TIME;
-+
-+ err = ext4_mark_iloc_dirty(handle, inode, &iloc);
-+flags_err:
-+ ext4_journal_stop(handle);
-+ return err;
-+}
-+
- static blkcnt_t ext4_inode_blocks(struct ext4_inode *raw_inode,
- struct ext4_inode_info *ei)
- {
-@@ -4036,6 +4086,8 @@ struct inode *ext4_iget(struct super_blo
- struct inode *inode;
- long ret;
- int block;
-+ uid_t uid;
-+ gid_t gid;
- inode = iget_locked(sb, ino);
- if (!inode)
-@@ -4056,12 +4108,17 @@ struct inode *ext4_iget(struct super_blo
- bh = iloc.bh;
- raw_inode = ext4_raw_inode(&iloc);
- inode->i_mode = le16_to_cpu(raw_inode->i_mode);
-- inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
-- inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
-+ uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
-+ gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
- if(!(test_opt (inode->i_sb, NO_UID32))) {
-- inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
-- inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
-+ uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
-+ gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+@@ -3950,8 +3975,10 @@ struct inode *ext4_iget(struct super_blo
+ i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+ i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
}
-+ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
-+ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
-+ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
-+ le16_to_cpu(raw_inode->i_raw_tag));
-+
- inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
-
- ei->i_state = 0;
-@@ -4253,6 +4310,8 @@ static int ext4_do_update_inode(handle_t
- struct ext4_inode *raw_inode = ext4_raw_inode(iloc);
- struct ext4_inode_info *ei = EXT4_I(inode);
- struct buffer_head *bh = iloc->bh;
-+ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
-+ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
- int err = 0, rc, block;
-
- /* For fields not not tracking in the in-memory inode,
-@@ -4263,29 +4322,32 @@ static int ext4_do_update_inode(handle_t
+- i_uid_write(inode, i_uid);
+- i_gid_write(inode, i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
++ le16_to_cpu(raw_inode->i_raw_tag)));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+
+ ext4_clear_state_flags(ei); /* Only relevant on 32-bit archs */
+@@ -4191,8 +4218,10 @@ static int ext4_do_update_inode(handle_t
+
ext4_get_inode_flags(ei);
raw_inode->i_mode = cpu_to_le16(inode->i_mode);
- if(!(test_opt(inode->i_sb, NO_UID32))) {
-- raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid));
-- raw_inode->i_gid_low = cpu_to_le16(low_16_bits(inode->i_gid));
-+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(uid));
-+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(gid));
- /*
- * Fix up interoperability with old kernels. Otherwise, old inodes get
- * re-used with the upper 16 bits of the uid/gid intact
- */
- if(!ei->i_dtime) {
- raw_inode->i_uid_high =
-- cpu_to_le16(high_16_bits(inode->i_uid));
-+ cpu_to_le16(high_16_bits(uid));
- raw_inode->i_gid_high =
-- cpu_to_le16(high_16_bits(inode->i_gid));
-+ cpu_to_le16(high_16_bits(gid));
- } else {
- raw_inode->i_uid_high = 0;
- raw_inode->i_gid_high = 0;
- }
- } else {
- raw_inode->i_uid_low =
-- cpu_to_le16(fs_high2lowuid(inode->i_uid));
-+ cpu_to_le16(fs_high2lowuid(uid));
- raw_inode->i_gid_low =
-- cpu_to_le16(fs_high2lowgid(inode->i_gid));
-+ cpu_to_le16(fs_high2lowgid(gid));
+- i_uid = i_uid_read(inode);
+- i_gid = i_gid_read(inode);
++ i_uid = from_kuid(&init_user_ns,
++ TAGINO_KUID(DX_TAG(inode), inode->i_uid, inode->i_tag));
++ i_gid = from_kgid(&init_user_ns,
++ TAGINO_KGID(DX_TAG(inode), inode->i_gid, inode->i_tag));
+ if (!(test_opt(inode->i_sb, NO_UID32))) {
+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(i_uid));
+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
+@@ -4215,6 +4244,9 @@ static int ext4_do_update_inode(handle_t
raw_inode->i_uid_high = 0;
raw_inode->i_gid_high = 0;
}
+#ifdef CONFIG_TAGGING_INTERN
-+ raw_inode->i_raw_tag = cpu_to_le16(inode->i_tag);
++ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
+#endif
raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode);
-@@ -4449,7 +4511,8 @@ int ext4_setattr(struct dentry *dentry,
- return error;
-
- if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
-- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
-+ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) ||
-+ (ia_valid & ATTR_TAG && attr->ia_tag != inode->i_tag)) {
+@@ -4458,7 +4490,8 @@ int ext4_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, attr))
+ dquot_initialize(inode);
+ if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) ||
+- (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) {
++ (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid)) ||
++ (ia_valid & ATTR_TAG && !tag_eq(attr->ia_tag, inode->i_tag))) {
handle_t *handle;
/* (user+group)*(old+new) structure, inode write (sb,
-@@ -4471,6 +4534,8 @@ int ext4_setattr(struct dentry *dentry,
+@@ -4481,6 +4514,8 @@ int ext4_setattr(struct dentry *dentry,
inode->i_uid = attr->ia_uid;
if (attr->ia_valid & ATTR_GID)
inode->i_gid = attr->ia_gid;
error = ext4_mark_inode_dirty(handle, inode);
ext4_journal_stop(handle);
}
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/ioctl.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/ioctl.c
---- linux-2.6.27.33/fs/ext4/ioctl.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/ioctl.c 2009-06-15 17:24:03.000000000 +0200
-@@ -8,12 +8,14 @@
- */
-
- #include <linux/fs.h>
-+#include <linux/mount.h>
- #include <linux/jbd2.h>
- #include <linux/capability.h>
- #include <linux/time.h>
+diff -NurpP --minimal linux-3.18.5/fs/ext4/ioctl.c linux-3.18.5-vs2.3.7.3/fs/ext4/ioctl.c
+--- linux-3.18.5/fs/ext4/ioctl.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext4/ioctl.c 2015-01-19 10:57:47.000000000 +0000
+@@ -14,6 +14,7 @@
#include <linux/compat.h>
- #include <linux/smp_lock.h>
#include <linux/mount.h>
+ #include <linux/file.h>
+#include <linux/vs_tag.h>
#include <asm/uaccess.h>
#include "ext4_jbd2.h"
#include "ext4.h"
-@@ -49,6 +51,11 @@ long ext4_ioctl(struct file *filp, unsig
- if (err)
- return err;
+@@ -198,6 +199,33 @@ journal_err_out:
+ return err;
+ }
+
++int ext4_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ handle_t *handle = NULL;
++ struct ext4_iloc iloc;
++ int err;
++
++ handle = ext4_journal_start(inode, EXT4_HT_INODE, 1);
++ if (IS_ERR(handle))
++ return PTR_ERR(handle);
++
++ if (IS_SYNC(inode))
++ ext4_handle_sync(handle);
++ err = ext4_reserve_inode_write(handle, inode, &iloc);
++ if (err)
++ goto flags_err;
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext4_get_inode_flags(EXT4_I(inode));
++ inode->i_ctime = ext4_current_time(inode);
++
++ err = ext4_mark_iloc_dirty(handle, inode, &iloc);
++flags_err:
++ ext4_journal_stop(handle);
++ return err;
++}
++
+ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = file_inode(filp);
+@@ -231,6 +259,11 @@ long ext4_ioctl(struct file *filp, unsig
+
+ flags = ext4_mask_flags(inode->i_mode, flags);
+ if (IS_BARRIER(inode)) {
+ vxwprintk_task(1, "messing with the barrier.");
+ return -EACCES;
+ }
+
- flags = ext4_mask_flags(inode->i_mode, flags);
-
err = -EPERM;
-@@ -68,7 +75,9 @@ long ext4_ioctl(struct file *filp, unsig
+ mutex_lock(&inode->i_mutex);
+ /* Is it quota file? Do not allow user to mess with it */
+@@ -248,7 +281,9 @@ long ext4_ioctl(struct file *filp, unsig
*
* This test looks nicer. Thanks to Pauline Middelink
*/
if (!capable(CAP_LINUX_IMMUTABLE))
goto flags_out;
}
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/namei.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/namei.c
---- linux-2.6.27.33/fs/ext4/namei.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/namei.c 2009-06-15 17:22:10.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/fs/ext4/namei.c linux-3.18.5-vs2.3.7.3/fs/ext4/namei.c
+--- linux-3.18.5/fs/ext4/namei.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext4/namei.c 2015-01-19 10:57:47.000000000 +0000
@@ -34,6 +34,7 @@
#include <linux/quotaops.h>
#include <linux/buffer_head.h>
#include "ext4.h"
#include "ext4_jbd2.h"
-@@ -919,6 +920,7 @@ restart:
- if (bh)
- ll_rw_block(READ_META, 1, &bh);
+@@ -1279,6 +1280,7 @@ restart:
+ ll_rw_block(READ | REQ_META | REQ_PRIO,
+ 1, &bh);
}
+ dx_propagate_tag(nd, inode);
}
if ((bh = bh_use[ra_ptr++]) == NULL)
goto next;
-@@ -2487,6 +2489,7 @@ const struct inode_operations ext4_dir_i
- .removexattr = generic_removexattr,
- #endif
- .permission = ext4_permission,
+@@ -3539,6 +3541,7 @@ const struct inode_operations ext4_dir_i
+ .get_acl = ext4_get_acl,
+ .set_acl = ext4_set_acl,
+ .fiemap = ext4_fiemap,
+ .sync_flags = ext4_sync_flags,
};
const struct inode_operations ext4_special_inode_operations = {
-@@ -2498,4 +2501,5 @@ const struct inode_operations ext4_speci
- .removexattr = generic_removexattr,
- #endif
- .permission = ext4_permission,
-+ .sync_flags = ext4_sync_flags,
- };
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/super.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/super.c
---- linux-2.6.27.33/fs/ext4/super.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/super.c 2009-03-25 14:32:29.000000000 +0100
-@@ -907,6 +907,7 @@ enum {
- Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
- Opt_grpquota, Opt_extents, Opt_noextents, Opt_i_version,
- Opt_mballoc, Opt_nomballoc, Opt_stripe, Opt_delalloc, Opt_nodelalloc,
-+ Opt_tag, Opt_notag, Opt_tagid
+diff -NurpP --minimal linux-3.18.5/fs/ext4/super.c linux-3.18.5-vs2.3.7.3/fs/ext4/super.c
+--- linux-3.18.5/fs/ext4/super.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ext4/super.c 2015-01-19 10:57:47.000000000 +0000
+@@ -1146,7 +1146,7 @@ enum {
+ Opt_inode_readahead_blks, Opt_journal_ioprio,
+ Opt_dioread_nolock, Opt_dioread_lock,
+ Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
+- Opt_max_dir_size_kb,
++ Opt_max_dir_size_kb, Opt_tag, Opt_notag, Opt_tagid
};
- static match_table_t tokens = {
-@@ -967,6 +968,9 @@ static match_table_t tokens = {
- {Opt_resize, "resize"},
- {Opt_delalloc, "delalloc"},
- {Opt_nodelalloc, "nodelalloc"},
+ static const match_table_t tokens = {
+@@ -1227,6 +1227,9 @@ static const match_table_t tokens = {
+ {Opt_removed, "reservation"}, /* mount option from ext2/3 */
+ {Opt_removed, "noreservation"}, /* mount option from ext2/3 */
+ {Opt_removed, "journal=%u"}, /* mount option from ext2/3 */
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
{Opt_err, NULL},
};
-@@ -1060,6 +1064,20 @@ static int parse_options(char *options,
- case Opt_nouid32:
- set_opt(sbi->s_mount_opt, NO_UID32);
- break;
+@@ -1459,6 +1462,20 @@ static int handle_mount_opt(struct super
+ case Opt_i_version:
+ sb->s_flags |= MS_I_VERSION;
+ return 1;
+#ifndef CONFIG_TAGGING_NONE
-+ case Opt_tag:
-+ set_opt (sbi->s_mount_opt, TAGGED);
-+ break;
-+ case Opt_notag:
-+ clear_opt (sbi->s_mount_opt, TAGGED);
-+ break;
++ case Opt_tag:
++ set_opt(sb, TAGGED);
++ return 1;
++ case Opt_notag:
++ clear_opt(sb, TAGGED);
++ return 1;
+#endif
+#ifdef CONFIG_PROPAGATE
-+ case Opt_tagid:
-+ /* use args[0] */
-+ set_opt (sbi->s_mount_opt, TAGGED);
-+ break;
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt(sb, TAGGED);
++ return 1;
+#endif
- case Opt_nocheck:
- clear_opt(sbi->s_mount_opt, CHECK);
- break;
-@@ -2029,6 +2047,9 @@ static int ext4_fill_super(struct super_
- NULL, 0))
- goto failed_mount;
+ }
+
+ for (m = ext4_mount_opts; m->token != Opt_err; m++)
+@@ -3600,6 +3617,9 @@ static int ext4_fill_super(struct super_
+ clear_opt(sb, DELALLOC);
+ }
+ if (EXT4_SB(sb)->s_mount_opt & EXT4_MOUNT_TAGGED)
+ sb->s_flags |= MS_TAGGED;
+
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
- ((sbi->s_mount_opt & EXT4_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-@@ -3033,6 +3054,13 @@ static int ext4_remount(struct super_blo
- if (sbi->s_mount_opt & EXT4_MOUNT_ABORT)
- ext4_abort(sb, __func__, "Abort forced by user");
+@@ -4872,6 +4892,14 @@ static int ext4_remount(struct super_blo
+ if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
+ ext4_abort(sb, "Abort forced by user");
+ if ((sbi->s_mount_opt & EXT4_MOUNT_TAGGED) &&
+ !(sb->s_flags & MS_TAGGED)) {
+ printk("EXT4-fs: %s: tagging not permitted on remount.\n",
+ sb->s_id);
-+ return -EINVAL;
++ err = -EINVAL;
++ goto restore_opts;
+ }
+
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
- ((sbi->s_mount_opt & EXT4_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
-
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/symlink.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/symlink.c
---- linux-2.6.27.33/fs/ext4/symlink.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/symlink.c 2008-10-13 14:54:20.000000000 +0200
-@@ -40,6 +40,7 @@ const struct inode_operations ext4_symli
- .listxattr = ext4_listxattr,
- .removexattr = generic_removexattr,
- #endif
-+ .sync_flags = ext4_sync_flags,
- };
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
- const struct inode_operations ext4_fast_symlink_inode_operations = {
-@@ -51,4 +52,5 @@ const struct inode_operations ext4_fast_
- .listxattr = ext4_listxattr,
- .removexattr = generic_removexattr,
- #endif
-+ .sync_flags = ext4_sync_flags,
- };
-diff -NurpP --minimal linux-2.6.27.33/fs/ext4/xattr.c linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/xattr.c
---- linux-2.6.27.33/fs/ext4/xattr.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ext4/xattr.c 2009-02-03 17:59:04.000000000 +0100
-@@ -56,6 +56,7 @@
- #include <linux/mbcache.h>
- #include <linux/quotaops.h>
- #include <linux/rwsem.h>
-+#include <linux/vs_dlimit.h>
- #include "ext4_jbd2.h"
- #include "ext4.h"
- #include "xattr.h"
-@@ -490,6 +491,7 @@ ext4_xattr_release_block(handle_t *handl
- error = ext4_journal_dirty_metadata(handle, bh);
- if (IS_SYNC(inode))
- handle->h_sync = 1;
-+ DLIMIT_FREE_BLOCK(inode, 1);
- DQUOT_FREE_BLOCK(inode, 1);
- ea_bdebug(bh, "refcount now=%d; releasing",
- le32_to_cpu(BHDR(bh)->h_refcount));
-@@ -780,11 +782,14 @@ inserted:
- if (new_bh == bs->bh)
- ea_bdebug(new_bh, "keeping");
- else {
-+ error = -ENOSPC;
-+ if (DLIMIT_ALLOC_BLOCK(inode, 1))
-+ goto cleanup;
- /* The old block is released after updating
- the inode. */
- error = -EDQUOT;
- if (DQUOT_ALLOC_BLOCK(inode, 1))
-- goto cleanup;
-+ goto cleanup_dlimit;
- error = ext4_journal_get_write_access(handle,
- new_bh);
- if (error)
-@@ -858,6 +863,8 @@ cleanup:
-
- cleanup_dquot:
- DQUOT_FREE_BLOCK(inode, 1);
-+cleanup_dlimit:
-+ DLIMIT_FREE_BLOCK(inode, 1);
- goto cleanup;
-
- bad_block:
-diff -NurpP --minimal linux-2.6.27.33/fs/fcntl.c linux-2.6.27.33-vs2.3.0.36.6/fs/fcntl.c
---- linux-2.6.27.33/fs/fcntl.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/fcntl.c 2009-05-22 00:47:30.000000000 +0200
-@@ -20,6 +20,7 @@
- #include <linux/rcupdate.h>
+diff -NurpP --minimal linux-3.18.5/fs/fcntl.c linux-3.18.5-vs2.3.7.3/fs/fcntl.c
+--- linux-3.18.5/fs/fcntl.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/fcntl.c 2015-01-19 11:48:08.000000000 +0000
+@@ -22,6 +22,7 @@
#include <linux/pid_namespace.h>
- #include <linux/smp_lock.h>
+ #include <linux/user_namespace.h>
+ #include <linux/shmem_fs.h>
+#include <linux/vs_limit.h>
#include <asm/poll.h>
#include <asm/siginfo.h>
-@@ -103,6 +104,8 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldf
-
- if (tofree)
- filp_close(tofree, files);
-+ else
-+ vx_openfd_inc(newfd); /* fd was unused */
-
- return newfd;
+@@ -385,6 +386,8 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, f
-@@ -344,6 +347,8 @@ SYSCALL_DEFINE3(fcntl, unsigned int, fd,
- filp = fget(fd);
- if (!filp)
+ if (!f.file)
goto out;
+ if (!vx_files_avail(1))
+ goto out;
- err = security_file_fcntl(filp, cmd, arg);
- if (err) {
-diff -NurpP --minimal linux-2.6.27.33/fs/file.c linux-2.6.27.33-vs2.3.0.36.6/fs/file.c
---- linux-2.6.27.33/fs/file.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/file.c 2008-10-24 04:44:48.000000000 +0200
-@@ -19,6 +19,7 @@
+ if (unlikely(f.file->f_mode & FMODE_PATH)) {
+ if (!check_fcntl_cmd(cmd))
+diff -NurpP --minimal linux-3.18.5/fs/file.c linux-3.18.5-vs2.3.7.3/fs/file.c
+--- linux-3.18.5/fs/file.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/file.c 2015-01-19 10:57:47.000000000 +0000
+@@ -22,6 +22,7 @@
#include <linux/spinlock.h>
#include <linux/rcupdate.h>
#include <linux/workqueue.h>
+#include <linux/vs_limit.h>
- struct fdtable_defer {
- spinlock_t lock;
-@@ -367,6 +368,8 @@ struct files_struct *dup_fd(struct files
+ int sysctl_nr_open __read_mostly = 1024*1024;
+ int sysctl_nr_open_min = BITS_PER_LONG;
+@@ -309,6 +310,8 @@ struct files_struct *dup_fd(struct files
struct file *f = *old_fds++;
if (f) {
get_file(f);
} else {
/*
* The fd may be claimed in the fd bitmap but not yet
-@@ -475,6 +478,7 @@ repeat:
+@@ -369,9 +372,11 @@ static struct fdtable *close_files(struc
+ filp_close(file, files);
+ cond_resched_rcu_qs();
+ }
++ vx_openfd_dec(i);
+ }
+ i++;
+ set >>= 1;
++ cond_resched();
+ }
+ }
+
+@@ -487,6 +492,7 @@ repeat:
else
- FD_CLR(fd, fdt->close_on_exec);
+ __clear_close_on_exec(fd, fdt);
error = fd;
+ vx_openfd_inc(fd);
#if 1
/* Sanity check */
- if (rcu_dereference(fdt->fd[fd]) != NULL) {
-diff -NurpP --minimal linux-2.6.27.33/fs/file_table.c linux-2.6.27.33-vs2.3.0.36.6/fs/file_table.c
---- linux-2.6.27.33/fs/file_table.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/file_table.c 2008-10-13 14:54:20.000000000 +0200
-@@ -21,6 +21,8 @@
- #include <linux/fsnotify.h>
- #include <linux/sysctl.h>
- #include <linux/percpu_counter.h>
+ if (rcu_access_pointer(fdt->fd[fd]) != NULL) {
+@@ -517,6 +523,7 @@ static void __put_unused_fd(struct files
+ __clear_open_fd(fd, fdt);
+ if (fd < files->next_fd)
+ files->next_fd = fd;
++ vx_openfd_dec(fd);
+ }
+
+ void put_unused_fd(unsigned int fd)
+@@ -784,6 +791,8 @@ __releases(&files->file_lock)
+
+ if (tofree)
+ filp_close(tofree, files);
++ else
++ vx_openfd_inc(fd); /* fd was unused */
+
+ return fd;
+
+diff -NurpP --minimal linux-3.18.5/fs/file_table.c linux-3.18.5-vs2.3.7.3/fs/file_table.c
+--- linux-3.18.5/fs/file_table.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/file_table.c 2015-01-19 12:36:42.000000000 +0000
+@@ -26,6 +26,8 @@
+ #include <linux/hardirq.h>
+ #include <linux/task_work.h>
+ #include <linux/ima.h>
+#include <linux/vs_limit.h>
+#include <linux/vs_context.h>
- #include <asm/atomic.h>
+ #include <linux/atomic.h>
-@@ -126,6 +128,8 @@ struct file *get_empty_filp(void)
- f->f_gid = tsk->fsgid;
+@@ -137,6 +139,8 @@ struct file *get_empty_filp(void)
+ mutex_init(&f->f_pos_lock);
eventpoll_init_file(f);
/* f->f_version: 0 */
+ f->f_xid = vx_current_xid();
return f;
over:
-@@ -276,6 +280,8 @@ void __fput(struct file *file)
- cdev_put(inode->i_cdev);
- fops_put(file->f_op);
- put_pid(file->f_owner.pid);
+@@ -219,6 +223,8 @@ static void __fput(struct file *file)
+ put_write_access(inode);
+ __mnt_drop_write(mnt);
+ }
+ vx_files_dec(file);
+ file->f_xid = 0;
- file_kill(file);
- if (file->f_mode & FMODE_WRITE)
- drop_file_write_access(file);
-@@ -343,6 +349,8 @@ void put_filp(struct file *file)
+ file->f_path.dentry = NULL;
+ file->f_path.mnt = NULL;
+ file->f_inode = NULL;
+@@ -305,6 +311,8 @@ void put_filp(struct file *file)
{
if (atomic_long_dec_and_test(&file->f_count)) {
security_file_free(file);
+ vx_files_dec(file);
+ file->f_xid = 0;
- file_kill(file);
file_free(file);
}
-diff -NurpP --minimal linux-2.6.27.33/fs/hfsplus/ioctl.c linux-2.6.27.33-vs2.3.0.36.6/fs/hfsplus/ioctl.c
---- linux-2.6.27.33/fs/hfsplus/ioctl.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/hfsplus/ioctl.c 2008-10-13 14:54:20.000000000 +0200
-@@ -17,6 +17,7 @@
- #include <linux/mount.h>
- #include <linux/sched.h>
- #include <linux/xattr.h>
-+#include <linux/mount.h>
- #include <asm/uaccess.h>
- #include "hfsplus_fs.h"
-
-diff -NurpP --minimal linux-2.6.27.33/fs/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/inode.c
---- linux-2.6.27.33/fs/inode.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/inode.c 2009-03-25 14:32:29.000000000 +0100
-@@ -124,6 +124,9 @@ static struct inode *alloc_inode(struct
- struct address_space * const mapping = &inode->i_data;
-
- inode->i_sb = sb;
-+
-+ /* essential because of inode slab reuse */
-+ inode->i_tag = 0;
- inode->i_blkbits = sb->s_blocksize_bits;
- inode->i_flags = 0;
- atomic_set(&inode->i_count, 1);
-@@ -142,6 +145,7 @@ static struct inode *alloc_inode(struct
- inode->i_bdev = NULL;
- inode->i_cdev = NULL;
- inode->i_rdev = 0;
-+ inode->i_mdev = 0;
- inode->dirtied_when = 0;
- if (security_inode_alloc(inode)) {
- if (inode->i_sb->s_op->destroy_inode)
-@@ -247,6 +251,8 @@ void __iget(struct inode * inode)
- inodes_stat.nr_unused--;
}
+diff -NurpP --minimal linux-3.18.5/fs/fs_struct.c linux-3.18.5-vs2.3.7.3/fs/fs_struct.c
+--- linux-3.18.5/fs/fs_struct.c 2014-01-22 20:39:06.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/fs_struct.c 2015-01-19 10:57:47.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/path.h>
+ #include <linux/slab.h>
+ #include <linux/fs_struct.h>
++#include <linux/vserver/global.h>
+ #include "internal.h"
+
+ /*
+@@ -87,6 +88,7 @@ void free_fs_struct(struct fs_struct *fs
+ {
+ path_put(&fs->root);
+ path_put(&fs->pwd);
++ atomic_dec(&vs_global_fs);
+ kmem_cache_free(fs_cachep, fs);
+ }
+
+@@ -124,6 +126,7 @@ struct fs_struct *copy_fs_struct(struct
+ fs->pwd = old->pwd;
+ path_get(&fs->pwd);
+ spin_unlock(&old->lock);
++ atomic_inc(&vs_global_fs);
+ }
+ return fs;
+ }
+diff -NurpP --minimal linux-3.18.5/fs/gfs2/file.c linux-3.18.5-vs2.3.7.3/fs/gfs2/file.c
+--- linux-3.18.5/fs/gfs2/file.c 2015-01-17 02:40:17.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/gfs2/file.c 2015-01-19 10:57:47.000000000 +0000
+@@ -138,6 +138,9 @@ static const u32 fsflags_to_gfs2[32] = {
+ [12] = GFS2_DIF_EXHASH,
+ [14] = GFS2_DIF_INHERIT_JDATA,
+ [17] = GFS2_DIF_TOPDIR,
++ [27] = GFS2_DIF_IXUNLINK,
++ [26] = GFS2_DIF_BARRIER,
++ [29] = GFS2_DIF_COW,
+ };
+
+ static const u32 gfs2_to_fsflags[32] = {
+@@ -148,6 +151,9 @@ static const u32 gfs2_to_fsflags[32] = {
+ [gfs2fl_ExHash] = FS_INDEX_FL,
+ [gfs2fl_TopLevel] = FS_TOPDIR_FL,
+ [gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL,
++ [gfs2fl_IXUnlink] = FS_IXUNLINK_FL,
++ [gfs2fl_Barrier] = FS_BARRIER_FL,
++ [gfs2fl_Cow] = FS_COW_FL,
+ };
+
+ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
+@@ -178,12 +184,18 @@ void gfs2_set_inode_flags(struct inode *
+ {
+ struct gfs2_inode *ip = GFS2_I(inode);
+ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC | S_NOSEC);
+
+- flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_NOSEC);
+ if ((ip->i_eattr == 0) && !is_sxid(inode->i_mode))
+ inode->i_flags |= S_NOSEC;
+ if (ip->i_diskflags & GFS2_DIF_IMMUTABLE)
+ flags |= S_IMMUTABLE;
++ if (ip->i_diskflags & GFS2_DIF_IXUNLINK)
++ flags |= S_IXUNLINK;
++
+ if (ip->i_diskflags & GFS2_DIF_APPENDONLY)
+ flags |= S_APPEND;
+ if (ip->i_diskflags & GFS2_DIF_NOATIME)
+@@ -191,6 +203,43 @@ void gfs2_set_inode_flags(struct inode *
+ if (ip->i_diskflags & GFS2_DIF_SYNC)
+ flags |= S_SYNC;
+ inode->i_flags = flags;
++
++ vflags &= ~(V_BARRIER | V_COW);
++
++ if (ip->i_diskflags & GFS2_DIF_BARRIER)
++ vflags |= V_BARRIER;
++ if (ip->i_diskflags & GFS2_DIF_COW)
++ vflags |= V_COW;
++ inode->i_vflags = vflags;
++}
++
++void gfs2_get_inode_flags(struct inode *inode)
++{
++ struct gfs2_inode *ip = GFS2_I(inode);
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ ip->i_diskflags &= ~(GFS2_DIF_APPENDONLY |
++ GFS2_DIF_NOATIME | GFS2_DIF_SYNC |
++ GFS2_DIF_IMMUTABLE | GFS2_DIF_IXUNLINK |
++ GFS2_DIF_BARRIER | GFS2_DIF_COW);
++
++ if (flags & S_IMMUTABLE)
++ ip->i_diskflags |= GFS2_DIF_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->i_diskflags |= GFS2_DIF_IXUNLINK;
++
++ if (flags & S_APPEND)
++ ip->i_diskflags |= GFS2_DIF_APPENDONLY;
++ if (flags & S_NOATIME)
++ ip->i_diskflags |= GFS2_DIF_NOATIME;
++ if (flags & S_SYNC)
++ ip->i_diskflags |= GFS2_DIF_SYNC;
++
++ if (vflags & V_BARRIER)
++ ip->i_diskflags |= GFS2_DIF_BARRIER;
++ if (vflags & V_COW)
++ ip->i_diskflags |= GFS2_DIF_COW;
+ }
+
+ /* Flags that can be set by user space */
+@@ -304,6 +353,37 @@ static int gfs2_set_flags(struct file *f
+ return do_gfs2_set_flags(filp, gfsflags, ~GFS2_DIF_JDATA);
+ }
+
++int gfs2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct gfs2_inode *ip = GFS2_I(inode);
++ struct gfs2_sbd *sdp = GFS2_SB(inode);
++ struct buffer_head *bh;
++ struct gfs2_holder gh;
++ int error;
++
++ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
++ if (error)
++ return error;
++ error = gfs2_trans_begin(sdp, RES_DINODE, 0);
++ if (error)
++ goto out;
++ error = gfs2_meta_inode_buffer(ip, &bh);
++ if (error)
++ goto out_trans_end;
++ gfs2_trans_add_meta(ip->i_gl, bh);
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ gfs2_get_inode_flags(inode);
++ gfs2_dinode_out(ip, bh->b_data);
++ brelse(bh);
++ gfs2_set_aops(inode);
++out_trans_end:
++ gfs2_trans_end(sdp);
++out:
++ gfs2_glock_dq_uninit(&gh);
++ return error;
++}
++
+ static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ switch(cmd) {
+diff -NurpP --minimal linux-3.18.5/fs/gfs2/inode.h linux-3.18.5-vs2.3.7.3/fs/gfs2/inode.h
+--- linux-3.18.5/fs/gfs2/inode.h 2013-11-25 15:45:01.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/gfs2/inode.h 2015-01-19 10:57:47.000000000 +0000
+@@ -118,6 +118,7 @@ extern const struct file_operations gfs2
+ extern const struct file_operations gfs2_dir_fops_nolock;
+
+ extern void gfs2_set_inode_flags(struct inode *inode);
++extern int gfs2_sync_flags(struct inode *inode, int flags, int vflags);
+
+ #ifdef CONFIG_GFS2_FS_LOCKING_DLM
+ extern const struct file_operations gfs2_file_fops;
+diff -NurpP --minimal linux-3.18.5/fs/hostfs/hostfs.h linux-3.18.5-vs2.3.7.3/fs/hostfs/hostfs.h
+--- linux-3.18.5/fs/hostfs/hostfs.h 2015-01-16 22:19:18.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/hostfs/hostfs.h 2015-01-19 10:57:47.000000000 +0000
+@@ -42,6 +42,7 @@ struct hostfs_iattr {
+ unsigned short ia_mode;
+ uid_t ia_uid;
+ gid_t ia_gid;
++ vtag_t ia_tag;
+ loff_t ia_size;
+ struct timespec ia_atime;
+ struct timespec ia_mtime;
+diff -NurpP --minimal linux-3.18.5/fs/inode.c linux-3.18.5-vs2.3.7.3/fs/inode.c
+--- linux-3.18.5/fs/inode.c 2015-01-16 22:19:18.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/inode.c 2015-01-19 10:57:47.000000000 +0000
+@@ -18,6 +18,7 @@
+ #include <linux/buffer_head.h> /* for inode_has_buffers */
+ #include <linux/ratelimit.h>
+ #include <linux/list_lru.h>
++#include <linux/vs_tag.h>
+ #include "internal.h"
+
+ /*
+@@ -129,6 +130,8 @@ int inode_init_always(struct super_block
+ struct address_space *const mapping = &inode->i_data;
+
+ inode->i_sb = sb;
++
++ /* essential because of inode slab reuse */
+ inode->i_blkbits = sb->s_blocksize_bits;
+ inode->i_flags = 0;
+ atomic_set(&inode->i_count, 1);
+@@ -138,6 +141,7 @@ int inode_init_always(struct super_block
+ inode->i_opflags = 0;
+ i_uid_write(inode, 0);
+ i_gid_write(inode, 0);
++ i_tag_write(inode, 0);
+ atomic_set(&inode->i_writecount, 0);
+ inode->i_size = 0;
+ inode->i_blocks = 0;
+@@ -150,6 +154,7 @@ int inode_init_always(struct super_block
+ inode->i_bdev = NULL;
+ inode->i_cdev = NULL;
+ inode->i_rdev = 0;
++ inode->i_mdev = 0;
+ inode->dirtied_when = 0;
+
+ if (security_inode_alloc(inode))
+@@ -478,6 +483,8 @@ void __insert_inode_hash(struct inode *i
+ }
+ EXPORT_SYMBOL(__insert_inode_hash);
+EXPORT_SYMBOL_GPL(__iget);
+
/**
- * clear_inode - clear an inode
- * @inode: inode to clear
-@@ -1434,9 +1440,11 @@ void init_special_inode(struct inode *in
+ * __remove_inode_hash - remove an inode from the hash
+ * @inode: inode to unhash
+@@ -1795,9 +1802,11 @@ void init_special_inode(struct inode *in
if (S_ISCHR(mode)) {
inode->i_fop = &def_chr_fops;
inode->i_rdev = rdev;
inode->i_rdev = rdev;
+ inode->i_mdev = rdev;
} else if (S_ISFIFO(mode))
- inode->i_fop = &def_fifo_fops;
+ inode->i_fop = &pipefifo_fops;
else if (S_ISSOCK(mode))
-diff -NurpP --minimal linux-2.6.27.33/fs/ioctl.c linux-2.6.27.33-vs2.3.0.36.6/fs/ioctl.c
---- linux-2.6.27.33/fs/ioctl.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ioctl.c 2009-02-03 17:59:04.000000000 +0100
-@@ -13,6 +13,9 @@
- #include <linux/security.h>
- #include <linux/module.h>
- #include <linux/uaccess.h>
+@@ -1826,6 +1835,7 @@ void inode_init_owner(struct inode *inod
+ } else
+ inode->i_gid = current_fsgid();
+ inode->i_mode = mode;
++ i_tag_write(inode, dx_current_fstag(inode->i_sb));
+ }
+ EXPORT_SYMBOL(inode_init_owner);
+
+diff -NurpP --minimal linux-3.18.5/fs/ioctl.c linux-3.18.5-vs2.3.7.3/fs/ioctl.c
+--- linux-3.18.5/fs/ioctl.c 2014-01-22 20:39:06.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ioctl.c 2015-01-19 10:57:47.000000000 +0000
+@@ -15,6 +15,9 @@
+ #include <linux/writeback.h>
+ #include <linux/buffer_head.h>
+ #include <linux/falloc.h>
+#include <linux/proc_fs.h>
+#include <linux/vserver/inode.h>
+#include <linux/vs_tag.h>
#include <asm/ioctls.h>
-diff -NurpP --minimal linux-2.6.27.33/fs/ioprio.c linux-2.6.27.33-vs2.3.0.36.6/fs/ioprio.c
---- linux-2.6.27.33/fs/ioprio.c 2009-09-13 16:16:58.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ioprio.c 2009-02-03 17:59:04.000000000 +0100
-@@ -26,6 +26,7 @@
- #include <linux/syscalls.h>
- #include <linux/security.h>
- #include <linux/pid_namespace.h>
-+#include <linux/vs_base.h>
-
- static int set_task_ioprio(struct task_struct *task, int ioprio)
- {
-@@ -116,6 +117,8 @@ SYSCALL_DEFINE3(ioprio_set, int, which,
- else
- pgrp = find_vpid(who);
- do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
-+ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
-+ continue;
- ret = set_task_ioprio(p, ioprio);
- if (ret)
- break;
-@@ -205,6 +208,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which,
- else
- pgrp = find_vpid(who);
- do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
-+ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
-+ continue;
- tmpio = get_task_ioprio(p);
- if (tmpio < 0)
- continue;
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/acl.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/acl.c
---- linux-2.6.27.33/fs/jfs/acl.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/acl.c 2008-10-13 14:54:20.000000000 +0200
-@@ -232,7 +232,8 @@ int jfs_setattr(struct dentry *dentry, s
- return rc;
-
- if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
-- (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
-+ (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid) ||
-+ (iattr->ia_valid & ATTR_TAG && iattr->ia_tag != inode->i_tag)) {
- if (DQUOT_TRANSFER(inode, iattr))
- return -EDQUOT;
- }
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/file.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/file.c
---- linux-2.6.27.33/fs/jfs/file.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/file.c 2008-10-13 14:54:20.000000000 +0200
-@@ -98,6 +98,7 @@ const struct inode_operations jfs_file_i
- .setattr = jfs_setattr,
- .permission = jfs_permission,
+diff -NurpP --minimal linux-3.18.5/fs/jfs/file.c linux-3.18.5-vs2.3.7.3/fs/jfs/file.c
+--- linux-3.18.5/fs/jfs/file.c 2014-09-03 13:19:40.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/jfs/file.c 2015-01-19 10:58:03.000000000 +0000
+@@ -110,7 +110,8 @@ int jfs_setattr(struct dentry *dentry, s
+ if (is_quota_modification(inode, iattr))
+ dquot_initialize(inode);
+ if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
+- (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
++ (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid)) ||
++ (iattr->ia_valid & ATTR_TAG && !tag_eq(iattr->ia_tag, inode->i_tag))) {
+ rc = dquot_transfer(inode, iattr);
+ if (rc)
+ return rc;
+@@ -146,6 +147,7 @@ const struct inode_operations jfs_file_i
+ .get_acl = jfs_get_acl,
+ .set_acl = jfs_set_acl,
#endif
+ .sync_flags = jfs_sync_flags,
};
const struct file_operations jfs_file_operations = {
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/inode.c
---- linux-2.6.27.33/fs/jfs/inode.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/inode.c 2008-10-13 14:54:20.000000000 +0200
-@@ -22,6 +22,7 @@
- #include <linux/buffer_head.h>
- #include <linux/pagemap.h>
- #include <linux/quotaops.h>
-+#include <linux/vs_dlimit.h>
- #include "jfs_incore.h"
- #include "jfs_inode.h"
- #include "jfs_filsys.h"
-@@ -155,6 +156,7 @@ void jfs_delete_inode(struct inode *inod
- DQUOT_INIT(inode);
- DQUOT_FREE_INODE(inode);
- DQUOT_DROP(inode);
-+ DLIMIT_FREE_INODE(inode);
- }
-
- clear_inode(inode);
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/ioctl.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/ioctl.c
---- linux-2.6.27.33/fs/jfs/ioctl.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/ioctl.c 2008-10-13 14:54:20.000000000 +0200
-@@ -11,6 +11,7 @@
- #include <linux/mount.h>
+diff -NurpP --minimal linux-3.18.5/fs/jfs/ioctl.c linux-3.18.5-vs2.3.7.3/fs/jfs/ioctl.c
+--- linux-3.18.5/fs/jfs/ioctl.c 2013-05-31 13:45:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/jfs/ioctl.c 2015-01-19 10:58:03.000000000 +0000
+@@ -12,6 +12,7 @@
#include <linux/time.h>
#include <linux/sched.h>
+ #include <linux/blkdev.h>
+#include <linux/mount.h>
#include <asm/current.h>
#include <asm/uaccess.h>
-@@ -85,6 +86,11 @@ long jfs_ioctl(struct file *filp, unsign
+@@ -56,6 +57,16 @@ static long jfs_map_ext2(unsigned long f
+ }
+
+
++int jfs_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ jfs_get_inode_flags(JFS_IP(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
++}
++
+ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = file_inode(filp);
+@@ -89,6 +100,11 @@ long jfs_ioctl(struct file *filp, unsign
if (!S_ISDIR(inode->i_mode))
flags &= ~JFS_DIRSYNC_FL;
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode)) {
err = -EPERM;
-@@ -102,8 +108,8 @@ long jfs_ioctl(struct file *filp, unsign
+@@ -106,8 +122,8 @@ long jfs_ioctl(struct file *filp, unsign
* the relevant capability.
*/
if ((oldflags & JFS_IMMUTABLE_FL) ||
if (!capable(CAP_LINUX_IMMUTABLE)) {
mutex_unlock(&inode->i_mutex);
err = -EPERM;
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/jfs_dinode.h linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_dinode.h
---- linux-2.6.27.33/fs/jfs/jfs_dinode.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_dinode.h 2008-10-31 18:15:18.000000000 +0100
+@@ -115,7 +131,7 @@ long jfs_ioctl(struct file *filp, unsign
+ }
+ }
+
+- flags = flags & JFS_FL_USER_MODIFIABLE;
++ flags &= JFS_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~JFS_FL_USER_MODIFIABLE;
+ jfs_inode->mode2 = flags;
+
+diff -NurpP --minimal linux-3.18.5/fs/jfs/jfs_dinode.h linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_dinode.h
+--- linux-3.18.5/fs/jfs/jfs_dinode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_dinode.h 2015-01-19 10:58:03.000000000 +0000
@@ -161,9 +161,13 @@ struct dinode {
#define JFS_APPEND_FL 0x01000000 /* writes to file may only append */
#define JFS_FL_INHERIT 0x03C80000
/* These are identical to EXT[23]_IOC_GETFLAGS/SETFLAGS */
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/jfs_dtree.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_dtree.c
---- linux-2.6.27.33/fs/jfs/jfs_dtree.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_dtree.c 2008-10-13 14:54:20.000000000 +0200
-@@ -102,6 +102,7 @@
-
- #include <linux/fs.h>
- #include <linux/quotaops.h>
-+#include <linux/vs_dlimit.h>
- #include "jfs_incore.h"
- #include "jfs_superblock.h"
- #include "jfs_filsys.h"
-@@ -383,10 +384,10 @@ static u32 add_index(tid_t tid, struct i
- */
- if (DQUOT_ALLOC_BLOCK(ip, sbi->nbperpage))
- goto clean_up;
-- if (dbAlloc(ip, 0, sbi->nbperpage, &xaddr)) {
-- DQUOT_FREE_BLOCK(ip, sbi->nbperpage);
-- goto clean_up;
-- }
-+ if (DLIMIT_ALLOC_BLOCK(ip, sbi->nbperpage))
-+ goto clean_up_dquot;
-+ if (dbAlloc(ip, 0, sbi->nbperpage, &xaddr))
-+ goto clean_up_dlimit;
-
- /*
- * Save the table, we're going to overwrite it with the
-@@ -480,6 +481,12 @@ static u32 add_index(tid_t tid, struct i
-
- return index;
-
-+ clean_up_dlimit:
-+ DLIMIT_FREE_BLOCK(ip, sbi->nbperpage);
-+
-+ clean_up_dquot:
-+ DQUOT_FREE_BLOCK(ip, sbi->nbperpage);
-+
- clean_up:
-
- jfs_ip->next_index--;
-@@ -951,6 +958,7 @@ static int dtSplitUp(tid_t tid,
- struct tlock *tlck;
- struct lv *lv;
- int quota_allocation = 0;
-+ int dlimit_allocation = 0;
-
- /* get split page */
- smp = split->mp;
-@@ -1033,6 +1041,12 @@ static int dtSplitUp(tid_t tid,
- }
- quota_allocation += n;
-
-+ if (DLIMIT_ALLOC_BLOCK(ip, n)) {
-+ rc = -ENOSPC;
-+ goto extendOut;
-+ }
-+ dlimit_allocation += n;
-+
- if ((rc = dbReAlloc(sbi->ipbmap, xaddr, (s64) xlen,
- (s64) n, &nxaddr)))
- goto extendOut;
-@@ -1306,6 +1320,9 @@ static int dtSplitUp(tid_t tid,
- freeKeyName:
- kfree(key.name);
-
-+ /* Rollback dlimit allocation */
-+ if (rc && dlimit_allocation)
-+ DLIMIT_FREE_BLOCK(ip, dlimit_allocation);
- /* Rollback quota allocation */
- if (rc && quota_allocation)
- DQUOT_FREE_BLOCK(ip, quota_allocation);
-@@ -1373,6 +1390,12 @@ static int dtSplitPage(tid_t tid, struct
- release_metapage(rmp);
- return -EDQUOT;
- }
-+ /* Allocate blocks to dlimit. */
-+ if (DLIMIT_ALLOC_BLOCK(ip, lengthPXD(pxd))) {
-+ DQUOT_FREE_BLOCK(ip, lengthPXD(pxd));
-+ release_metapage(rmp);
-+ return -ENOSPC;
-+ }
-
- jfs_info("dtSplitPage: ip:0x%p smp:0x%p rmp:0x%p", ip, smp, rmp);
-
-@@ -1920,6 +1943,12 @@ static int dtSplitRoot(tid_t tid,
- release_metapage(rmp);
- return -EDQUOT;
- }
-+ /* Allocate blocks to dlimit. */
-+ if (DLIMIT_ALLOC_BLOCK(ip, lengthPXD(pxd))) {
-+ DQUOT_FREE_BLOCK(ip, lengthPXD(pxd));
-+ release_metapage(rmp);
-+ return -ENOSPC;
-+ }
-
- BT_MARK_DIRTY(rmp, ip);
- /*
-@@ -2286,6 +2315,8 @@ static int dtDeleteUp(tid_t tid, struct
-
- xlen = lengthPXD(&fp->header.self);
-
-+ /* Free dlimit allocation. */
-+ DLIMIT_FREE_BLOCK(ip, xlen);
- /* Free quota allocation. */
- DQUOT_FREE_BLOCK(ip, xlen);
-
-@@ -2362,6 +2393,8 @@ static int dtDeleteUp(tid_t tid, struct
-
- xlen = lengthPXD(&p->header.self);
-
-+ /* Free dlimit allocation */
-+ DLIMIT_FREE_BLOCK(ip, xlen);
- /* Free quota allocation */
- DQUOT_FREE_BLOCK(ip, xlen);
-
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/jfs_extent.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_extent.c
---- linux-2.6.27.33/fs/jfs/jfs_extent.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_extent.c 2008-10-13 14:54:20.000000000 +0200
-@@ -18,6 +18,7 @@
-
- #include <linux/fs.h>
- #include <linux/quotaops.h>
-+#include <linux/vs_dlimit.h>
- #include "jfs_incore.h"
- #include "jfs_inode.h"
- #include "jfs_superblock.h"
-@@ -147,6 +148,14 @@ extAlloc(struct inode *ip, s64 xlen, s64
- return -EDQUOT;
- }
-
-+ /* Allocate blocks to dlimit. */
-+ if (DLIMIT_ALLOC_BLOCK(ip, nxlen)) {
-+ DQUOT_FREE_BLOCK(ip, nxlen);
-+ dbFree(ip, nxaddr, (s64) nxlen);
-+ mutex_unlock(&JFS_IP(ip)->commit_mutex);
-+ return -ENOSPC;
-+ }
-+
- /* determine the value of the extent flag */
- xflag = abnr ? XAD_NOTRECORDED : 0;
-
-@@ -164,6 +173,7 @@ extAlloc(struct inode *ip, s64 xlen, s64
- */
- if (rc) {
- dbFree(ip, nxaddr, nxlen);
-+ DLIMIT_FREE_BLOCK(ip, nxlen);
- DQUOT_FREE_BLOCK(ip, nxlen);
- mutex_unlock(&JFS_IP(ip)->commit_mutex);
- return (rc);
-@@ -261,6 +271,13 @@ int extRealloc(struct inode *ip, s64 nxl
- mutex_unlock(&JFS_IP(ip)->commit_mutex);
- return -EDQUOT;
- }
-+ /* Allocate blocks to dlimit. */
-+ if (DLIMIT_ALLOC_BLOCK(ip, nxlen)) {
-+ DQUOT_FREE_BLOCK(ip, nxlen);
-+ dbFree(ip, nxaddr, (s64) nxlen);
-+ up(&JFS_IP(ip)->commit_sem);
-+ return -ENOSPC;
-+ }
-
- delta = nxlen - xlen;
-
-@@ -297,6 +314,7 @@ int extRealloc(struct inode *ip, s64 nxl
- /* extend the extent */
- if ((rc = xtExtend(0, ip, xoff + xlen, (int) nextend, 0))) {
- dbFree(ip, xaddr + xlen, delta);
-+ DLIMIT_FREE_BLOCK(ip, nxlen);
- DQUOT_FREE_BLOCK(ip, nxlen);
- goto exit;
- }
-@@ -308,6 +326,7 @@ int extRealloc(struct inode *ip, s64 nxl
- */
- if ((rc = xtTailgate(0, ip, xoff, (int) ntail, nxaddr, 0))) {
- dbFree(ip, nxaddr, nxlen);
-+ DLIMIT_FREE_BLOCK(ip, nxlen);
- DQUOT_FREE_BLOCK(ip, nxlen);
- goto exit;
- }
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/jfs_filsys.h linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_filsys.h
---- linux-2.6.27.33/fs/jfs/jfs_filsys.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_filsys.h 2008-10-13 14:54:20.000000000 +0200
-@@ -263,6 +263,7 @@
+diff -NurpP --minimal linux-3.18.5/fs/jfs/jfs_filsys.h linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_filsys.h
+--- linux-3.18.5/fs/jfs/jfs_filsys.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_filsys.h 2015-01-19 10:58:03.000000000 +0000
+@@ -266,6 +266,7 @@
#define JFS_NAME_MAX 255
#define JFS_PATH_MAX BPSIZE
/*
* file system state (superblock state)
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/jfs_imap.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_imap.c
---- linux-2.6.27.33/fs/jfs/jfs_imap.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_imap.c 2008-10-13 14:54:20.000000000 +0200
-@@ -45,6 +45,7 @@
- #include <linux/buffer_head.h>
+diff -NurpP --minimal linux-3.18.5/fs/jfs/jfs_imap.c linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_imap.c
+--- linux-3.18.5/fs/jfs/jfs_imap.c 2013-11-25 15:45:01.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_imap.c 2015-01-19 10:58:03.000000000 +0000
+@@ -46,6 +46,7 @@
#include <linux/pagemap.h>
#include <linux/quotaops.h>
+ #include <linux/slab.h>
+#include <linux/vs_tag.h>
#include "jfs_incore.h"
#include "jfs_inode.h"
-@@ -3058,6 +3059,8 @@ static int copy_from_dinode(struct dinod
+@@ -3047,6 +3048,8 @@ static int copy_from_dinode(struct dinod
{
struct jfs_inode_info *jfs_ip = JFS_IP(ip);
struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb);
-+ uid_t uid;
-+ gid_t gid;
++ kuid_t kuid;
++ kgid_t kgid;
jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
-@@ -3078,14 +3081,18 @@ static int copy_from_dinode(struct dinod
+@@ -3067,14 +3070,18 @@ static int copy_from_dinode(struct dinod
}
- ip->i_nlink = le32_to_cpu(dip->di_nlink);
+ set_nlink(ip, le32_to_cpu(dip->di_nlink));
-- jfs_ip->saved_uid = le32_to_cpu(dip->di_uid);
-+ uid = le32_to_cpu(dip->di_uid);
-+ gid = le32_to_cpu(dip->di_gid);
-+ ip->i_tag = INOTAG_TAG(DX_TAG(ip), uid, gid, 0);
+- jfs_ip->saved_uid = make_kuid(&init_user_ns, le32_to_cpu(dip->di_uid));
++ kuid = make_kuid(&init_user_ns, le32_to_cpu(dip->di_uid));
++ kgid = make_kgid(&init_user_ns, le32_to_cpu(dip->di_gid));
++ ip->i_tag = INOTAG_KTAG(DX_TAG(ip), kuid, kgid, GLOBAL_ROOT_TAG);
+
-+ jfs_ip->saved_uid = INOTAG_UID(DX_TAG(ip), uid, gid);
- if (sbi->uid == -1)
++ jfs_ip->saved_uid = INOTAG_KUID(DX_TAG(ip), kuid, kgid);
+ if (!uid_valid(sbi->uid))
ip->i_uid = jfs_ip->saved_uid;
else {
ip->i_uid = sbi->uid;
}
-- jfs_ip->saved_gid = le32_to_cpu(dip->di_gid);
-+ jfs_ip->saved_gid = INOTAG_GID(DX_TAG(ip), uid, gid);
- if (sbi->gid == -1)
+- jfs_ip->saved_gid = make_kgid(&init_user_ns, le32_to_cpu(dip->di_gid));
++ jfs_ip->saved_gid = INOTAG_KGID(DX_TAG(ip), kuid, kgid);
+ if (!gid_valid(sbi->gid))
ip->i_gid = jfs_ip->saved_gid;
else {
-@@ -3150,14 +3157,12 @@ static void copy_to_dinode(struct dinode
+@@ -3139,16 +3146,14 @@ static void copy_to_dinode(struct dinode
dip->di_size = cpu_to_le64(ip->i_size);
dip->di_nblocks = cpu_to_le64(PBLK2LBLK(ip->i_sb, ip->i_blocks));
dip->di_nlink = cpu_to_le32(ip->i_nlink);
-- if (sbi->uid == -1)
-- dip->di_uid = cpu_to_le32(ip->i_uid);
+- if (!uid_valid(sbi->uid))
+- dip->di_uid = cpu_to_le32(i_uid_read(ip));
- else
-- dip->di_uid = cpu_to_le32(jfs_ip->saved_uid);
-- if (sbi->gid == -1)
-- dip->di_gid = cpu_to_le32(ip->i_gid);
+- dip->di_uid =cpu_to_le32(from_kuid(&init_user_ns,
+- jfs_ip->saved_uid));
+- if (!gid_valid(sbi->gid))
+- dip->di_gid = cpu_to_le32(i_gid_read(ip));
- else
-- dip->di_gid = cpu_to_le32(jfs_ip->saved_gid);
-+
-+ dip->di_uid = cpu_to_le32(TAGINO_UID(DX_TAG(ip),
-+ (sbi->uid == -1) ? ip->i_uid : jfs_ip->saved_uid, ip->i_tag));
-+ dip->di_gid = cpu_to_le32(TAGINO_GID(DX_TAG(ip),
-+ (sbi->gid == -1) ? ip->i_gid : jfs_ip->saved_gid, ip->i_tag));
-+
+- dip->di_gid = cpu_to_le32(from_kgid(&init_user_ns,
+- jfs_ip->saved_gid));
++ dip->di_uid = cpu_to_le32(from_kuid(&init_user_ns,
++ TAGINO_KUID(DX_TAG(ip),
++ !uid_valid(sbi->uid) ? ip->i_uid : jfs_ip->saved_uid,
++ ip->i_tag)));
++ dip->di_gid = cpu_to_le32(from_kgid(&init_user_ns,
++ TAGINO_KGID(DX_TAG(ip),
++ !gid_valid(sbi->gid) ? ip->i_gid : jfs_ip->saved_gid,
++ ip->i_tag)));
jfs_get_inode_flags(jfs_ip);
/*
* mode2 is only needed for storing the higher order bits.
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/jfs_inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_inode.c
---- linux-2.6.27.33/fs/jfs/jfs_inode.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_inode.c 2008-10-13 14:54:20.000000000 +0200
-@@ -18,6 +18,8 @@
+diff -NurpP --minimal linux-3.18.5/fs/jfs/jfs_inode.c linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_inode.c
+--- linux-3.18.5/fs/jfs/jfs_inode.c 2014-09-03 13:19:40.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_inode.c 2015-01-21 09:53:08.000000000 +0000
+@@ -18,6 +18,7 @@
#include <linux/fs.h>
#include <linux/quotaops.h>
-+#include <linux/vs_dlimit.h>
+#include <linux/vs_tag.h>
#include "jfs_incore.h"
#include "jfs_inode.h"
#include "jfs_filsys.h"
-@@ -30,29 +32,46 @@ void jfs_set_inode_flags(struct inode *i
- {
- unsigned int flags = JFS_IP(inode)->mode2;
-
-- inode->i_flags &= ~(S_IMMUTABLE | S_APPEND |
-- S_NOATIME | S_DIRSYNC | S_SYNC);
-+ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
-+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+@@ -33,26 +34,45 @@ void jfs_set_inode_flags(struct inode *i
if (flags & JFS_IMMUTABLE_FL)
- inode->i_flags |= S_IMMUTABLE;
+ new_fl |= S_IMMUTABLE;
+ if (flags & JFS_IXUNLINK_FL)
+ inode->i_flags |= S_IXUNLINK;
+
+ if (flags & JFS_SYNC_FL)
+ inode->i_flags |= S_SYNC;
if (flags & JFS_APPEND_FL)
- inode->i_flags |= S_APPEND;
+ new_fl |= S_APPEND;
if (flags & JFS_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
+ new_fl |= S_NOATIME;
if (flags & JFS_DIRSYNC_FL)
- inode->i_flags |= S_DIRSYNC;
+ new_fl |= S_DIRSYNC;
- if (flags & JFS_SYNC_FL)
-- inode->i_flags |= S_SYNC;
-+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
+- new_fl |= S_SYNC;
+- inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME |
++ inode_set_flags(inode, new_fl, S_IMMUTABLE | S_IXUNLINK | S_APPEND | S_NOATIME |
+ S_DIRSYNC | S_SYNC);
+
++ new_fl = 0;
+ if (flags & JFS_BARRIER_FL)
-+ inode->i_vflags |= V_BARRIER;
++ new_fl |= V_BARRIER;
+ if (flags & JFS_COW_FL)
-+ inode->i_vflags |= V_COW;
++ new_fl |= V_COW;
++
++ set_mask_bits(&inode->i_vflags,
++ V_BARRIER | V_COW, new_fl);
}
void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)
if (flags & S_APPEND)
jfs_ip->mode2 |= JFS_APPEND_FL;
if (flags & S_NOATIME)
-@@ -61,6 +80,19 @@ void jfs_get_inode_flags(struct jfs_inod
+@@ -61,6 +81,11 @@ void jfs_get_inode_flags(struct jfs_inod
jfs_ip->mode2 |= JFS_DIRSYNC_FL;
if (flags & S_SYNC)
jfs_ip->mode2 |= JFS_SYNC_FL;
+ jfs_ip->mode2 |= JFS_BARRIER_FL;
+ if (vflags & V_COW)
+ jfs_ip->mode2 |= JFS_COW_FL;
-+}
-+
-+int jfs_sync_flags(struct inode *inode)
-+{
-+ jfs_get_inode_flags(JFS_IP(inode));
-+ inode->i_ctime = CURRENT_TIME;
-+ mark_inode_dirty(inode);
-+ return 0;
}
/*
-@@ -108,10 +140,17 @@ struct inode *ialloc(struct inode *paren
- jfs_inode->saved_uid = inode->i_uid;
- jfs_inode->saved_gid = inode->i_gid;
-
-+ inode->i_tag = dx_current_fstag(sb);
-+ if (DLIMIT_ALLOC_INODE(inode)) {
-+ iput(inode);
-+ return ERR_PTR(-ENOSPC);
-+ }
-+
- /*
- * Allocate inode to quota.
- */
- if (DQUOT_ALLOC_INODE(inode)) {
-+ DLIMIT_FREE_INODE(inode);
- DQUOT_DROP(inode);
- inode->i_flags |= S_NOQUOTA;
- inode->i_nlink = 0;
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/jfs_inode.h linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_inode.h
---- linux-2.6.27.33/fs/jfs/jfs_inode.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_inode.h 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/fs/jfs/jfs_inode.h linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_inode.h
+--- linux-3.18.5/fs/jfs/jfs_inode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/jfs/jfs_inode.h 2015-01-19 10:58:03.000000000 +0000
@@ -39,6 +39,7 @@ extern struct dentry *jfs_fh_to_dentry(s
extern struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
int fh_len, int fh_type);
extern void jfs_set_inode_flags(struct inode *);
-+extern int jfs_sync_flags(struct inode *);
++extern int jfs_sync_flags(struct inode *, int, int);
extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
+ extern int jfs_setattr(struct dentry *, struct iattr *);
- extern const struct address_space_operations jfs_aops;
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/jfs_xtree.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_xtree.c
---- linux-2.6.27.33/fs/jfs/jfs_xtree.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/jfs_xtree.c 2008-10-13 14:54:20.000000000 +0200
-@@ -23,6 +23,7 @@
- #include <linux/module.h>
- #include <linux/quotaops.h>
- #include <linux/seq_file.h>
-+#include <linux/vs_dlimit.h>
- #include "jfs_incore.h"
- #include "jfs_filsys.h"
- #include "jfs_metapage.h"
-@@ -848,7 +849,12 @@ int xtInsert(tid_t tid, /* transaction
- hint = 0;
- if ((rc = DQUOT_ALLOC_BLOCK(ip, xlen)))
- goto out;
-+ if ((rc = DLIMIT_ALLOC_BLOCK(ip, xlen))) {
-+ DQUOT_FREE_BLOCK(ip, xlen);
-+ goto out;
-+ }
- if ((rc = dbAlloc(ip, hint, (s64) xlen, &xaddr))) {
-+ DLIMIT_FREE_BLOCK(ip, xlen);
- DQUOT_FREE_BLOCK(ip, xlen);
- goto out;
- }
-@@ -878,6 +884,7 @@ int xtInsert(tid_t tid, /* transaction
- /* undo data extent allocation */
- if (*xaddrp == 0) {
- dbFree(ip, xaddr, (s64) xlen);
-+ DLIMIT_FREE_BLOCK(ip, xlen);
- DQUOT_FREE_BLOCK(ip, xlen);
- }
- return rc;
-@@ -1234,6 +1241,7 @@ xtSplitPage(tid_t tid, struct inode *ip,
- struct tlock *tlck;
- struct xtlock *sxtlck = NULL, *rxtlck = NULL;
- int quota_allocation = 0;
-+ int dlimit_allocation = 0;
-
- smp = split->mp;
- sp = XT_PAGE(ip, smp);
-@@ -1253,6 +1261,13 @@ xtSplitPage(tid_t tid, struct inode *ip,
-
- quota_allocation += lengthPXD(pxd);
-
-+ /* Allocate blocks to dlimit. */
-+ if (DLIMIT_ALLOC_BLOCK(ip, lengthPXD(pxd))) {
-+ rc = -ENOSPC;
-+ goto clean_up;
-+ }
-+ dlimit_allocation += lengthPXD(pxd);
-+
- /*
- * allocate the new right page for the split
- */
-@@ -1454,6 +1469,9 @@ xtSplitPage(tid_t tid, struct inode *ip,
-
- clean_up:
-
-+ /* Rollback dlimit allocation. */
-+ if (dlimit_allocation)
-+ DLIMIT_FREE_BLOCK(ip, dlimit_allocation);
- /* Rollback quota allocation. */
- if (quota_allocation)
- DQUOT_FREE_BLOCK(ip, quota_allocation);
-@@ -1517,6 +1535,12 @@ xtSplitRoot(tid_t tid,
- release_metapage(rmp);
- return -EDQUOT;
- }
-+ /* Allocate blocks to dlimit. */
-+ if (DLIMIT_ALLOC_BLOCK(ip, lengthPXD(pxd))) {
-+ DQUOT_FREE_BLOCK(ip, lengthPXD(pxd));
-+ release_metapage(rmp);
-+ return -ENOSPC;
-+ }
-
- jfs_info("xtSplitRoot: ip:0x%p rmp:0x%p", ip, rmp);
-
-@@ -3940,6 +3964,8 @@ s64 xtTruncate(tid_t tid, struct inode *
- else
- ip->i_size = newsize;
-
-+ /* update dlimit allocation to reflect freed blocks */
-+ DLIMIT_FREE_BLOCK(ip, nfreed);
- /* update quota allocation to reflect freed blocks */
- DQUOT_FREE_BLOCK(ip, nfreed);
-
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/namei.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/namei.c
---- linux-2.6.27.33/fs/jfs/namei.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/namei.c 2008-10-13 14:54:20.000000000 +0200
-@@ -21,6 +21,7 @@
+diff -NurpP --minimal linux-3.18.5/fs/jfs/namei.c linux-3.18.5-vs2.3.7.3/fs/jfs/namei.c
+--- linux-3.18.5/fs/jfs/namei.c 2014-06-12 11:34:58.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/jfs/namei.c 2015-01-19 10:58:03.000000000 +0000
+@@ -22,6 +22,7 @@
#include <linux/ctype.h>
#include <linux/quotaops.h>
#include <linux/exportfs.h>
#include "jfs_incore.h"
#include "jfs_superblock.h"
#include "jfs_inode.h"
-@@ -1468,6 +1469,7 @@ static struct dentry *jfs_lookup(struct
- return ERR_CAST(ip);
+@@ -1461,6 +1462,7 @@ static struct dentry *jfs_lookup(struct
+ jfs_err("jfs_lookup: iget failed on inum %d", (uint)inum);
}
+ dx_propagate_tag(nd, ip);
- dentry = d_splice_alias(ip, dentry);
+ return d_splice_alias(ip, dentry);
+ }
- if (dentry && (JFS_SBI(dip->i_sb)->mntflag & JFS_OS2))
-@@ -1550,6 +1552,7 @@ const struct inode_operations jfs_dir_in
- .setattr = jfs_setattr,
- .permission = jfs_permission,
+@@ -1526,6 +1528,7 @@ const struct inode_operations jfs_dir_in
+ .get_acl = jfs_get_acl,
+ .set_acl = jfs_set_acl,
#endif
+ .sync_flags = jfs_sync_flags,
};
const struct file_operations jfs_dir_operations = {
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/super.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/super.c
---- linux-2.6.27.33/fs/jfs/super.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/super.c 2008-10-13 14:54:20.000000000 +0200
-@@ -196,7 +196,8 @@ static void jfs_put_super(struct super_b
- enum {
+diff -NurpP --minimal linux-3.18.5/fs/jfs/super.c linux-3.18.5-vs2.3.7.3/fs/jfs/super.c
+--- linux-3.18.5/fs/jfs/super.c 2015-01-17 02:40:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/jfs/super.c 2015-01-19 10:58:03.000000000 +0000
+@@ -203,7 +203,8 @@ enum {
Opt_integrity, Opt_nointegrity, Opt_iocharset, Opt_resize,
Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err, Opt_quota,
-- Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask
-+ Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask,
+ Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask,
+- Opt_discard, Opt_nodiscard, Opt_discard_minblk
++ Opt_discard, Opt_nodiscard, Opt_discard_minblk,
+ Opt_tag, Opt_notag, Opt_tagid
};
- static match_table_t tokens = {
-@@ -206,6 +207,10 @@ static match_table_t tokens = {
+ static const match_table_t tokens = {
+@@ -213,6 +214,10 @@ static const match_table_t tokens = {
{Opt_resize, "resize=%u"},
{Opt_resize_nosize, "resize"},
{Opt_errors, "errors=%s"},
{Opt_ignore, "noquota"},
{Opt_ignore, "quota"},
{Opt_usrquota, "usrquota"},
-@@ -340,6 +345,20 @@ static int parse_options(char *options,
- }
+@@ -402,7 +407,20 @@ static int parse_options(char *options,
+ pr_err("JFS: discard option not supported on device\n");
break;
}
+-
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
+ *flag |= JFS_TAGGED;
+ break;
+#endif
default:
- printk("jfs: Unrecognized mount option \"%s\" "
- " or missing value\n", p);
-@@ -370,6 +389,13 @@ static int jfs_remount(struct super_bloc
- if (!parse_options(data, sb, &newLVSize, &flag)) {
+ printk("jfs: Unrecognized mount option \"%s\" or missing value\n",
+ p);
+@@ -434,6 +452,12 @@ static int jfs_remount(struct super_bloc
+ if (!parse_options(data, sb, &newLVSize, &flag))
return -EINVAL;
- }
-+
+
+ if ((flag & JFS_TAGGED) && !(sb->s_flags & MS_TAGGED)) {
+ printk(KERN_ERR "JFS: %s: tagging not permitted on remount.\n",
+ sb->s_id);
+
if (newLVSize) {
if (sb->s_flags & MS_RDONLY) {
- printk(KERN_ERR
-@@ -441,6 +467,9 @@ static int jfs_fill_super(struct super_b
+ pr_err("JFS: resize requires volume to be mounted read-write\n");
+@@ -517,6 +541,9 @@ static int jfs_fill_super(struct super_b
#ifdef CONFIG_JFS_POSIX_ACL
sb->s_flags |= MS_POSIXACL;
#endif
+ sb->s_flags |= MS_TAGGED;
if (newLVSize) {
- printk(KERN_ERR "resize option for remount only\n");
-diff -NurpP --minimal linux-2.6.27.33/fs/jfs/xattr.c linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/xattr.c
---- linux-2.6.27.33/fs/jfs/xattr.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/jfs/xattr.c 2008-10-13 14:54:20.000000000 +0200
-@@ -23,6 +23,7 @@
- #include <linux/posix_acl_xattr.h>
- #include <linux/quotaops.h>
- #include <linux/security.h>
-+#include <linux/vs_dlimit.h>
- #include "jfs_incore.h"
- #include "jfs_superblock.h"
- #include "jfs_dmap.h"
-@@ -263,9 +264,16 @@ static int ea_write(struct inode *ip, st
- if (DQUOT_ALLOC_BLOCK(ip, nblocks)) {
- return -EDQUOT;
- }
-+ /* Allocate new blocks to dlimit. */
-+ if (DLIMIT_ALLOC_BLOCK(ip, nblocks)) {
-+ DQUOT_FREE_BLOCK(ip, nblocks);
-+ return -ENOSPC;
-+ }
-
- rc = dbAlloc(ip, INOHINT(ip), nblocks, &blkno);
- if (rc) {
-+ /*Rollback dlimit allocation. */
-+ DLIMIT_FREE_BLOCK(ip, nblocks);
- /*Rollback quota allocation. */
- DQUOT_FREE_BLOCK(ip, nblocks);
- return rc;
-@@ -332,6 +340,8 @@ static int ea_write(struct inode *ip, st
-
- failed:
- /* Rollback quota allocation. */
-+ DLIMIT_FREE_BLOCK(ip, nblocks);
-+ /* Rollback quota allocation. */
- DQUOT_FREE_BLOCK(ip, nblocks);
-
- dbFree(ip, blkno, nblocks);
-@@ -468,6 +478,7 @@ static int ea_get(struct inode *inode, s
- s64 blkno;
- int rc;
- int quota_allocation = 0;
-+ int dlimit_allocation = 0;
-
- /* When fsck.jfs clears a bad ea, it doesn't clear the size */
- if (ji->ea.flag == 0)
-@@ -543,6 +554,12 @@ static int ea_get(struct inode *inode, s
-
- quota_allocation = blocks_needed;
-
-+ /* Allocate new blocks to dlimit. */
-+ rc = -ENOSPC;
-+ if (DLIMIT_ALLOC_BLOCK(inode, blocks_needed))
-+ goto clean_up;
-+ dlimit_allocation = blocks_needed;
-+
- rc = dbAlloc(inode, INOHINT(inode), (s64) blocks_needed,
- &blkno);
- if (rc)
-@@ -600,6 +617,9 @@ static int ea_get(struct inode *inode, s
- return ea_size;
-
- clean_up:
-+ /* Rollback dlimit allocation */
-+ if (dlimit_allocation)
-+ DLIMIT_FREE_BLOCK(inode, dlimit_allocation);
- /* Rollback quota allocation */
- if (quota_allocation)
- DQUOT_FREE_BLOCK(inode, quota_allocation);
-@@ -676,8 +696,10 @@ static int ea_put(tid_t tid, struct inod
- }
-
- /* If old blocks exist, they must be removed from quota allocation. */
-- if (old_blocks)
-+ if (old_blocks) {
-+ DLIMIT_FREE_BLOCK(inode, old_blocks);
- DQUOT_FREE_BLOCK(inode, old_blocks);
-+ }
-
- inode->i_ctime = CURRENT_TIME;
-
-diff -NurpP --minimal linux-2.6.27.33/fs/libfs.c linux-2.6.27.33-vs2.3.0.36.6/fs/libfs.c
---- linux-2.6.27.33/fs/libfs.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/libfs.c 2009-02-03 17:59:04.000000000 +0100
-@@ -125,7 +125,8 @@ static inline unsigned char dt_type(stru
+ pr_err("resize option for remount only\n");
+diff -NurpP --minimal linux-3.18.5/fs/libfs.c linux-3.18.5-vs2.3.7.3/fs/libfs.c
+--- linux-3.18.5/fs/libfs.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/libfs.c 2015-01-22 07:27:38.000000000 +0000
+@@ -146,13 +146,14 @@ static inline unsigned char dt_type(stru
* both impossible due to the lock on directory.
*/
--int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
+-int dcache_readdir(struct file *file, struct dir_context *ctx)
+static inline int do_dcache_readdir_filter(struct file *filp,
-+ void *dirent, filldir_t filldir, int (*filter)(struct dentry *dentry))
++ struct dir_context *ctx, int (*filter)(struct dentry *dentry))
{
- struct dentry *dentry = filp->f_path.dentry;
- struct dentry *cursor = filp->private_data;
-@@ -158,6 +159,8 @@ int dcache_readdir(struct file * filp, v
- next = list_entry(p, struct dentry, d_u.d_child);
- if (d_unhashed(next) || !next->d_inode)
- continue;
-+ if (filter && !filter(next))
-+ continue;
+- struct dentry *dentry = file->f_path.dentry;
+- struct dentry *cursor = file->private_data;
++ struct dentry *dentry = filp->f_path.dentry;
++ struct dentry *cursor = filp->private_data;
+ struct list_head *p, *q = &cursor->d_child;
+
+- if (!dir_emit_dots(file, ctx))
++ if (!dir_emit_dots(filp, ctx))
+ return 0;
+ spin_lock(&dentry->d_lock);
+ if (ctx->pos == 2)
+@@ -160,6 +161,8 @@ int dcache_readdir(struct file *file, st
- spin_unlock(&dcache_lock);
- if (filldir(dirent, next->d_name.name,
-@@ -176,6 +179,18 @@ int dcache_readdir(struct file * filp, v
+ for (p = q->next; p != &dentry->d_subdirs; p = p->next) {
+ struct dentry *next = list_entry(p, struct dentry, d_child);
++ if (filter && !filter(next))
++ continue;
+ spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
+ if (!simple_positive(next)) {
+ spin_unlock(&next->d_lock);
+@@ -182,8 +185,22 @@ int dcache_readdir(struct file *file, st
+ spin_unlock(&dentry->d_lock);
return 0;
}
++
+ EXPORT_SYMBOL(dcache_readdir);
-+int dcache_readdir(struct file *filp, void *dirent, filldir_t filldir)
++int dcache_readdir(struct file *filp, struct dir_context *ctx)
+{
-+ return do_dcache_readdir_filter(filp, dirent, filldir, NULL);
++ return do_dcache_readdir_filter(filp, ctx, NULL);
+}
+
-+int dcache_readdir_filter(struct file *filp, void *dirent, filldir_t filldir,
++EXPORT_SYMBOL(dcache_readdir_filter);
++
++int dcache_readdir_filter(struct file *filp, struct dir_context *ctx,
+ int (*filter)(struct dentry *))
+{
-+ return do_dcache_readdir_filter(filp, dirent, filldir, filter);
++ return do_dcache_readdir_filter(filp, ctx, filter);
+}
-+
+
ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t *ppos)
{
return -EISDIR;
-@@ -823,6 +838,7 @@ EXPORT_SYMBOL(dcache_dir_close);
- EXPORT_SYMBOL(dcache_dir_lseek);
- EXPORT_SYMBOL(dcache_dir_open);
- EXPORT_SYMBOL(dcache_readdir);
-+EXPORT_SYMBOL(dcache_readdir_filter);
- EXPORT_SYMBOL(generic_read_dir);
- EXPORT_SYMBOL(get_sb_pseudo);
- EXPORT_SYMBOL(simple_write_begin);
-diff -NurpP --minimal linux-2.6.27.33/fs/locks.c linux-2.6.27.33-vs2.3.0.36.6/fs/locks.c
---- linux-2.6.27.33/fs/locks.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/locks.c 2009-02-03 17:59:04.000000000 +0100
-@@ -127,6 +127,8 @@
- #include <linux/time.h>
- #include <linux/rcupdate.h>
- #include <linux/pid_namespace.h>
+diff -NurpP --minimal linux-3.18.5/fs/locks.c linux-3.18.5-vs2.3.7.3/fs/locks.c
+--- linux-3.18.5/fs/locks.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/locks.c 2015-01-28 11:48:02.000000000 +0000
+@@ -129,6 +129,8 @@
+ #include <linux/hashtable.h>
+ #include <linux/percpu.h>
+ #include <linux/lglock.h>
+#include <linux/vs_base.h>
+#include <linux/vs_limit.h>
- #include <asm/uaccess.h>
-
-@@ -148,6 +150,8 @@ static struct kmem_cache *filelock_cache
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/filelock.h>
+@@ -214,11 +216,17 @@ static void locks_init_lock_heads(struct
/* Allocate an empty lock structure. */
- static struct file_lock *locks_alloc_lock(void)
+ struct file_lock *locks_alloc_lock(void)
{
+- struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
++ struct file_lock *fl;
+
+- if (fl)
+- locks_init_lock_heads(fl);
+ if (!vx_locks_avail(1))
+ return NULL;
- return kmem_cache_alloc(filelock_cache, GFP_KERNEL);
- }
-@@ -173,6 +177,7 @@ static void locks_free_lock(struct file_
++ fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
++
++ if (fl) {
++ locks_init_lock_heads(fl);
++ fl->fl_xid = -1;
++ }
+ return fl;
+ }
+ EXPORT_SYMBOL_GPL(locks_alloc_lock);
+@@ -246,6 +254,7 @@ void locks_free_lock(struct file_lock *f
BUG_ON(!list_empty(&fl->fl_block));
- BUG_ON(!list_empty(&fl->fl_link));
+ BUG_ON(!hlist_unhashed(&fl->fl_link));
+ vx_locks_dec(fl);
locks_release_private(fl);
kmem_cache_free(filelock_cache, fl);
}
-@@ -193,6 +198,7 @@ void locks_init_lock(struct file_lock *f
- fl->fl_start = fl->fl_end = 0;
- fl->fl_ops = NULL;
- fl->fl_lmops = NULL;
+@@ -267,6 +276,7 @@ void locks_init_lock(struct file_lock *f
+ {
+ memset(fl, 0, sizeof(struct file_lock));
+ locks_init_lock_heads(fl);
+ fl->fl_xid = -1;
}
EXPORT_SYMBOL(locks_init_lock);
-@@ -247,6 +253,7 @@ void locks_copy_lock(struct file_lock *n
- new->fl_file = fl->fl_file;
- new->fl_ops = fl->fl_ops;
+@@ -284,6 +294,7 @@ void locks_copy_conflock(struct file_loc
+ new->fl_start = fl->fl_start;
+ new->fl_end = fl->fl_end;
new->fl_lmops = fl->fl_lmops;
+ new->fl_xid = fl->fl_xid;
+ new->fl_ops = NULL;
- locks_copy_private(new, fl);
- }
-@@ -285,6 +292,11 @@ static int flock_make_lock(struct file *
+ if (fl->fl_lmops) {
+@@ -345,6 +356,11 @@ flock_make_lock(struct file *filp, unsig
fl->fl_flags = FL_FLOCK;
fl->fl_type = type;
fl->fl_end = OFFSET_MAX;
+ fl->fl_xid = filp->f_xid;
+ vx_locks_inc(fl);
- *lock = fl;
- return 0;
-@@ -450,6 +462,7 @@ static int lease_init(struct file *filp,
+ return fl;
+ }
+@@ -467,6 +483,7 @@ static int lease_init(struct file *filp,
- fl->fl_owner = current->files;
+ fl->fl_owner = filp;
fl->fl_pid = current->tgid;
+ fl->fl_xid = vx_current_xid();
fl->fl_file = filp;
fl->fl_flags = FL_LEASE;
-@@ -469,6 +482,11 @@ static struct file_lock *lease_alloc(str
+@@ -486,6 +503,11 @@ static struct file_lock *lease_alloc(str
if (fl == NULL)
return ERR_PTR(error);
error = lease_init(filp, type, fl);
if (error) {
locks_free_lock(fl);
-@@ -769,6 +787,7 @@ static int flock_lock_file(struct file *
- if (found)
- cond_resched_bkl();
+@@ -892,6 +914,7 @@ static int flock_lock_file(struct file *
+ spin_lock(&inode->i_lock);
+ }
+ new_fl->fl_xid = -1;
find_conflict:
for_each_lock(inode, before) {
struct file_lock *fl = *before;
-@@ -789,6 +808,7 @@ find_conflict:
+@@ -912,6 +935,7 @@ find_conflict:
goto out;
locks_copy_lock(new_fl, request);
locks_insert_lock(before, new_fl);
new_fl = NULL;
error = 0;
-@@ -799,7 +819,8 @@ out:
+@@ -923,7 +947,8 @@ out:
return error;
}
-static int __posix_lock_file(struct inode *inode, struct file_lock *request, struct file_lock *conflock)
+static int __posix_lock_file(struct inode *inode, struct file_lock *request,
-+ struct file_lock *conflock, xid_t xid)
++ struct file_lock *conflock, vxid_t xid)
{
struct file_lock *fl;
struct file_lock *new_fl = NULL;
-@@ -809,6 +830,8 @@ static int __posix_lock_file(struct inod
- struct file_lock **before;
- int error, added = 0;
+@@ -935,6 +960,8 @@ static int __posix_lock_file(struct inod
+ bool added = false;
+ LIST_HEAD(dispose);
+ vxd_assert(xid == vx_current_xid(),
+ "xid(%d) == current(%d)", xid, vx_current_xid());
/*
* We may need two file_lock structures for this operation,
* so we get them in advance to avoid races.
-@@ -819,7 +842,11 @@ static int __posix_lock_file(struct inod
+@@ -945,7 +972,11 @@ static int __posix_lock_file(struct inod
(request->fl_type != F_UNLCK ||
request->fl_start != 0 || request->fl_end != OFFSET_MAX)) {
new_fl = locks_alloc_lock();
+ vx_locks_inc(new_fl2);
}
- lock_kernel();
-@@ -1018,7 +1045,8 @@ static int __posix_lock_file(struct inod
+ spin_lock(&inode->i_lock);
+@@ -1158,7 +1189,8 @@ static int __posix_lock_file(struct inod
int posix_lock_file(struct file *filp, struct file_lock *fl,
struct file_lock *conflock)
{
-- return __posix_lock_file(filp->f_path.dentry->d_inode, fl, conflock);
-+ return __posix_lock_file(filp->f_path.dentry->d_inode,
+- return __posix_lock_file(file_inode(filp), fl, conflock);
++ return __posix_lock_file(file_inode(filp),
+ fl, conflock, filp->f_xid);
}
EXPORT_SYMBOL(posix_lock_file);
-@@ -1108,7 +1136,7 @@ int locks_mandatory_area(int read_write,
- fl.fl_end = offset + count - 1;
-
- for (;;) {
+@@ -1252,7 +1284,7 @@ int locks_mandatory_area(int read_write,
+ if (filp) {
+ fl.fl_owner = filp;
+ fl.fl_flags &= ~FL_SLEEP;
+- error = __posix_lock_file(inode, &fl, NULL);
++ error = __posix_lock_file(inode, &fl, NULL, filp->f_xid);
+ if (!error)
+ break;
+ }
+@@ -1260,7 +1292,7 @@ int locks_mandatory_area(int read_write,
+ if (sleep)
+ fl.fl_flags |= FL_SLEEP;
+ fl.fl_owner = current->files;
- error = __posix_lock_file(inode, &fl, NULL);
+ error = __posix_lock_file(inode, &fl, NULL, filp->f_xid);
if (error != FILE_LOCK_DEFERRED)
break;
error = wait_event_interruptible(fl.fl_wait, !fl.fl_next);
-@@ -1423,6 +1451,7 @@ int generic_setlease(struct file *filp,
-
- locks_copy_lock(new_fl, lease);
- locks_insert_lock(before, new_fl);
-+ vx_locks_inc(new_fl);
+@@ -1655,6 +1687,7 @@ generic_add_lease(struct file *filp, lon
+ goto out;
- *flp = new_fl;
- return 0;
-@@ -1777,6 +1806,11 @@ int fcntl_setlk(unsigned int fd, struct
+ locks_insert_lock(before, lease);
++ vx_locks_inc(lease);
+ /*
+ * The check in break_lease() is lockless. It's possible for another
+ * open to race in after we did the earlier check for a conflicting
+@@ -2110,6 +2143,11 @@ int fcntl_setlk(unsigned int fd, struct
if (file_lock == NULL)
return -ENOLCK;
/*
* This might block, so we do it before checking the inode.
*/
-@@ -1895,6 +1929,11 @@ int fcntl_setlk64(unsigned int fd, struc
+@@ -2250,6 +2288,11 @@ int fcntl_setlk64(unsigned int fd, struc
if (file_lock == NULL)
return -ENOLCK;
/*
* This might block, so we do it before checking the inode.
*/
-@@ -2159,8 +2198,11 @@ static int locks_show(struct seq_file *f
+@@ -2557,8 +2600,11 @@ static int locks_show(struct seq_file *f
- lock_get_status(f, fl, (long)f->private, "");
+ lock_get_status(f, fl, iter->li_pos, "");
- list_for_each_entry(bfl, &fl->fl_block, fl_block)
+ list_for_each_entry(bfl, &fl->fl_block, fl_block) {
+ if (!vx_check(fl->fl_xid, VS_WATCH_P | VS_IDENT))
+ continue;
- lock_get_status(f, bfl, (long)f->private, " ->");
+ lock_get_status(f, bfl, iter->li_pos, " ->");
+ }
- f->private++;
return 0;
-diff -NurpP --minimal linux-2.6.27.33/fs/namei.c linux-2.6.27.33-vs2.3.0.36.6/fs/namei.c
---- linux-2.6.27.33/fs/namei.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/namei.c 2009-02-03 17:59:04.000000000 +0100
-@@ -31,6 +31,14 @@
- #include <linux/file.h>
- #include <linux/fcntl.h>
+ }
+diff -NurpP --minimal linux-3.18.5/fs/mount.h linux-3.18.5-vs2.3.7.3/fs/mount.h
+--- linux-3.18.5/fs/mount.h 2015-01-17 02:40:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/mount.h 2015-01-19 10:58:03.000000000 +0000
+@@ -62,6 +62,7 @@ struct mount {
+ int mnt_expiry_mark; /* true if marked for expiry */
+ struct hlist_head mnt_pins;
+ struct path mnt_ex_mountpoint;
++ vtag_t mnt_tag; /* tagging used for vfsmount */
+ };
+
+ #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */
+diff -NurpP --minimal linux-3.18.5/fs/namei.c linux-3.18.5-vs2.3.7.3/fs/namei.c
+--- linux-3.18.5/fs/namei.c 2015-01-17 02:40:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/namei.c 2015-01-22 08:31:30.000000000 +0000
+@@ -34,10 +34,20 @@
#include <linux/device_cgroup.h>
+ #include <linux/fs_struct.h>
+ #include <linux/posix_acl.h>
+#include <linux/proc_fs.h>
++#include <linux/magic.h>
+#include <linux/vserver/inode.h>
+#include <linux/vs_base.h>
+#include <linux/vs_tag.h>
+#include <linux/vs_device.h>
+#include <linux/vs_context.h>
+#include <linux/pid_namespace.h>
+ #include <linux/hash.h>
#include <asm/uaccess.h>
- #define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE])
-@@ -167,6 +175,77 @@ void putname(const char *name)
- EXPORT_SYMBOL(putname);
- #endif
+ #include "internal.h"
++#include "proc/internal.h"
+ #include "mount.h"
+
+ /* [Feb-1997 T. Schoebel-Theuer]
+@@ -278,6 +288,93 @@ static int check_acl(struct inode *inode
+ return -EAGAIN;
+ }
-+static inline int dx_barrier(struct inode *inode)
++static inline int dx_barrier(const struct inode *inode)
+{
+ if (IS_BARRIER(inode) && !vx_check(0, VS_ADMIN | VS_WATCH)) {
+ vxwprintk_task(1, "did hit the barrier.");
+ return 0;
+}
+
-+static int __dx_permission(struct inode *inode, int mask)
++static int __dx_permission(const struct inode *inode, int mask)
+{
+ if (dx_barrier(inode))
+ return -EACCES;
+ if (inode->i_sb->s_magic == DEVPTS_SUPER_MAGIC) {
+ /* devpts is xid tagged */
+ if (S_ISDIR(inode->i_mode) ||
-+ vx_check((xid_t)inode->i_tag, VS_IDENT | VS_WATCH_P))
++ vx_check((vxid_t)i_tag_read(inode), VS_IDENT | VS_WATCH_P))
+ return 0;
++
++ /* just pretend we didn't find anything */
++ return -ENOENT;
+ }
+ else if (inode->i_sb->s_magic == PROC_SUPER_MAGIC) {
+ struct proc_dir_entry *de = PDE(inode);
+
-+ if (de && !vx_hide_check(0, de->vx_flags))
++ if (de && !vx_hide_check(0, de->vx_flags)) {
++ vxdprintk(VXD_CBIT(misc, 9),
++ VS_Q("%*s") " hidden by _dx_permission",
++ de->namelen, de->name);
+ goto out;
++ }
+
+ if ((mask & (MAY_WRITE | MAY_APPEND))) {
+ struct pid *pid;
+ if (!pid)
+ goto out;
+
++ rcu_read_lock();
+ tsk = pid_task(pid, PIDTYPE_PID);
+ vxdprintk(VXD_CBIT(tag, 0), "accessing %p[#%u]",
+ tsk, (tsk ? vx_task_xid(tsk) : 0));
-+ if (tsk && vx_check(vx_task_xid(tsk), VS_IDENT | VS_WATCH_P))
++ if (tsk &&
++ vx_check(vx_task_xid(tsk), VS_IDENT | VS_WATCH_P)) {
++ rcu_read_unlock();
+ return 0;
++ }
++ rcu_read_unlock();
+ }
+ else {
+ /* FIXME: Should we block some entries here? */
+ }
+ else {
+ if (dx_notagcheck(inode->i_sb) ||
-+ dx_check(inode->i_tag, DX_HOSTID | DX_ADMIN | DX_WATCH |
-+ DX_IDENT))
++ dx_check((vxid_t)i_tag_read(inode),
++ DX_HOSTID | DX_ADMIN | DX_WATCH | DX_IDENT))
+ return 0;
+ }
+
+ return -EACCES;
+}
+
-+int dx_permission(struct inode *inode, int mask)
++int dx_permission(const struct inode *inode, int mask)
+{
+ int ret = __dx_permission(inode, mask);
+ if (unlikely(ret)) {
-+ vxwprintk_task(1, "denied %x access to %s:%p[#%d,%lu]",
-+ mask, inode->i_sb->s_id, inode, inode->i_tag,
-+ inode->i_ino);
++#ifndef CONFIG_VSERVER_WARN_DEVPTS
++ if (inode->i_sb->s_magic != DEVPTS_SUPER_MAGIC)
++#endif
++ vxwprintk_task(1,
++ "denied [0x%x] access to inode %s:%p[#%d,%lu]",
++ mask, inode->i_sb->s_id, inode,
++ i_tag_read(inode), inode->i_ino);
+ }
+ return ret;
+}
+
-
- /**
- * generic_permission - check for access rights on a Posix-like filesystem
-@@ -244,10 +323,14 @@ int inode_permission(struct inode *inode
+ /*
+ * This does the basic permission checking
+ */
+@@ -402,10 +499,14 @@ int __inode_permission(struct inode *ino
/*
* Nobody gets write access to an immutable file.
*/
+ if (retval)
+ return retval;
+
- /* Ordinary permission routines do not understand MAY_APPEND. */
- if (inode->i_op && inode->i_op->permission) {
- retval = inode->i_op->permission(inode, mask);
-@@ -451,6 +534,8 @@ static int exec_permission_lite(struct i
- {
- umode_t mode = inode->i_mode;
-
-+ if (dx_barrier(inode))
-+ return -EACCES;
- if (inode->i_op && inode->i_op->permission)
- return -EAGAIN;
-
-@@ -773,7 +858,8 @@ static __always_inline void follow_dotdo
- if (nd->path.dentry == fs->root.dentry &&
- nd->path.mnt == fs->root.mnt) {
- read_unlock(&fs->lock);
-- break;
-+ /* for sane '/' avoid follow_mount() */
-+ return;
+ retval = do_inode_permission(inode, mask);
+ if (retval)
+ return retval;
+@@ -1416,6 +1517,9 @@ static int lookup_fast(struct nameidata
+ goto unlazy;
+ }
}
- read_unlock(&fs->lock);
- spin_lock(&dcache_lock);
-@@ -810,16 +896,30 @@ static int do_lookup(struct nameidata *n
- {
- struct vfsmount *mnt = nd->path.mnt;
- struct dentry *dentry = __d_lookup(nd->path.dentry, name);
-+ struct inode *inode;
-
- if (!dentry)
- goto need_lookup;
- if (dentry->d_op && dentry->d_op->d_revalidate)
- goto need_revalidate;
-+ inode = dentry->d_inode;
-+ if (!inode)
-+ goto done;
+
-+ if (__dx_permission(inode, MAY_ACCESS))
-+ goto hidden;
++ /* FIXME: check dx permission */
++
+ path->mnt = mnt;
+ path->dentry = dentry;
+ if (likely(__follow_mount_rcu(nd, path, inode)))
+@@ -1442,6 +1546,8 @@ unlazy:
+ goto need_lookup;
+ }
+
++ /* FIXME: check dx permission */
+
- done:
path->mnt = mnt;
path->dentry = dentry;
- __follow_mount(path);
- return 0;
-+hidden:
-+ vxwprintk_task(1, "did lookup hidden %s:%p[#%d,%lu] »%s«.",
-+ inode->i_sb->s_id, inode, inode->i_tag, inode->i_ino,
-+ vxd_path(&nd->path));
-+ dput(dentry);
-+ return -ENOENT;
-
- need_lookup:
- dentry = real_lookup(nd->path.dentry, name, nd);
-@@ -1407,7 +1507,7 @@ static int may_delete(struct inode *dir,
- if (IS_APPEND(dir))
+ err = follow_managed(path, nd->flags);
+@@ -2434,7 +2540,7 @@ static int may_delete(struct inode *dir,
return -EPERM;
- if (check_sticky(dir, victim->d_inode)||IS_APPEND(victim->d_inode)||
-- IS_IMMUTABLE(victim->d_inode))
-+ IS_IXORUNLINK(victim->d_inode))
+
+ if (check_sticky(dir, inode) || IS_APPEND(inode) ||
+- IS_IMMUTABLE(inode) || IS_SWAPFILE(inode))
++ IS_IXORUNLINK(inode) || IS_SWAPFILE(inode))
return -EPERM;
if (isdir) {
- if (!S_ISDIR(victim->d_inode->i_mode))
-@@ -1551,6 +1651,14 @@ int may_open(struct nameidata *nd, int a
- flag &= ~O_TRUNC;
+ if (!d_is_dir(victim))
+@@ -2516,19 +2622,25 @@ int vfs_create(struct inode *dir, struct
+ bool want_excl)
+ {
+ int error = may_create(dir, dentry);
+- if (error)
++ if (error) {
++ vxdprintk(VXD_CBIT(misc, 3), "may_create failed with %d", error);
+ return error;
++ }
+
+ if (!dir->i_op->create)
+ return -EACCES; /* shouldn't it be ENOSYS? */
+ mode &= S_IALLUGO;
+ mode |= S_IFREG;
+ error = security_inode_create(dir, dentry, mode);
+- if (error)
++ if (error) {
++ vxdprintk(VXD_CBIT(misc, 3), "security_inode_create failed with %d", error);
+ return error;
++ }
+ error = dir->i_op->create(dir, dentry, mode, want_excl);
+ if (!error)
+ fsnotify_create(dir, dentry);
++ else
++ vxdprintk(VXD_CBIT(misc, 3), "i_op->create failed with %d", error);
+ return error;
+ }
+ EXPORT_SYMBOL(vfs_create);
+@@ -2564,6 +2676,15 @@ static int may_open(struct path *path, i
+ break;
}
+#ifdef CONFIG_VSERVER_COWBL
-+ if (IS_COW(inode) && (flag & FMODE_WRITE)) {
++ if (IS_COW(inode) &&
++ ((flag & O_ACCMODE) != O_RDONLY)) {
+ if (IS_COW_LINK(inode))
+ return -EMLINK;
+ inode->i_flags &= ~(S_IXUNLINK|S_IMMUTABLE);
+ mark_inode_dirty(inode);
+ }
+#endif
- error = vfs_permission(nd, acc_mode);
+ error = inode_permission(inode, acc_mode);
if (error)
return error;
-@@ -1677,6 +1785,11 @@ struct file *do_filp_open(int dfd, const
- int will_write;
- int flag = open_to_namei_flags(open_flag);
-
-+#ifdef CONFIG_VSERVER_COWBL
-+ int rflag = flag;
-+ int rmode = mode;
-+restart:
-+#endif
- acc_mode = MAY_OPEN | ACC_MODE(flag);
-
- /* O_TRUNC implies we need access checks for write permissions */
-@@ -1800,6 +1913,25 @@ ok:
- goto exit;
+@@ -3058,6 +3179,16 @@ finish_open:
}
- error = may_open(&nd, acc_mode, flag);
+ finish_open_created:
+ error = may_open(&nd->path, acc_mode, open_flag);
+#ifdef CONFIG_VSERVER_COWBL
+ if (error == -EMLINK) {
+ struct dentry *dentry;
-+ dentry = cow_break_link(pathname);
-+ if (IS_ERR(dentry)) {
++ dentry = cow_break_link(name->name);
++ if (IS_ERR(dentry))
+ error = PTR_ERR(dentry);
-+ goto exit_cow;
-+ }
-+ dput(dentry);
-+ if (will_write)
-+ mnt_drop_write(nd.path.mnt);
-+ release_open_intent(&nd);
-+ path_put(&nd.path);
-+ flag = rflag;
-+ mode = rmode;
-+ goto restart;
++ else
++ dput(dentry);
+ }
-+exit_cow:
+#endif
- if (error) {
- if (will_write)
- mnt_drop_write(nd.path.mnt);
-@@ -1952,9 +2084,17 @@ int vfs_mknod(struct inode *dir, struct
if (error)
- return error;
-
-- if ((S_ISCHR(mode) || S_ISBLK(mode)) && !capable(CAP_MKNOD))
-+ if (!(S_ISCHR(mode) || S_ISBLK(mode)))
-+ goto okay;
-+
-+ if (!capable(CAP_MKNOD))
- return -EPERM;
+ goto out;
-+ if (S_ISCHR(mode) && !vs_chrdev_perm(dev, DATTR_CREATE))
-+ return -EPERM;
-+ if (S_ISBLK(mode) && !vs_blkdev_perm(dev, DATTR_CREATE))
-+ return -EPERM;
-+okay:
- if (!dir->i_op || !dir->i_op->mknod)
- return -EPERM;
+@@ -3187,6 +3318,7 @@ static struct file *path_openat(int dfd,
+ int opened = 0;
+ int error;
-@@ -2395,7 +2535,7 @@ int vfs_link(struct dentry *old_dentry,
++restart:
+ file = get_empty_filp();
+ if (IS_ERR(file))
+ return file;
+@@ -3228,6 +3360,16 @@ static struct file *path_openat(int dfd,
+ error = do_last(nd, &path, file, op, &opened, pathname);
+ put_link(nd, &link, cookie);
+ }
++
++#ifdef CONFIG_VSERVER_COWBL
++ if (error == -EMLINK) {
++ if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
++ path_put(&nd->root);
++ if (base)
++ fput(base);
++ goto restart;
++ }
++#endif
+ out:
+ if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
+ path_put(&nd->root);
+@@ -3343,6 +3485,11 @@ struct dentry *kern_path_create(int dfd,
+ goto fail;
+ }
+ *path = nd.path;
++ vxdprintk(VXD_CBIT(misc, 3), "kern_path_create path.dentry = %p (%.*s), dentry = %p (%.*s), d_inode = %p",
++ path->dentry, path->dentry->d_name.len,
++ path->dentry->d_name.name, dentry,
++ dentry->d_name.len, dentry->d_name.name,
++ path->dentry->d_inode);
+ return dentry;
+ fail:
+ dput(dentry);
+@@ -3899,7 +4046,7 @@ int vfs_link(struct dentry *old_dentry,
/*
* A link to an append-only or immutable file cannot be created.
*/
- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
return -EPERM;
- if (!dir->i_op || !dir->i_op->link)
+ if (!dir->i_op->link)
return -EPERM;
-@@ -2755,6 +2895,217 @@ int vfs_follow_link(struct nameidata *nd
- return __vfs_follow_link(nd, link);
+@@ -4404,6 +4551,289 @@ int generic_readlink(struct dentry *dent
}
+ EXPORT_SYMBOL(generic_readlink);
+
+#ifdef CONFIG_VSERVER_COWBL
+
-+#include <linux/file.h>
-+
+static inline
+long do_cow_splice(struct file *in, struct file *out, size_t len)
+{
+ loff_t ppos = 0;
++ loff_t opos = 0;
+
-+ return do_splice_direct(in, &ppos, out, len, 0);
++ return do_splice_direct(in, &ppos, out, &opos, len, 0);
+}
+
+struct dentry *cow_break_link(const char *pathname)
+{
-+ int ret, mode, pathlen, redo = 0;
++ int ret, mode, pathlen, redo = 0, drop = 1;
+ struct nameidata old_nd, dir_nd;
-+ struct path old_path, new_path;
-+ struct dentry *dir, *res = NULL;
++ struct path dir_path, *old_path, *new_path;
++ struct dentry *dir, *old_dentry, *new_dentry = NULL;
+ struct file *old_file;
+ struct file *new_file;
+ char *to, *path, pad='\251';
+ loff_t size;
+
-+ vxdprintk(VXD_CBIT(misc, 1), "cow_break_link(»%s«)", pathname);
++ vxdprintk(VXD_CBIT(misc, 1),
++ "cow_break_link(" VS_Q("%s") ")", pathname);
++
+ path = kmalloc(PATH_MAX, GFP_KERNEL);
+ ret = -ENOMEM;
+ if (!path)
+ goto out;
+
-+ /* old_nd will have refs to dentry and mnt */
-+ ret = path_lookup(pathname, LOOKUP_FOLLOW, &old_nd);
-+ vxdprintk(VXD_CBIT(misc, 2), "path_lookup(old): %d", ret);
++ /* old_nd.path will have refs to dentry and mnt */
++ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "do_path_lookup(old): %d", ret);
+ if (ret < 0)
+ goto out_free_path;
+
-+ old_path = old_nd.path;
-+ mode = old_path.dentry->d_inode->i_mode;
++ /* dentry/mnt refs handed over to old_path */
++ old_path = &old_nd.path;
++ /* no explicit reference for old_dentry here */
++ old_dentry = old_path->dentry;
+
-+ to = d_path(&old_path, path, PATH_MAX-2);
++ mode = old_dentry->d_inode->i_mode;
++ to = d_path(old_path, path, PATH_MAX-2);
+ pathlen = strlen(to);
-+ vxdprintk(VXD_CBIT(misc, 2), "old path »%s« [»%.*s«:%d]", to,
-+ old_path.dentry->d_name.len, old_path.dentry->d_name.name,
-+ old_path.dentry->d_name.len);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "old path " VS_Q("%s") " [%p:" VS_Q("%.*s") ":%d]", to,
++ old_dentry,
++ old_dentry->d_name.len, old_dentry->d_name.name,
++ old_dentry->d_name.len);
+
+ to[pathlen + 1] = 0;
+retry:
++ new_dentry = NULL;
+ to[pathlen] = pad--;
-+ ret = -EMLINK;
++ ret = -ELOOP;
+ if (pad <= '\240')
+ goto out_rel_old;
+
-+ vxdprintk(VXD_CBIT(misc, 1), "temp copy »%s«", to);
-+ /* dir_nd will have refs to dentry and mnt */
-+ ret = path_lookup(to,
++ vxdprintk(VXD_CBIT(misc, 1), "temp copy " VS_Q("%s"), to);
++
++ /* dir_nd.path will have refs to dentry and mnt */
++ ret = do_path_lookup(AT_FDCWD, to,
+ LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE, &dir_nd);
-+ vxdprintk(VXD_CBIT(misc, 2),
-+ "path_lookup(new): %d", ret);
++ vxdprintk(VXD_CBIT(misc, 2), "do_path_lookup(new): %d", ret);
+ if (ret < 0)
+ goto retry;
+
-+ /* this puppy downs the inode mutex */
-+ new_path.dentry = lookup_create(&dir_nd, 0);
-+ if (!new_path.dentry || IS_ERR(new_path.dentry)) {
-+ vxdprintk(VXD_CBIT(misc, 2),
-+ "lookup_create(new): %p", new_path.dentry);
-+ mutex_unlock(&dir_nd.path.dentry->d_inode->i_mutex);
++ /* this puppy downs the dir inode mutex if successful.
++ dir_path will hold refs to dentry and mnt and
++ we'll have write access to the mnt */
++ new_dentry = kern_path_create(AT_FDCWD, to, &dir_path, 0);
++ if (!new_dentry || IS_ERR(new_dentry)) {
+ path_put(&dir_nd.path);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "kern_path_create(new) failed with %ld",
++ PTR_ERR(new_dentry));
+ goto retry;
+ }
+ vxdprintk(VXD_CBIT(misc, 2),
-+ "lookup_create(new): %p [»%.*s«:%d]", new_path.dentry,
-+ new_path.dentry->d_name.len, new_path.dentry->d_name.name,
-+ new_path.dentry->d_name.len);
++ "kern_path_create(new): %p [" VS_Q("%.*s") ":%d]",
++ new_dentry,
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len);
++
++ /* take a reference on new_dentry */
++ dget(new_dentry);
++
++ /* dentry/mnt refs handed over to new_path */
++ new_path = &dir_path;
++
++ /* dentry for old/new dir */
+ dir = dir_nd.path.dentry;
+
-+ ret = vfs_create(dir_nd.path.dentry->d_inode, new_path.dentry, mode, &dir_nd);
++ /* give up reference on dir */
++ dput(new_path->dentry);
++
++ /* new_dentry already has a reference */
++ new_path->dentry = new_dentry;
++
++ ret = vfs_create(dir->d_inode, new_dentry, mode, 1);
+ vxdprintk(VXD_CBIT(misc, 2),
+ "vfs_create(new): %d", ret);
+ if (ret == -EEXIST) {
-+ mutex_unlock(&dir->d_inode->i_mutex);
-+ dput(new_path.dentry);
+ path_put(&dir_nd.path);
++ mutex_unlock(&dir->d_inode->i_mutex);
++ mnt_drop_write(new_path->mnt);
++ path_put(new_path);
++ new_dentry = NULL;
+ goto retry;
+ }
+ else if (ret < 0)
+
+ /* drop out early, ret passes ENOENT */
+ ret = -ENOENT;
-+ if ((redo = d_unhashed(old_path.dentry)))
++ if ((redo = d_unhashed(old_dentry)))
+ goto out_unlock_new;
+
-+ new_path.mnt = dir_nd.path.mnt;
-+ dget(old_path.dentry);
-+ mntget(old_path.mnt);
-+ /* this one cleans up the dentry/mnt in case of failure */
-+ old_file = dentry_open(old_path.dentry, old_path.mnt, O_RDONLY);
++ /* doesn't change refs for old_path */
++ old_file = dentry_open(old_path, O_RDONLY, current_cred());
+ vxdprintk(VXD_CBIT(misc, 2),
+ "dentry_open(old): %p", old_file);
-+ if (!old_file || IS_ERR(old_file)) {
-+ res = IS_ERR(old_file) ? (void *) old_file : res;
++ if (IS_ERR(old_file)) {
++ ret = PTR_ERR(old_file);
+ goto out_unlock_new;
+ }
+
-+ dget(new_path.dentry);
-+ mntget(new_path.mnt);
-+ /* this one cleans up the dentry/mnt in case of failure */
-+ new_file = dentry_open(new_path.dentry, new_path.mnt, O_WRONLY);
++ /* doesn't change refs for new_path */
++ new_file = dentry_open(new_path, O_WRONLY, current_cred());
+ vxdprintk(VXD_CBIT(misc, 2),
+ "dentry_open(new): %p", new_file);
-+
-+ ret = IS_ERR(new_file) ? PTR_ERR(new_file) : -ENOENT;
-+ if (!new_file || IS_ERR(new_file))
++ if (IS_ERR(new_file)) {
++ ret = PTR_ERR(new_file);
+ goto out_fput_old;
++ }
++
++ /* unlock the inode mutex from kern_path_create() */
++ mutex_unlock(&dir->d_inode->i_mutex);
++
++ /* drop write access to mnt */
++ mnt_drop_write(new_path->mnt);
++
++ drop = 0;
+
+ size = i_size_read(old_file->f_dentry->d_inode);
+ ret = do_cow_splice(old_file, new_file, size);
+ ret = -ENOSPC;
+ goto out_fput_both;
+ } else {
-+ struct inode *old_inode = old_path.dentry->d_inode;
-+ struct inode *new_inode = new_path.dentry->d_inode;
++ struct inode *old_inode = old_dentry->d_inode;
++ struct inode *new_inode = new_dentry->d_inode;
+ struct iattr attr = {
+ .ia_uid = old_inode->i_uid,
+ .ia_gid = old_inode->i_gid,
+ .ia_valid = ATTR_UID | ATTR_GID
+ };
+
-+ ret = inode_setattr(new_inode, &attr);
-+ if (ret)
-+ goto out_fput_both;
++ setattr_copy(new_inode, &attr);
++ mark_inode_dirty(new_inode);
+ }
+
-+ mutex_lock(&old_path.dentry->d_inode->i_sb->s_vfs_rename_mutex);
++ /* lock rename mutex */
++ mutex_lock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
+
+ /* drop out late */
+ ret = -ENOENT;
-+ if ((redo = d_unhashed(old_path.dentry)))
++ if ((redo = d_unhashed(old_dentry)))
+ goto out_unlock;
+
+ vxdprintk(VXD_CBIT(misc, 2),
-+ "vfs_rename: [»%*s«:%d] -> [»%*s«:%d]",
-+ new_path.dentry->d_name.len, new_path.dentry->d_name.name,
-+ new_path.dentry->d_name.len,
-+ old_path.dentry->d_name.len, old_path.dentry->d_name.name,
-+ old_path.dentry->d_name.len);
-+ ret = vfs_rename(dir_nd.path.dentry->d_inode, new_path.dentry,
-+ old_nd.path.dentry->d_parent->d_inode, old_path.dentry);
++ "vfs_rename: [" VS_Q("%*s") ":%d] -> [" VS_Q("%*s") ":%d]",
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len,
++ old_dentry->d_name.len, old_dentry->d_name.name,
++ old_dentry->d_name.len);
++ ret = vfs_rename(dir_nd.path.dentry->d_inode, new_dentry,
++ old_dentry->d_parent->d_inode, old_dentry, NULL, 0);
+ vxdprintk(VXD_CBIT(misc, 2), "vfs_rename: %d", ret);
-+ res = new_path.dentry;
+
+out_unlock:
-+ mutex_unlock(&old_path.dentry->d_inode->i_sb->s_vfs_rename_mutex);
++ mutex_unlock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
+
+out_fput_both:
+ vxdprintk(VXD_CBIT(misc, 3),
+ "fput(new_file=%p[#%ld])", new_file,
-+ atomic_read(&new_file->f_count));
++ atomic_long_read(&new_file->f_count));
+ fput(new_file);
+
+out_fput_old:
+ vxdprintk(VXD_CBIT(misc, 3),
+ "fput(old_file=%p[#%ld])", old_file,
-+ atomic_read(&old_file->f_count));
++ atomic_long_read(&old_file->f_count));
+ fput(old_file);
+
+out_unlock_new:
-+ mutex_unlock(&dir->d_inode->i_mutex);
++ /* drop references from dir_nd.path */
++ path_put(&dir_nd.path);
++
++ if (drop) {
++ /* unlock the inode mutex from kern_path_create() */
++ mutex_unlock(&dir->d_inode->i_mutex);
++
++ /* drop write access to mnt */
++ mnt_drop_write(new_path->mnt);
++ }
++
+ if (!ret)
+ goto out_redo;
+
+ /* error path cleanup */
-+ vfs_unlink(dir->d_inode, new_path.dentry);
-+ dput(new_path.dentry);
++ vfs_unlink(dir->d_inode, new_dentry, NULL);
+
+out_redo:
+ if (!redo)
+ goto out_rel_both;
-+ /* lookup dentry once again */
-+ path_put(&old_nd.path);
-+ ret = path_lookup(pathname, LOOKUP_FOLLOW, &old_nd);
++
++ /* lookup dentry once again
++ old_nd.path will be freed as old_path in out_rel_old */
++ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
+ if (ret)
+ goto out_rel_both;
+
-+ new_path.dentry = old_nd.path.dentry;
++ /* drop reference on new_dentry */
++ dput(new_dentry);
++ new_dentry = old_path->dentry;
++ dget(new_dentry);
+ vxdprintk(VXD_CBIT(misc, 2),
-+ "path_lookup(redo): %p [»%.*s«:%d]", new_path.dentry,
-+ new_path.dentry->d_name.len, new_path.dentry->d_name.name,
-+ new_path.dentry->d_name.len);
-+ dget(new_path.dentry);
-+ res = new_path.dentry;
++ "do_path_lookup(redo): %p [" VS_Q("%.*s") ":%d]",
++ new_dentry,
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len);
+
+out_rel_both:
-+ path_put(&dir_nd.path);
++ if (new_path)
++ path_put(new_path);
+out_rel_old:
-+ path_put(&old_nd.path);
++ path_put(old_path);
+out_free_path:
+ kfree(path);
+out:
-+ if (ret)
-+ res = ERR_PTR(ret);
-+ return res;
++ if (ret) {
++ dput(new_dentry);
++ new_dentry = ERR_PTR(ret);
++ }
++ vxdprintk(VXD_CBIT(misc, 3),
++ "cow_break_link returning with %p", new_dentry);
++ return new_dentry;
+}
+
+#endif
++
++int vx_info_mnt_namespace(struct mnt_namespace *ns, char *buffer)
++{
++ struct path path;
++ struct vfsmount *vmnt;
++ char *pstr, *root;
++ int length = 0;
++
++ pstr = kmalloc(PATH_MAX, GFP_KERNEL);
++ if (!pstr)
++ return 0;
++
++ vmnt = &ns->root->mnt;
++ path.mnt = vmnt;
++ path.dentry = vmnt->mnt_root;
++ root = d_path(&path, pstr, PATH_MAX - 2);
++ length = sprintf(buffer + length,
++ "Namespace:\t%p [#%u]\n"
++ "RootPath:\t%s\n",
++ ns, atomic_read(&ns->count),
++ root);
++ kfree(pstr);
++ return length;
++}
++
++EXPORT_SYMBOL(vx_info_mnt_namespace);
+
/* get the link contents into pagecache */
static char *page_getlink(struct dentry * dentry, struct page **ppage)
{
-diff -NurpP --minimal linux-2.6.27.33/fs/namespace.c linux-2.6.27.33-vs2.3.0.36.6/fs/namespace.c
---- linux-2.6.27.33/fs/namespace.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/namespace.c 2009-05-15 22:59:20.000000000 +0200
-@@ -27,6 +27,11 @@
- #include <linux/ramfs.h>
- #include <linux/log2.h>
- #include <linux/idr.h>
+diff -NurpP --minimal linux-3.18.5/fs/namespace.c linux-3.18.5-vs2.3.7.3/fs/namespace.c
+--- linux-3.18.5/fs/namespace.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/namespace.c 2015-01-19 12:08:57.000000000 +0000
+@@ -24,6 +24,11 @@
+ #include <linux/magic.h>
+ #include <linux/bootmem.h>
+ #include <linux/task_work.h>
+#include <linux/vs_base.h>
+#include <linux/vs_context.h>
+#include <linux/vs_tag.h>
+#include <linux/vserver/space.h>
+#include <linux/vserver/global.h>
- #include <asm/uaccess.h>
- #include <asm/unistd.h>
#include "pnode.h"
-@@ -573,6 +578,7 @@ static struct vfsmount *clone_mnt(struct
- mnt->mnt_root = dget(root);
- mnt->mnt_mountpoint = mnt->mnt_root;
- mnt->mnt_parent = mnt;
-+ mnt->mnt_tag = old->mnt_tag;
-
- if (flag & CL_SLAVE) {
- list_add(&mnt->mnt_slave, &old->mnt_slave_list);
-@@ -685,6 +691,31 @@ static inline void mangle(struct seq_fil
- seq_escape(m, s, " \t\n\\");
+ #include "internal.h"
+
+@@ -897,6 +902,10 @@ vfs_kern_mount(struct file_system_type *
+ if (!type)
+ return ERR_PTR(-ENODEV);
+
++ if ((type->fs_flags & FS_BINARY_MOUNTDATA) &&
++ !vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT))
++ return ERR_PTR(-EPERM);
++
+ mnt = alloc_vfsmnt(name);
+ if (!mnt)
+ return ERR_PTR(-ENOMEM);
+@@ -971,6 +980,7 @@ static struct mount *clone_mnt(struct mo
+ mnt->mnt.mnt_root = dget(root);
+ mnt->mnt_mountpoint = mnt->mnt.mnt_root;
+ mnt->mnt_parent = mnt;
++ mnt->mnt_tag = old->mnt_tag;
+ lock_mount_hash();
+ list_add_tail(&mnt->mnt_instance, &sb->s_mounts);
+ unlock_mount_hash();
+@@ -1508,7 +1518,8 @@ out_unlock:
+ */
+ static inline bool may_mount(void)
+ {
+- return ns_capable(current->nsproxy->mnt_ns->user_ns, CAP_SYS_ADMIN);
++ return vx_ns_capable(current->nsproxy->mnt_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SECURE_MOUNT);
}
-+static int mnt_is_reachable(struct vfsmount *mnt)
-+{
-+ struct path root;
-+ struct dentry *point;
-+ int ret;
+ /*
+@@ -1969,6 +1980,7 @@ static int do_change_type(struct path *p
+ if (err)
+ goto out_unlock;
+ }
++ // mnt->mnt_flags = mnt_flags;
+
+ lock_mount_hash();
+ for (m = mnt; m; m = (recurse ? next_mnt(m, mnt) : NULL))
+@@ -1997,12 +2009,14 @@ static bool has_locked_children(struct m
+ * do loopback mount.
+ */
+ static int do_loopback(struct path *path, const char *old_name,
+- int recurse)
++ vtag_t tag, unsigned long flags, int mnt_flags)
+ {
+ struct path old_path;
+ struct mount *mnt = NULL, *old, *parent;
+ struct mountpoint *mp;
++ int recurse = flags & MS_REC;
+ int err;
+
-+ if (mnt == mnt->mnt_ns->root)
-+ return 1;
-+
-+ spin_lock(&vfsmount_lock);
-+ root = current->fs->root;
-+ point = root.dentry;
-+
-+ while ((mnt != mnt->mnt_parent) && (mnt != root.mnt)) {
-+ point = mnt->mnt_mountpoint;
-+ mnt = mnt->mnt_parent;
-+ }
-+
-+ ret = (mnt == root.mnt) && is_subdir(point, root.dentry);
-+
-+ spin_unlock(&vfsmount_lock);
-+
-+ return ret;
-+}
-+
- /*
- * Simple .show_options callback for filesystems which don't want to
- * implement more complex mount option showing.
-@@ -757,6 +788,8 @@ static int show_sb_opts(struct seq_file
- { MS_SYNCHRONOUS, ",sync" },
- { MS_DIRSYNC, ",dirsync" },
- { MS_MANDLOCK, ",mand" },
-+ { MS_TAGGED, ",tag" },
-+ { MS_NOTAGCHECK, ",notagcheck" },
- { 0, NULL }
- };
- const struct proc_fs_info *fs_infop;
-@@ -803,10 +836,20 @@ static int show_vfsmnt(struct seq_file *
- int err = 0;
- struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
-
-- mangle(m, mnt->mnt_devname ? mnt->mnt_devname : "none");
-- seq_putc(m, ' ');
-- seq_path(m, &mnt_path, " \t\n\\");
-- seq_putc(m, ' ');
-+ if (vx_flags(VXF_HIDE_MOUNT, 0))
-+ return SEQ_SKIP;
-+ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
-+ return SEQ_SKIP;
-+
-+ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
-+ mnt == current->fs->root.mnt) {
-+ seq_puts(m, "/dev/root / ");
-+ } else {
-+ mangle(m, mnt->mnt_devname ? mnt->mnt_devname : "none");
-+ seq_putc(m, ' ');
-+ seq_path(m, &mnt_path, " \t\n\\");
-+ seq_putc(m, ' ');
-+ }
- show_type(m, mnt->mnt_sb);
- seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw");
- err = show_sb_opts(m, mnt->mnt_sb);
-@@ -836,6 +879,11 @@ static int show_mountinfo(struct seq_fil
- struct path root = p->root;
- int err = 0;
-
-+ if (vx_flags(VXF_HIDE_MOUNT, 0))
-+ return SEQ_SKIP;
-+ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
-+ return SEQ_SKIP;
-+
- seq_printf(m, "%i %i %u:%u ", mnt->mnt_id, mnt->mnt_parent->mnt_id,
- MAJOR(sb->s_dev), MINOR(sb->s_dev));
- seq_dentry(m, mnt->mnt_root, " \t\n\\");
-@@ -894,17 +942,27 @@ static int show_vfsstat(struct seq_file
- struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
- int err = 0;
-
-- /* device */
-- if (mnt->mnt_devname) {
-- seq_puts(m, "device ");
-- mangle(m, mnt->mnt_devname);
-- } else
-- seq_puts(m, "no device");
-+ if (vx_flags(VXF_HIDE_MOUNT, 0))
-+ return SEQ_SKIP;
-+ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
-+ return SEQ_SKIP;
-
-- /* mount point */
-- seq_puts(m, " mounted on ");
-- seq_path(m, &mnt_path, " \t\n\\");
-- seq_putc(m, ' ');
-+ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
-+ mnt == current->fs->root.mnt) {
-+ seq_puts(m, "device /dev/root mounted on / ");
-+ } else {
-+ /* device */
-+ if (mnt->mnt_devname) {
-+ seq_puts(m, "device ");
-+ mangle(m, mnt->mnt_devname);
-+ } else
-+ seq_puts(m, "no device");
-+
-+ /* mount point */
-+ seq_puts(m, " mounted on ");
-+ seq_path(m, &mnt_path, " \t\n\\");
-+ seq_putc(m, ' ');
-+ }
-
- /* file system type */
- seq_puts(m, "with fstype ");
-@@ -1143,7 +1201,7 @@ SYSCALL_DEFINE2(umount, char __user *, n
- goto dput_and_out;
-
- retval = -EPERM;
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
- goto dput_and_out;
-
- retval = do_umount(path.mnt, flags);
-@@ -1169,7 +1227,7 @@ SYSCALL_DEFINE1(oldumount, char __user *
-
- static int mount_is_safe(struct nameidata *nd)
- {
-- if (capable(CAP_SYS_ADMIN))
-+ if (vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
- return 0;
- return -EPERM;
- #ifdef notyet
-@@ -1462,11 +1520,13 @@ static noinline int do_change_type(struc
- * noinline this do_mount helper to save do_mount stack space.
- */
- static noinline int do_loopback(struct nameidata *nd, char *old_name,
-- int recurse)
-+ tag_t tag, unsigned long flags, int mnt_flags)
- {
- struct nameidata old_nd;
- struct vfsmount *mnt = NULL;
- int err = mount_is_safe(nd);
-+ int recurse = flags & MS_REC;
-+
- if (err)
- return err;
if (!old_name || !*old_name)
-@@ -1500,6 +1560,7 @@ static noinline int do_loopback(struct n
- spin_unlock(&vfsmount_lock);
- release_mounts(&umount_list);
- }
-+ mnt->mnt_flags = mnt_flags;
-
- out:
- up_write(&namespace_sem);
-@@ -1531,12 +1592,12 @@ static int change_mount_flags(struct vfs
- * noinline this do_mount helper to save do_mount stack space.
+ return -EINVAL;
+ err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);
+@@ -2079,7 +2093,7 @@ static int change_mount_flags(struct vfs
+ * on it - tough luck.
*/
- static noinline int do_remount(struct nameidata *nd, int flags, int mnt_flags,
+ static int do_remount(struct path *path, int flags, int mnt_flags,
- void *data)
-+ void *data, xid_t xid)
++ void *data, vxid_t xid)
{
int err;
- struct super_block *sb = nd->path.mnt->mnt_sb;
-
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_REMOUNT))
- return -EPERM;
-
- if (!check_mnt(nd->path.mnt))
-@@ -1582,7 +1643,7 @@ static noinline int do_move_mount(struct
- struct path parent_path;
- struct vfsmount *p;
- int err = 0;
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
- return -EPERM;
- if (!old_name || !*old_name)
- return -EINVAL;
-@@ -1665,7 +1726,7 @@ static noinline int do_new_mount(struct
- return -EINVAL;
-
- /* we need capabilities... */
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
- return -EPERM;
-
- mnt = do_kern_mount(type, flags, name, data);
-@@ -1910,6 +1971,7 @@ long do_mount(char *dev_name, char *dir_
- struct nameidata nd;
+ struct super_block *sb = path->mnt->mnt_sb;
+@@ -2579,6 +2593,7 @@ long do_mount(const char *dev_name, cons
+ struct path path;
int retval = 0;
int mnt_flags = 0;
-+ tag_t tag = 0;
++ vtag_t tag = 0;
/* Discard magic */
if ((flags & MS_MGC_MSK) == MS_MGC_VAL)
-@@ -1925,6 +1987,12 @@ long do_mount(char *dev_name, char *dir_
- if (data_page)
- ((char *)data_page)[PAGE_SIZE - 1] = 0;
+@@ -2604,6 +2619,12 @@ long do_mount(const char *dev_name, cons
+ if (!(flags & MS_NOATIME))
+ mnt_flags |= MNT_RELATIME;
+ if (dx_parse_tag(data_page, &tag, 1, &mnt_flags, &flags)) {
+ /* FIXME: bind and re-mounts get the tag flag? */
/* Separate the per-mountpoint flags */
if (flags & MS_NOSUID)
mnt_flags |= MNT_NOSUID;
-@@ -1941,6 +2009,8 @@ long do_mount(char *dev_name, char *dir_
- if (flags & MS_RDONLY)
- mnt_flags |= MNT_READONLY;
+@@ -2628,15 +2649,17 @@ long do_mount(const char *dev_name, cons
+ mnt_flags |= path.mnt->mnt_flags & MNT_ATIME_MASK;
+ }
-+ if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_DEV_MOUNT))
+ mnt_flags |= MNT_NODEV;
- flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE |
- MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT);
-
-@@ -1956,9 +2026,9 @@ long do_mount(char *dev_name, char *dir_
+ flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | MS_BORN |
+ MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
+ MS_STRICTATIME);
if (flags & MS_REMOUNT)
- retval = do_remount(&nd, flags & ~MS_REMOUNT, mnt_flags,
+ retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
- data_page);
+ data_page, tag);
else if (flags & MS_BIND)
-- retval = do_loopback(&nd, dev_name, flags & MS_REC);
-+ retval = do_loopback(&nd, dev_name, tag, flags, mnt_flags);
+- retval = do_loopback(&path, dev_name, flags & MS_REC);
++ retval = do_loopback(&path, dev_name, tag, flags, mnt_flags);
else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
- retval = do_change_type(&nd, flags);
+ retval = do_change_type(&path, flags);
else if (flags & MS_MOVE)
-@@ -2027,6 +2097,7 @@ static struct mnt_namespace *dup_mnt_ns(
- q = next_mnt(q, new_ns->root);
+@@ -2752,6 +2775,7 @@ struct mnt_namespace *copy_mnt_ns(unsign
+ p = next_mnt(p, old);
}
- up_write(&namespace_sem);
+ namespace_unlock();
+ atomic_inc(&vs_global_mnt_ns);
if (rootmnt)
mntput(rootmnt);
-@@ -2213,9 +2284,10 @@ SYSCALL_DEFINE2(pivot_root, const char _
- down_write(&namespace_sem);
- mutex_lock(&old.dentry->d_inode->i_mutex);
- error = -EINVAL;
-- if (IS_MNT_SHARED(old.mnt) ||
-+ if ((IS_MNT_SHARED(old.mnt) ||
- IS_MNT_SHARED(new.mnt->mnt_parent) ||
-- IS_MNT_SHARED(root.mnt->mnt_parent))
-+ IS_MNT_SHARED(root.mnt->mnt_parent)) &&
+@@ -2926,9 +2950,10 @@ SYSCALL_DEFINE2(pivot_root, const char _
+ new_mnt = real_mount(new.mnt);
+ root_mnt = real_mount(root.mnt);
+ old_mnt = real_mount(old.mnt);
+- if (IS_MNT_SHARED(old_mnt) ||
++ if ((IS_MNT_SHARED(old_mnt) ||
+ IS_MNT_SHARED(new_mnt->mnt_parent) ||
+- IS_MNT_SHARED(root_mnt->mnt_parent))
++ IS_MNT_SHARED(root_mnt->mnt_parent)) &&
+ !vx_flags(VXF_STATE_SETUP, 0))
- goto out2;
- if (!check_mnt(root.mnt))
- goto out2;
-@@ -2354,5 +2426,6 @@ void __put_mnt_ns(struct mnt_namespace *
- spin_unlock(&vfsmount_lock);
- up_write(&namespace_sem);
- release_mounts(&umount_list);
+ goto out4;
+ if (!check_mnt(root_mnt) || !check_mnt(new_mnt))
+ goto out4;
+@@ -3063,6 +3088,7 @@ void put_mnt_ns(struct mnt_namespace *ns
+ if (!atomic_dec_and_test(&ns->count))
+ return;
+ drop_collected_mounts(&ns->root->mnt);
+ atomic_dec(&vs_global_mnt_ns);
- kfree(ns);
+ free_mnt_ns(ns);
}
-diff -NurpP --minimal linux-2.6.27.33/fs/nfs/client.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/client.c
---- linux-2.6.27.33/fs/nfs/client.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/client.c 2008-10-13 14:54:20.000000000 +0200
-@@ -601,6 +601,9 @@ static int nfs_init_server_rpcclient(str
+
+diff -NurpP --minimal linux-3.18.5/fs/nfs/client.c linux-3.18.5-vs2.3.7.3/fs/nfs/client.c
+--- linux-3.18.5/fs/nfs/client.c 2015-01-17 02:40:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/nfs/client.c 2015-01-19 10:58:03.000000000 +0000
+@@ -693,6 +693,9 @@ int nfs_init_server_rpcclient(struct nfs
if (server->flags & NFS_MOUNT_SOFT)
server->client->cl_softrtry = 1;
+ server->client->cl_tag = 1;
return 0;
}
-
-@@ -766,6 +769,10 @@ static void nfs_server_set_fsinfo(struct
+ EXPORT_SYMBOL_GPL(nfs_init_server_rpcclient);
+@@ -871,6 +874,10 @@ static void nfs_server_set_fsinfo(struct
server->acdirmin = server->acdirmax = 0;
}
+
server->maxfilesize = fsinfo->maxfilesize;
- /* We're airborne Set socket buffersize */
-diff -NurpP --minimal linux-2.6.27.33/fs/nfs/dir.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/dir.c
---- linux-2.6.27.33/fs/nfs/dir.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/dir.c 2009-06-15 17:22:10.000000000 +0200
-@@ -34,6 +34,7 @@
- #include <linux/namei.h>
- #include <linux/mount.h>
+ server->time_delta = fsinfo->time_delta;
+diff -NurpP --minimal linux-3.18.5/fs/nfs/dir.c linux-3.18.5-vs2.3.7.3/fs/nfs/dir.c
+--- linux-3.18.5/fs/nfs/dir.c 2015-01-17 02:40:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/nfs/dir.c 2015-01-19 10:58:03.000000000 +0000
+@@ -37,6 +37,7 @@
#include <linux/sched.h>
+ #include <linux/kmemleak.h>
+ #include <linux/xattr.h>
+#include <linux/vs_tag.h>
- #include "nfs4_fs.h"
#include "delegation.h"
-@@ -938,6 +939,7 @@ static struct dentry *nfs_lookup(struct
- if (IS_ERR(res))
- goto out_unblock_sillyrename;
+ #include "iostat.h"
+@@ -1392,6 +1393,7 @@ struct dentry *nfs_lookup(struct inode *
+ /* Success: notify readdir to use READDIRPLUS */
+ nfs_advise_use_readdirplus(dir);
+ dx_propagate_tag(nd, inode);
no_entry:
res = d_materialise_unique(dentry, inode);
if (res != NULL) {
-diff -NurpP --minimal linux-2.6.27.33/fs/nfs/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/inode.c
---- linux-2.6.27.33/fs/nfs/inode.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/inode.c 2008-10-13 14:54:20.000000000 +0200
-@@ -37,6 +37,7 @@
- #include <linux/vfs.h>
- #include <linux/inet.h>
- #include <linux/nfs_xdr.h>
+diff -NurpP --minimal linux-3.18.5/fs/nfs/inode.c linux-3.18.5-vs2.3.7.3/fs/nfs/inode.c
+--- linux-3.18.5/fs/nfs/inode.c 2015-01-17 02:40:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/nfs/inode.c 2015-01-19 11:44:24.000000000 +0000
+@@ -38,6 +38,7 @@
+ #include <linux/slab.h>
+ #include <linux/compat.h>
+ #include <linux/freezer.h>
+#include <linux/vs_tag.h>
- #include <asm/system.h>
#include <asm/uaccess.h>
-@@ -314,8 +315,10 @@ nfs_fhget(struct super_block *sb, struct
- nfsi->change_attr = fattr->change_attr;
- inode->i_size = nfs_size_to_loff_t(fattr->size);
- inode->i_nlink = fattr->nlink;
-- inode->i_uid = fattr->uid;
-- inode->i_gid = fattr->gid;
-+ inode->i_uid = INOTAG_UID(DX_TAG(inode), fattr->uid, fattr->gid);
-+ inode->i_gid = INOTAG_GID(DX_TAG(inode), fattr->uid, fattr->gid);
-+ inode->i_tag = INOTAG_TAG(DX_TAG(inode), fattr->uid, fattr->gid, 0);
-+ /* maybe fattr->xid someday */
- if (fattr->valid & (NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4)) {
- /*
- * report the blocks in 512byte units
-@@ -462,6 +465,8 @@ void nfs_setattr_update_inode(struct ino
+
+@@ -368,6 +369,8 @@ nfs_fhget(struct super_block *sb, struct
+ if (inode->i_state & I_NEW) {
+ struct nfs_inode *nfsi = NFS_I(inode);
+ unsigned long now = jiffies;
++ kuid_t kuid;
++ kgid_t kgid;
+
+ /* We set i_ino for the few things that still rely on it,
+ * such as stat(2) */
+@@ -412,8 +415,8 @@ nfs_fhget(struct super_block *sb, struct
+ inode->i_version = 0;
+ inode->i_size = 0;
+ clear_nlink(inode);
+- inode->i_uid = make_kuid(&init_user_ns, -2);
+- inode->i_gid = make_kgid(&init_user_ns, -2);
++ kuid = make_kuid(&init_user_ns, -2);
++ kgid = make_kgid(&init_user_ns, -2);
+ inode->i_blocks = 0;
+ memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
+ nfsi->write_io = 0;
+@@ -447,11 +450,11 @@ nfs_fhget(struct super_block *sb, struct
+ else if (nfs_server_capable(inode, NFS_CAP_NLINK))
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR);
+ if (fattr->valid & NFS_ATTR_FATTR_OWNER)
+- inode->i_uid = fattr->uid;
++ kuid = fattr->uid;
+ else if (nfs_server_capable(inode, NFS_CAP_OWNER))
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR);
+ if (fattr->valid & NFS_ATTR_FATTR_GROUP)
+- inode->i_gid = fattr->gid;
++ kgid = fattr->gid;
+ else if (nfs_server_capable(inode, NFS_CAP_OWNER_GROUP))
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR);
+ if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
+@@ -462,6 +465,10 @@ nfs_fhget(struct super_block *sb, struct
+ */
+ inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
+ }
++ inode->i_uid = INOTAG_KUID(DX_TAG(inode), kuid, kgid);
++ inode->i_gid = INOTAG_KGID(DX_TAG(inode), kuid, kgid);
++ inode->i_tag = INOTAG_KTAG(DX_TAG(inode), kuid, kgid, GLOBAL_ROOT_TAG);
++ /* maybe fattr->xid someday */
+
+ nfs_setsecurity(inode, fattr, label);
+
+@@ -592,6 +599,8 @@ void nfs_setattr_update_inode(struct ino
inode->i_uid = attr->ia_uid;
if ((attr->ia_valid & ATTR_GID) != 0)
inode->i_gid = attr->ia_gid;
+ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
+ inode->i_tag = attr->ia_tag;
- spin_lock(&inode->i_lock);
- NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ACCESS
+ | NFS_INO_INVALID_ACL);
spin_unlock(&inode->i_lock);
-@@ -900,6 +905,9 @@ static int nfs_check_inode_attributes(st
+@@ -1171,7 +1180,9 @@ static int nfs_check_inode_attributes(st
struct nfs_inode *nfsi = NFS_I(inode);
loff_t cur_size, new_isize;
unsigned long invalid = 0;
-+ uid_t uid;
-+ gid_t gid;
-+ tag_t tag;
-
+-
++ kuid_t kuid;
++ kgid_t kgid;
++ ktag_t ktag;
- /* Has the inode gone and changed behind our back? */
-@@ -924,10 +932,15 @@ static int nfs_check_inode_attributes(st
- if (cur_size != new_isize && nfsi->npages == 0)
- invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
+ if (nfs_have_delegated_attributes(inode))
+ return 0;
+@@ -1196,13 +1207,18 @@ static int nfs_check_inode_attributes(st
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
+ }
-+ uid = INOTAG_UID(DX_TAG(inode), fattr->uid, fattr->gid);
-+ gid = INOTAG_GID(DX_TAG(inode), fattr->uid, fattr->gid);
-+ tag = INOTAG_TAG(DX_TAG(inode), fattr->uid, fattr->gid, 0);
++ kuid = INOTAG_KUID(DX_TAG(inode), fattr->uid, fattr->gid);
++ kgid = INOTAG_KGID(DX_TAG(inode), fattr->uid, fattr->gid);
++ ktag = INOTAG_KTAG(DX_TAG(inode), fattr->uid, fattr->gid, GLOBAL_ROOT_TAG);
+
/* Have any file permissions changed? */
- if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)
-- || inode->i_uid != fattr->uid
-- || inode->i_gid != fattr->gid)
-+ || inode->i_uid != uid
-+ || inode->i_gid != gid
-+ || inode->i_tag != tag)
+ if ((fattr->valid & NFS_ATTR_FATTR_MODE) && (inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO))
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
+- if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && !uid_eq(inode->i_uid, fattr->uid))
++ if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && !uid_eq(inode->i_uid, kuid))
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
+- if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && !gid_eq(inode->i_gid, fattr->gid))
++ if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && !gid_eq(inode->i_gid, kgid))
invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
++ /* maybe check for tag too? */
/* Has the link count changed? */
-@@ -1048,6 +1061,9 @@ static int nfs_update_inode(struct inode
- loff_t cur_isize, new_isize;
+ if ((fattr->valid & NFS_ATTR_FATTR_NLINK) && inode->i_nlink != fattr->nlink)
+@@ -1533,6 +1549,9 @@ static int nfs_update_inode(struct inode
unsigned long invalid = 0;
unsigned long now = jiffies;
-+ uid_t uid;
-+ gid_t gid;
-+ tag_t tag;
+ unsigned long save_cache_validity;
++ kuid_t kuid;
++ kgid_t kgid;
++ ktag_t ktag;
- dfprintk(VFS, "NFS: %s(%s/%ld ct=%d info=0x%x)\n",
+ dfprintk(VFS, "NFS: %s(%s/%lu fh_crc=0x%08x ct=%d info=0x%x)\n",
__func__, inode->i_sb->s_id, inode->i_ino,
-@@ -1121,15 +1137,21 @@ static int nfs_update_inode(struct inode
- memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
- nfsi->change_attr = fattr->change_attr;
-
-+ uid = INOTAG_UID(DX_TAG(inode), fattr->uid, fattr->gid);
-+ gid = INOTAG_GID(DX_TAG(inode), fattr->uid, fattr->gid);
-+ tag = INOTAG_TAG(DX_TAG(inode), fattr->uid, fattr->gid, 0);
-+
- if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO) ||
-- inode->i_uid != fattr->uid ||
-- inode->i_gid != fattr->gid)
-+ inode->i_uid != uid ||
-+ inode->i_gid != gid ||
-+ inode->i_tag != tag)
- invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
-
- inode->i_mode = fattr->mode;
- inode->i_nlink = fattr->nlink;
-- inode->i_uid = fattr->uid;
-- inode->i_gid = fattr->gid;
-+ inode->i_uid = uid;
-+ inode->i_gid = gid;
-+ inode->i_tag = tag;
-
- if (fattr->valid & (NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4)) {
- /*
-diff -NurpP --minimal linux-2.6.27.33/fs/nfs/nfs3xdr.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/nfs3xdr.c
---- linux-2.6.27.33/fs/nfs/nfs3xdr.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/nfs3xdr.c 2008-10-13 14:54:20.000000000 +0200
-@@ -22,6 +22,7 @@
+@@ -1637,6 +1656,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_PAGECACHE
+ | NFS_INO_REVAL_FORCED);
+
++ kuid = TAGINO_KUID(DX_TAG(inode), inode->i_uid, inode->i_tag);
++ kgid = TAGINO_KGID(DX_TAG(inode), inode->i_gid, inode->i_tag);
++ ktag = TAGINO_KTAG(DX_TAG(inode), inode->i_tag);
+
+ if (fattr->valid & NFS_ATTR_FATTR_ATIME)
+ memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
+@@ -1683,6 +1705,10 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_INVALID_ACL
+ | NFS_INO_REVAL_FORCED);
+
++ inode->i_uid = INOTAG_KUID(DX_TAG(inode), kuid, kgid);
++ inode->i_gid = INOTAG_KGID(DX_TAG(inode), kuid, kgid);
++ inode->i_tag = INOTAG_KTAG(DX_TAG(inode), kuid, kgid, ktag);
++
+ if (fattr->valid & NFS_ATTR_FATTR_NLINK) {
+ if (inode->i_nlink != fattr->nlink) {
+ invalid |= NFS_INO_INVALID_ATTR;
+diff -NurpP --minimal linux-3.18.5/fs/nfs/nfs3xdr.c linux-3.18.5-vs2.3.7.3/fs/nfs/nfs3xdr.c
+--- linux-3.18.5/fs/nfs/nfs3xdr.c 2014-09-03 13:19:40.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/nfs/nfs3xdr.c 2015-01-19 10:58:03.000000000 +0000
+@@ -20,6 +20,7 @@
#include <linux/nfs3.h>
#include <linux/nfs_fs.h>
#include <linux/nfsacl.h>
#include "internal.h"
#define NFSDBG_FACILITY NFSDBG_XDR
-@@ -180,7 +181,7 @@ xdr_decode_fattr(__be32 *p, struct nfs_f
- }
-
- static inline __be32 *
--xdr_encode_sattr(__be32 *p, struct iattr *attr)
-+xdr_encode_sattr(__be32 *p, struct iattr *attr, int tag)
+@@ -558,7 +559,8 @@ static __be32 *xdr_decode_nfstime3(__be3
+ * set_mtime mtime;
+ * };
+ */
+-static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
++static void encode_sattr3(struct xdr_stream *xdr,
++ const struct iattr *attr, int tag)
{
- if (attr->ia_valid & ATTR_MODE) {
- *p++ = xdr_one;
-@@ -188,15 +189,17 @@ xdr_encode_sattr(__be32 *p, struct iattr
- } else {
+ u32 nbytes;
+ __be32 *p;
+@@ -590,15 +592,19 @@ static void encode_sattr3(struct xdr_str
+ } else
*p++ = xdr_zero;
- }
+
- if (attr->ia_valid & ATTR_UID) {
+ if (attr->ia_valid & ATTR_UID ||
+ (tag && (attr->ia_valid & ATTR_TAG))) {
*p++ = xdr_one;
-- *p++ = htonl(attr->ia_uid);
-+ *p++ = htonl(TAGINO_UID(tag, attr->ia_uid, attr->ia_tag));
- } else {
+- *p++ = cpu_to_be32(from_kuid(&init_user_ns, attr->ia_uid));
++ *p++ = cpu_to_be32(from_kuid(&init_user_ns,
++ TAGINO_KUID(tag, attr->ia_uid, attr->ia_tag)));
+ } else
*p++ = xdr_zero;
- }
+
- if (attr->ia_valid & ATTR_GID) {
+ if (attr->ia_valid & ATTR_GID ||
+ (tag && (attr->ia_valid & ATTR_TAG))) {
*p++ = xdr_one;
-- *p++ = htonl(attr->ia_gid);
-+ *p++ = htonl(TAGINO_GID(tag, attr->ia_gid, attr->ia_tag));
- } else {
+- *p++ = cpu_to_be32(from_kgid(&init_user_ns, attr->ia_gid));
++ *p++ = cpu_to_be32(from_kgid(&init_user_ns,
++ TAGINO_KGID(tag, attr->ia_gid, attr->ia_tag)));
+ } else
*p++ = xdr_zero;
- }
-@@ -281,7 +284,8 @@ static int
- nfs3_xdr_sattrargs(struct rpc_rqst *req, __be32 *p, struct nfs3_sattrargs *args)
+
+@@ -887,7 +893,7 @@ static void nfs3_xdr_enc_setattr3args(st
+ const struct nfs3_sattrargs *args)
{
- p = xdr_encode_fhandle(p, args->fh);
-- p = xdr_encode_sattr(p, args->sattr);
-+ p = xdr_encode_sattr(p, args->sattr,
-+ req->rq_task->tk_client->cl_tag);
- *p++ = htonl(args->guard);
- if (args->guard)
- p = xdr_encode_time3(p, &args->guardtime);
-@@ -386,7 +390,8 @@ nfs3_xdr_createargs(struct rpc_rqst *req
- *p++ = args->verifier[0];
- *p++ = args->verifier[1];
- } else
-- p = xdr_encode_sattr(p, args->sattr);
-+ p = xdr_encode_sattr(p, args->sattr,
-+ req->rq_task->tk_client->cl_tag);
+ encode_nfs_fh3(xdr, args->fh);
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, req->rq_task->tk_client->cl_tag);
+ encode_sattrguard3(xdr, args);
+ }
- req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
- return 0;
-@@ -400,7 +405,8 @@ nfs3_xdr_mkdirargs(struct rpc_rqst *req,
+@@ -1037,13 +1043,13 @@ static void nfs3_xdr_enc_write3args(stru
+ * };
+ */
+ static void encode_createhow3(struct xdr_stream *xdr,
+- const struct nfs3_createargs *args)
++ const struct nfs3_createargs *args, int tag)
{
- p = xdr_encode_fhandle(p, args->fh);
- p = xdr_encode_array(p, args->name, args->len);
-- p = xdr_encode_sattr(p, args->sattr);
-+ p = xdr_encode_sattr(p, args->sattr,
-+ req->rq_task->tk_client->cl_tag);
- req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
- return 0;
+ encode_uint32(xdr, args->createmode);
+ switch (args->createmode) {
+ case NFS3_CREATE_UNCHECKED:
+ case NFS3_CREATE_GUARDED:
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ break;
+ case NFS3_CREATE_EXCLUSIVE:
+ encode_createverf3(xdr, args->verifier);
+@@ -1058,7 +1064,7 @@ static void nfs3_xdr_enc_create3args(str
+ const struct nfs3_createargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_createhow3(xdr, args);
++ encode_createhow3(xdr, args, req->rq_task->tk_client->cl_tag);
}
-@@ -413,7 +419,8 @@ nfs3_xdr_symlinkargs(struct rpc_rqst *re
+
+ /*
+@@ -1074,7 +1080,7 @@ static void nfs3_xdr_enc_mkdir3args(stru
+ const struct nfs3_mkdirargs *args)
{
- p = xdr_encode_fhandle(p, args->fromfh);
- p = xdr_encode_array(p, args->fromname, args->fromlen);
-- p = xdr_encode_sattr(p, args->sattr);
-+ p = xdr_encode_sattr(p, args->sattr,
-+ req->rq_task->tk_client->cl_tag);
- *p++ = htonl(args->pathlen);
- req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
-
-@@ -431,7 +438,8 @@ nfs3_xdr_mknodargs(struct rpc_rqst *req,
- p = xdr_encode_fhandle(p, args->fh);
- p = xdr_encode_array(p, args->name, args->len);
- *p++ = htonl(args->type);
-- p = xdr_encode_sattr(p, args->sattr);
-+ p = xdr_encode_sattr(p, args->sattr,
-+ req->rq_task->tk_client->cl_tag);
- if (args->type == NF3CHR || args->type == NF3BLK) {
- *p++ = htonl(MAJOR(args->rdev));
- *p++ = htonl(MINOR(args->rdev));
-diff -NurpP --minimal linux-2.6.27.33/fs/nfs/nfsroot.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/nfsroot.c
---- linux-2.6.27.33/fs/nfs/nfsroot.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/nfsroot.c 2008-10-13 14:54:20.000000000 +0200
-@@ -117,12 +117,12 @@ static int mount_port __initdata = 0; /
- enum {
- /* Options that take integer arguments */
- Opt_port, Opt_rsize, Opt_wsize, Opt_timeo, Opt_retrans, Opt_acregmin,
-- Opt_acregmax, Opt_acdirmin, Opt_acdirmax,
-+ Opt_acregmax, Opt_acdirmin, Opt_acdirmax, Opt_tagid,
- /* Options that take no arguments */
- Opt_soft, Opt_hard, Opt_intr,
- Opt_nointr, Opt_posix, Opt_noposix, Opt_cto, Opt_nocto, Opt_ac,
- Opt_noac, Opt_lock, Opt_nolock, Opt_v2, Opt_v3, Opt_udp, Opt_tcp,
-- Opt_acl, Opt_noacl,
-+ Opt_acl, Opt_noacl, Opt_tag, Opt_notag,
- /* Error token */
- Opt_err
- };
-@@ -159,6 +159,9 @@ static match_table_t __initdata tokens =
- {Opt_tcp, "tcp"},
- {Opt_acl, "acl"},
- {Opt_noacl, "noacl"},
-+ {Opt_tag, "tag"},
-+ {Opt_notag, "notag"},
-+ {Opt_tagid, "tagid=%u"},
- {Opt_err, NULL}
-
- };
-@@ -270,6 +273,20 @@ static int __init root_nfs_parse(char *n
- case Opt_noacl:
- nfs_data.flags |= NFS_MOUNT_NOACL;
- break;
-+#ifndef CONFIG_TAGGING_NONE
-+ case Opt_tag:
-+ nfs_data.flags |= NFS_MOUNT_TAGGED;
-+ break;
-+ case Opt_notag:
-+ nfs_data.flags &= ~NFS_MOUNT_TAGGED;
-+ break;
-+#endif
-+#ifdef CONFIG_PROPAGATE
-+ case Opt_tagid:
-+ /* use args[0] */
-+ nfs_data.flags |= NFS_MOUNT_TAGGED;
-+ break;
-+#endif
- default:
- printk(KERN_WARNING "Root-NFS: unknown "
- "option: %s\n", p);
-diff -NurpP --minimal linux-2.6.27.33/fs/nfs/super.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/super.c
---- linux-2.6.27.33/fs/nfs/super.c 2008-10-13 14:52:05.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfs/super.c 2008-10-13 14:54:20.000000000 +0200
-@@ -51,6 +51,7 @@
- #include <linux/nfs_xdr.h>
- #include <linux/magic.h>
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1091,9 +1097,9 @@ static void nfs3_xdr_enc_mkdir3args(stru
+ * };
+ */
+ static void encode_symlinkdata3(struct xdr_stream *xdr,
+- const struct nfs3_symlinkargs *args)
++ const struct nfs3_symlinkargs *args, int tag)
+ {
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ encode_nfspath3(xdr, args->pages, args->pathlen);
+ }
+
+@@ -1102,7 +1108,7 @@ static void nfs3_xdr_enc_symlink3args(st
+ const struct nfs3_symlinkargs *args)
+ {
+ encode_diropargs3(xdr, args->fromfh, args->fromname, args->fromlen);
+- encode_symlinkdata3(xdr, args);
++ encode_symlinkdata3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1130,24 +1136,24 @@ static void nfs3_xdr_enc_symlink3args(st
+ * };
+ */
+ static void encode_devicedata3(struct xdr_stream *xdr,
+- const struct nfs3_mknodargs *args)
++ const struct nfs3_mknodargs *args, int tag)
+ {
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ encode_specdata3(xdr, args->rdev);
+ }
+
+ static void encode_mknoddata3(struct xdr_stream *xdr,
+- const struct nfs3_mknodargs *args)
++ const struct nfs3_mknodargs *args, int tag)
+ {
+ encode_ftype3(xdr, args->type);
+ switch (args->type) {
+ case NF3CHR:
+ case NF3BLK:
+- encode_devicedata3(xdr, args);
++ encode_devicedata3(xdr, args, tag);
+ break;
+ case NF3SOCK:
+ case NF3FIFO:
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ break;
+ case NF3REG:
+ case NF3DIR:
+@@ -1162,7 +1168,7 @@ static void nfs3_xdr_enc_mknod3args(stru
+ const struct nfs3_mknodargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_mknoddata3(xdr, args);
++ encode_mknoddata3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.18.5/fs/nfs/super.c linux-3.18.5-vs2.3.7.3/fs/nfs/super.c
+--- linux-3.18.5/fs/nfs/super.c 2015-01-17 02:40:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/nfs/super.c 2015-01-19 10:58:03.000000000 +0000
+@@ -55,6 +55,7 @@
#include <linux/parser.h>
+ #include <linux/nsproxy.h>
+ #include <linux/rcupdate.h>
+#include <linux/vs_tag.h>
- #include <asm/system.h>
#include <asm/uaccess.h>
-@@ -504,6 +505,7 @@ static void nfs_show_mount_options(struc
- { NFS_MOUNT_NOACL, ",noacl", "" },
+
+@@ -103,6 +104,7 @@ enum {
+ Opt_mountport,
+ Opt_mountvers,
+ Opt_minorversion,
++ Opt_tagid,
+
+ /* Mount options that take string arguments */
+ Opt_nfsvers,
+@@ -115,6 +117,9 @@ enum {
+ /* Special mount options */
+ Opt_userspace, Opt_deprecated, Opt_sloppy,
+
++ /* Linux-VServer tagging options */
++ Opt_tag, Opt_notag,
++
+ Opt_err
+ };
+
+@@ -184,6 +189,10 @@ static const match_table_t nfs_mount_opt
+ { Opt_fscache_uniq, "fsc=%s" },
+ { Opt_local_lock, "local_lock=%s" },
+
++ { Opt_tag, "tag" },
++ { Opt_notag, "notag" },
++ { Opt_tagid, "tagid=%u" },
++
+ /* The following needs to be listed after all other options */
+ { Opt_nfsvers, "v%s" },
+
+@@ -638,6 +647,7 @@ static void nfs_show_mount_options(struc
{ NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
- { NFS_MOUNT_UNSHARED, ",nosharecache", ""},
+ { NFS_MOUNT_UNSHARED, ",nosharecache", "" },
+ { NFS_MOUNT_NORESVPORT, ",noresvport", "" },
+ { NFS_MOUNT_TAGGED, ",tag", "" },
{ 0, NULL, NULL }
};
const struct proc_nfs_info *nfs_infop;
-diff -NurpP --minimal linux-2.6.27.33/fs/nfsd/auth.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfsd/auth.c
---- linux-2.6.27.33/fs/nfsd/auth.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfsd/auth.c 2008-10-13 14:54:20.000000000 +0200
-@@ -10,6 +10,7 @@
- #include <linux/sunrpc/svcauth.h>
- #include <linux/nfsd/nfsd.h>
- #include <linux/nfsd/export.h>
+@@ -1320,6 +1330,14 @@ static int nfs_parse_mount_options(char
+ case Opt_nomigration:
+ mnt->options &= NFS_OPTION_MIGRATION;
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ mnt->flags |= NFS_MOUNT_TAGGED;
++ break;
++ case Opt_notag:
++ mnt->flags &= ~NFS_MOUNT_TAGGED;
++ break;
++#endif
+
+ /*
+ * options that take numeric values
+@@ -1406,6 +1424,12 @@ static int nfs_parse_mount_options(char
+ goto out_invalid_value;
+ mnt->minorversion = option;
+ break;
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ nfs_data.flags |= NFS_MOUNT_TAGGED;
++ break;
++#endif
+
+ /*
+ * options that take text values
+diff -NurpP --minimal linux-3.18.5/fs/nfsd/auth.c linux-3.18.5-vs2.3.7.3/fs/nfsd/auth.c
+--- linux-3.18.5/fs/nfsd/auth.c 2015-01-16 22:19:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/nfsd/auth.c 2015-01-19 12:46:19.000000000 +0000
+@@ -1,6 +1,7 @@
+ /* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> */
+
+ #include <linux/sched.h>
+#include <linux/vs_tag.h>
+ #include "nfsd.h"
#include "auth.h"
- int nfsexp_flags(struct svc_rqst *rqstp, struct svc_export *exp)
-@@ -55,19 +56,23 @@ int nfsd_setuser(struct svc_rqst *rqstp,
- get_group_info(cred.cr_group_info);
+@@ -35,6 +36,9 @@ int nfsd_setuser(struct svc_rqst *rqstp,
- if (cred.cr_uid != (uid_t) -1)
-- current->fsuid = cred.cr_uid;
-+ current->fsuid = INOTAG_UID(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid);
- else
- current->fsuid = exp->ex_anon_uid;
- if (cred.cr_gid != (gid_t) -1)
-- current->fsgid = cred.cr_gid;
-+ current->fsgid = INOTAG_GID(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid);
- else
- current->fsgid = exp->ex_anon_gid;
+ new->fsuid = rqstp->rq_cred.cr_uid;
+ new->fsgid = rqstp->rq_cred.cr_gid;
++ /* FIXME: this desperately needs a tag :)
++ new->xid = (vxid_t)INOTAG_TAG(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid, 0);
++ */
-+ /* this desperately needs a tag :) */
-+ current->xid = (xid_t)INOTAG_TAG(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid, 0);
-+
- if (!cred.cr_group_info)
- return -ENOMEM;
- ret = set_current_groups(cred.cr_group_info);
- put_group_info(cred.cr_group_info);
-- if ((cred.cr_uid)) {
-+
-+ if (INOTAG_UID(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid)) {
- current->cap_effective =
- cap_drop_nfsd_set(current->cap_effective);
- } else {
-diff -NurpP --minimal linux-2.6.27.33/fs/nfsd/nfs3xdr.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfsd/nfs3xdr.c
---- linux-2.6.27.33/fs/nfsd/nfs3xdr.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfsd/nfs3xdr.c 2008-10-13 14:54:20.000000000 +0200
-@@ -21,6 +21,7 @@
- #include <linux/sunrpc/svc.h>
- #include <linux/nfsd/nfsd.h>
- #include <linux/nfsd/xdr3.h>
+ rqgi = rqstp->rq_cred.cr_group_info;
+
+diff -NurpP --minimal linux-3.18.5/fs/nfsd/nfs3xdr.c linux-3.18.5-vs2.3.7.3/fs/nfsd/nfs3xdr.c
+--- linux-3.18.5/fs/nfsd/nfs3xdr.c 2015-01-16 22:19:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/nfsd/nfs3xdr.c 2015-01-19 10:58:03.000000000 +0000
+@@ -8,6 +8,7 @@
+
+ #include <linux/namei.h>
+ #include <linux/sunrpc/svc_xprt.h>
+#include <linux/vs_tag.h>
+ #include "xdr3.h"
#include "auth.h"
-
- #define NFSDDBG_FACILITY NFSDDBG_XDR
-@@ -108,6 +109,8 @@ static __be32 *
+ #include "netns.h"
+@@ -98,6 +99,8 @@ static __be32 *
decode_sattr3(__be32 *p, struct iattr *iap)
{
u32 tmp;
-+ uid_t uid = 0;
-+ gid_t gid = 0;
++ kuid_t kuid = GLOBAL_ROOT_UID;
++ kgid_t kgid = GLOBAL_ROOT_GID;
iap->ia_valid = 0;
-@@ -117,12 +120,15 @@ decode_sattr3(__be32 *p, struct iattr *i
+@@ -106,15 +109,18 @@ decode_sattr3(__be32 *p, struct iattr *i
+ iap->ia_mode = ntohl(*p++);
}
if (*p++) {
- iap->ia_valid |= ATTR_UID;
-- iap->ia_uid = ntohl(*p++);
-+ uid = ntohl(*p++);
+- iap->ia_uid = make_kuid(&init_user_ns, ntohl(*p++));
++ kuid = make_kuid(&init_user_ns, ntohl(*p++));
+ if (uid_valid(iap->ia_uid))
+ iap->ia_valid |= ATTR_UID;
}
if (*p++) {
- iap->ia_valid |= ATTR_GID;
-- iap->ia_gid = ntohl(*p++);
-+ gid = ntohl(*p++);
+- iap->ia_gid = make_kgid(&init_user_ns, ntohl(*p++));
++ kgid = make_kgid(&init_user_ns, ntohl(*p++));
+ if (gid_valid(iap->ia_gid))
+ iap->ia_valid |= ATTR_GID;
}
-+ iap->ia_uid = INOTAG_UID(DX_TAG_NFSD, uid, gid);
-+ iap->ia_gid = INOTAG_GID(DX_TAG_NFSD, uid, gid);
-+ iap->ia_tag = INOTAG_TAG(DX_TAG_NFSD, uid, gid, 0);
++ iap->ia_uid = INOTAG_KUID(DX_TAG_NFSD, kuid, kgid);
++ iap->ia_gid = INOTAG_KGID(DX_TAG_NFSD, kuid, kgid);
++ iap->ia_tag = INOTAG_KTAG(DX_TAG_NFSD, kuid, kgid, GLOBAL_ROOT_TAG);
if (*p++) {
u64 newsize;
-@@ -178,8 +184,12 @@ encode_fattr3(struct svc_rqst *rqstp, __
+@@ -167,8 +173,12 @@ encode_fattr3(struct svc_rqst *rqstp, __
*p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]);
- *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) (stat->mode & S_IALLUGO));
*p++ = htonl((u32) stat->nlink);
-- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
-- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid));
-+ *p++ = htonl((u32) nfsd_ruid(rqstp,
-+ TAGINO_UID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
+- *p++ = htonl((u32) from_kuid(&init_user_ns, stat->uid));
+- *p++ = htonl((u32) from_kgid(&init_user_ns, stat->gid));
++ *p++ = htonl((u32) from_kuid(&init_user_ns,
++ TAGINO_KUID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
+ stat->uid, stat->tag)));
-+ *p++ = htonl((u32) nfsd_rgid(rqstp,
-+ TAGINO_GID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
++ *p++ = htonl((u32) from_kgid(&init_user_ns,
++ TAGINO_KGID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
+ stat->gid, stat->tag)));
if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) {
p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
} else {
-diff -NurpP --minimal linux-2.6.27.33/fs/nfsd/nfs4xdr.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfsd/nfs4xdr.c
---- linux-2.6.27.33/fs/nfsd/nfs4xdr.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfsd/nfs4xdr.c 2009-05-22 00:47:30.000000000 +0200
-@@ -58,6 +58,7 @@
- #include <linux/nfs4_acl.h>
- #include <linux/sunrpc/gss_api.h>
+diff -NurpP --minimal linux-3.18.5/fs/nfsd/nfs4xdr.c linux-3.18.5-vs2.3.7.3/fs/nfsd/nfs4xdr.c
+--- linux-3.18.5/fs/nfsd/nfs4xdr.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/nfsd/nfs4xdr.c 2015-01-19 12:45:51.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <linux/utsname.h>
+ #include <linux/pagemap.h>
#include <linux/sunrpc/svcauth_gss.h>
+#include <linux/vs_tag.h>
- #define NFSDDBG_FACILITY NFSDDBG_XDR
-
-@@ -1704,14 +1705,18 @@ out_acl:
- WRITE32(stat.nlink);
+ #include "idmap.h"
+ #include "acl.h"
+@@ -2436,12 +2437,16 @@ out_acl:
+ *p++ = cpu_to_be32(stat.nlink);
}
if (bmval1 & FATTR4_WORD1_OWNER) {
-- status = nfsd4_encode_user(rqstp, stat.uid, &p, &buflen);
-+ status = nfsd4_encode_user(rqstp,
-+ TAGINO_UID(DX_TAG(dentry->d_inode),
-+ stat.uid, stat.tag), &p, &buflen);
- if (status == nfserr_resource)
- goto out_resource;
+- status = nfsd4_encode_user(xdr, rqstp, stat.uid);
++ status = nfsd4_encode_user(xdr, rqstp,
++ TAGINO_KUID(DX_TAG(dentry->d_inode),
++ stat.uid, stat.tag));
if (status)
goto out;
}
if (bmval1 & FATTR4_WORD1_OWNER_GROUP) {
-- status = nfsd4_encode_group(rqstp, stat.gid, &p, &buflen);
-+ status = nfsd4_encode_group(rqstp,
-+ TAGINO_GID(DX_TAG(dentry->d_inode),
-+ stat.gid, stat.tag), &p, &buflen);
- if (status == nfserr_resource)
- goto out_resource;
+- status = nfsd4_encode_group(xdr, rqstp, stat.gid);
++ status = nfsd4_encode_group(xdr, rqstp,
++ TAGINO_KGID(DX_TAG(dentry->d_inode),
++ stat.gid, stat.tag));
if (status)
-diff -NurpP --minimal linux-2.6.27.33/fs/nfsd/nfsxdr.c linux-2.6.27.33-vs2.3.0.36.6/fs/nfsd/nfsxdr.c
---- linux-2.6.27.33/fs/nfsd/nfsxdr.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/nfsd/nfsxdr.c 2008-10-13 14:54:20.000000000 +0200
-@@ -15,6 +15,7 @@
- #include <linux/nfsd/nfsd.h>
- #include <linux/nfsd/xdr.h>
- #include <linux/mm.h>
-+#include <linux/vs_tag.h>
+ goto out;
+ }
+diff -NurpP --minimal linux-3.18.5/fs/nfsd/nfsxdr.c linux-3.18.5-vs2.3.7.3/fs/nfsd/nfsxdr.c
+--- linux-3.18.5/fs/nfsd/nfsxdr.c 2015-01-16 22:19:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/nfsd/nfsxdr.c 2015-01-19 10:58:03.000000000 +0000
+@@ -7,6 +7,7 @@
+ #include "vfs.h"
+ #include "xdr.h"
#include "auth.h"
++#include <linux/vs_tag.h>
#define NFSDDBG_FACILITY NFSDDBG_XDR
-@@ -98,6 +99,8 @@ static __be32 *
+
+@@ -89,6 +90,8 @@ static __be32 *
decode_sattr(__be32 *p, struct iattr *iap)
{
u32 tmp, tmp1;
-+ uid_t uid = 0;
-+ gid_t gid = 0;
++ kuid_t kuid = GLOBAL_ROOT_UID;
++ kgid_t kgid = GLOBAL_ROOT_GID;
iap->ia_valid = 0;
-@@ -111,12 +114,15 @@ decode_sattr(__be32 *p, struct iattr *ia
+@@ -101,15 +104,18 @@ decode_sattr(__be32 *p, struct iattr *ia
+ iap->ia_mode = tmp;
}
if ((tmp = ntohl(*p++)) != (u32)-1) {
- iap->ia_valid |= ATTR_UID;
-- iap->ia_uid = tmp;
-+ uid = tmp;
+- iap->ia_uid = make_kuid(&init_user_ns, tmp);
++ kuid = make_kuid(&init_user_ns, tmp);
+ if (uid_valid(iap->ia_uid))
+ iap->ia_valid |= ATTR_UID;
}
if ((tmp = ntohl(*p++)) != (u32)-1) {
- iap->ia_valid |= ATTR_GID;
-- iap->ia_gid = tmp;
-+ gid = tmp;
+- iap->ia_gid = make_kgid(&init_user_ns, tmp);
++ kgid = make_kgid(&init_user_ns, tmp);
+ if (gid_valid(iap->ia_gid))
+ iap->ia_valid |= ATTR_GID;
}
-+ iap->ia_uid = INOTAG_UID(DX_TAG_NFSD, uid, gid);
-+ iap->ia_gid = INOTAG_GID(DX_TAG_NFSD, uid, gid);
-+ iap->ia_tag = INOTAG_TAG(DX_TAG_NFSD, uid, gid, 0);
++ iap->ia_uid = INOTAG_KUID(DX_TAG_NFSD, kuid, kgid);
++ iap->ia_gid = INOTAG_KGID(DX_TAG_NFSD, kuid, kgid);
++ iap->ia_tag = INOTAG_KTAG(DX_TAG_NFSD, kuid, kgid, GLOBAL_ROOT_TAG);
if ((tmp = ntohl(*p++)) != (u32)-1) {
iap->ia_valid |= ATTR_SIZE;
iap->ia_size = tmp;
-@@ -161,8 +167,10 @@ encode_fattr(struct svc_rqst *rqstp, __b
+@@ -154,8 +160,10 @@ encode_fattr(struct svc_rqst *rqstp, __b
*p++ = htonl(nfs_ftypes[type >> 12]);
*p++ = htonl((u32) stat->mode);
*p++ = htonl((u32) stat->nlink);
-- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
-- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid));
-+ *p++ = htonl((u32) nfsd_ruid(rqstp,
-+ TAGINO_UID(DX_TAG(dentry->d_inode), stat->uid, stat->tag)));
-+ *p++ = htonl((u32) nfsd_rgid(rqstp,
-+ TAGINO_GID(DX_TAG(dentry->d_inode), stat->gid, stat->tag)));
+- *p++ = htonl((u32) from_kuid(&init_user_ns, stat->uid));
+- *p++ = htonl((u32) from_kgid(&init_user_ns, stat->gid));
++ *p++ = htonl((u32) from_kuid(&init_user_ns,
++ TAGINO_KUID(DX_TAG(dentry->d_inode), stat->uid, stat->tag)));
++ *p++ = htonl((u32) from_kgid(&init_user_ns,
++ TAGINO_KGID(DX_TAG(dentry->d_inode), stat->gid, stat->tag)));
if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) {
*p++ = htonl(NFS_MAXPATHLEN);
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/dlm/dlmfs.c linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/dlm/dlmfs.c
---- linux-2.6.27.33/fs/ocfs2/dlm/dlmfs.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/dlm/dlmfs.c 2008-10-13 14:54:20.000000000 +0200
-@@ -43,6 +43,7 @@
- #include <linux/init.h>
- #include <linux/string.h>
- #include <linux/backing-dev.h>
-+#include <linux/vs_tag.h>
-
- #include <asm/uaccess.h>
-
-@@ -341,6 +342,7 @@ static struct inode *dlmfs_get_root_inod
- inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
-+ inode->i_tag = dx_current_fstag(sb);
- inode->i_blocks = 0;
- inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
- inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
-@@ -367,6 +369,7 @@ static struct inode *dlmfs_get_inode(str
- inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
-+ inode->i_tag = dx_current_fstag(sb);
- inode->i_blocks = 0;
- inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
- inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/dlmglue.c linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/dlmglue.c
---- linux-2.6.27.33/fs/ocfs2/dlmglue.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/dlmglue.c 2008-10-13 14:54:20.000000000 +0200
-@@ -1846,6 +1846,7 @@ static void __ocfs2_stuff_meta_lvb(struc
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/dlmglue.c linux-3.18.5-vs2.3.7.3/fs/ocfs2/dlmglue.c
+--- linux-3.18.5/fs/ocfs2/dlmglue.c 2015-01-17 02:40:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/dlmglue.c 2015-01-19 10:58:03.000000000 +0000
+@@ -2047,6 +2047,7 @@ static void __ocfs2_stuff_meta_lvb(struc
lvb->lvb_iclusters = cpu_to_be32(oi->ip_clusters);
- lvb->lvb_iuid = cpu_to_be32(inode->i_uid);
- lvb->lvb_igid = cpu_to_be32(inode->i_gid);
-+ lvb->lvb_itag = cpu_to_be16(inode->i_tag);
+ lvb->lvb_iuid = cpu_to_be32(i_uid_read(inode));
+ lvb->lvb_igid = cpu_to_be32(i_gid_read(inode));
++ lvb->lvb_itag = cpu_to_be16(i_tag_read(inode));
lvb->lvb_imode = cpu_to_be16(inode->i_mode);
lvb->lvb_inlink = cpu_to_be16(inode->i_nlink);
lvb->lvb_iatime_packed =
-@@ -1900,6 +1901,7 @@ static void ocfs2_refresh_inode_from_lvb
+@@ -2097,6 +2098,7 @@ static void ocfs2_refresh_inode_from_lvb
- inode->i_uid = be32_to_cpu(lvb->lvb_iuid);
- inode->i_gid = be32_to_cpu(lvb->lvb_igid);
-+ inode->i_tag = be16_to_cpu(lvb->lvb_itag);
+ i_uid_write(inode, be32_to_cpu(lvb->lvb_iuid));
+ i_gid_write(inode, be32_to_cpu(lvb->lvb_igid));
++ i_tag_write(inode, be16_to_cpu(lvb->lvb_itag));
inode->i_mode = be16_to_cpu(lvb->lvb_imode);
- inode->i_nlink = be16_to_cpu(lvb->lvb_inlink);
+ set_nlink(inode, be16_to_cpu(lvb->lvb_inlink));
ocfs2_unpack_timespec(&inode->i_atime,
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/dlmglue.h linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/dlmglue.h
---- linux-2.6.27.33/fs/ocfs2/dlmglue.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/dlmglue.h 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/dlmglue.h linux-3.18.5-vs2.3.7.3/fs/ocfs2/dlmglue.h
+--- linux-3.18.5/fs/ocfs2/dlmglue.h 2014-06-12 13:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/dlmglue.h 2015-01-19 10:58:03.000000000 +0000
@@ -46,7 +46,8 @@ struct ocfs2_meta_lvb {
__be16 lvb_inlink;
__be32 lvb_iattr;
+ __be16 lvb_reserved2;
};
- /* ocfs2_inode_lock_full() 'arg_flags' flags */
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/file.c linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/file.c
---- linux-2.6.27.33/fs/ocfs2/file.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/file.c 2009-05-22 00:47:30.000000000 +0200
-@@ -1058,13 +1058,15 @@ int ocfs2_setattr(struct dentry *dentry,
- mlog(0, "uid change: %d\n", attr->ia_uid);
- if (attr->ia_valid & ATTR_GID)
- mlog(0, "gid change: %d\n", attr->ia_gid);
-+ if (attr->ia_valid & ATTR_TAG)
-+ mlog(0, "tag change: %d\n", attr->ia_tag);
- if (attr->ia_valid & ATTR_SIZE)
- mlog(0, "size change...\n");
- if (attr->ia_valid & (ATTR_ATIME | ATTR_MTIME | ATTR_CTIME))
- mlog(0, "time change...\n");
+ #define OCFS2_QINFO_LVB_VERSION 1
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/file.c linux-3.18.5-vs2.3.7.3/fs/ocfs2/file.c
+--- linux-3.18.5/fs/ocfs2/file.c 2015-01-17 02:40:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/file.c 2015-01-19 10:58:03.000000000 +0000
+@@ -1139,7 +1139,7 @@ int ocfs2_setattr(struct dentry *dentry,
+ attr->ia_valid &= ~ATTR_SIZE;
#define OCFS2_VALID_ATTRS (ATTR_ATIME | ATTR_MTIME | ATTR_CTIME | ATTR_SIZE \
- | ATTR_GID | ATTR_UID | ATTR_MODE)
+ | ATTR_GID | ATTR_UID | ATTR_TAG | ATTR_MODE)
- if (!(attr->ia_valid & OCFS2_VALID_ATTRS)) {
- mlog(0, "can't handle attrs: 0x%x\n", attr->ia_valid);
+ if (!(attr->ia_valid & OCFS2_VALID_ATTRS))
return 0;
-@@ -2285,6 +2287,7 @@ const struct inode_operations ocfs2_file
- .setattr = ocfs2_setattr,
- .getattr = ocfs2_getattr,
- .permission = ocfs2_permission,
-+ .sync_flags = ocfs2_sync_flags,
- .fallocate = ocfs2_fallocate,
- };
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/inode.c
---- linux-2.6.27.33/fs/ocfs2/inode.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/inode.c 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/inode.c linux-3.18.5-vs2.3.7.3/fs/ocfs2/inode.c
+--- linux-3.18.5/fs/ocfs2/inode.c 2014-06-12 13:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/inode.c 2015-01-19 10:58:03.000000000 +0000
@@ -28,6 +28,7 @@
- #include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
+ #include <linux/quotaops.h>
+#include <linux/vs_tag.h>
#include <asm/byteorder.h>
-@@ -42,6 +43,7 @@
- #include "file.h"
- #include "heartbeat.h"
- #include "inode.h"
-+#include "ioctl.h"
- #include "journal.h"
- #include "namei.h"
- #include "suballoc.h"
-@@ -74,11 +76,13 @@ void ocfs2_set_inode_flags(struct inode
+@@ -78,11 +79,13 @@ void ocfs2_set_inode_flags(struct inode
{
unsigned int flags = OCFS2_I(inode)->ip_attr;
if (flags & OCFS2_SYNC_FL)
inode->i_flags |= S_SYNC;
-@@ -88,25 +92,85 @@ void ocfs2_set_inode_flags(struct inode
+@@ -92,25 +95,44 @@ void ocfs2_set_inode_flags(struct inode
inode->i_flags |= S_NOATIME;
if (flags & OCFS2_DIRSYNC_FL)
inode->i_flags |= S_DIRSYNC;
+ oi->ip_attr |= OCFS2_BARRIER_FL;
+ if (vflags & V_COW)
+ oi->ip_attr |= OCFS2_COW_FL;
-+}
-+
-+int ocfs2_sync_flags(struct inode *inode)
+ }
+
+ struct inode *ocfs2_ilookup(struct super_block *sb, u64 blkno)
+@@ -268,6 +290,8 @@ void ocfs2_populate_inode(struct inode *
+ struct super_block *sb;
+ struct ocfs2_super *osb;
+ int use_plocks = 1;
++ uid_t uid;
++ gid_t gid;
+
+ sb = inode->i_sb;
+ osb = OCFS2_SB(sb);
+@@ -296,8 +320,12 @@ void ocfs2_populate_inode(struct inode *
+ inode->i_generation = le32_to_cpu(fe->i_generation);
+ inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
+ inode->i_mode = le16_to_cpu(fe->i_mode);
+- i_uid_write(inode, le32_to_cpu(fe->i_uid));
+- i_gid_write(inode, le32_to_cpu(fe->i_gid));
++ uid = le32_to_cpu(fe->i_uid);
++ gid = le32_to_cpu(fe->i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), uid, gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), uid, gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), uid, gid,
++ /* le16_to_cpu(raw_inode->i_raw_tag) */ 0));
+
+ /* Fast symlinks will have i_size but no allocated clusters. */
+ if (S_ISLNK(inode->i_mode) && !fe->i_clusters) {
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/inode.h linux-3.18.5-vs2.3.7.3/fs/ocfs2/inode.h
+--- linux-3.18.5/fs/ocfs2/inode.h 2015-01-17 02:40:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/inode.h 2015-01-19 10:58:03.000000000 +0000
+@@ -157,6 +157,7 @@ struct buffer_head *ocfs2_bread(struct i
+
+ void ocfs2_set_inode_flags(struct inode *inode);
+ void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi);
++int ocfs2_sync_flags(struct inode *inode, int, int);
+
+ static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
+ {
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/ioctl.c linux-3.18.5-vs2.3.7.3/fs/ocfs2/ioctl.c
+--- linux-3.18.5/fs/ocfs2/ioctl.c 2015-01-16 22:19:19.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/ioctl.c 2015-01-19 10:58:03.000000000 +0000
+@@ -76,7 +76,41 @@ static int ocfs2_get_inode_attr(struct i
+ return status;
+ }
+
+-static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
++int ocfs2_sync_flags(struct inode *inode, int flags, int vflags)
+{
-+ struct ocfs2_inode_info *ocfs2_inode = OCFS2_I(inode);
+ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-+ handle_t *handle = NULL;
+ struct buffer_head *bh = NULL;
++ handle_t *handle = NULL;
+ int status;
+
+ status = ocfs2_inode_lock(inode, &bh, 1);
+ if (status < 0) {
+ mlog_errno(status);
-+ goto bail;
++ return status;
+ }
-+
-+ status = -EROFS;
-+ if (IS_RDONLY(inode))
-+ goto bail_unlock;
-+
+ handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
+ if (IS_ERR(handle)) {
+ status = PTR_ERR(handle);
+ goto bail_unlock;
+ }
+
-+ ocfs2_get_inode_flags(ocfs2_inode);
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ocfs2_get_inode_flags(OCFS2_I(inode));
++
+ status = ocfs2_mark_inode_dirty(handle, inode, bh);
+ if (status < 0)
+ mlog_errno(status);
+ ocfs2_commit_trans(osb, handle);
+bail_unlock:
+ ocfs2_inode_unlock(inode, 1);
-+bail:
-+ if (bh)
-+ brelse(bh);
-+
-+ mlog_exit(status);
++ brelse(bh);
+ return status;
- }
-
- struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags,
-@@ -219,6 +283,8 @@ int ocfs2_populate_inode(struct inode *i
- struct super_block *sb;
- struct ocfs2_super *osb;
- int status = -EINVAL;
-+ uid_t uid;
-+ gid_t gid;
-
- mlog_entry("(0x%p, size:%llu)\n", inode,
- (unsigned long long)le64_to_cpu(fe->i_size));
-@@ -254,8 +320,12 @@ int ocfs2_populate_inode(struct inode *i
- inode->i_generation = le32_to_cpu(fe->i_generation);
- inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
- inode->i_mode = le16_to_cpu(fe->i_mode);
-- inode->i_uid = le32_to_cpu(fe->i_uid);
-- inode->i_gid = le32_to_cpu(fe->i_gid);
-+ uid = le32_to_cpu(fe->i_uid);
-+ gid = le32_to_cpu(fe->i_gid);
-+ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
-+ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
-+ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
-+ /* le16_to_cpu(raw_inode->i_raw_tag)i */ 0);
-
- /* Fast symlinks will have i_size but no allocated clusters. */
- if (S_ISLNK(inode->i_mode) && !fe->i_clusters)
-@@ -1230,8 +1300,11 @@ int ocfs2_mark_inode_dirty(handle_t *han
-
- fe->i_size = cpu_to_le64(i_size_read(inode));
- fe->i_links_count = cpu_to_le16(inode->i_nlink);
-- fe->i_uid = cpu_to_le32(inode->i_uid);
-- fe->i_gid = cpu_to_le32(inode->i_gid);
-+ fe->i_uid = cpu_to_le32(TAGINO_UID(DX_TAG(inode),
-+ inode->i_uid, inode->i_tag));
-+ fe->i_gid = cpu_to_le32(TAGINO_GID(DX_TAG(inode),
-+ inode->i_gid, inode->i_tag));
-+ /* i_tag = = cpu_to_le16(inode->i_tag); */
- fe->i_mode = cpu_to_le16(inode->i_mode);
- fe->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
- fe->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec);
-@@ -1259,16 +1332,25 @@ leave:
- void ocfs2_refresh_inode(struct inode *inode,
- struct ocfs2_dinode *fe)
- {
-+ uid_t uid;
-+ gid_t gid;
++}
+
- spin_lock(&OCFS2_I(inode)->ip_lock);
-
- OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters);
- OCFS2_I(inode)->ip_attr = le32_to_cpu(fe->i_attr);
-+ /* OCFS2_I(inode)->ip_flags &= ~OCFS2_FL_MASK;
-+ OCFS2_I(inode)->ip_flags |= le32_to_cpu(fe->i_flags) & OCFS2_FL_MASK; */
- OCFS2_I(inode)->ip_dyn_features = le16_to_cpu(fe->i_dyn_features);
- ocfs2_set_inode_flags(inode);
- i_size_write(inode, le64_to_cpu(fe->i_size));
- inode->i_nlink = le16_to_cpu(fe->i_links_count);
-- inode->i_uid = le32_to_cpu(fe->i_uid);
-- inode->i_gid = le32_to_cpu(fe->i_gid);
-+ uid = le32_to_cpu(fe->i_uid);
-+ gid = le32_to_cpu(fe->i_gid);
-+ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
-+ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
-+ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
-+ /* le16_to_cpu(raw_inode->i_raw_tag)i */ 0);
- inode->i_mode = le16_to_cpu(fe->i_mode);
- if (S_ISLNK(inode->i_mode) && le32_to_cpu(fe->i_clusters) == 0)
- inode->i_blocks = 0;
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/inode.h linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/inode.h
---- linux-2.6.27.33/fs/ocfs2/inode.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/inode.h 2008-10-13 14:54:20.000000000 +0200
-@@ -143,6 +143,7 @@ int ocfs2_aio_write(struct file *file, s
-
- void ocfs2_set_inode_flags(struct inode *inode);
- void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi);
-+int ocfs2_sync_flags(struct inode *inode);
-
- static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
- {
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/ioctl.c linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/ioctl.c
---- linux-2.6.27.33/fs/ocfs2/ioctl.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/ioctl.c 2008-10-13 14:54:20.000000000 +0200
-@@ -42,7 +42,7 @@ static int ocfs2_get_inode_attr(struct i
- return status;
- }
-
--static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
+int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
unsigned mask)
{
struct ocfs2_inode_info *ocfs2_inode = OCFS2_I(inode);
-@@ -67,6 +67,11 @@ static int ocfs2_set_inode_attr(struct i
- if (!S_ISDIR(inode->i_mode))
- flags &= ~OCFS2_DIRSYNC_FL;
+@@ -116,6 +150,11 @@ static int ocfs2_set_inode_attr(struct i
+ goto bail_unlock;
+ }
+ if (IS_BARRIER(inode)) {
+ vxwprintk_task(1, "messing with the barrier.");
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/ioctl.h linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/ioctl.h
---- linux-2.6.27.33/fs/ocfs2/ioctl.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/ioctl.h 2008-10-13 14:54:20.000000000 +0200
-@@ -10,6 +10,9 @@
- #ifndef OCFS2_IOCTL_H
- #define OCFS2_IOCTL_H
+@@ -841,6 +880,7 @@ bail:
+ return status;
+ }
-+int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
-+ unsigned mask);
+
- long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
- long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg);
-
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/namei.c linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/namei.c
---- linux-2.6.27.33/fs/ocfs2/namei.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/namei.c 2008-10-13 14:54:20.000000000 +0200
-@@ -40,6 +40,7 @@
- #include <linux/types.h>
+ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = file_inode(filp);
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/namei.c linux-3.18.5-vs2.3.7.3/fs/ocfs2/namei.c
+--- linux-3.18.5/fs/ocfs2/namei.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/namei.c 2015-01-19 12:15:49.000000000 +0000
+@@ -41,6 +41,7 @@
#include <linux/slab.h>
#include <linux/highmem.h>
+ #include <linux/quotaops.h>
+#include <linux/vs_tag.h>
- #define MLOG_MASK_PREFIX ML_NAMEI
#include <cluster/masklog.h>
-@@ -366,6 +367,9 @@ static int ocfs2_mknod_locked(struct ocf
- u64 fe_blkno = 0;
- u16 suballoc_bit;
- struct inode *inode = NULL;
-+ uid_t uid;
-+ gid_t gid;
-+ tag_t tag;
- mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode,
- (unsigned long)dev, dentry->d_name.len,
-@@ -425,13 +429,19 @@ static int ocfs2_mknod_locked(struct ocf
- fe->i_blkno = cpu_to_le64(fe_blkno);
+@@ -524,6 +525,7 @@ static int __ocfs2_mknod_locked(struct i
+ struct ocfs2_extent_list *fel;
+ u16 feat;
+ struct ocfs2_inode_info *oi = OCFS2_I(inode);
++ ktag_t ktag;
+
+ *new_fe_bh = NULL;
+
+@@ -561,8 +563,13 @@ static int __ocfs2_mknod_locked(struct i
+ fe->i_suballoc_loc = cpu_to_le64(suballoc_loc);
fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);
-- fe->i_uid = cpu_to_le32(current->fsuid);
-+
-+ tag = dx_current_fstag(osb->sb);
-+ uid = current->fsuid;
- if (dir->i_mode & S_ISGID) {
-- fe->i_gid = cpu_to_le32(dir->i_gid);
-+ gid = dir->i_gid;
- if (S_ISDIR(mode))
- mode |= S_ISGID;
- } else
-- fe->i_gid = cpu_to_le32(current->fsgid);
-+ gid = current->fsgid;
-+
-+ fe->i_uid = cpu_to_le32(TAGINO_UID(DX_TAG(inode), uid, tag));
-+ fe->i_gid = cpu_to_le32(TAGINO_GID(DX_TAG(inode), gid, tag));
-+ inode->i_tag = tag;
- fe->i_mode = cpu_to_le16(mode);
- if (S_ISCHR(mode) || S_ISBLK(mode))
+- fe->i_uid = cpu_to_le32(i_uid_read(inode));
+- fe->i_gid = cpu_to_le32(i_gid_read(inode));
++
++ ktag = make_ktag(&init_user_ns, dx_current_fstag(osb->sb));
++ fe->i_uid = cpu_to_le32(from_kuid(&init_user_ns,
++ TAGINO_KUID(DX_TAG(inode), inode->i_uid, ktag)));
++ fe->i_gid = cpu_to_le32(from_kgid(&init_user_ns,
++ TAGINO_KGID(DX_TAG(inode), inode->i_gid, ktag)));
++ inode->i_tag = ktag; /* is this correct? */
+ fe->i_mode = cpu_to_le16(inode->i_mode);
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
-@@ -1917,5 +1927,6 @@ const struct inode_operations ocfs2_dir_
- .rename = ocfs2_rename,
- .setattr = ocfs2_setattr,
- .getattr = ocfs2_getattr,
-+ .sync_flags = ocfs2_sync_flags,
- .permission = ocfs2_permission,
- };
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/ocfs2_fs.h linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/ocfs2_fs.h
---- linux-2.6.27.33/fs/ocfs2/ocfs2_fs.h 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/ocfs2_fs.h 2008-10-13 14:54:20.000000000 +0200
-@@ -195,18 +195,23 @@
- #define OCFS2_INDEXED_DIR_FL (0x0008)
-
- /* Inode attributes, keep in sync with EXT2 */
--#define OCFS2_SECRM_FL (0x00000001) /* Secure deletion */
--#define OCFS2_UNRM_FL (0x00000002) /* Undelete */
--#define OCFS2_COMPR_FL (0x00000004) /* Compress file */
--#define OCFS2_SYNC_FL (0x00000008) /* Synchronous updates */
--#define OCFS2_IMMUTABLE_FL (0x00000010) /* Immutable file */
--#define OCFS2_APPEND_FL (0x00000020) /* writes to file may only append */
--#define OCFS2_NODUMP_FL (0x00000040) /* do not dump file */
--#define OCFS2_NOATIME_FL (0x00000080) /* do not update atime */
--#define OCFS2_DIRSYNC_FL (0x00010000) /* dirsync behaviour (directories only) */
-+#define OCFS2_SECRM_FL FS_SECRM_FL /* Secure deletion */
-+#define OCFS2_UNRM_FL FS_UNRM_FL /* Undelete */
-+#define OCFS2_COMPR_FL FS_COMPR_FL /* Compress file */
-+#define OCFS2_SYNC_FL FS_SYNC_FL /* Synchronous updates */
-+#define OCFS2_IMMUTABLE_FL FS_IMMUTABLE_FL /* Immutable file */
-+#define OCFS2_APPEND_FL FS_APPEND_FL /* writes to file may only append */
-+#define OCFS2_NODUMP_FL FS_NODUMP_FL /* do not dump file */
-+#define OCFS2_NOATIME_FL FS_NOATIME_FL /* do not update atime */
-
--#define OCFS2_FL_VISIBLE (0x000100FF) /* User visible flags */
--#define OCFS2_FL_MODIFIABLE (0x000100FF) /* User modifiable flags */
-+#define OCFS2_DIRSYNC_FL FS_DIRSYNC_FL /* dirsync behaviour (directories only) */
-+#define OCFS2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
-+
-+#define OCFS2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
-+#define OCFS2_COW_FL FS_COW_FL /* Copy on Write marker */
-+
-+#define OCFS2_FL_VISIBLE (0x010300FF) /* User visible flags */
-+#define OCFS2_FL_MODIFIABLE (0x010300FF) /* User modifiable flags */
-
- /*
- * Extent record flags (e_node.leaf.flags)
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/ocfs2.h linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/ocfs2.h
---- linux-2.6.27.33/fs/ocfs2/ocfs2.h 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/ocfs2.h 2008-10-13 14:54:20.000000000 +0200
-@@ -184,6 +184,7 @@ enum ocfs2_mount_options
- OCFS2_MOUNT_ERRORS_PANIC = 1 << 3, /* Panic on errors */
- OCFS2_MOUNT_DATA_WRITEBACK = 1 << 4, /* No data ordering */
- OCFS2_MOUNT_LOCALFLOCKS = 1 << 5, /* No cluster aware user file locks */
-+ OCFS2_MOUNT_TAGGED = 1 << 8, /* use tagging */
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/ocfs2.h linux-3.18.5-vs2.3.7.3/fs/ocfs2/ocfs2.h
+--- linux-3.18.5/fs/ocfs2/ocfs2.h 2014-09-03 13:19:40.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/ocfs2.h 2015-01-19 10:58:03.000000000 +0000
+@@ -273,6 +273,7 @@ enum ocfs2_mount_options
+ writes */
+ OCFS2_MOUNT_HB_NONE = 1 << 13, /* No heartbeat */
+ OCFS2_MOUNT_HB_GLOBAL = 1 << 14, /* Global heartbeat */
++ OCFS2_MOUNT_TAGGED = 1 << 15, /* use tagging */
};
#define OCFS2_OSB_SOFT_RO 0x0001
-diff -NurpP --minimal linux-2.6.27.33/fs/ocfs2/super.c linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/super.c
---- linux-2.6.27.33/fs/ocfs2/super.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/ocfs2/super.c 2008-10-13 14:54:20.000000000 +0200
-@@ -154,6 +154,7 @@ enum {
- Opt_localalloc,
- Opt_localflocks,
- Opt_stack,
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/ocfs2_fs.h linux-3.18.5-vs2.3.7.3/fs/ocfs2/ocfs2_fs.h
+--- linux-3.18.5/fs/ocfs2/ocfs2_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/ocfs2_fs.h 2015-01-19 10:58:03.000000000 +0000
+@@ -266,6 +266,11 @@
+ #define OCFS2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
+ #define OCFS2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
+
++#define OCFS2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
++
++#define OCFS2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
++#define OCFS2_COW_FL FS_COW_FL /* Copy on Write marker */
++
+ #define OCFS2_FL_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
+ #define OCFS2_FL_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
+
+diff -NurpP --minimal linux-3.18.5/fs/ocfs2/super.c linux-3.18.5-vs2.3.7.3/fs/ocfs2/super.c
+--- linux-3.18.5/fs/ocfs2/super.c 2015-01-17 02:40:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/ocfs2/super.c 2015-01-19 10:58:03.000000000 +0000
+@@ -185,6 +185,7 @@ enum {
+ Opt_coherency_full,
+ Opt_resv_level,
+ Opt_dir_resv_level,
+ Opt_tag, Opt_notag, Opt_tagid,
Opt_err,
};
-@@ -173,6 +174,9 @@ static match_table_t tokens = {
- {Opt_localalloc, "localalloc=%d"},
- {Opt_localflocks, "localflocks"},
- {Opt_stack, "cluster_stack=%s"},
+@@ -216,6 +217,9 @@ static const match_table_t tokens = {
+ {Opt_coherency_full, "coherency=full"},
+ {Opt_resv_level, "resv_level=%u"},
+ {Opt_dir_resv_level, "dir_resv_level=%u"},
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
{Opt_err, NULL}
};
-@@ -392,6 +396,13 @@ static int ocfs2_remount(struct super_bl
+@@ -666,6 +670,13 @@ static int ocfs2_remount(struct super_bl
goto out;
}
-+ if ((parsed_options.mount_opt & OCFS2_MOUNT_TAGGED) &&
-+ !(sb->s_flags & MS_TAGGED)) {
++ if ((osb->s_mount_opt & OCFS2_MOUNT_TAGGED) !=
++ (parsed_options.mount_opt & OCFS2_MOUNT_TAGGED)) {
+ ret = -EINVAL;
+ mlog(ML_ERROR, "Cannot change tagging on remount\n");
+ goto out;
+ }
+
- if ((osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL) !=
- (parsed_options.mount_opt & OCFS2_MOUNT_HB_LOCAL)) {
- ret = -EINVAL;
-@@ -725,6 +736,9 @@ static int ocfs2_fill_super(struct super
+ /* We're going to/from readonly mode. */
+ if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
+ /* Disable quota accounting before remounting RO */
+@@ -1185,6 +1196,9 @@ static int ocfs2_fill_super(struct super
ocfs2_complete_mount_recovery(osb);
if (ocfs2_mount_local(osb))
snprintf(nodestr, sizeof(nodestr), "local");
else
-@@ -918,6 +932,20 @@ static int ocfs2_parse_options(struct su
- OCFS2_STACK_LABEL_LEN);
- mopt->cluster_stack[OCFS2_STACK_LABEL_LEN] = '\0';
+@@ -1493,6 +1507,20 @@ static int ocfs2_parse_options(struct su
+ option < OCFS2_MAX_RESV_LEVEL)
+ mopt->dir_resv_level = option;
break;
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
-diff -NurpP --minimal linux-2.6.27.33/fs/open.c linux-2.6.27.33-vs2.3.0.36.6/fs/open.c
---- linux-2.6.27.33/fs/open.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/open.c 2009-02-03 17:59:04.000000000 +0100
-@@ -29,22 +29,31 @@
- #include <linux/rcupdate.h>
- #include <linux/audit.h>
- #include <linux/falloc.h>
+diff -NurpP --minimal linux-3.18.5/fs/open.c linux-3.18.5-vs2.3.7.3/fs/open.c
+--- linux-3.18.5/fs/open.c 2015-01-17 02:40:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/open.c 2015-01-19 10:58:03.000000000 +0000
+@@ -31,6 +31,11 @@
+ #include <linux/ima.h>
+ #include <linux/dnotify.h>
+ #include <linux/compat.h>
+#include <linux/vs_base.h>
+#include <linux/vs_limit.h>
-+#include <linux/vs_dlimit.h>
+#include <linux/vs_tag.h>
+#include <linux/vs_cowbl.h>
++#include <linux/vserver/dlimit.h>
- int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
- {
- int retval = -ENODEV;
-
- if (dentry) {
-+ struct super_block *sb = dentry->d_sb;
-+
- retval = -ENOSYS;
-- if (dentry->d_sb->s_op->statfs) {
-+ if (sb->s_op->statfs) {
- memset(buf, 0, sizeof(*buf));
- retval = security_sb_statfs(dentry);
- if (retval)
- return retval;
-- retval = dentry->d_sb->s_op->statfs(dentry, buf);
-+ retval = sb->s_op->statfs(dentry, buf);
- if (retval == 0 && buf->f_frsize == 0)
- buf->f_frsize = buf->f_bsize;
- }
-+ if (!vx_check(0, VS_ADMIN|VS_WATCH))
-+ vx_vsi_statfs(sb, buf);
- }
- return retval;
- }
-@@ -643,6 +652,10 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, cons
- error = user_path_at(dfd, filename, LOOKUP_FOLLOW, &path);
- if (error)
- goto out;
-+
-+ error = cow_check_and_break(&path);
+ #include "internal.h"
+
+@@ -68,6 +73,11 @@ long vfs_truncate(struct path *path, lof
+ struct inode *inode;
+ long error;
+
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(path);
+ if (error)
-+ goto dput_and_out;
- inode = path.dentry->d_inode;
++ goto out;
++#endif
+ inode = path->dentry->d_inode;
- error = mnt_want_write(path.mnt);
-@@ -676,11 +689,11 @@ static int chown_common(struct dentry *
- newattrs.ia_valid = ATTR_CTIME;
- if (user != (uid_t) -1) {
+ /* For directories it's -EISDIR, for other non-regulars - -EINVAL */
+@@ -530,6 +540,13 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, cons
+ unsigned int lookup_flags = LOOKUP_FOLLOW;
+ retry:
+ error = user_path_at(dfd, filename, lookup_flags, &path);
++#ifdef CONFIG_VSERVER_COWBL
++ if (!error) {
++ error = cow_check_and_break(&path);
++ if (error)
++ path_put(&path);
++ }
++#endif
+ if (!error) {
+ error = chmod_common(&path, mode);
+ path_put(&path);
+@@ -563,13 +580,15 @@ static int chown_common(struct path *pat
+ if (!uid_valid(uid))
+ return -EINVAL;
newattrs.ia_valid |= ATTR_UID;
-- newattrs.ia_uid = user;
-+ newattrs.ia_uid = dx_map_uid(user);
+- newattrs.ia_uid = uid;
++ newattrs.ia_uid = make_kuid(&init_user_ns,
++ dx_map_uid(user));
}
if (group != (gid_t) -1) {
+ if (!gid_valid(gid))
+ return -EINVAL;
newattrs.ia_valid |= ATTR_GID;
-- newattrs.ia_gid = group;
-+ newattrs.ia_gid = dx_map_gid(group);
+- newattrs.ia_gid = gid;
++ newattrs.ia_gid = make_kgid(&init_user_ns,
++ dx_map_gid(group));
}
if (!S_ISDIR(inode->i_mode))
newattrs.ia_valid |=
-@@ -703,7 +716,11 @@ SYSCALL_DEFINE3(chown, const char __user
+@@ -608,6 +627,18 @@ retry:
error = mnt_want_write(path.mnt);
if (error)
goto out_release;
-- error = chown_common(path.dentry, user, group);
+#ifdef CONFIG_VSERVER_COWBL
+ error = cow_check_and_break(&path);
+ if (!error)
+#endif
-+ error = chown_common(path.dentry, user, group);
- mnt_drop_write(path.mnt);
- out_release:
- path_put(&path);
-@@ -728,7 +745,11 @@ SYSCALL_DEFINE5(fchownat, int, dfd, cons
- error = mnt_want_write(path.mnt);
- if (error)
- goto out_release;
-- error = chown_common(path.dentry, user, group);
+#ifdef CONFIG_VSERVER_COWBL
+ error = cow_check_and_break(&path);
+ if (!error)
+#endif
-+ error = chown_common(path.dentry, user, group);
- mnt_drop_write(path.mnt);
- out_release:
- path_put(&path);
-@@ -747,7 +768,11 @@ SYSCALL_DEFINE3(lchown, const char __use
- error = mnt_want_write(path.mnt);
- if (error)
- goto out_release;
-- error = chown_common(path.dentry, user, group);
+#ifdef CONFIG_VSERVER_COWBL
+ error = cow_check_and_break(&path);
+ if (!error)
+#endif
-+ error = chown_common(path.dentry, user, group);
+ error = chown_common(&path, user, group);
mnt_drop_write(path.mnt);
out_release:
- path_put(&path);
-@@ -986,6 +1011,7 @@ static void __put_unused_fd(struct files
- __FD_CLR(fd, fdt->open_fds);
- if (fd < files->next_fd)
- files->next_fd = fd;
-+ vx_openfd_dec(fd);
- }
-
- void put_unused_fd(unsigned int fd)
-diff -NurpP --minimal linux-2.6.27.33/fs/proc/array.c linux-2.6.27.33-vs2.3.0.36.6/fs/proc/array.c
---- linux-2.6.27.33/fs/proc/array.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/proc/array.c 2009-05-20 02:14:39.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/fs/proc/array.c linux-3.18.5-vs2.3.7.3/fs/proc/array.c
+--- linux-3.18.5/fs/proc/array.c 2015-01-16 22:19:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/array.c 2015-01-21 06:37:56.000000000 +0000
@@ -82,6 +82,8 @@
- #include <linux/pid_namespace.h>
#include <linux/ptrace.h>
#include <linux/tracehook.h>
+ #include <linux/user_namespace.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
-@@ -143,8 +145,9 @@ static const char *task_state_array[] =
- "D (disk sleep)", /* 2 */
- "T (stopped)", /* 4 */
- "T (tracing stop)", /* 8 */
-- "Z (zombie)", /* 16 */
-- "X (dead)" /* 32 */
-+ "H (on hold)", /* 16 */
-+ "Z (zombie)", /* 32 */
-+ "X (dead)", /* 64 */
- };
-
- static inline const char *get_task_state(struct task_struct *tsk)
-@@ -170,6 +173,9 @@ static inline void task_state(struct seq
+@@ -164,6 +166,9 @@ static inline void task_state(struct seq
rcu_read_lock();
ppid = pid_alive(p) ?
task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
+
tpid = 0;
if (pid_alive(p)) {
- struct task_struct *tracer = tracehook_tracer_task(p);
-@@ -287,7 +293,7 @@ static inline void task_sig(struct seq_f
+ struct task_struct *tracer = ptrace_parent(p);
+@@ -289,8 +294,8 @@ static inline void task_sig(struct seq_f
+ render_sigset_t(m, "SigCgt:\t", &caught);
}
- static void render_cap_t(struct seq_file *m, const char *header,
+-static void render_cap_t(struct seq_file *m, const char *header,
- kernel_cap_t *a)
++void render_cap_t(struct seq_file *m, const char *header,
+ struct vx_info *vxi, kernel_cap_t *a)
{
unsigned __capi;
-@@ -301,10 +307,10 @@ static void render_cap_t(struct seq_file
+@@ -315,10 +320,11 @@ static inline void task_cap(struct seq_f
+ cap_bset = cred->cap_bset;
+ rcu_read_unlock();
- static inline void task_cap(struct seq_file *m, struct task_struct *p)
- {
-- render_cap_t(m, "CapInh:\t", &p->cap_inheritable);
-- render_cap_t(m, "CapPrm:\t", &p->cap_permitted);
-- render_cap_t(m, "CapEff:\t", &p->cap_effective);
-- render_cap_t(m, "CapBnd:\t", &p->cap_bset);
-+ render_cap_t(m, "CapInh:\t", p->vx_info, &p->cap_inheritable);
-+ render_cap_t(m, "CapPrm:\t", p->vx_info, &p->cap_permitted);
-+ render_cap_t(m, "CapEff:\t", p->vx_info, &p->cap_effective);
-+ render_cap_t(m, "CapBnd:\t", p->vx_info, &p->cap_bset);
+- render_cap_t(m, "CapInh:\t", &cap_inheritable);
+- render_cap_t(m, "CapPrm:\t", &cap_permitted);
+- render_cap_t(m, "CapEff:\t", &cap_effective);
+- render_cap_t(m, "CapBnd:\t", &cap_bset);
++ /* FIXME: maybe move the p->vx_info masking to __task_cred() ? */
++ render_cap_t(m, "CapInh:\t", p->vx_info, &cap_inheritable);
++ render_cap_t(m, "CapPrm:\t", p->vx_info, &cap_permitted);
++ render_cap_t(m, "CapEff:\t", p->vx_info, &cap_effective);
++ render_cap_t(m, "CapBnd:\t", p->vx_info, &cap_bset);
}
- static inline void task_context_switch_counts(struct seq_file *m,
-@@ -316,6 +322,45 @@ static inline void task_context_switch_c
- p->nivcsw);
+ static inline void task_seccomp(struct seq_file *m, struct task_struct *p)
+@@ -347,6 +353,43 @@ static void task_cpus_allowed(struct seq
+ seq_putc(m, '\n');
}
+int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
+ "ipc:\t%p(%c)\n"
+ "mnt:\t%p(%c)\n"
+ "pid:\t%p(%c)\n"
-+ "user:\t%p(%c)\n"
+ "net:\t%p(%c)\n",
+ task->nsproxy,
+ (task->nsproxy == init_task.nsproxy ? 'I' : '-'),
+ (task->nsproxy->ipc_ns == init_task.nsproxy->ipc_ns ? 'I' : '-'),
+ task->nsproxy->mnt_ns,
+ (task->nsproxy->mnt_ns == init_task.nsproxy->mnt_ns ? 'I' : '-'),
-+ task->nsproxy->pid_ns,
-+ (task->nsproxy->pid_ns == init_task.nsproxy->pid_ns ? 'I' : '-'),
-+ task->nsproxy->user_ns,
-+ (task->nsproxy->user_ns == init_task.nsproxy->user_ns ? 'I' : '-'),
++ task->nsproxy->pid_ns_for_children,
++ (task->nsproxy->pid_ns_for_children ==
++ init_task.nsproxy->pid_ns_for_children ? 'I' : '-'),
+ task->nsproxy->net_ns,
+ (task->nsproxy->net_ns == init_task.nsproxy->net_ns ? 'I' : '-'));
+ return 0;
+ if (task_vx_flags(task, VXF_HIDE_VINFO, 0))
+ return;
+
-+ seq_printf(m, "VxID: %d\n", vx_task_xid(task));
-+ seq_printf(m, "NxID: %d\n", nx_task_nid(task));
++ seq_printf(m, "VxID:\t%d\n", vx_task_xid(task));
++ seq_printf(m, "NxID:\t%d\n", nx_task_nid(task));
+}
+
+
int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task)
{
-@@ -331,6 +376,7 @@ int proc_pid_status(struct seq_file *m,
- task_sig(m, task);
- task_cap(m, task);
+@@ -364,6 +407,7 @@ int proc_pid_status(struct seq_file *m,
+ task_seccomp(m, task);
+ task_cpus_allowed(m, task);
cpuset_task_status_allowed(m, task);
+ task_vs_id(m, task);
- #if defined(CONFIG_S390)
- task_show_regs(m, task);
- #endif
-@@ -447,6 +493,17 @@ static int do_task_stat(struct seq_file
+ task_context_switch_counts(m, task);
+ return 0;
+ }
+@@ -467,6 +511,17 @@ static int do_task_stat(struct seq_file
/* convert nsec -> ticks */
- start_time = nsec_to_clock_t(start_time);
+ start_time = nsec_to_clock_t(task->real_start_time);
+ /* fixup start time for virt uptime */
+ if (vx_flags(VXF_VIRT_UPTIME, 0)) {
+ start_time = 0;
+ }
+
- seq_printf(m, "%d (%s) %c %d %d %d %d %d %u %lu \
- %lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \
- %lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld\n",
-diff -NurpP --minimal linux-2.6.27.33/fs/proc/base.c linux-2.6.27.33-vs2.3.0.36.6/fs/proc/base.c
---- linux-2.6.27.33/fs/proc/base.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/proc/base.c 2009-08-17 19:07:36.000000000 +0200
-@@ -79,6 +79,8 @@
- #include <linux/oom.h>
- #include <linux/elf.h>
- #include <linux/pid_namespace.h>
+ seq_printf(m, "%d (%s) %c", pid_nr_ns(pid, ns), tcomm, state);
+ seq_put_decimal_ll(m, ' ', ppid);
+ seq_put_decimal_ll(m, ' ', pgid);
+diff -NurpP --minimal linux-3.18.5/fs/proc/base.c linux-3.18.5-vs2.3.7.3/fs/proc/base.c
+--- linux-3.18.5/fs/proc/base.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/base.c 2015-01-22 09:04:57.000000000 +0000
+@@ -87,6 +87,8 @@
+ #include <linux/slab.h>
+ #include <linux/flex_array.h>
+ #include <linux/posix-timers.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
- #include "internal.h"
+ #ifdef CONFIG_HARDWALL
+ #include <asm/hardwall.h>
+ #endif
+@@ -884,11 +886,15 @@ static ssize_t oom_adj_write(struct file
+ oom_adj = (oom_adj * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE;
+
+ if (oom_adj < task->signal->oom_score_adj &&
+- !capable(CAP_SYS_RESOURCE)) {
++ !vx_capable(CAP_SYS_RESOURCE, VXC_OOM_ADJUST)) {
+ err = -EACCES;
+ goto err_sighand;
+ }
- /* NOTE:
-@@ -1421,6 +1423,8 @@ static struct inode *proc_pid_make_inode
- inode->i_uid = task->euid;
- inode->i_gid = task->egid;
++ /* prevent guest processes from circumventing the oom killer */
++ if (vx_current_xid() && (oom_adj == OOM_DISABLE))
++ oom_adj = OOM_ADJUST_MIN;
++
+ /*
+ * /proc/pid/oom_adj is provided for legacy purposes, ask users to use
+ * /proc/pid/oom_score_adj instead.
+@@ -1476,6 +1482,8 @@ struct inode *proc_pid_make_inode(struct
+ inode->i_gid = cred->egid;
+ rcu_read_unlock();
}
+ /* procfs is xid tagged */
-+ inode->i_tag = (tag_t)vx_task_xid(task);
++ i_tag_write(inode, (vtag_t)vx_task_xid(task));
security_task_to_inode(task, inode);
out:
-@@ -1961,6 +1965,13 @@ static struct dentry *proc_pident_lookup
+@@ -1521,6 +1529,8 @@ int pid_getattr(struct vfsmount *mnt, st
+
+ /* dentry stuff */
+
++// static unsigned name_to_int(struct dentry *dentry);
++
+ /*
+ * Exceptional case: normally we are not allowed to unhash a busy
+ * directory. In this case, however, we can do it - no aliasing problems
+@@ -1549,6 +1559,19 @@ int pid_revalidate(struct dentry *dentry
+ task = get_proc_task(inode);
+
+ if (task) {
++ unsigned pid = name_to_int(&dentry->d_name);
++
++ if (pid != ~0U && pid != vx_map_pid(task->pid) &&
++ pid != __task_pid_nr_ns(task, PIDTYPE_PID,
++ task_active_pid_ns(task))) {
++ vxdprintk(VXD_CBIT(misc, 10),
++ VS_Q("%*s") " dropped by pid_revalidate(%d!=%d)",
++ dentry->d_name.len, dentry->d_name.name,
++ pid, vx_map_pid(task->pid));
++ put_task_struct(task);
++ d_drop(dentry);
++ return 0;
++ }
+ if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
+ task_dumpable(task)) {
+ rcu_read_lock();
+@@ -2085,6 +2108,13 @@ static struct dentry *proc_pident_lookup
if (!task)
goto out_no_task;
/*
* Yes, it does not scale. And it should not. Don't add
* new entries into /proc/<tgid>/ without very good reasons.
-@@ -2348,7 +2359,7 @@ out_iput:
- static struct dentry *proc_base_lookup(struct inode *dir, struct dentry *dentry)
- {
- struct dentry *error;
-- struct task_struct *task = get_proc_task(dir);
-+ struct task_struct *task = get_proc_task_real(dir);
- const struct pid_entry *p, *last;
-
- error = ERR_PTR(-ENOENT);
-@@ -2431,6 +2442,9 @@ static int proc_tgid_io_accounting(struc
+@@ -2534,6 +2564,11 @@ static int proc_pid_personality(struct s
static const struct file_operations proc_task_operations;
static const struct inode_operations proc_task_inode_operations;
-+extern int proc_pid_vx_info(struct task_struct *, char *);
-+extern int proc_pid_nx_info(struct task_struct *, char *);
++extern int proc_pid_vx_info(struct seq_file *,
++ struct pid_namespace *, struct pid *, struct task_struct *);
++extern int proc_pid_nx_info(struct seq_file *,
++ struct pid_namespace *, struct pid *, struct task_struct *);
+
static const struct pid_entry tgid_base_stuff[] = {
- DIR("task", S_IRUGO|S_IXUGO, task),
- DIR("fd", S_IRUSR|S_IXUSR, fd),
-@@ -2485,6 +2499,8 @@ static const struct pid_entry tgid_base_
+ DIR("task", S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations),
+ DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
+@@ -2600,6 +2635,8 @@ static const struct pid_entry tgid_base_
#ifdef CONFIG_CGROUPS
- REG("cgroup", S_IRUGO, cgroup),
+ ONE("cgroup", S_IRUGO, proc_cgroup_show),
#endif
-+ INF("vinfo", S_IRUGO, pid_vx_info),
-+ INF("ninfo", S_IRUGO, pid_nx_info),
- INF("oom_score", S_IRUGO, oom_score),
- REG("oom_adj", S_IRUGO|S_IWUSR, oom_adjust),
- #ifdef CONFIG_AUDITSYSCALL
-@@ -2500,6 +2516,7 @@ static const struct pid_entry tgid_base_
- #ifdef CONFIG_TASK_IO_ACCOUNTING
- INF("io", S_IRUGO, tgid_io_accounting),
- #endif
-+ ONE("nsproxy", S_IRUGO, pid_nsproxy),
- };
-
- static int proc_tgid_base_readdir(struct file * filp,
-@@ -2696,7 +2713,7 @@ retry:
++ ONE("vinfo", S_IRUGO, proc_pid_vx_info),
++ ONE("ninfo", S_IRUGO, proc_pid_nx_info),
+ ONE("oom_score", S_IRUGO, proc_oom_score),
+ REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
+ REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
+@@ -2811,7 +2848,7 @@ retry:
iter.task = NULL;
pid = find_ge_pid(iter.tgid, ns);
if (pid) {
iter.task = pid_task(pid, PIDTYPE_PID);
/* What we to know is if the pid we have find is the
* pid of a thread_group_leader. Testing for task
-@@ -2726,7 +2743,7 @@ static int proc_pid_fill_cache(struct fi
- struct tgid_iter iter)
- {
- char name[PROC_NUMBUF];
-- int len = snprintf(name, sizeof(name), "%d", iter.tgid);
-+ int len = snprintf(name, sizeof(name), "%d", vx_map_tgid(iter.tgid));
- return proc_fill_cache(filp, dirent, filldir, name, len,
- proc_pid_instantiate, iter.task, NULL);
- }
-@@ -2735,7 +2752,7 @@ static int proc_pid_fill_cache(struct fi
- int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir)
- {
- unsigned int nr = filp->f_pos - FIRST_PROCESS_ENTRY;
-- struct task_struct *reaper = get_proc_task(filp->f_path.dentry->d_inode);
-+ struct task_struct *reaper = get_proc_task_real(filp->f_path.dentry->d_inode);
- struct tgid_iter iter;
- struct pid_namespace *ns;
-
-@@ -2755,6 +2772,8 @@ int proc_pid_readdir(struct file * filp,
- iter.task;
- iter.tgid += 1, iter = next_tgid(ns, iter)) {
- filp->f_pos = iter.tgid + TGID_OFFSET;
+@@ -2869,8 +2906,10 @@ int proc_pid_readdir(struct file *file,
+ if (!has_pid_permissions(ns, iter.task, 2))
+ continue;
+
+- len = snprintf(name, sizeof(name), "%d", iter.tgid);
++ len = snprintf(name, sizeof(name), "%d", vx_map_tgid(iter.tgid));
+ ctx->pos = iter.tgid + TGID_OFFSET;
+ if (!vx_proc_task_visible(iter.task))
+ continue;
- if (proc_pid_fill_cache(filp, dirent, filldir, iter) < 0) {
+ if (!proc_fill_cache(file, ctx, name, len,
+ proc_pid_instantiate, iter.task, NULL)) {
put_task_struct(iter.task);
- goto out;
-@@ -2897,6 +2916,8 @@ static struct dentry *proc_task_lookup(s
- tid = name_to_int(dentry);
+@@ -2967,6 +3006,7 @@ static const struct pid_entry tid_base_s
+ REG("projid_map", S_IRUGO|S_IWUSR, proc_projid_map_operations),
+ REG("setgroups", S_IRUGO|S_IWUSR, proc_setgroups_operations),
+ #endif
++ ONE("nsproxy", S_IRUGO, proc_pid_nsproxy),
+ };
+
+ static int proc_tid_base_readdir(struct file *file, struct dir_context *ctx)
+@@ -3033,6 +3073,8 @@ static struct dentry *proc_task_lookup(s
+ tid = name_to_int(&dentry->d_name);
if (tid == ~0U)
goto out;
+ if (vx_current_initpid(tid))
ns = dentry->d_sb->s_fs_info;
rcu_read_lock();
-diff -NurpP --minimal linux-2.6.27.33/fs/proc/generic.c linux-2.6.27.33-vs2.3.0.36.6/fs/proc/generic.c
---- linux-2.6.27.33/fs/proc/generic.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/proc/generic.c 2008-10-13 14:54:20.000000000 +0200
-@@ -21,6 +21,7 @@
+diff -NurpP --minimal linux-3.18.5/fs/proc/generic.c linux-3.18.5-vs2.3.7.3/fs/proc/generic.c
+--- linux-3.18.5/fs/proc/generic.c 2015-01-16 22:19:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/generic.c 2015-01-22 08:31:12.000000000 +0000
+@@ -23,6 +23,7 @@
#include <linux/bitops.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <asm/uaccess.h>
#include "internal.h"
-@@ -384,6 +385,8 @@ struct dentry *proc_lookup_de(struct pro
+@@ -186,6 +187,12 @@ struct dentry *proc_lookup_de(struct pro
for (de = de->subdir; de ; de = de->next) {
if (de->namelen != dentry->d_name.len)
continue;
-+ if (!vx_hide_check(0, de->vx_flags))
-+ continue;
++ if (!vx_hide_check(0, de->vx_flags)) {
++ vxdprintk(VXD_CBIT(misc, 9),
++ VS_Q("%*s") " hidden in proc_lookup_de()",
++ de->namelen, de->name);
++ continue;
++ }
if (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
- unsigned int ino;
-
-@@ -392,6 +395,8 @@ struct dentry *proc_lookup_de(struct pro
+ pde_get(de);
spin_unlock(&proc_subdir_lock);
- error = -EINVAL;
- inode = proc_get_inode(dir->i_sb, ino, de);
-+ /* generic proc entries belong to the host */
-+ inode->i_tag = 0;
- goto out_unlock;
+@@ -194,6 +201,8 @@ struct dentry *proc_lookup_de(struct pro
+ return ERR_PTR(-ENOMEM);
+ d_set_d_op(dentry, &simple_dentry_operations);
+ d_add(dentry, inode);
++ /* generic proc entries belong to the host */
++ i_tag_write(inode, 0);
+ return NULL;
}
}
-@@ -472,6 +477,8 @@ int proc_readdir_de(struct proc_dir_entr
-
- /* filldir passes info to user space */
- de_get(de);
-+ if (!vx_hide_check(0, de->vx_flags))
-+ goto skip;
- spin_unlock(&proc_subdir_lock);
- if (filldir(dirent, de->name, de->namelen, filp->f_pos,
- de->low_ino, de->mode >> 12) < 0) {
-@@ -479,6 +486,7 @@ int proc_readdir_de(struct proc_dir_entr
- goto out;
- }
- spin_lock(&proc_subdir_lock);
-+ skip:
- filp->f_pos++;
- next = de->next;
- de_put(de);
-@@ -593,6 +601,7 @@ static struct proc_dir_entry *__proc_cre
+@@ -241,6 +250,13 @@ int proc_readdir_de(struct proc_dir_entr
+ do {
+ struct proc_dir_entry *next;
+ pde_get(de);
++
++ if (!vx_hide_check(0, de->vx_flags)) {
++ vxdprintk(VXD_CBIT(misc, 9),
++ VS_Q("%*s") " hidden in proc_readdir_de()",
++ de->namelen, de->name);
++ goto skip;
++ }
+ spin_unlock(&proc_subdir_lock);
+ if (!dir_emit(ctx, de->name, de->namelen,
+ de->low_ino, de->mode >> 12)) {
+@@ -248,6 +264,7 @@ int proc_readdir_de(struct proc_dir_entr
+ return 0;
+ }
+ spin_lock(&proc_subdir_lock);
++ skip:
+ ctx->pos++;
+ next = de->next;
+ pde_put(de);
+@@ -354,6 +371,7 @@ static struct proc_dir_entry *__proc_cre
+ ent->namelen = qstr.len;
+ ent->mode = mode;
ent->nlink = nlink;
- atomic_set(&ent->count, 1);
- ent->pde_users = 0;
+ ent->vx_flags = IATTR_PROC_DEFAULT;
+ atomic_set(&ent->count, 1);
spin_lock_init(&ent->pde_unload_lock);
- ent->pde_unload_completion = NULL;
INIT_LIST_HEAD(&ent->pde_openers);
-@@ -616,7 +625,8 @@ struct proc_dir_entry *proc_symlink(cons
+@@ -377,7 +395,8 @@ struct proc_dir_entry *proc_symlink(cons
kfree(ent->data);
kfree(ent);
ent = NULL;
} else {
kfree(ent);
ent = NULL;
-diff -NurpP --minimal linux-2.6.27.33/fs/proc/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/proc/inode.c
---- linux-2.6.27.33/fs/proc/inode.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/proc/inode.c 2008-10-13 14:54:20.000000000 +0200
-@@ -469,6 +469,8 @@ struct inode *proc_get_inode(struct supe
+diff -NurpP --minimal linux-3.18.5/fs/proc/inode.c linux-3.18.5-vs2.3.7.3/fs/proc/inode.c
+--- linux-3.18.5/fs/proc/inode.c 2015-01-16 22:19:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/inode.c 2015-01-19 10:58:03.000000000 +0000
+@@ -415,6 +415,8 @@ struct inode *proc_get_inode(struct supe
inode->i_uid = de->uid;
inode->i_gid = de->gid;
}
if (de->size)
inode->i_size = de->size;
if (de->nlink)
-diff -NurpP --minimal linux-2.6.27.33/fs/proc/internal.h linux-2.6.27.33-vs2.3.0.36.6/fs/proc/internal.h
---- linux-2.6.27.33/fs/proc/internal.h 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/proc/internal.h 2008-10-13 14:54:20.000000000 +0200
-@@ -10,6 +10,7 @@
- */
-
- #include <linux/proc_fs.h>
+diff -NurpP --minimal linux-3.18.5/fs/proc/internal.h linux-3.18.5-vs2.3.7.3/fs/proc/internal.h
+--- linux-3.18.5/fs/proc/internal.h 2015-01-17 02:40:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/internal.h 2015-01-19 12:40:33.000000000 +0000
+@@ -14,6 +14,7 @@
+ #include <linux/spinlock.h>
+ #include <linux/atomic.h>
+ #include <linux/binfmts.h>
+#include <linux/vs_pid.h>
- extern struct proc_dir_entry proc_root;
- #ifdef CONFIG_PROC_SYSCTL
-@@ -55,6 +56,9 @@ extern int proc_pid_status(struct seq_fi
- struct pid *pid, struct task_struct *task);
- extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task);
-+extern int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
-+ struct pid *pid, struct task_struct *task);
+ struct ctl_table_header;
+ struct mempolicy;
+@@ -35,6 +36,7 @@ struct proc_dir_entry {
+ nlink_t nlink;
+ kuid_t uid;
+ kgid_t gid;
++ int vx_flags;
+ loff_t size;
+ const struct inode_operations *proc_iops;
+ const struct file_operations *proc_fops;
+@@ -50,15 +52,22 @@ struct proc_dir_entry {
+ char name[];
+ };
+
++struct vx_info;
++struct nx_info;
+
- extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
+ union proc_op {
+ int (*proc_get_link)(struct dentry *, struct path *);
+ int (*proc_show)(struct seq_file *m,
+ struct pid_namespace *ns, struct pid *pid,
+ struct task_struct *task);
++ int (*proc_vs_read)(char *page);
++ int (*proc_vxi_read)(struct vx_info *vxi, char *page);
++ int (*proc_nxi_read)(struct nx_info *nxi, char *page);
+ };
- extern const struct file_operations proc_maps_operations;
-@@ -75,11 +79,16 @@ static inline struct pid *proc_pid(struc
+ struct proc_inode {
+ struct pid *pid;
++ int vx_flags;
+ int fd;
+ union proc_op op;
+ struct proc_dir_entry *pde;
+@@ -91,11 +100,16 @@ static inline struct pid *proc_pid(struc
return PROC_I(inode)->pid;
}
+ return vx_get_proc_task(inode, proc_pid(inode));
+}
+
- static inline int proc_fd(struct inode *inode)
+ static inline int task_dumpable(struct task_struct *task)
{
- return PROC_I(inode)->fd;
-diff -NurpP --minimal linux-2.6.27.33/fs/proc/proc_misc.c linux-2.6.27.33-vs2.3.0.36.6/fs/proc/proc_misc.c
---- linux-2.6.27.33/fs/proc/proc_misc.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/proc/proc_misc.c 2009-03-25 14:32:29.000000000 +0100
-@@ -57,6 +57,8 @@
- #include <asm/div64.h>
- #include "internal.h"
+ int dumpable = 0;
+@@ -154,6 +168,8 @@ extern int proc_pid_status(struct seq_fi
+ struct pid *, struct task_struct *);
+ extern int proc_pid_statm(struct seq_file *, struct pid_namespace *,
+ struct pid *, struct task_struct *);
++extern int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
++ struct pid *pid, struct task_struct *task);
-+#include <linux/vs_cvirt.h>
-+
- #define LOAD_INT(x) ((x) >> FSHIFT)
- #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
/*
-@@ -84,22 +86,38 @@ static int proc_calc_metrics(char *page,
- static int loadavg_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+ * base.c
+diff -NurpP --minimal linux-3.18.5/fs/proc/loadavg.c linux-3.18.5-vs2.3.7.3/fs/proc/loadavg.c
+--- linux-3.18.5/fs/proc/loadavg.c 2014-06-12 11:34:59.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/loadavg.c 2015-01-19 10:58:03.000000000 +0000
+@@ -12,15 +12,27 @@
+
+ static int loadavg_proc_show(struct seq_file *m, void *v)
{
+ unsigned long running;
+ unsigned int threads;
- int a, b, c;
- int len;
- unsigned long seq;
+ unsigned long avnrun[3];
- do {
- seq = read_seqbegin(&xtime_lock);
-- a = avenrun[0] + (FIXED_1/200);
-- b = avenrun[1] + (FIXED_1/200);
-- c = avenrun[2] + (FIXED_1/200);
-+ if (vx_flags(VXF_VIRT_LOAD, 0)) {
-+ struct vx_info *vxi = current->vx_info;
-+
-+ a = vxi->cvirt.load[0] + (FIXED_1/200);
-+ b = vxi->cvirt.load[1] + (FIXED_1/200);
-+ c = vxi->cvirt.load[2] + (FIXED_1/200);
-+
-+ running = atomic_read(&vxi->cvirt.nr_running);
-+ threads = atomic_read(&vxi->cvirt.nr_threads);
-+ } else {
-+ a = avenrun[0] + (FIXED_1/200);
-+ b = avenrun[1] + (FIXED_1/200);
-+ c = avenrun[2] + (FIXED_1/200);
-+
-+ running = nr_running();
-+ threads = nr_threads;
-+ }
- } while (read_seqretry(&xtime_lock, seq));
+ get_avenrun(avnrun, FIXED_1/200, 0);
- len = sprintf(page,"%d.%02d %d.%02d %d.%02d %ld/%d %d\n",
- LOAD_INT(a), LOAD_FRAC(a),
- LOAD_INT(b), LOAD_FRAC(b),
- LOAD_INT(c), LOAD_FRAC(c),
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++
++ running = atomic_read(&vxi->cvirt.nr_running);
++ threads = atomic_read(&vxi->cvirt.nr_threads);
++ } else {
++ running = nr_running();
++ threads = nr_threads;
++ }
++
+ seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
+ LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
+ LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
+ LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
- nr_running(), nr_threads,
+ running, threads,
task_active_pid_ns(current)->last_pid);
- return proc_calc_metrics(page, start, off, count, eof, len);
+ return 0;
}
-@@ -115,6 +133,9 @@ static int uptime_read_proc(char *page,
- do_posix_clock_monotonic_gettime(&uptime);
- monotonic_to_bootbased(&uptime);
- cputime_to_timespec(idletime, &idle);
-+ if (vx_flags(VXF_VIRT_UPTIME, 0))
-+ vx_vsi_uptime(&uptime, &idle);
-+
- len = sprintf(page,"%lu.%02lu %lu.%02lu\n",
- (unsigned long) uptime.tv_sec,
- (uptime.tv_nsec / (NSEC_PER_SEC / 100)),
-@@ -151,7 +172,7 @@ static int meminfo_read_proc(char *page,
-
- cached = global_page_state(NR_FILE_PAGES) -
- total_swapcache_pages - i.bufferram;
-- if (cached < 0)
-+ if (cached < 0 || vx_flags(VXF_VIRT_MEM, 0))
+diff -NurpP --minimal linux-3.18.5/fs/proc/meminfo.c linux-3.18.5-vs2.3.7.3/fs/proc/meminfo.c
+--- linux-3.18.5/fs/proc/meminfo.c 2015-01-16 22:19:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/meminfo.c 2015-01-19 10:58:03.000000000 +0000
+@@ -41,7 +41,8 @@ static int meminfo_proc_show(struct seq_
+ si_swapinfo(&i);
+ committed = percpu_counter_read_positive(&vm_committed_as);
+
+- cached = global_page_state(NR_FILE_PAGES) -
++ cached = vx_flags(VXF_VIRT_MEM, 0) ?
++ vx_vsi_cached(&i) : global_page_state(NR_FILE_PAGES) -
+ total_swapcache_pages() - i.bufferram;
+ if (cached < 0)
cached = 0;
-
- get_vmalloc_info(&vmi);
-diff -NurpP --minimal linux-2.6.27.33/fs/proc/root.c linux-2.6.27.33-vs2.3.0.36.6/fs/proc/root.c
---- linux-2.6.27.33/fs/proc/root.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/proc/root.c 2008-11-20 00:58:27.000000000 +0100
-@@ -19,9 +19,14 @@
- #include <linux/smp_lock.h>
+diff -NurpP --minimal linux-3.18.5/fs/proc/root.c linux-3.18.5-vs2.3.7.3/fs/proc/root.c
+--- linux-3.18.5/fs/proc/root.c 2015-01-16 22:19:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/root.c 2015-01-19 10:58:04.000000000 +0000
+@@ -20,9 +20,14 @@
#include <linux/mount.h>
#include <linux/pid_namespace.h>
+ #include <linux/parser.h>
+#include <linux/vserver/inode.h>
#include "internal.h"
static int proc_test_super(struct super_block *sb, void *data)
{
return sb->s_fs_info == data;
-@@ -137,6 +142,7 @@ void __init proc_root_init(void)
- #endif
+@@ -116,7 +121,8 @@ static struct dentry *proc_mount(struct
+ return ERR_PTR(-EPERM);
+
+ /* Does the mounter have privilege over the pid namespace? */
+- if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return ERR_PTR(-EPERM);
+ }
+
+@@ -190,6 +196,7 @@ void __init proc_root_init(void)
+ proc_tty_init();
proc_mkdir("bus", NULL);
proc_sys_init();
+ proc_vx_init();
}
static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat
-@@ -209,6 +215,7 @@ struct proc_dir_entry proc_root = {
+@@ -251,6 +258,7 @@ struct proc_dir_entry proc_root = {
.proc_iops = &proc_root_inode_operations,
.proc_fops = &proc_root_operations,
.parent = &proc_root,
+ .vx_flags = IATTR_ADMIN | IATTR_WATCH,
+ .name = "/proc",
};
- int pid_ns_prepare_proc(struct pid_namespace *ns)
-diff -NurpP --minimal linux-2.6.27.33/fs/quota.c linux-2.6.27.33-vs2.3.0.36.6/fs/quota.c
---- linux-2.6.27.33/fs/quota.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/quota.c 2009-02-03 17:59:04.000000000 +0100
-@@ -18,6 +18,7 @@
- #include <linux/capability.h>
- #include <linux/quotaops.h>
- #include <linux/types.h>
-+#include <linux/vs_context.h>
+diff -NurpP --minimal linux-3.18.5/fs/proc/self.c linux-3.18.5-vs2.3.7.3/fs/proc/self.c
+--- linux-3.18.5/fs/proc/self.c 2014-06-12 13:02:46.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/self.c 2015-01-19 10:58:04.000000000 +0000
+@@ -2,6 +2,7 @@
+ #include <linux/namei.h>
+ #include <linux/slab.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vserver/inode.h>
+ #include "internal.h"
- /* Check validity of generic quotactl commands */
- static int generic_quotactl_valid(struct super_block *sb, int type, int cmd, qid_t id)
-@@ -81,11 +82,11 @@ static int generic_quotactl_valid(struct
- if (cmd == Q_GETQUOTA) {
- if (((type == USRQUOTA && current->euid != id) ||
- (type == GRPQUOTA && !in_egroup_p(id))) &&
-- !capable(CAP_SYS_ADMIN))
-+ !vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
- return -EPERM;
- }
- else if (cmd != Q_GETFMT && cmd != Q_SYNC && cmd != Q_GETINFO)
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
- return -EPERM;
+ /*
+@@ -54,6 +55,8 @@ int proc_setup_self(struct super_block *
+ self = d_alloc_name(s->s_root, "self");
+ if (self) {
+ struct inode *inode = new_inode_pseudo(s);
++
++ // self->vx_flags = IATTR_PROC_SYMLINK;
+ if (inode) {
+ inode->i_ino = self_inum;
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+diff -NurpP --minimal linux-3.18.5/fs/proc/stat.c linux-3.18.5-vs2.3.7.3/fs/proc/stat.c
+--- linux-3.18.5/fs/proc/stat.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/stat.c 2015-01-28 11:48:02.000000000 +0000
+@@ -9,8 +9,10 @@
+ #include <linux/slab.h>
+ #include <linux/time.h>
+ #include <linux/irqnr.h>
++#include <linux/vserver/cvirt.h>
+ #include <linux/cputime.h>
+ #include <linux/tick.h>
++#include <linux/cpuset.h>
+
+ #ifndef arch_irq_stat_cpu
+ #define arch_irq_stat_cpu(cpu) 0
+@@ -87,14 +89,26 @@ static int show_stat(struct seq_file *p,
+ u64 sum_softirq = 0;
+ unsigned int per_softirq_sums[NR_SOFTIRQS] = {0};
+ struct timespec boottime;
++ cpumask_var_t cpus_allowed;
++ bool virt_cpu = vx_flags(VXF_VIRT_CPU, 0);
+
+ user = nice = system = idle = iowait =
+ irq = softirq = steal = 0;
+ guest = guest_nice = 0;
+ getboottime(&boottime);
++
++ if (vx_flags(VXF_VIRT_UPTIME, 0))
++ vx_vsi_boottime(&boottime);
++
++ if (virt_cpu)
++ cpuset_cpus_allowed(current, cpus_allowed);
++
+ jif = boottime.tv_sec;
- return 0;
-@@ -132,10 +133,10 @@ static int xqm_quotactl_valid(struct sup
- if (cmd == Q_XGETQUOTA) {
- if (((type == XQM_USRQUOTA && current->euid != id) ||
- (type == XQM_GRPQUOTA && !in_egroup_p(id))) &&
-- !capable(CAP_SYS_ADMIN))
-+ !vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
- return -EPERM;
- } else if (cmd != Q_XGETQSTAT && cmd != Q_XQUOTASYNC) {
+ for_each_possible_cpu(i) {
++ if (virt_cpu && !cpumask_test_cpu(i, cpus_allowed))
++ continue;
++
+ user += kcpustat_cpu(i).cpustat[CPUTIME_USER];
+ nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE];
+ system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
+@@ -131,6 +145,9 @@ static int show_stat(struct seq_file *p,
+ seq_putc(p, '\n');
+
+ for_each_online_cpu(i) {
++ if (virt_cpu && !cpumask_test_cpu(i, cpus_allowed))
++ continue;
++
+ /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
+ user = kcpustat_cpu(i).cpustat[CPUTIME_USER];
+ nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE];
+diff -NurpP --minimal linux-3.18.5/fs/proc/uptime.c linux-3.18.5-vs2.3.7.3/fs/proc/uptime.c
+--- linux-3.18.5/fs/proc/uptime.c 2014-06-12 13:02:46.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc/uptime.c 2015-01-19 12:41:00.000000000 +0000
+@@ -5,6 +5,7 @@
+ #include <linux/seq_file.h>
+ #include <linux/time.h>
+ #include <linux/kernel_stat.h>
++#include <linux/vserver/cvirt.h>
+ #include <linux/cputime.h>
+
+ static int uptime_proc_show(struct seq_file *m, void *v)
+@@ -24,6 +25,10 @@ static int uptime_proc_show(struct seq_f
+ nsec = cputime64_to_jiffies64(idletime) * TICK_NSEC;
+ idle.tv_sec = div_u64_rem(nsec, NSEC_PER_SEC, &rem);
+ idle.tv_nsec = rem;
++
++ if (vx_flags(VXF_VIRT_UPTIME, 0))
++ vx_vsi_uptime(&uptime, &idle);
++
+ seq_printf(m, "%lu.%02lu %lu.%02lu\n",
+ (unsigned long) uptime.tv_sec,
+ (uptime.tv_nsec / (NSEC_PER_SEC / 100)),
+diff -NurpP --minimal linux-3.18.5/fs/proc_namespace.c linux-3.18.5-vs2.3.7.3/fs/proc_namespace.c
+--- linux-3.18.5/fs/proc_namespace.c 2015-01-16 22:19:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/proc_namespace.c 2015-01-19 10:58:04.000000000 +0000
+@@ -44,6 +44,8 @@ static int show_sb_opts(struct seq_file
+ { MS_SYNCHRONOUS, ",sync" },
+ { MS_DIRSYNC, ",dirsync" },
+ { MS_MANDLOCK, ",mand" },
++ { MS_TAGGED, ",tag" },
++ { MS_NOTAGCHECK, ",notagcheck" },
+ { 0, NULL }
+ };
+ const struct proc_fs_info *fs_infop;
+@@ -80,6 +82,38 @@ static inline void mangle(struct seq_fil
+ seq_escape(m, s, " \t\n\\");
+ }
+
++#ifdef CONFIG_VSERVER_EXTRA_MNT_CHECK
++
++static int mnt_is_reachable(struct vfsmount *vfsmnt)
++{
++ struct path root;
++ struct dentry *point;
++ struct mount *mnt = real_mount(vfsmnt);
++ struct mount *root_mnt;
++ int ret;
++
++ if (mnt == mnt->mnt_ns->root)
++ return 1;
++
++ rcu_read_lock();
++ root = current->fs->root;
++ root_mnt = real_mount(root.mnt);
++ point = root.dentry;
++
++ while ((mnt != mnt->mnt_parent) && (mnt != root_mnt)) {
++ point = mnt->mnt_mountpoint;
++ mnt = mnt->mnt_parent;
++ }
++ rcu_read_unlock();
++
++ ret = (mnt == root_mnt) && is_subdir(point, root.dentry);
++ return ret;
++}
++
++#else
++#define mnt_is_reachable(v) (1)
++#endif
++
+ static void show_type(struct seq_file *m, struct super_block *sb)
+ {
+ mangle(m, sb->s_type->name);
+@@ -96,6 +130,17 @@ static int show_vfsmnt(struct seq_file *
+ struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
+ struct super_block *sb = mnt_path.dentry->d_sb;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
++ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
++ mnt == current->fs->root.mnt) {
++ seq_puts(m, "/dev/root / ");
++ goto type;
++ }
++
+ if (sb->s_op->show_devname) {
+ err = sb->s_op->show_devname(m, mnt_path.dentry);
+ if (err)
+@@ -106,6 +151,7 @@ static int show_vfsmnt(struct seq_file *
+ seq_putc(m, ' ');
+ seq_path(m, &mnt_path, " \t\n\\");
+ seq_putc(m, ' ');
++type:
+ show_type(m, sb);
+ seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw");
+ err = show_sb_opts(m, sb);
+@@ -128,6 +174,11 @@ static int show_mountinfo(struct seq_fil
+ struct path root = p->root;
+ int err = 0;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
+ seq_printf(m, "%i %i %u:%u ", r->mnt_id, r->mnt_parent->mnt_id,
+ MAJOR(sb->s_dev), MINOR(sb->s_dev));
+ if (sb->s_op->show_path)
+@@ -187,6 +238,17 @@ static int show_vfsstat(struct seq_file
+ struct super_block *sb = mnt_path.dentry->d_sb;
+ int err = 0;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
++ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
++ mnt == current->fs->root.mnt) {
++ seq_puts(m, "device /dev/root mounted on / ");
++ goto type;
++ }
++
+ /* device */
+ if (sb->s_op->show_devname) {
+ seq_puts(m, "device ");
+@@ -203,7 +265,7 @@ static int show_vfsstat(struct seq_file
+ seq_puts(m, " mounted on ");
+ seq_path(m, &mnt_path, " \t\n\\");
+ seq_putc(m, ' ');
+-
++type:
+ /* file system type */
+ seq_puts(m, "with fstype ");
+ show_type(m, sb);
+diff -NurpP --minimal linux-3.18.5/fs/quota/dquot.c linux-3.18.5-vs2.3.7.3/fs/quota/dquot.c
+--- linux-3.18.5/fs/quota/dquot.c 2015-01-17 02:40:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/quota/dquot.c 2015-01-19 23:44:31.000000000 +0000
+@@ -1598,6 +1598,12 @@ int __dquot_alloc_space(struct inode *in
+ struct dquot **dquots = inode->i_dquot;
+ int reserve = flags & DQUOT_SPACE_RESERVE;
+
++ if ((ret = dl_alloc_inode(inode)))
++ return ret;
++
++ if ((ret = dl_alloc_space(inode, number)))
++ return ret;
++
+ if (!dquot_active(inode)) {
+ inode_incr_space(inode, number, reserve);
+ goto out;
+@@ -1649,6 +1655,9 @@ int dquot_alloc_inode(const struct inode
+ struct dquot_warn warn[MAXQUOTAS];
+ struct dquot * const *dquots = inode->i_dquot;
+
++ if ((ret = dl_alloc_inode(inode)))
++ return ret;
++
+ if (!dquot_active(inode))
+ return 0;
+ for (cnt = 0; cnt < MAXQUOTAS; cnt++)
+@@ -1748,6 +1757,8 @@ void __dquot_free_space(struct inode *in
+ struct dquot **dquots = inode->i_dquot;
+ int reserve = flags & DQUOT_SPACE_RESERVE, index;
+
++ dl_free_space(inode, number);
++
+ if (!dquot_active(inode)) {
+ inode_decr_space(inode, number, reserve);
+ return;
+@@ -1791,6 +1802,8 @@ void dquot_free_inode(const struct inode
+ struct dquot * const *dquots = inode->i_dquot;
+ int index;
+
++ dl_free_inode(inode);
++
+ if (!dquot_active(inode))
+ return;
+
+diff -NurpP --minimal linux-3.18.5/fs/quota/quota.c linux-3.18.5-vs2.3.7.3/fs/quota/quota.c
+--- linux-3.18.5/fs/quota/quota.c 2015-01-16 22:19:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/quota/quota.c 2015-01-19 10:58:04.000000000 +0000
+@@ -8,6 +8,7 @@
+ #include <linux/fs.h>
+ #include <linux/namei.h>
+ #include <linux/slab.h>
++#include <linux/vs_context.h>
+ #include <asm/current.h>
+ #include <linux/uaccess.h>
+ #include <linux/kernel.h>
+@@ -38,7 +39,7 @@ static int check_quotactl_permission(str
+ break;
+ /*FALLTHROUGH*/
+ default:
- if (!capable(CAP_SYS_ADMIN))
+ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
return -EPERM;
}
-@@ -334,6 +335,46 @@ static int do_quotactl(struct super_bloc
- return 0;
- }
+@@ -350,6 +351,46 @@ static int do_quotactl(struct super_bloc
+
+ #ifdef CONFIG_BLOCK
+#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE)
+
+
+static vroot_grb_func *vroot_get_real_bdev = NULL;
+
-+static spinlock_t vroot_grb_lock = SPIN_LOCK_UNLOCKED;
++static DEFINE_SPINLOCK(vroot_grb_lock);
+
+int register_vroot_grb(vroot_grb_func *func) {
+ int ret = -EBUSY;
+
+#endif
+
- /*
- * look up a superblock on which quota ops will be performed
- * - use the name of a block device to find the superblock thereon
-@@ -351,6 +392,22 @@ static inline struct super_block *quotac
+ /* Return 1 if 'cmd' will block on frozen filesystem */
+ static int quotactl_cmd_write(int cmd)
+ {
+@@ -385,6 +426,22 @@ static struct super_block *quotactl_bloc
putname(tmp);
if (IS_ERR(bdev))
return ERR_CAST(bdev);
+#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE)
+ if (bdev && bdev->bd_inode &&
-+ imajor(bdev->bd_inode) == VROOT_MAJOR) {
++ imajor(bdev->bd_inode) == VROOT_MAJOR) {
+ struct block_device *bdnew = (void *)-EINVAL;
+
+ if (vroot_get_real_bdev)
+ bdev = bdnew;
+ }
+#endif
- sb = get_super(bdev);
- bdput(bdev);
- if (!sb)
-diff -NurpP --minimal linux-2.6.27.33/fs/reiserfs/bitmap.c linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/bitmap.c
---- linux-2.6.27.33/fs/reiserfs/bitmap.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/bitmap.c 2008-10-13 14:54:20.000000000 +0200
-@@ -13,6 +13,7 @@
- #include <linux/reiserfs_fs_sb.h>
- #include <linux/reiserfs_fs_i.h>
- #include <linux/quotaops.h>
+ if (quotactl_cmd_write(cmd))
+ sb = get_super_thawed(bdev);
+ else
+diff -NurpP --minimal linux-3.18.5/fs/stat.c linux-3.18.5-vs2.3.7.3/fs/stat.c
+--- linux-3.18.5/fs/stat.c 2014-01-22 20:39:07.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/stat.c 2015-01-19 10:58:04.000000000 +0000
+@@ -26,6 +26,7 @@ void generic_fillattr(struct inode *inod
+ stat->nlink = inode->i_nlink;
+ stat->uid = inode->i_uid;
+ stat->gid = inode->i_gid;
++ stat->tag = inode->i_tag;
+ stat->rdev = inode->i_rdev;
+ stat->size = i_size_read(inode);
+ stat->atime = inode->i_atime;
+diff -NurpP --minimal linux-3.18.5/fs/statfs.c linux-3.18.5-vs2.3.7.3/fs/statfs.c
+--- linux-3.18.5/fs/statfs.c 2013-11-25 15:47:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/statfs.c 2015-01-19 10:58:04.000000000 +0000
+@@ -7,6 +7,8 @@
+ #include <linux/statfs.h>
+ #include <linux/security.h>
+ #include <linux/uaccess.h>
++#include <linux/vs_base.h>
+#include <linux/vs_dlimit.h>
+ #include "internal.h"
- #define PREALLOCATION_SIZE 9
-
-@@ -429,8 +430,10 @@ static void _reiserfs_free_block(struct
- set_sb_free_blocks(rs, sb_free_blocks(rs) + 1);
-
- journal_mark_dirty(th, s, sbh);
-- if (for_unformatted)
-+ if (for_unformatted) {
-+ DLIMIT_FREE_BLOCK(inode, 1);
- DQUOT_FREE_BLOCK_NODIRTY(inode, 1);
-+ }
+ static int flags_by_mnt(int mnt_flags)
+@@ -60,6 +62,8 @@ static int statfs_by_dentry(struct dentr
+ retval = dentry->d_sb->s_op->statfs(dentry, buf);
+ if (retval == 0 && buf->f_frsize == 0)
+ buf->f_frsize = buf->f_bsize;
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ vx_vsi_statfs(dentry->d_sb, buf);
+ return retval;
}
- void reiserfs_free_block(struct reiserfs_transaction_handle *th,
-@@ -1045,6 +1048,7 @@ static inline int blocknrs_and_prealloc_
- b_blocknr_t finish = SB_BLOCK_COUNT(s) - 1;
- int passno = 0;
- int nr_allocated = 0;
-+ int blocks;
-
- determine_prealloc_size(hint);
- if (!hint->formatted_node) {
-@@ -1054,19 +1058,30 @@ static inline int blocknrs_and_prealloc_
- "reiserquota: allocating %d blocks id=%u",
- amount_needed, hint->inode->i_uid);
- #endif
-- quota_ret =
-- DQUOT_ALLOC_BLOCK_NODIRTY(hint->inode, amount_needed);
-- if (quota_ret) /* Quota exceeded? */
-+ quota_ret = DQUOT_ALLOC_BLOCK_NODIRTY(hint->inode,
-+ amount_needed);
-+ if (quota_ret)
- return QUOTA_EXCEEDED;
-+ if (DLIMIT_ALLOC_BLOCK(hint->inode, amount_needed)) {
-+ DQUOT_FREE_BLOCK_NODIRTY(hint->inode,
-+ amount_needed);
-+ return NO_DISK_SPACE;
-+ }
-+
- if (hint->preallocate && hint->prealloc_size) {
- #ifdef REISERQUOTA_DEBUG
- reiserfs_debug(s, REISERFS_DEBUG_CODE,
- "reiserquota: allocating (prealloc) %d blocks id=%u",
- hint->prealloc_size, hint->inode->i_uid);
- #endif
-- quota_ret =
-- DQUOT_PREALLOC_BLOCK_NODIRTY(hint->inode,
-- hint->prealloc_size);
-+ quota_ret = DQUOT_PREALLOC_BLOCK_NODIRTY(hint->inode,
-+ hint->prealloc_size);
-+ if (!quota_ret &&
-+ DLIMIT_ALLOC_BLOCK(hint->inode, hint->prealloc_size)) {
-+ DQUOT_FREE_BLOCK_NODIRTY(hint->inode,
-+ hint->prealloc_size);
-+ quota_ret = 1;
-+ }
- if (quota_ret)
- hint->preallocate = hint->prealloc_size = 0;
- }
-@@ -1098,7 +1113,10 @@ static inline int blocknrs_and_prealloc_
- nr_allocated,
- hint->inode->i_uid);
- #endif
-- DQUOT_FREE_BLOCK_NODIRTY(hint->inode, amount_needed + hint->prealloc_size - nr_allocated); /* Free not allocated blocks */
-+ /* Free not allocated blocks */
-+ blocks = amount_needed + hint->prealloc_size - nr_allocated;
-+ DLIMIT_FREE_BLOCK(hint->inode, blocks);
-+ DQUOT_FREE_BLOCK_NODIRTY(hint->inode, blocks);
- }
- while (nr_allocated--)
- reiserfs_free_block(hint->th, hint->inode,
-@@ -1129,10 +1147,10 @@ static inline int blocknrs_and_prealloc_
- REISERFS_I(hint->inode)->i_prealloc_count,
- hint->inode->i_uid);
- #endif
-- DQUOT_FREE_BLOCK_NODIRTY(hint->inode, amount_needed +
-- hint->prealloc_size - nr_allocated -
-- REISERFS_I(hint->inode)->
-- i_prealloc_count);
-+ blocks = amount_needed + hint->prealloc_size - nr_allocated -
-+ REISERFS_I(hint->inode)->i_prealloc_count;
-+ DLIMIT_FREE_BLOCK(hint->inode, blocks);
-+ DQUOT_FREE_BLOCK_NODIRTY(hint->inode, blocks);
- }
-
- return CARRY_ON;
-diff -NurpP --minimal linux-2.6.27.33/fs/reiserfs/file.c linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/file.c
---- linux-2.6.27.33/fs/reiserfs/file.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/file.c 2008-10-13 14:54:20.000000000 +0200
-@@ -306,4 +306,5 @@ const struct inode_operations reiserfs_f
- .listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
- .permission = reiserfs_permission,
-+ .sync_flags = reiserfs_sync_flags,
- };
-diff -NurpP --minimal linux-2.6.27.33/fs/reiserfs/inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/inode.c
---- linux-2.6.27.33/fs/reiserfs/inode.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/inode.c 2009-02-03 17:59:04.000000000 +0100
-@@ -18,6 +18,8 @@
- #include <linux/writeback.h>
- #include <linux/quotaops.h>
- #include <linux/swap.h>
-+#include <linux/vs_dlimit.h>
-+#include <linux/vs_tag.h>
+diff -NurpP --minimal linux-3.18.5/fs/super.c linux-3.18.5-vs2.3.7.3/fs/super.c
+--- linux-3.18.5/fs/super.c 2015-01-17 02:40:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/super.c 2015-01-19 10:58:04.000000000 +0000
+@@ -33,6 +33,8 @@
+ #include <linux/cleancache.h>
+ #include <linux/fsnotify.h>
+ #include <linux/lockdep.h>
++#include <linux/magic.h>
++#include <linux/vs_context.h>
+ #include "internal.h"
- int reiserfs_commit_write(struct file *f, struct page *page,
- unsigned from, unsigned to);
-@@ -54,6 +56,7 @@ void reiserfs_delete_inode(struct inode
- * stat data deletion */
- if (!err)
- DQUOT_FREE_INODE(inode);
-+ DLIMIT_FREE_INODE(inode);
- if (journal_end(&th, inode->i_sb, jbegin_count))
- goto out;
-@@ -1116,6 +1119,8 @@ static void init_inode(struct inode *ino
- struct buffer_head *bh;
- struct item_head *ih;
- __u32 rdev;
-+ uid_t uid;
-+ gid_t gid;
- //int version = ITEM_VERSION_1;
-
- bh = PATH_PLAST_BUFFER(path);
-@@ -1139,12 +1144,13 @@ static void init_inode(struct inode *ino
- (struct stat_data_v1 *)B_I_PITEM(bh, ih);
- unsigned long blocks;
-
-+ uid = sd_v1_uid(sd);
-+ gid = sd_v1_gid(sd);
-+
- set_inode_item_key_version(inode, KEY_FORMAT_3_5);
- set_inode_sd_version(inode, STAT_DATA_V1);
- inode->i_mode = sd_v1_mode(sd);
- inode->i_nlink = sd_v1_nlink(sd);
-- inode->i_uid = sd_v1_uid(sd);
-- inode->i_gid = sd_v1_gid(sd);
- inode->i_size = sd_v1_size(sd);
- inode->i_atime.tv_sec = sd_v1_atime(sd);
- inode->i_mtime.tv_sec = sd_v1_mtime(sd);
-@@ -1186,11 +1192,12 @@ static void init_inode(struct inode *ino
- // (directories and symlinks)
- struct stat_data *sd = (struct stat_data *)B_I_PITEM(bh, ih);
-
-+ uid = sd_v2_uid(sd);
-+ gid = sd_v2_gid(sd);
-+
- inode->i_mode = sd_v2_mode(sd);
- inode->i_nlink = sd_v2_nlink(sd);
-- inode->i_uid = sd_v2_uid(sd);
- inode->i_size = sd_v2_size(sd);
-- inode->i_gid = sd_v2_gid(sd);
- inode->i_mtime.tv_sec = sd_v2_mtime(sd);
- inode->i_atime.tv_sec = sd_v2_atime(sd);
- inode->i_ctime.tv_sec = sd_v2_ctime(sd);
-@@ -1220,6 +1227,10 @@ static void init_inode(struct inode *ino
- sd_attrs_to_i_attrs(sd_v2_attrs(sd), inode);
- }
+@@ -1114,6 +1116,13 @@ mount_fs(struct file_system_type *type,
+ WARN_ON(sb->s_bdi == &default_backing_dev_info);
+ sb->s_flags |= MS_BORN;
-+ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
-+ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
-+ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid, 0);
++ error = -EPERM;
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT) &&
++ !sb->s_bdev &&
++ (sb->s_magic != PROC_SUPER_MAGIC) &&
++ (sb->s_magic != DEVPTS_SUPER_MAGIC))
++ goto out_sb;
+
- pathrelse(path);
- if (S_ISREG(inode->i_mode)) {
- inode->i_op = &reiserfs_file_inode_operations;
-@@ -1242,13 +1253,15 @@ static void init_inode(struct inode *ino
- static void inode2sd(void *sd, struct inode *inode, loff_t size)
- {
- struct stat_data *sd_v2 = (struct stat_data *)sd;
-+ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
-+ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
- __u16 flags;
-
-+ set_sd_v2_uid(sd_v2, uid);
-+ set_sd_v2_gid(sd_v2, gid);
- set_sd_v2_mode(sd_v2, inode->i_mode);
- set_sd_v2_nlink(sd_v2, inode->i_nlink);
-- set_sd_v2_uid(sd_v2, inode->i_uid);
- set_sd_v2_size(sd_v2, size);
-- set_sd_v2_gid(sd_v2, inode->i_gid);
- set_sd_v2_mtime(sd_v2, inode->i_mtime.tv_sec);
- set_sd_v2_atime(sd_v2, inode->i_atime.tv_sec);
- set_sd_v2_ctime(sd_v2, inode->i_ctime.tv_sec);
-@@ -1771,6 +1784,10 @@ int reiserfs_new_inode(struct reiserfs_t
-
- BUG_ON(!th->t_trans_id);
-
-+ if (DLIMIT_ALLOC_INODE(inode)) {
-+ err = -ENOSPC;
-+ goto out_bad_dlimit;
-+ }
- if (DQUOT_ALLOC_INODE(inode)) {
- err = -EDQUOT;
- goto out_end_trans;
-@@ -1956,6 +1973,9 @@ int reiserfs_new_inode(struct reiserfs_t
- DQUOT_FREE_INODE(inode);
-
- out_end_trans:
-+ DLIMIT_FREE_INODE(inode);
-+
-+ out_bad_dlimit:
- journal_end(th, th->t_super, th->t_blocks_allocated);
- /* Drop can be outside and it needs more credits so it's better to have it outside */
- DQUOT_DROP(inode);
-@@ -2842,14 +2862,19 @@ int reiserfs_commit_write(struct file *f
- void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode)
+ error = security_sb_kern_mount(sb, flags, secdata);
+ if (error)
+ goto out_sb;
+diff -NurpP --minimal linux-3.18.5/fs/utimes.c linux-3.18.5-vs2.3.7.3/fs/utimes.c
+--- linux-3.18.5/fs/utimes.c 2014-01-22 20:39:07.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/utimes.c 2015-01-19 10:58:04.000000000 +0000
+@@ -8,6 +8,8 @@
+ #include <linux/stat.h>
+ #include <linux/utime.h>
+ #include <linux/syscalls.h>
++#include <linux/mount.h>
++#include <linux/vs_cowbl.h>
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+
+@@ -52,13 +54,19 @@ static int utimes_common(struct path *pa
{
- if (reiserfs_attrs(inode->i_sb)) {
-- if (sd_attrs & REISERFS_SYNC_FL)
-- inode->i_flags |= S_SYNC;
-- else
-- inode->i_flags &= ~S_SYNC;
- if (sd_attrs & REISERFS_IMMUTABLE_FL)
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
-+ if (sd_attrs & REISERFS_IXUNLINK_FL)
-+ inode->i_flags |= S_IXUNLINK;
-+ else
-+ inode->i_flags &= ~S_IXUNLINK;
-+
-+ if (sd_attrs & REISERFS_SYNC_FL)
-+ inode->i_flags |= S_SYNC;
-+ else
-+ inode->i_flags &= ~S_SYNC;
- if (sd_attrs & REISERFS_APPEND_FL)
- inode->i_flags |= S_APPEND;
- else
-@@ -2862,6 +2887,15 @@ void sd_attrs_to_i_attrs(__u16 sd_attrs,
- REISERFS_I(inode)->i_flags |= i_nopack_mask;
- else
- REISERFS_I(inode)->i_flags &= ~i_nopack_mask;
+ int error;
+ struct iattr newattrs;
+- struct inode *inode = path->dentry->d_inode;
+ struct inode *delegated_inode = NULL;
++ struct inode *inode;
+
-+ if (sd_attrs & REISERFS_BARRIER_FL)
-+ inode->i_vflags |= V_BARRIER;
-+ else
-+ inode->i_vflags &= ~V_BARRIER;
-+ if (sd_attrs & REISERFS_COW_FL)
-+ inode->i_vflags |= V_COW;
-+ else
-+ inode->i_vflags &= ~V_COW;
- }
- }
++ error = cow_check_and_break(path);
++ if (error)
++ goto out;
-@@ -2872,6 +2906,11 @@ void i_attrs_to_sd_attrs(struct inode *i
- *sd_attrs |= REISERFS_IMMUTABLE_FL;
- else
- *sd_attrs &= ~REISERFS_IMMUTABLE_FL;
-+ if (inode->i_flags & S_IXUNLINK)
-+ *sd_attrs |= REISERFS_IXUNLINK_FL;
-+ else
-+ *sd_attrs &= ~REISERFS_IXUNLINK_FL;
-+
- if (inode->i_flags & S_SYNC)
- *sd_attrs |= REISERFS_SYNC_FL;
- else
-@@ -2884,6 +2923,15 @@ void i_attrs_to_sd_attrs(struct inode *i
- *sd_attrs |= REISERFS_NOTAIL_FL;
- else
- *sd_attrs &= ~REISERFS_NOTAIL_FL;
+ error = mnt_want_write(path->mnt);
+ if (error)
+ goto out;
+
++ inode = path->dentry->d_inode;
+
-+ if (inode->i_vflags & V_BARRIER)
-+ *sd_attrs |= REISERFS_BARRIER_FL;
-+ else
-+ *sd_attrs &= ~REISERFS_BARRIER_FL;
-+ if (inode->i_vflags & V_COW)
-+ *sd_attrs |= REISERFS_COW_FL;
-+ else
-+ *sd_attrs &= ~REISERFS_COW_FL;
- }
- }
+ if (times && times[0].tv_nsec == UTIME_NOW &&
+ times[1].tv_nsec == UTIME_NOW)
+ times = NULL;
+diff -NurpP --minimal linux-3.18.5/fs/xattr.c linux-3.18.5-vs2.3.7.3/fs/xattr.c
+--- linux-3.18.5/fs/xattr.c 2015-01-17 02:40:20.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/fs/xattr.c 2015-01-19 10:58:04.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/audit.h>
+ #include <linux/vmalloc.h>
+ #include <linux/posix_acl_xattr.h>
++#include <linux/mount.h>
+
+ #include <asm/uaccess.h>
-@@ -3051,6 +3099,22 @@ static ssize_t reiserfs_direct_IO(int rw
- reiserfs_get_blocks_direct_io, NULL);
+@@ -52,7 +53,7 @@ xattr_permission(struct inode *inode, co
+ * The trusted.* namespace can only be accessed by privileged users.
+ */
+ if (!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN)) {
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_FS_TRUSTED))
+ return (mask & MAY_WRITE) ? -EPERM : -ENODATA;
+ return 0;
+ }
+diff -NurpP --minimal linux-3.18.5/include/linux/capability.h linux-3.18.5-vs2.3.7.3/include/linux/capability.h
+--- linux-3.18.5/include/linux/capability.h 2015-01-16 22:19:21.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/capability.h 2015-01-19 10:58:04.000000000 +0000
+@@ -79,7 +79,8 @@ extern const kernel_cap_t __cap_init_eff
+ #else /* HAND-CODED capability initializers */
+
+ #define CAP_LAST_U32 ((_KERNEL_CAPABILITY_U32S) - 1)
+-#define CAP_LAST_U32_VALID_MASK (CAP_TO_MASK(CAP_LAST_CAP + 1) -1)
++#define CAP_LAST_U32_VALID_MASK ((CAP_TO_MASK(CAP_LAST_CAP + 1) -1) \
++ | CAP_TO_MASK(CAP_CONTEXT))
+
+ # define CAP_EMPTY_SET ((kernel_cap_t){{ 0, 0 }})
+ # define CAP_FULL_SET ((kernel_cap_t){{ ~0, CAP_LAST_U32_VALID_MASK }})
+diff -NurpP --minimal linux-3.18.5/include/linux/cred.h linux-3.18.5-vs2.3.7.3/include/linux/cred.h
+--- linux-3.18.5/include/linux/cred.h 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/cred.h 2015-01-19 10:58:04.000000000 +0000
+@@ -144,6 +144,7 @@ extern void exit_creds(struct task_struc
+ extern int copy_creds(struct task_struct *, unsigned long);
+ extern const struct cred *get_task_cred(struct task_struct *);
+ extern struct cred *cred_alloc_blank(void);
++extern struct cred *__prepare_creds(const struct cred *);
+ extern struct cred *prepare_creds(void);
+ extern struct cred *prepare_exec_creds(void);
+ extern int commit_creds(struct cred *);
+@@ -197,6 +198,31 @@ static inline void validate_process_cred
}
+ #endif
-+int reiserfs_sync_flags(struct inode *inode)
++static inline void set_cred_subscribers(struct cred *cred, int n)
+{
-+ u16 oldflags, newflags;
-+
-+ oldflags = REISERFS_I(inode)->i_attrs;
-+ newflags = oldflags;
-+ i_attrs_to_sd_attrs(inode, &newflags);
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ atomic_set(&cred->subscribers, n);
++#endif
++}
+
-+ if (oldflags ^ newflags) {
-+ REISERFS_I(inode)->i_attrs = newflags;
-+ inode->i_ctime = CURRENT_TIME_SEC;
-+ mark_inode_dirty(inode);
-+ }
++static inline int read_cred_subscribers(const struct cred *cred)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ return atomic_read(&cred->subscribers);
++#else
+ return 0;
++#endif
+}
+
- int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
- {
- struct inode *inode = dentry->d_inode;
-@@ -3104,9 +3168,11 @@ int reiserfs_setattr(struct dentry *dent
- }
-
- error = inode_change_ok(inode, attr);
++static inline void alter_cred_subscribers(const struct cred *_cred, int n)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ struct cred *cred = (struct cred *) _cred;
+
- if (!error) {
- if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
-- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
-+ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) ||
-+ (ia_valid & ATTR_TAG && attr->ia_tag != inode->i_tag)) {
- error = reiserfs_chown_xattrs(inode, attr);
-
- if (!error) {
-@@ -3136,6 +3202,9 @@ int reiserfs_setattr(struct dentry *dent
- inode->i_uid = attr->ia_uid;
- if (attr->ia_valid & ATTR_GID)
- inode->i_gid = attr->ia_gid;
-+ if ((attr->ia_valid & ATTR_TAG) &&
-+ IS_TAGGED(inode))
-+ inode->i_tag = attr->ia_tag;
- mark_inode_dirty(inode);
- error =
- journal_end(&th, inode->i_sb, jbegin_count);
-diff -NurpP --minimal linux-2.6.27.33/fs/reiserfs/ioctl.c linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/ioctl.c
---- linux-2.6.27.33/fs/reiserfs/ioctl.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/ioctl.c 2008-10-13 14:54:20.000000000 +0200
-@@ -7,6 +7,7 @@
- #include <linux/mount.h>
- #include <linux/reiserfs_fs.h>
- #include <linux/time.h>
-+#include <linux/mount.h>
- #include <asm/uaccess.h>
- #include <linux/pagemap.h>
- #include <linux/smp_lock.h>
-@@ -23,7 +24,7 @@
- int reiserfs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
- {
-- unsigned int flags;
-+ unsigned int flags, oldflags;
- int err = 0;
-
- switch (cmd) {
-@@ -43,6 +44,7 @@ int reiserfs_ioctl(struct inode *inode,
-
- flags = REISERFS_I(inode)->i_attrs;
- i_attrs_to_sd_attrs(inode, (__u16 *) & flags);
-+ flags &= REISERFS_FL_USER_VISIBLE;
- return put_user(flags, (int __user *)arg);
- case REISERFS_IOC_SETFLAGS:{
- if (!reiserfs_attrs(inode->i_sb))
-@@ -60,6 +62,10 @@ int reiserfs_ioctl(struct inode *inode,
- err = -EFAULT;
- goto setflags_out;
- }
-+ if (IS_BARRIER(inode)) {
-+ vxwprintk_task(1, "messing with the barrier.");
-+ return -EACCES;
-+ }
- /*
- * Is it quota file? Do not allow user to mess with it
- */
-@@ -84,6 +90,10 @@ int reiserfs_ioctl(struct inode *inode,
- goto setflags_out;
- }
- }
++ atomic_add(n, &cred->subscribers);
++#endif
++}
+
-+ oldflags = REISERFS_I(inode)->i_attrs;
-+ flags = flags & REISERFS_FL_USER_MODIFIABLE;
-+ flags |= oldflags & ~REISERFS_FL_USER_MODIFIABLE;
- sd_attrs_to_i_attrs(flags, inode);
- REISERFS_I(inode)->i_attrs = flags;
- inode->i_ctime = CURRENT_TIME_SEC;
-diff -NurpP --minimal linux-2.6.27.33/fs/reiserfs/namei.c linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/namei.c
---- linux-2.6.27.33/fs/reiserfs/namei.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/namei.c 2008-10-13 14:54:20.000000000 +0200
-@@ -17,6 +17,7 @@
- #include <linux/reiserfs_acl.h>
- #include <linux/reiserfs_xattr.h>
- #include <linux/quotaops.h>
-+#include <linux/vs_tag.h>
+ /**
+ * get_new_cred - Get a reference on a new set of credentials
+ * @cred: The new credentials to reference
+diff -NurpP --minimal linux-3.18.5/include/linux/devpts_fs.h linux-3.18.5-vs2.3.7.3/include/linux/devpts_fs.h
+--- linux-3.18.5/include/linux/devpts_fs.h 2013-02-19 13:58:50.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/devpts_fs.h 2015-01-19 10:58:04.000000000 +0000
+@@ -45,5 +45,4 @@ static inline void devpts_pty_kill(struc
- #define INC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) { inc_nlink(i); if (i->i_nlink >= REISERFS_LINK_MAX) i->i_nlink=1; }
- #define DEC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) drop_nlink(i);
-@@ -360,6 +361,7 @@ static struct dentry *reiserfs_lookup(st
- reiserfs_write_unlock(dir->i_sb);
- return ERR_PTR(-EACCES);
- }
-+ dx_propagate_tag(nd, inode);
+ #endif
- /* Propogate the priv_object flag so we know we're in the priv tree */
- if (is_reiserfs_priv_object(dir))
-@@ -595,6 +597,7 @@ static int new_inode_init(struct inode *
- } else {
- inode->i_gid = current->fsgid;
- }
-+ inode->i_tag = dx_current_fstag(inode->i_sb);
- DQUOT_INIT(inode);
- return 0;
- }
-@@ -1541,6 +1544,7 @@ const struct inode_operations reiserfs_d
- .listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
- .permission = reiserfs_permission,
-+ .sync_flags = reiserfs_sync_flags,
- };
+-
+ #endif /* _LINUX_DEVPTS_FS_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/fs.h linux-3.18.5-vs2.3.7.3/include/linux/fs.h
+--- linux-3.18.5/include/linux/fs.h 2015-01-17 02:40:21.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/fs.h 2015-01-19 10:58:04.000000000 +0000
+@@ -221,6 +221,7 @@ typedef void (dio_iodone_t)(struct kiocb
+ #define ATTR_KILL_PRIV (1 << 14)
+ #define ATTR_OPEN (1 << 15) /* Truncating from open(O_TRUNC) */
+ #define ATTR_TIMES_SET (1 << 16)
++#define ATTR_TAG (1 << 17)
/*
-@@ -1557,6 +1561,7 @@ const struct inode_operations reiserfs_s
- .listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
- .permission = reiserfs_permission,
-+ .sync_flags = reiserfs_sync_flags,
-
- };
-
-@@ -1570,5 +1575,6 @@ const struct inode_operations reiserfs_s
- .listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
- .permission = reiserfs_permission,
-+ .sync_flags = reiserfs_sync_flags,
-
- };
-diff -NurpP --minimal linux-2.6.27.33/fs/reiserfs/stree.c linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/stree.c
---- linux-2.6.27.33/fs/reiserfs/stree.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/stree.c 2008-10-13 14:54:20.000000000 +0200
-@@ -55,6 +55,7 @@
- #include <linux/reiserfs_fs.h>
- #include <linux/buffer_head.h>
- #include <linux/quotaops.h>
-+#include <linux/vs_dlimit.h>
-
- /* Does the buffer contain a disk block which is in the tree. */
- inline int B_IS_IN_TREE(const struct buffer_head *p_s_bh)
-@@ -1297,6 +1298,7 @@ int reiserfs_delete_item(struct reiserfs
- "reiserquota delete_item(): freeing %u, id=%u type=%c",
- quota_cut_bytes, p_s_inode->i_uid, head2type(&s_ih));
- #endif
-+ DLIMIT_FREE_SPACE(p_s_inode, quota_cut_bytes);
- DQUOT_FREE_SPACE_NODIRTY(p_s_inode, quota_cut_bytes);
+ * Whiteout is represented by a char device. The following constants define the
+@@ -243,6 +244,7 @@ struct iattr {
+ umode_t ia_mode;
+ kuid_t ia_uid;
+ kgid_t ia_gid;
++ ktag_t ia_tag;
+ loff_t ia_size;
+ struct timespec ia_atime;
+ struct timespec ia_mtime;
+@@ -540,7 +542,9 @@ struct inode {
+ unsigned short i_opflags;
+ kuid_t i_uid;
+ kgid_t i_gid;
+- unsigned int i_flags;
++ ktag_t i_tag;
++ unsigned short i_flags;
++ unsigned short i_vflags;
- /* Return deleted body length */
-@@ -1385,6 +1387,7 @@ void reiserfs_delete_solid_item(struct r
- #endif
- DQUOT_FREE_SPACE_NODIRTY(inode,
- quota_cut_bytes);
-+ DLIMIT_FREE_SPACE(inode, quota_cut_bytes);
- }
- break;
- }
-@@ -1734,6 +1737,7 @@ int reiserfs_cut_from_item(struct reiser
- "reiserquota cut_from_item(): freeing %u id=%u type=%c",
- quota_cut_bytes, p_s_inode->i_uid, '?');
- #endif
-+ DLIMIT_FREE_SPACE(p_s_inode, quota_cut_bytes);
- DQUOT_FREE_SPACE_NODIRTY(p_s_inode, quota_cut_bytes);
- return n_ret_value;
- }
-@@ -1975,6 +1979,11 @@ int reiserfs_paste_into_item(struct reis
- pathrelse(p_s_search_path);
- return -EDQUOT;
- }
-+ if (DLIMIT_ALLOC_SPACE(inode, n_pasted_size)) {
-+ DQUOT_FREE_SPACE_NODIRTY(inode, n_pasted_size);
-+ pathrelse(p_s_search_path);
-+ return -ENOSPC;
-+ }
- init_tb_struct(th, &s_paste_balance, th->t_super, p_s_search_path,
- n_pasted_size);
- #ifdef DISPLACE_NEW_PACKING_LOCALITIES
-@@ -2027,6 +2036,7 @@ int reiserfs_paste_into_item(struct reis
- n_pasted_size, inode->i_uid,
- key2type(&(p_s_key->on_disk_key)));
- #endif
-+ DLIMIT_FREE_SPACE(inode, n_pasted_size);
- DQUOT_FREE_SPACE_NODIRTY(inode, n_pasted_size);
- return retval;
+ #ifdef CONFIG_FS_POSIX_ACL
+ struct posix_acl *i_acl;
+@@ -569,6 +573,7 @@ struct inode {
+ unsigned int __i_nlink;
+ };
+ dev_t i_rdev;
++ dev_t i_mdev;
+ loff_t i_size;
+ struct timespec i_atime;
+ struct timespec i_mtime;
+@@ -730,6 +735,11 @@ static inline gid_t i_gid_read(const str
+ return from_kgid(&init_user_ns, inode->i_gid);
}
-@@ -2064,6 +2074,11 @@ int reiserfs_insert_item(struct reiserfs
- pathrelse(p_s_path);
- return -EDQUOT;
- }
-+ if (DLIMIT_ALLOC_SPACE(inode, quota_bytes)) {
-+ DQUOT_FREE_SPACE_NODIRTY(inode, quota_bytes);
-+ pathrelse(p_s_path);
-+ return -ENOSPC;
-+ }
- }
- init_tb_struct(th, &s_ins_balance, th->t_super, p_s_path,
- IH_SIZE + ih_item_len(p_s_ih));
-@@ -2111,7 +2126,9 @@ int reiserfs_insert_item(struct reiserfs
- "reiserquota insert_item(): freeing %u id=%u type=%c",
- quota_bytes, inode->i_uid, head2type(p_s_ih));
- #endif
-- if (inode)
-+ if (inode) {
-+ DLIMIT_FREE_SPACE(inode, quota_bytes);
- DQUOT_FREE_SPACE_NODIRTY(inode, quota_bytes);
-+ }
- return retval;
+
++static inline vtag_t i_tag_read(const struct inode *inode)
++{
++ return from_ktag(&init_user_ns, inode->i_tag);
++}
++
+ static inline void i_uid_write(struct inode *inode, uid_t uid)
+ {
+ inode->i_uid = make_kuid(&init_user_ns, uid);
+@@ -740,14 +750,19 @@ static inline void i_gid_write(struct in
+ inode->i_gid = make_kgid(&init_user_ns, gid);
}
-diff -NurpP --minimal linux-2.6.27.33/fs/reiserfs/super.c linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/super.c
---- linux-2.6.27.33/fs/reiserfs/super.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/super.c 2008-10-13 14:54:20.000000000 +0200
-@@ -898,6 +898,14 @@ static int reiserfs_parse_options(struct
- {"user_xattr",.setmask = 1 << REISERFS_UNSUPPORTED_OPT},
- {"nouser_xattr",.clrmask = 1 << REISERFS_UNSUPPORTED_OPT},
- #endif
-+#ifndef CONFIG_TAGGING_NONE
-+ {"tagxid",.setmask = 1 << REISERFS_TAGGED},
-+ {"tag",.setmask = 1 << REISERFS_TAGGED},
-+ {"notag",.clrmask = 1 << REISERFS_TAGGED},
-+#endif
-+#ifdef CONFIG_PROPAGATE
-+ {"tag",.arg_required = 'T',.values = NULL},
-+#endif
- #ifdef CONFIG_REISERFS_FS_POSIX_ACL
- {"acl",.setmask = 1 << REISERFS_POSIXACL},
- {"noacl",.clrmask = 1 << REISERFS_POSIXACL},
-@@ -1193,6 +1201,12 @@ static int reiserfs_remount(struct super
- handle_quota_files(s, qf_names, &qfmt);
- #endif
-+ if ((mount_options & (1 << REISERFS_TAGGED)) &&
-+ !(s->s_flags & MS_TAGGED)) {
-+ reiserfs_warning(s, "reiserfs: tagging not permitted on remount.");
-+ return -EINVAL;
-+ }
++static inline void i_tag_write(struct inode *inode, vtag_t tag)
++{
++ inode->i_tag = make_ktag(&init_user_ns, tag);
++}
+
- handle_attrs(s);
+ static inline unsigned iminor(const struct inode *inode)
+ {
+- return MINOR(inode->i_rdev);
++ return MINOR(inode->i_mdev);
+ }
- /* Add options that are safe here */
-@@ -1657,6 +1671,10 @@ static int reiserfs_fill_super(struct su
- goto error;
- }
+ static inline unsigned imajor(const struct inode *inode)
+ {
+- return MAJOR(inode->i_rdev);
++ return MAJOR(inode->i_mdev);
+ }
-+ /* map mount option tagxid */
-+ if (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_TAGGED))
-+ s->s_flags |= MS_TAGGED;
-+
- rs = SB_DISK_SUPER_BLOCK(s);
- /* Let's do basic sanity check to verify that underlying device is not
- smaller than the filesystem. If the check fails then abort and scream,
-diff -NurpP --minimal linux-2.6.27.33/fs/reiserfs/xattr.c linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/xattr.c
---- linux-2.6.27.33/fs/reiserfs/xattr.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/reiserfs/xattr.c 2008-10-13 14:54:20.000000000 +0200
-@@ -35,6 +35,7 @@
- #include <linux/namei.h>
- #include <linux/errno.h>
- #include <linux/fs.h>
-+#include <linux/mount.h>
- #include <linux/file.h>
- #include <linux/pagemap.h>
- #include <linux/xattr.h>
-diff -NurpP --minimal linux-2.6.27.33/fs/stat.c linux-2.6.27.33-vs2.3.0.36.6/fs/stat.c
---- linux-2.6.27.33/fs/stat.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/stat.c 2009-02-03 17:59:04.000000000 +0100
-@@ -26,6 +26,7 @@ void generic_fillattr(struct inode *inod
- stat->nlink = inode->i_nlink;
- stat->uid = inode->i_uid;
- stat->gid = inode->i_gid;
-+ stat->tag = inode->i_tag;
- stat->rdev = inode->i_rdev;
- stat->atime = inode->i_atime;
- stat->mtime = inode->i_mtime;
-diff -NurpP --minimal linux-2.6.27.33/fs/super.c linux-2.6.27.33-vs2.3.0.36.6/fs/super.c
---- linux-2.6.27.33/fs/super.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/super.c 2009-02-03 17:59:04.000000000 +0100
-@@ -38,6 +38,9 @@
- #include <linux/kobject.h>
- #include <linux/mutex.h>
- #include <linux/file.h>
-+#include <linux/devpts_fs.h>
-+#include <linux/proc_fs.h>
-+#include <linux/vs_context.h>
- #include <asm/uaccess.h>
- #include "internal.h"
+ extern struct block_device *I_BDEV(struct inode *inode);
+@@ -805,6 +820,7 @@ struct file {
+ loff_t f_pos;
+ struct fown_struct f_owner;
+ const struct cred *f_cred;
++ vxid_t f_xid;
+ struct file_ra_state f_ra;
-@@ -887,12 +890,18 @@ struct vfsmount *
- vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void *data)
- {
- struct vfsmount *mnt;
-+ struct super_block *sb;
- char *secdata = NULL;
- int error;
+ u64 f_version;
+@@ -929,6 +945,7 @@ struct file_lock {
+ struct file *fl_file;
+ loff_t fl_start;
+ loff_t fl_end;
++ vxid_t fl_xid;
- if (!type)
- return ERR_PTR(-ENODEV);
+ struct fasync_struct * fl_fasync; /* for lease break notifications */
+ /* for lease breaks: */
+@@ -1542,6 +1559,7 @@ struct inode_operations {
+ ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
+ ssize_t (*listxattr) (struct dentry *, char *, size_t);
+ int (*removexattr) (struct dentry *, const char *);
++ int (*sync_flags) (struct inode *, int, int);
+ int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
+ u64 len);
+ int (*update_time)(struct inode *, struct timespec *, int);
+@@ -1559,6 +1577,7 @@ ssize_t rw_copy_check_uvector(int type,
+ unsigned long nr_segs, unsigned long fast_segs,
+ struct iovec *fast_pointer,
+ struct iovec **ret_pointer);
++ssize_t vfs_sendfile(struct file *, struct file *, loff_t *, size_t, loff_t);
-+ error = -EPERM;
-+ if ((type->fs_flags & FS_BINARY_MOUNTDATA) &&
-+ !vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT))
-+ goto out;
+ extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
+ extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
+@@ -1612,6 +1631,14 @@ struct super_operations {
+ #define S_IMA 1024 /* Inode has an associated IMA struct */
+ #define S_AUTOMOUNT 2048 /* Automount/referral quasi-directory */
+ #define S_NOSEC 4096 /* no suid or xattr security attributes */
++#define S_IXUNLINK 8192 /* Immutable Invert on unlink */
+
- error = -ENOMEM;
- mnt = alloc_vfsmnt(name);
- if (!mnt)
-@@ -913,7 +922,14 @@ vfs_kern_mount(struct file_system_type *
- goto out_free_secdata;
- BUG_ON(!mnt->mnt_sb);
-
-- error = security_sb_kern_mount(mnt->mnt_sb, secdata);
-+ sb = mnt->mnt_sb;
-+ error = -EPERM;
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT) && !sb->s_bdev &&
-+ (sb->s_magic != PROC_SUPER_MAGIC) &&
-+ (sb->s_magic != DEVPTS_SUPER_MAGIC))
-+ goto out_sb;
++/* Linux-VServer related Inode flags */
+
-+ error = security_sb_kern_mount(sb, secdata);
- if (error)
- goto out_sb;
++#define V_VALID 1
++#define V_XATTR 2
++#define V_BARRIER 4 /* Barrier for chroot() */
++#define V_COW 8 /* Copy on Write */
-diff -NurpP --minimal linux-2.6.27.33/fs/sysfs/mount.c linux-2.6.27.33-vs2.3.0.36.6/fs/sysfs/mount.c
---- linux-2.6.27.33/fs/sysfs/mount.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/sysfs/mount.c 2008-10-13 14:54:20.000000000 +0200
-@@ -19,8 +19,6 @@
+ /*
+ * Note that nosuid etc flags are inode-specific: setting some file-system
+@@ -1636,10 +1663,13 @@ struct super_operations {
+ #define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
+ #define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
+ #define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
++#define IS_TAGGED(inode) __IS_FLG(inode, MS_TAGGED)
- #include "sysfs.h"
+ #define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
+ #define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
+ #define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
++#define IS_IXUNLINK(inode) ((inode)->i_flags & S_IXUNLINK)
++#define IS_IXORUNLINK(inode) ((IS_IXUNLINK(inode) ? S_IMMUTABLE : 0) ^ IS_IMMUTABLE(inode))
+ #define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
--/* Random magic number */
--#define SYSFS_MAGIC 0x62656572
+ #define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
+@@ -1653,6 +1683,16 @@ struct super_operations {
+ #define IS_WHITEOUT(inode) (S_ISCHR(inode->i_mode) && \
+ (inode)->i_rdev == WHITEOUT_DEV)
- static struct vfsmount *sysfs_mount;
- struct super_block * sysfs_sb = NULL;
-@@ -46,7 +44,7 @@ static int sysfs_fill_super(struct super
++#define IS_BARRIER(inode) (S_ISDIR((inode)->i_mode) && ((inode)->i_vflags & V_BARRIER))
++
++#ifdef CONFIG_VSERVER_COWBL
++# define IS_COW(inode) (IS_IXUNLINK(inode) && IS_IMMUTABLE(inode))
++# define IS_COW_LINK(inode) (S_ISREG((inode)->i_mode) && ((inode)->i_nlink > 1))
++#else
++# define IS_COW(inode) (0)
++# define IS_COW_LINK(inode) (0)
++#endif
++
+ /*
+ * Inode state bits. Protected by inode->i_lock
+ *
+@@ -1902,6 +1942,9 @@ extern struct kobject *fs_kobj;
+ extern int locks_mandatory_locked(struct file *);
+ extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);
- sb->s_blocksize = PAGE_CACHE_SIZE;
- sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
-- sb->s_magic = SYSFS_MAGIC;
-+ sb->s_magic = SYSFS_SUPER_MAGIC;
- sb->s_op = &sysfs_ops;
- sb->s_time_gran = 1;
- sysfs_sb = sb;
-diff -NurpP --minimal linux-2.6.27.33/fs/utimes.c linux-2.6.27.33-vs2.3.0.36.6/fs/utimes.c
---- linux-2.6.27.33/fs/utimes.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/utimes.c 2009-02-03 17:59:04.000000000 +0100
-@@ -8,6 +8,8 @@
- #include <linux/stat.h>
- #include <linux/utime.h>
- #include <linux/syscalls.h>
-+#include <linux/mount.h>
-+#include <linux/vs_cowbl.h>
- #include <asm/uaccess.h>
- #include <asm/unistd.h>
++#define ATTR_FLAG_BARRIER 512 /* Barrier for chroot() */
++#define ATTR_FLAG_IXUNLINK 1024 /* Immutable invert on unlink */
++
+ /*
+ * Candidates for mandatory locking have the setgid bit set
+ * but no group execute bit - an otherwise meaningless combination.
+@@ -2610,6 +2653,7 @@ extern int dcache_dir_open(struct inode
+ extern int dcache_dir_close(struct inode *, struct file *);
+ extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
+ extern int dcache_readdir(struct file *, struct dir_context *);
++extern int dcache_readdir_filter(struct file *, struct dir_context *, int (*)(struct dentry *));
+ extern int simple_setattr(struct dentry *, struct iattr *);
+ extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+ extern int simple_statfs(struct dentry *, struct kstatfs *);
+diff -NurpP --minimal linux-3.18.5/include/linux/init_task.h linux-3.18.5-vs2.3.7.3/include/linux/init_task.h
+--- linux-3.18.5/include/linux/init_task.h 2015-01-17 02:40:21.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/init_task.h 2015-01-19 10:58:04.000000000 +0000
+@@ -237,6 +237,10 @@ extern struct task_group root_task_group
+ INIT_CPUSET_SEQ(tsk) \
+ INIT_RT_MUTEXES(tsk) \
+ INIT_VTIME(tsk) \
++ .xid = 0, \
++ .vx_info = NULL, \
++ .nid = 0, \
++ .nx_info = NULL, \
+ }
-diff -NurpP --minimal linux-2.6.27.33/fs/xattr.c linux-2.6.27.33-vs2.3.0.36.6/fs/xattr.c
---- linux-2.6.27.33/fs/xattr.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xattr.c 2009-02-03 17:59:04.000000000 +0100
-@@ -18,6 +18,7 @@
- #include <linux/module.h>
- #include <linux/fsnotify.h>
- #include <linux/audit.h>
-+#include <linux/mount.h>
- #include <asm/uaccess.h>
+diff -NurpP --minimal linux-3.18.5/include/linux/ipc.h linux-3.18.5-vs2.3.7.3/include/linux/ipc.h
+--- linux-3.18.5/include/linux/ipc.h 2014-06-12 11:35:01.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/ipc.h 2015-01-19 10:58:04.000000000 +0000
+@@ -16,6 +16,7 @@ struct kern_ipc_perm
+ key_t key;
+ kuid_t uid;
+ kgid_t gid;
++ vxid_t xid;
+ kuid_t cuid;
+ kgid_t cgid;
+ umode_t mode;
+diff -NurpP --minimal linux-3.18.5/include/linux/memcontrol.h linux-3.18.5-vs2.3.7.3/include/linux/memcontrol.h
+--- linux-3.18.5/include/linux/memcontrol.h 2015-01-17 02:40:21.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/memcontrol.h 2015-01-19 10:58:04.000000000 +0000
+@@ -79,6 +79,13 @@ extern struct mem_cgroup *mem_cgroup_fro
+ extern struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg);
+ extern struct mem_cgroup *mem_cgroup_from_css(struct cgroup_subsys_state *css);
+
++extern u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member);
++extern u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member);
++
++extern s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem);
++extern s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem);
++extern s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem);
++
+ static inline
+ bool mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *memcg)
+ {
+diff -NurpP --minimal linux-3.18.5/include/linux/mount.h linux-3.18.5-vs2.3.7.3/include/linux/mount.h
+--- linux-3.18.5/include/linux/mount.h 2015-01-17 02:40:21.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/mount.h 2015-01-19 10:58:04.000000000 +0000
+@@ -62,6 +62,9 @@ struct mnt_namespace;
+ #define MNT_SYNC_UMOUNT 0x2000000
+ #define MNT_MARKED 0x4000000
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/linux-2.6/xfs_ioctl.c linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/linux-2.6/xfs_ioctl.c
---- linux-2.6.27.33/fs/xfs/linux-2.6/xfs_ioctl.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/linux-2.6/xfs_ioctl.c 2008-11-12 18:41:58.000000000 +0100
-@@ -806,6 +806,10 @@ xfs_merge_ioc_xflags(
- xflags |= XFS_XFLAG_IMMUTABLE;
- else
- xflags &= ~XFS_XFLAG_IMMUTABLE;
-+ if (flags & FS_IXUNLINK_FL)
-+ xflags |= XFS_XFLAG_IXUNLINK;
-+ else
-+ xflags &= ~XFS_XFLAG_IXUNLINK;
- if (flags & FS_APPEND_FL)
- xflags |= XFS_XFLAG_APPEND;
- else
-@@ -834,6 +838,8 @@ xfs_di2lxflags(
-
- if (di_flags & XFS_DIFLAG_IMMUTABLE)
- flags |= FS_IMMUTABLE_FL;
-+ if (di_flags & XFS_DIFLAG_IXUNLINK)
-+ flags |= FS_IXUNLINK_FL;
- if (di_flags & XFS_DIFLAG_APPEND)
- flags |= FS_APPEND_FL;
- if (di_flags & XFS_DIFLAG_SYNC)
-@@ -892,6 +898,8 @@ xfs_set_diflags(
- di_flags = (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC);
- if (xflags & XFS_XFLAG_IMMUTABLE)
- di_flags |= XFS_DIFLAG_IMMUTABLE;
-+ if (xflags & XFS_XFLAG_IXUNLINK)
-+ di_flags |= XFS_DIFLAG_IXUNLINK;
- if (xflags & XFS_XFLAG_APPEND)
- di_flags |= XFS_DIFLAG_APPEND;
- if (xflags & XFS_XFLAG_SYNC)
-@@ -934,6 +942,10 @@ xfs_diflags_to_linux(
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
-+ if (xflags & XFS_XFLAG_IXUNLINK)
-+ inode->i_flags |= S_IXUNLINK;
-+ else
-+ inode->i_flags &= ~S_IXUNLINK;
- if (xflags & XFS_XFLAG_APPEND)
- inode->i_flags |= S_APPEND;
- else
-@@ -1392,10 +1404,18 @@ xfs_ioctl(
- case XFS_IOC_FSGETXATTRA:
- return xfs_ioc_fsgetxattr(ip, 1, arg);
- case XFS_IOC_FSSETXATTR:
-+ if (IS_BARRIER(inode)) {
-+ vxwprintk_task(1, "messing with the barrier.");
-+ return -XFS_ERROR(EACCES);
-+ }
- return xfs_ioc_fssetxattr(ip, filp, arg);
- case XFS_IOC_GETXFLAGS:
- return xfs_ioc_getxflags(ip, arg);
- case XFS_IOC_SETXFLAGS:
-+ if (IS_BARRIER(inode)) {
-+ vxwprintk_task(1, "messing with the barrier.");
-+ return -XFS_ERROR(EACCES);
-+ }
- return xfs_ioc_setxflags(ip, filp, arg);
++#define MNT_TAGID 0x10000
++#define MNT_NOTAG 0x20000
++
+ struct vfsmount {
+ struct dentry *mnt_root; /* root of the mounted tree */
+ struct super_block *mnt_sb; /* pointer to superblock */
+diff -NurpP --minimal linux-3.18.5/include/linux/net.h linux-3.18.5-vs2.3.7.3/include/linux/net.h
+--- linux-3.18.5/include/linux/net.h 2014-06-12 13:02:49.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/net.h 2015-01-19 10:58:04.000000000 +0000
+@@ -39,6 +39,7 @@ struct net;
+ #define SOCK_PASSCRED 3
+ #define SOCK_PASSSEC 4
+ #define SOCK_EXTERNALLY_ALLOCATED 5
++#define SOCK_USER_SOCKET 6
- case XFS_IOC_FSSETDM: {
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/linux-2.6/xfs_iops.c linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/linux-2.6/xfs_iops.c
---- linux-2.6.27.33/fs/xfs/linux-2.6/xfs_iops.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/linux-2.6/xfs_iops.c 2008-11-12 18:41:58.000000000 +0100
-@@ -53,6 +53,7 @@
- #include <linux/namei.h>
- #include <linux/security.h>
- #include <linux/falloc.h>
-+#include <linux/vs_tag.h>
+ #ifndef ARCH_HAS_SOCKET_TYPES
+ /**
+diff -NurpP --minimal linux-3.18.5/include/linux/netdevice.h linux-3.18.5-vs2.3.7.3/include/linux/netdevice.h
+--- linux-3.18.5/include/linux/netdevice.h 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/netdevice.h 2015-01-28 11:48:02.000000000 +0000
+@@ -2124,6 +2124,7 @@ int init_dummy_netdev(struct net_device
+
+ struct net_device *dev_get_by_index(struct net *net, int ifindex);
+ struct net_device *__dev_get_by_index(struct net *net, int ifindex);
++struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex);
+ struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
+ int netdev_get_name(struct net *net, char *name, int ifindex);
+ int dev_restart(struct net_device *dev);
+diff -NurpP --minimal linux-3.18.5/include/linux/nsproxy.h linux-3.18.5-vs2.3.7.3/include/linux/nsproxy.h
+--- linux-3.18.5/include/linux/nsproxy.h 2015-01-16 22:19:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/nsproxy.h 2015-01-19 10:58:04.000000000 +0000
+@@ -3,6 +3,7 @@
- /*
- * Bring the atime in the XFS inode uptodate.
-@@ -558,6 +559,7 @@ xfs_vn_getattr(
- stat->nlink = ip->i_d.di_nlink;
- stat->uid = ip->i_d.di_uid;
- stat->gid = ip->i_d.di_gid;
-+ stat->tag = ip->i_d.di_tag;
- stat->ino = ip->i_ino;
- #if XFS_BIG_INUMS
- stat->ino += mp->m_inoadd;
-@@ -597,6 +599,12 @@ xfs_vn_getattr(
- }
+ #include <linux/spinlock.h>
+ #include <linux/sched.h>
++#include <linux/vserver/debug.h>
- STATIC int
-+xfs_vn_sync_xflags(struct inode *inode)
-+{
-+ return -xfs_sync_xflags(XFS_I(inode));
-+}
-+
-+STATIC int
- xfs_vn_setattr(
- struct dentry *dentry,
- struct iattr *iattr)
-@@ -671,6 +679,7 @@ static const struct inode_operations xfs
- .removexattr = generic_removexattr,
- .listxattr = xfs_vn_listxattr,
- .fallocate = xfs_vn_fallocate,
-+ .sync_flags = xfs_vn_sync_xflags,
- };
+ struct mnt_namespace;
+ struct uts_namespace;
+@@ -63,6 +64,7 @@ extern struct nsproxy init_nsproxy;
+ */
- static const struct inode_operations xfs_dir_inode_operations = {
-@@ -696,6 +705,7 @@ static const struct inode_operations xfs
- .getxattr = generic_getxattr,
- .removexattr = generic_removexattr,
- .listxattr = xfs_vn_listxattr,
-+ .sync_flags = xfs_vn_sync_xflags,
- };
+ int copy_namespaces(unsigned long flags, struct task_struct *tsk);
++struct nsproxy *copy_nsproxy(struct nsproxy *orig);
+ void exit_task_namespaces(struct task_struct *tsk);
+ void switch_task_namespaces(struct task_struct *tsk, struct nsproxy *new);
+ void free_nsproxy(struct nsproxy *ns);
+@@ -70,16 +72,26 @@ int unshare_nsproxy_namespaces(unsigned
+ struct cred *, struct fs_struct *);
+ int __init nsproxy_cache_init(void);
- static const struct inode_operations xfs_dir_ci_inode_operations = {
-@@ -745,6 +755,10 @@ xfs_diflags_to_iflags(
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
-+ if (ip->i_d.di_flags & XFS_DIFLAG_IXUNLINK)
-+ inode->i_flags |= S_IXUNLINK;
-+ else
-+ inode->i_flags &= ~S_IXUNLINK;
- if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
- inode->i_flags |= S_APPEND;
- else
-@@ -757,6 +771,15 @@ xfs_diflags_to_iflags(
- inode->i_flags |= S_NOATIME;
- else
- inode->i_flags &= ~S_NOATIME;
+-static inline void put_nsproxy(struct nsproxy *ns)
++#define get_nsproxy(n) __get_nsproxy(n, __FILE__, __LINE__)
+
-+ if (ip->i_d.di_vflags & XFS_DIVFLAG_BARRIER)
-+ inode->i_vflags |= V_BARRIER;
-+ else
-+ inode->i_vflags &= ~V_BARRIER;
-+ if (ip->i_d.di_vflags & XFS_DIVFLAG_COW)
-+ inode->i_vflags |= V_COW;
-+ else
-+ inode->i_vflags &= ~V_COW;
++static inline void __get_nsproxy(struct nsproxy *ns,
++ const char *_file, int _line)
+ {
+- if (atomic_dec_and_test(&ns->count)) {
+- free_nsproxy(ns);
+- }
++ vxlprintk(VXD_CBIT(space, 0), "get_nsproxy(%p[%u])",
++ ns, atomic_read(&ns->count), _file, _line);
++ atomic_inc(&ns->count);
}
- /*
-@@ -777,6 +800,7 @@ xfs_setup_inode(
- inode->i_nlink = ip->i_d.di_nlink;
- inode->i_uid = ip->i_d.di_uid;
- inode->i_gid = ip->i_d.di_gid;
-+ inode->i_tag = ip->i_d.di_tag;
-
- switch (inode->i_mode & S_IFMT) {
- case S_IFBLK:
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/linux-2.6/xfs_linux.h linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/linux-2.6/xfs_linux.h
---- linux-2.6.27.33/fs/xfs/linux-2.6/xfs_linux.h 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/linux-2.6/xfs_linux.h 2008-10-13 15:35:26.000000000 +0200
-@@ -126,6 +126,7 @@
-
- #define current_cpu() (raw_smp_processor_id())
- #define current_pid() (current->pid)
-+#define current_fstag(cred,vp) (dx_current_fstag(vp->i_sb))
- #define current_test_flags(f) (current->flags & (f))
- #define current_set_flags_nested(sp, f) \
- (*(sp) = current->flags, current->flags |= (f))
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/linux-2.6/xfs_super.c linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/linux-2.6/xfs_super.c
---- linux-2.6.27.33/fs/xfs/linux-2.6/xfs_super.c 2009-09-13 16:16:59.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/linux-2.6/xfs_super.c 2009-02-03 17:59:04.000000000 +0100
-@@ -147,6 +147,9 @@ xfs_args_allocate(
- #define MNTOPT_DMAPI "dmapi" /* DMI enabled (DMAPI / XDSM) */
- #define MNTOPT_XDSM "xdsm" /* DMI enabled (DMAPI / XDSM) */
- #define MNTOPT_DMI "dmi" /* DMI enabled (DMAPI / XDSM) */
-+#define MNTOPT_TAGXID "tagxid" /* context tagging for inodes */
-+#define MNTOPT_TAGGED "tag" /* context tagging for inodes */
-+#define MNTOPT_NOTAGTAG "notag" /* do not use context tagging */
+-static inline void get_nsproxy(struct nsproxy *ns)
++#define put_nsproxy(n) __put_nsproxy(n, __FILE__, __LINE__)
++
++static inline void __put_nsproxy(struct nsproxy *ns,
++ const char *_file, int _line)
+ {
+- atomic_inc(&ns->count);
++ vxlprintk(VXD_CBIT(space, 0), "put_nsproxy(%p[%u])",
++ ns, atomic_read(&ns->count), _file, _line);
++ if (atomic_dec_and_test(&ns->count)) {
++ free_nsproxy(ns);
++ }
+ }
- /*
- * Table driven mount option parser.
-@@ -155,10 +158,14 @@ xfs_args_allocate(
- * in the future, too.
- */
- enum {
-+ Opt_tag, Opt_notag,
- Opt_barrier, Opt_nobarrier, Opt_err
+ #endif
+diff -NurpP --minimal linux-3.18.5/include/linux/pid.h linux-3.18.5-vs2.3.7.3/include/linux/pid.h
+--- linux-3.18.5/include/linux/pid.h 2013-11-25 15:45:06.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/pid.h 2015-01-19 10:58:04.000000000 +0000
+@@ -8,7 +8,8 @@ enum pid_type
+ PIDTYPE_PID,
+ PIDTYPE_PGID,
+ PIDTYPE_SID,
+- PIDTYPE_MAX
++ PIDTYPE_MAX,
++ PIDTYPE_REALPID
};
- static match_table_t tokens = {
-+ {Opt_tag, "tagxid"},
-+ {Opt_tag, "tag"},
-+ {Opt_notag, "notag"},
- {Opt_barrier, "barrier"},
- {Opt_nobarrier, "nobarrier"},
- {Opt_err, NULL}
-@@ -383,6 +390,19 @@ xfs_parseargs(
- } else if (!strcmp(this_char, "irixsgid")) {
- cmn_err(CE_WARN,
- "XFS: irixsgid is now a sysctl(2) variable, option is deprecated.");
-+#ifndef CONFIG_TAGGING_NONE
-+ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
-+ args->flags2 |= XFSMNT2_TAGGED;
-+ } else if (!strcmp(this_char, MNTOPT_NOTAGTAG)) {
-+ args->flags2 &= ~XFSMNT2_TAGGED;
-+ } else if (!strcmp(this_char, MNTOPT_TAGXID)) {
-+ args->flags2 |= XFSMNT2_TAGGED;
-+#endif
-+#ifdef CONFIG_PROPAGATE
-+ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
-+ /* use value */
-+ args->flags2 |= XFSMNT2_TAGGED;
-+#endif
- } else {
- cmn_err(CE_WARN,
- "XFS: unknown mount option [%s].", this_char);
-@@ -1301,6 +1321,16 @@ xfs_fs_remount(
- case Opt_nobarrier:
- mp->m_flags &= ~XFS_MOUNT_BARRIER;
- break;
-+ case Opt_tag:
-+ if (!(sb->s_flags & MS_TAGGED)) {
-+ printk(KERN_INFO
-+ "XFS: %s: tagging not permitted on remount.\n",
-+ sb->s_id);
-+ return -EINVAL;
-+ }
-+ break;
-+ case Opt_notag:
-+ break;
- default:
- /*
- * Logically we would return an error here to prevent
-@@ -1555,6 +1585,9 @@ xfs_start_flags(
-
- if (ap->flags & XFSMNT_DMAPI)
- mp->m_flags |= XFS_MOUNT_DMAPI;
-+
-+ if (ap->flags2 & XFSMNT2_TAGGED)
-+ mp->m_flags |= XFS_MOUNT_TAGGED;
- return 0;
+ /*
+@@ -170,6 +171,7 @@ static inline pid_t pid_nr(struct pid *p
+ }
+ pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns);
++pid_t pid_unmapped_nr_ns(struct pid *pid, struct pid_namespace *ns);
+ pid_t pid_vnr(struct pid *pid);
-@@ -1749,6 +1782,9 @@ xfs_fs_fill_super(
+ #define do_each_pid_task(pid, type, task) \
+diff -NurpP --minimal linux-3.18.5/include/linux/quotaops.h linux-3.18.5-vs2.3.7.3/include/linux/quotaops.h
+--- linux-3.18.5/include/linux/quotaops.h 2014-06-12 13:02:49.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/quotaops.h 2015-01-19 10:58:04.000000000 +0000
+@@ -8,6 +8,7 @@
+ #define _LINUX_QUOTAOPS_
- XFS_SEND_MOUNT(mp, DM_RIGHT_NULL, args->mtpt, args->fsname);
+ #include <linux/fs.h>
++#include <linux/vs_dlimit.h>
-+ if (mp->m_flags & XFS_MOUNT_TAGGED)
-+ sb->s_flags |= MS_TAGGED;
-+
- sb->s_dirt = 1;
- sb->s_magic = XFS_SB_MAGIC;
- sb->s_blocksize = mp->m_sb.sb_blocksize;
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/quota/xfs_qm_syscalls.c linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/quota/xfs_qm_syscalls.c
---- linux-2.6.27.33/fs/xfs/quota/xfs_qm_syscalls.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/quota/xfs_qm_syscalls.c 2008-10-24 03:47:08.000000000 +0200
-@@ -426,7 +426,7 @@ xfs_qm_scall_quotaon(
- uint accflags;
- __int64_t sbflags;
+ #define DQUOT_SPACE_WARN 0x1
+ #define DQUOT_SPACE_RESERVE 0x2
+@@ -215,11 +216,12 @@ static inline void dquot_drop(struct ino
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
- return XFS_ERROR(EPERM);
-
- flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_clnt.h linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_clnt.h
---- linux-2.6.27.33/fs/xfs/xfs_clnt.h 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_clnt.h 2008-10-13 14:54:20.000000000 +0200
-@@ -101,5 +101,6 @@ struct xfs_mount_args {
- * I/O size in stat(2) */
- #define XFSMNT2_FILESTREAMS 0x00000002 /* enable the filestreams
- * allocator */
-+#define XFSMNT2_TAGGED 0x10000000 /* context tagging */
-
- #endif /* __XFS_CLNT_H__ */
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_dinode.h linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_dinode.h
---- linux-2.6.27.33/fs/xfs/xfs_dinode.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_dinode.h 2008-11-12 18:41:59.000000000 +0100
-@@ -53,7 +53,9 @@ typedef struct xfs_dinode_core {
- __be32 di_gid; /* owner's group id */
- __be32 di_nlink; /* number of links to file */
- __be16 di_projid; /* owner's project id */
-- __u8 di_pad[8]; /* unused, zeroed space */
-+ __be16 di_tag; /* context tagging */
-+ __be16 di_vflags; /* vserver specific flags */
-+ __u8 di_pad[4]; /* unused, zeroed space */
- __be16 di_flushiter; /* incremented on flush */
- xfs_timestamp_t di_atime; /* time last accessed */
- xfs_timestamp_t di_mtime; /* time last modified */
-@@ -136,7 +138,9 @@ typedef struct xfs_dinode
- #define XFS_DI_NEXT_UNLINKED 0x1000000
- #define XFS_DI_U 0x2000000
- #define XFS_DI_A 0x4000000
--#define XFS_DI_NUM_BITS 27
-+#define XFS_DI_TAG 0x8000000
-+#define XFS_DI_VFLAGS 0x10000000
-+#define XFS_DI_NUM_BITS 29
- #define XFS_DI_ALL_BITS ((1 << XFS_DI_NUM_BITS) - 1)
- #define XFS_DI_CORE_BITS (XFS_DI_ALL_BITS & ~(XFS_DI_U|XFS_DI_A))
-
-@@ -223,6 +227,8 @@ typedef enum xfs_dinode_fmt
- #define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */
- #define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */
- #define XFS_DIFLAG_FILESTREAM_BIT 14 /* use filestream allocator */
-+#define XFS_DIFLAG_IXUNLINK_BIT 15 /* Immutable inver on unlink */
-+
- #define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
- #define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
- #define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
-@@ -238,6 +244,7 @@ typedef enum xfs_dinode_fmt
- #define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)
- #define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT)
- #define XFS_DIFLAG_FILESTREAM (1 << XFS_DIFLAG_FILESTREAM_BIT)
-+#define XFS_DIFLAG_IXUNLINK (1 << XFS_DIFLAG_IXUNLINK_BIT)
-
- #ifdef CONFIG_XFS_RT
- #define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
-@@ -250,6 +257,10 @@ typedef enum xfs_dinode_fmt
- XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \
- XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \
- XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
-- XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
-+ XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM | \
-+ XFS_DIFLAG_IXUNLINK)
-+
-+#define XFS_DIVFLAG_BARRIER 0x01
-+#define XFS_DIVFLAG_COW 0x02
-
- #endif /* __XFS_DINODE_H__ */
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_fs.h linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_fs.h
---- linux-2.6.27.33/fs/xfs/xfs_fs.h 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_fs.h 2008-10-13 14:54:20.000000000 +0200
-@@ -67,6 +67,9 @@ struct fsxattr {
- #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
- #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
- #define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
-+#define XFS_XFLAG_IXUNLINK 0x00008000 /* immutable invert on unlink */
-+#define XFS_XFLAG_BARRIER 0x10000000 /* chroot() barrier */
-+#define XFS_XFLAG_COW 0x20000000 /* copy on write mark */
- #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
+ static inline int dquot_alloc_inode(const struct inode *inode)
+ {
+- return 0;
++ return dl_alloc_inode(inode);
+ }
- /*
-@@ -297,7 +300,8 @@ typedef struct xfs_bstat {
- __s32 bs_extents; /* number of extents */
- __u32 bs_gen; /* generation count */
- __u16 bs_projid; /* project id */
-- unsigned char bs_pad[14]; /* pad space, unused */
-+ __u16 bs_tag; /* context tagging */
-+ unsigned char bs_pad[12]; /* pad space, unused */
- __u32 bs_dmevmask; /* DMIG event mask */
- __u16 bs_dmstate; /* DMIG state info */
- __u16 bs_aextents; /* attribute number of extents */
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_ialloc.c linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_ialloc.c
---- linux-2.6.27.33/fs/xfs/xfs_ialloc.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_ialloc.c 2008-11-12 18:41:59.000000000 +0100
-@@ -84,6 +84,8 @@ xfs_ialloc_log_di(
- offsetof(xfs_dinode_t, di_next_unlinked),
- offsetof(xfs_dinode_t, di_u),
- offsetof(xfs_dinode_t, di_a),
-+ offsetof(xfs_dinode_core_t, di_tag),
-+ offsetof(xfs_dinode_core_t, di_vflags),
- sizeof(xfs_dinode_t)
- };
+ static inline void dquot_free_inode(const struct inode *inode)
+ {
++ dl_free_inode(inode);
+ }
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_inode.c linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_inode.c
---- linux-2.6.27.33/fs/xfs/xfs_inode.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_inode.c 2008-11-12 18:42:00.000000000 +0100
-@@ -249,6 +249,7 @@ xfs_inotobp(
+ static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
+@@ -230,6 +232,10 @@ static inline int dquot_transfer(struct
+ static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
+ int flags)
+ {
++ int ret = 0;
++
++ if ((ret = dl_alloc_space(inode, number)))
++ return ret;
+ if (!(flags & DQUOT_SPACE_RESERVE))
+ inode_add_bytes(inode, number);
return 0;
+@@ -240,6 +246,7 @@ static inline void __dquot_free_space(st
+ {
+ if (!(flags & DQUOT_SPACE_RESERVE))
+ inode_sub_bytes(inode, number);
++ dl_free_space(inode, number);
}
-+#include <linux/vs_tag.h>
+ static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
+diff -NurpP --minimal linux-3.18.5/include/linux/sched.h linux-3.18.5-vs2.3.7.3/include/linux/sched.h
+--- linux-3.18.5/include/linux/sched.h 2015-01-17 02:40:22.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/sched.h 2015-01-19 10:58:04.000000000 +0000
+@@ -1438,6 +1438,14 @@ struct task_struct {
+ #endif
+ struct seccomp seccomp;
- /*
- * This routine is called to map an inode to the buffer containing
-@@ -660,15 +661,25 @@ xfs_iformat_btree(
- void
- xfs_dinode_from_disk(
- xfs_icdinode_t *to,
-- xfs_dinode_core_t *from)
-+ xfs_dinode_core_t *from,
-+ int tagged)
++/* vserver context data */
++ struct vx_info *vx_info;
++ struct nx_info *nx_info;
++
++ vxid_t xid;
++ vnid_t nid;
++ vtag_t tag;
++
+ /* Thread group tracking */
+ u32 parent_exec_id;
+ u32 self_exec_id;
+@@ -1743,6 +1751,11 @@ struct pid_namespace;
+ pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
+ struct pid_namespace *ns);
+
++#include <linux/vserver/base.h>
++#include <linux/vserver/context.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/pid.h>
++
+ static inline pid_t task_pid_nr(struct task_struct *tsk)
{
-+ uint32_t uid, gid, tag;
-+
- to->di_magic = be16_to_cpu(from->di_magic);
- to->di_mode = be16_to_cpu(from->di_mode);
- to->di_version = from ->di_version;
- to->di_format = from->di_format;
- to->di_onlink = be16_to_cpu(from->di_onlink);
-- to->di_uid = be32_to_cpu(from->di_uid);
-- to->di_gid = be32_to_cpu(from->di_gid);
-+
-+ uid = be32_to_cpu(from->di_uid);
-+ gid = be32_to_cpu(from->di_gid);
-+ tag = be16_to_cpu(from->di_tag);
-+
-+ to->di_uid = INOTAG_UID(tagged, uid, gid);
-+ to->di_gid = INOTAG_GID(tagged, uid, gid);
-+ to->di_tag = INOTAG_TAG(tagged, uid, gid, tag);
-+
- to->di_nlink = be32_to_cpu(from->di_nlink);
- to->di_projid = be16_to_cpu(from->di_projid);
- memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad));
-@@ -689,21 +700,26 @@ xfs_dinode_from_disk(
- to->di_dmevmask = be32_to_cpu(from->di_dmevmask);
- to->di_dmstate = be16_to_cpu(from->di_dmstate);
- to->di_flags = be16_to_cpu(from->di_flags);
-+ to->di_vflags = be16_to_cpu(from->di_vflags);
- to->di_gen = be32_to_cpu(from->di_gen);
- }
+ return tsk->pid;
+@@ -1756,7 +1769,8 @@ static inline pid_t task_pid_nr_ns(struc
- void
- xfs_dinode_to_disk(
- xfs_dinode_core_t *to,
-- xfs_icdinode_t *from)
-+ xfs_icdinode_t *from,
-+ int tagged)
+ static inline pid_t task_pid_vnr(struct task_struct *tsk)
{
- to->di_magic = cpu_to_be16(from->di_magic);
- to->di_mode = cpu_to_be16(from->di_mode);
- to->di_version = from ->di_version;
- to->di_format = from->di_format;
- to->di_onlink = cpu_to_be16(from->di_onlink);
-- to->di_uid = cpu_to_be32(from->di_uid);
-- to->di_gid = cpu_to_be32(from->di_gid);
-+
-+ to->di_uid = cpu_to_be32(TAGINO_UID(tagged, from->di_uid, from->di_tag));
-+ to->di_gid = cpu_to_be32(TAGINO_GID(tagged, from->di_gid, from->di_tag));
-+ to->di_tag = cpu_to_be16(TAGINO_TAG(tagged, from->di_tag));
-+
- to->di_nlink = cpu_to_be32(from->di_nlink);
- to->di_projid = cpu_to_be16(from->di_projid);
- memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad));
-@@ -724,12 +740,14 @@ xfs_dinode_to_disk(
- to->di_dmevmask = cpu_to_be32(from->di_dmevmask);
- to->di_dmstate = cpu_to_be16(from->di_dmstate);
- to->di_flags = cpu_to_be16(from->di_flags);
-+ to->di_vflags = cpu_to_be16(from->di_vflags);
- to->di_gen = cpu_to_be32(from->di_gen);
+- return __task_pid_nr_ns(tsk, PIDTYPE_PID, NULL);
++ // return __task_pid_nr_ns(tsk, PIDTYPE_PID, NULL);
++ return vx_map_pid(__task_pid_nr_ns(tsk, PIDTYPE_PID, NULL));
}
- STATIC uint
- _xfs_dic2xflags(
-- __uint16_t di_flags)
-+ __uint16_t di_flags,
-+ __uint16_t di_vflags)
- {
- uint flags = 0;
-
-@@ -740,6 +758,8 @@ _xfs_dic2xflags(
- flags |= XFS_XFLAG_PREALLOC;
- if (di_flags & XFS_DIFLAG_IMMUTABLE)
- flags |= XFS_XFLAG_IMMUTABLE;
-+ if (di_flags & XFS_DIFLAG_IXUNLINK)
-+ flags |= XFS_XFLAG_IXUNLINK;
- if (di_flags & XFS_DIFLAG_APPEND)
- flags |= XFS_XFLAG_APPEND;
- if (di_flags & XFS_DIFLAG_SYNC)
-@@ -764,6 +784,10 @@ _xfs_dic2xflags(
- flags |= XFS_XFLAG_FILESTREAM;
- }
-+ if (di_vflags & XFS_DIVFLAG_BARRIER)
-+ flags |= FS_BARRIER_FL;
-+ if (di_vflags & XFS_DIVFLAG_COW)
-+ flags |= FS_COW_FL;
- return flags;
- }
+@@ -1769,7 +1783,7 @@ pid_t task_tgid_nr_ns(struct task_struct
-@@ -773,7 +797,7 @@ xfs_ip2xflags(
+ static inline pid_t task_tgid_vnr(struct task_struct *tsk)
{
- xfs_icdinode_t *dic = &ip->i_d;
-
-- return _xfs_dic2xflags(dic->di_flags) |
-+ return _xfs_dic2xflags(dic->di_flags, dic->di_vflags) |
- (XFS_IFORK_Q(ip) ? XFS_XFLAG_HASATTR : 0);
+- return pid_vnr(task_tgid(tsk));
++ return vx_map_tgid(pid_vnr(task_tgid(tsk)));
}
-@@ -783,7 +807,8 @@ xfs_dic2xflags(
- {
- xfs_dinode_core_t *dic = &dip->di_core;
-- return _xfs_dic2xflags(be16_to_cpu(dic->di_flags)) |
-+ return _xfs_dic2xflags(be16_to_cpu(dic->di_flags),
-+ be16_to_cpu(dic->di_vflags)) |
- (XFS_DFORK_Q(dip) ? XFS_XFLAG_HASATTR : 0);
+diff -NurpP --minimal linux-3.18.5/include/linux/shmem_fs.h linux-3.18.5-vs2.3.7.3/include/linux/shmem_fs.h
+--- linux-3.18.5/include/linux/shmem_fs.h 2015-01-16 22:19:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/shmem_fs.h 2015-01-19 10:58:04.000000000 +0000
+@@ -10,6 +10,9 @@
+
+ /* inode in-kernel data */
+
++#define TMPFS_SUPER_MAGIC 0x01021994
++
++
+ struct shmem_inode_info {
+ spinlock_t lock;
+ unsigned int seals; /* shmem seals */
+diff -NurpP --minimal linux-3.18.5/include/linux/stat.h linux-3.18.5-vs2.3.7.3/include/linux/stat.h
+--- linux-3.18.5/include/linux/stat.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/stat.h 2015-01-19 10:58:04.000000000 +0000
+@@ -25,6 +25,7 @@ struct kstat {
+ unsigned int nlink;
+ kuid_t uid;
+ kgid_t gid;
++ ktag_t tag;
+ dev_t rdev;
+ loff_t size;
+ struct timespec atime;
+diff -NurpP --minimal linux-3.18.5/include/linux/sunrpc/auth.h linux-3.18.5-vs2.3.7.3/include/linux/sunrpc/auth.h
+--- linux-3.18.5/include/linux/sunrpc/auth.h 2015-01-16 22:19:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/sunrpc/auth.h 2015-01-19 10:58:04.000000000 +0000
+@@ -36,6 +36,7 @@ enum {
+ struct auth_cred {
+ kuid_t uid;
+ kgid_t gid;
++ ktag_t tag;
+ struct group_info *group_info;
+ const char *principal;
+ unsigned long ac_flags;
+diff -NurpP --minimal linux-3.18.5/include/linux/sunrpc/clnt.h linux-3.18.5-vs2.3.7.3/include/linux/sunrpc/clnt.h
+--- linux-3.18.5/include/linux/sunrpc/clnt.h 2014-06-12 13:02:50.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/sunrpc/clnt.h 2015-01-19 10:58:04.000000000 +0000
+@@ -51,7 +51,8 @@ struct rpc_clnt {
+ cl_discrtry : 1,/* disconnect before retry */
+ cl_noretranstimeo: 1,/* No retransmit timeouts */
+ cl_autobind : 1,/* use getport() */
+- cl_chatty : 1;/* be verbose */
++ cl_chatty : 1,/* be verbose */
++ cl_tag : 1;/* context tagging */
+
+ struct rpc_rtt * cl_rtt; /* RTO estimator data */
+ const struct rpc_timeout *cl_timeout; /* Timeout strategy */
+diff -NurpP --minimal linux-3.18.5/include/linux/types.h linux-3.18.5-vs2.3.7.3/include/linux/types.h
+--- linux-3.18.5/include/linux/types.h 2014-09-03 13:19:43.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/types.h 2015-01-19 10:58:04.000000000 +0000
+@@ -32,6 +32,9 @@ typedef __kernel_uid32_t uid_t;
+ typedef __kernel_gid32_t gid_t;
+ typedef __kernel_uid16_t uid16_t;
+ typedef __kernel_gid16_t gid16_t;
++typedef unsigned int vxid_t;
++typedef unsigned int vnid_t;
++typedef unsigned int vtag_t;
+
+ typedef unsigned long uintptr_t;
+
+diff -NurpP --minimal linux-3.18.5/include/linux/uidgid.h linux-3.18.5-vs2.3.7.3/include/linux/uidgid.h
+--- linux-3.18.5/include/linux/uidgid.h 2014-06-12 11:35:03.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/uidgid.h 2015-01-25 18:11:57.000000000 +0000
+@@ -21,13 +21,17 @@ typedef struct {
+ uid_t val;
+ } kuid_t;
+
+-
+ typedef struct {
+ gid_t val;
+ } kgid_t;
+
++typedef struct {
++ vtag_t val;
++} ktag_t;
++
+ #define KUIDT_INIT(value) (kuid_t){ value }
+ #define KGIDT_INIT(value) (kgid_t){ value }
++#define KTAGT_INIT(value) (ktag_t){ value }
+
+ static inline uid_t __kuid_val(kuid_t uid)
+ {
+@@ -39,11 +43,18 @@ static inline gid_t __kgid_val(kgid_t gi
+ return gid.val;
}
-@@ -878,7 +903,8 @@ xfs_iread(
- * Otherwise, just get the truly permanent information.
- */
- if (dip->di_core.di_mode) {
-- xfs_dinode_from_disk(&ip->i_d, &dip->di_core);
-+ xfs_dinode_from_disk(&ip->i_d, &dip->di_core,
-+ mp->m_flags & XFS_MOUNT_TAGGED);
- error = xfs_iformat(ip, dip);
- if (error) {
- kmem_zone_free(xfs_inode_zone, ip);
-@@ -1083,6 +1109,7 @@ xfs_ialloc(
- ASSERT(ip->i_d.di_nlink == nlink);
- ip->i_d.di_uid = current_fsuid();
- ip->i_d.di_gid = current_fsgid();
-+ ip->i_d.di_tag = current_fstag(cr, ip->i_vnode);
- ip->i_d.di_projid = prid;
- memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
-
-@@ -1143,6 +1170,7 @@ xfs_ialloc(
- ip->i_d.di_dmevmask = 0;
- ip->i_d.di_dmstate = 0;
- ip->i_d.di_flags = 0;
-+ ip->i_d.di_vflags = 0;
- flags = XFS_ILOG_CORE;
- switch (mode & S_IFMT) {
- case S_IFIFO:
-@@ -2249,6 +2277,7 @@ xfs_ifree(
- }
- ip->i_d.di_mode = 0; /* mark incore inode as free */
- ip->i_d.di_flags = 0;
-+ ip->i_d.di_vflags = 0;
- ip->i_d.di_dmevmask = 0;
- ip->i_d.di_forkoff = 0; /* mark the attr fork not in use */
- ip->i_df.if_ext_max =
-@@ -3342,7 +3371,8 @@ xfs_iflush_int(
- * because if the inode is dirty at all the core must
- * be.
- */
-- xfs_dinode_to_disk(&dip->di_core, &ip->i_d);
-+ xfs_dinode_to_disk(&dip->di_core, &ip->i_d,
-+ mp->m_flags & XFS_MOUNT_TAGGED);
-
- /* Wrap, we never let the log put out DI_MAX_FLUSH */
- if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_inode.h linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_inode.h
---- linux-2.6.27.33/fs/xfs/xfs_inode.h 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_inode.h 2008-11-12 18:42:03.000000000 +0100
-@@ -173,7 +173,9 @@ typedef struct xfs_icdinode {
- __uint32_t di_gid; /* owner's group id */
- __uint32_t di_nlink; /* number of links to file */
- __uint16_t di_projid; /* owner's project id */
-- __uint8_t di_pad[8]; /* unused, zeroed space */
-+ __uint16_t di_tag; /* context tagging */
-+ __uint16_t di_vflags; /* vserver specific flags */
-+ __uint8_t di_pad[4]; /* unused, zeroed space */
- __uint16_t di_flushiter; /* incremented on flush */
- xfs_ictimestamp_t di_atime; /* time last accessed */
- xfs_ictimestamp_t di_mtime; /* time last modified */
-@@ -500,9 +502,9 @@ int xfs_ialloc(struct xfs_trans *, xfs_
- xfs_nlink_t, xfs_dev_t, struct cred *, xfs_prid_t,
- int, struct xfs_buf **, boolean_t *, xfs_inode_t **);
- void xfs_dinode_from_disk(struct xfs_icdinode *,
-- struct xfs_dinode_core *);
-+ struct xfs_dinode_core *, int tagged);
- void xfs_dinode_to_disk(struct xfs_dinode_core *,
-- struct xfs_icdinode *);
-+ struct xfs_icdinode *, int tagged);
-
- uint xfs_ip2xflags(struct xfs_inode *);
- uint xfs_dic2xflags(struct xfs_dinode *);
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_itable.c linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_itable.c
---- linux-2.6.27.33/fs/xfs/xfs_itable.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_itable.c 2008-11-12 18:42:03.000000000 +0100
-@@ -82,6 +82,7 @@ xfs_bulkstat_one_iget(
- buf->bs_mode = dic->di_mode;
- buf->bs_uid = dic->di_uid;
- buf->bs_gid = dic->di_gid;
-+ buf->bs_tag = dic->di_tag;
- buf->bs_size = dic->di_size;
- vn_atime_to_bstime(VFS_I(ip), &buf->bs_atime);
- buf->bs_mtime.tv_sec = dic->di_mtime.t_sec;
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_log_recover.c linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_log_recover.c
---- linux-2.6.27.33/fs/xfs/xfs_log_recover.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_log_recover.c 2008-11-12 18:42:03.000000000 +0100
-@@ -2417,7 +2417,8 @@ xlog_recover_do_inode_trans(
-
- /* The core is in in-core format */
- xfs_dinode_to_disk(&dip->di_core,
-- (xfs_icdinode_t *)item->ri_buf[1].i_addr);
-+ (xfs_icdinode_t *)item->ri_buf[1].i_addr,
-+ mp->m_flags & XFS_MOUNT_TAGGED);
-
- /* the rest is in on-disk format */
- if (item->ri_buf[1].i_len > sizeof(xfs_dinode_core_t)) {
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_mount.h linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_mount.h
---- linux-2.6.27.33/fs/xfs/xfs_mount.h 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_mount.h 2008-10-13 14:54:20.000000000 +0200
-@@ -384,6 +384,7 @@ typedef struct xfs_mount {
- allocator */
- #define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
-
-+#define XFS_MOUNT_TAGGED (1ULL << 31) /* context tagging */
++static inline vtag_t __ktag_val(ktag_t tag)
++{
++ return tag.val;
++}
++
+ #define GLOBAL_ROOT_UID KUIDT_INIT(0)
+ #define GLOBAL_ROOT_GID KGIDT_INIT(0)
++#define GLOBAL_ROOT_TAG KTAGT_INIT(0)
- /*
- * Default minimum read and write sizes.
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_vnodeops.c linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_vnodeops.c
---- linux-2.6.27.33/fs/xfs/xfs_vnodeops.c 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_vnodeops.c 2008-11-12 18:42:03.000000000 +0100
-@@ -75,6 +75,89 @@ xfs_open(
- return 0;
+ #define INVALID_UID KUIDT_INIT(-1)
+ #define INVALID_GID KGIDT_INIT(-1)
++#define INVALID_TAG KTAGT_INIT(-1)
+
+ static inline bool uid_eq(kuid_t left, kuid_t right)
+ {
+@@ -55,6 +66,11 @@ static inline bool gid_eq(kgid_t left, k
+ return __kgid_val(left) == __kgid_val(right);
}
-+STATIC void
-+xfs_get_inode_flags(
-+ xfs_inode_t *ip)
++static inline bool tag_eq(ktag_t left, ktag_t right)
+{
-+ struct inode *inode = VFS_I(ip);
-+ unsigned int flags = inode->i_flags;
-+ unsigned int vflags = inode->i_vflags;
++ return __ktag_val(left) == __ktag_val(right);
++}
+
-+ if (flags & S_IMMUTABLE)
-+ ip->i_d.di_flags |= XFS_DIFLAG_IMMUTABLE;
-+ else
-+ ip->i_d.di_flags &= ~XFS_DIFLAG_IMMUTABLE;
-+ if (flags & S_IXUNLINK)
-+ ip->i_d.di_flags |= XFS_DIFLAG_IXUNLINK;
-+ else
-+ ip->i_d.di_flags &= ~XFS_DIFLAG_IXUNLINK;
+ static inline bool uid_gt(kuid_t left, kuid_t right)
+ {
+ return __kuid_val(left) > __kuid_val(right);
+@@ -105,13 +121,21 @@ static inline bool gid_valid(kgid_t gid)
+ return !gid_eq(gid, INVALID_GID);
+ }
+
++static inline bool tag_valid(ktag_t tag)
++{
++ return !tag_eq(tag, INVALID_TAG);
++}
+
-+ if (vflags & V_BARRIER)
-+ ip->i_d.di_vflags |= XFS_DIVFLAG_BARRIER;
-+ else
-+ ip->i_d.di_vflags &= ~XFS_DIVFLAG_BARRIER;
-+ if (vflags & V_COW)
-+ ip->i_d.di_vflags |= XFS_DIVFLAG_COW;
-+ else
-+ ip->i_d.di_vflags &= ~XFS_DIVFLAG_COW;
+ #ifdef CONFIG_USER_NS
+
+ extern kuid_t make_kuid(struct user_namespace *from, uid_t uid);
+ extern kgid_t make_kgid(struct user_namespace *from, gid_t gid);
++extern ktag_t make_ktag(struct user_namespace *from, gid_t gid);
+
+ extern uid_t from_kuid(struct user_namespace *to, kuid_t uid);
+ extern gid_t from_kgid(struct user_namespace *to, kgid_t gid);
++extern vtag_t from_ktag(struct user_namespace *to, ktag_t tag);
++
+ extern uid_t from_kuid_munged(struct user_namespace *to, kuid_t uid);
+ extern gid_t from_kgid_munged(struct user_namespace *to, kgid_t gid);
+
+@@ -137,6 +161,11 @@ static inline kgid_t make_kgid(struct us
+ return KGIDT_INIT(gid);
+ }
+
++static inline ktag_t make_ktag(struct user_namespace *from, vtag_t tag)
++{
++ return KTAGT_INIT(tag);
+}
+
-+int
-+xfs_sync_xflags(
-+ xfs_inode_t *ip)
+ static inline uid_t from_kuid(struct user_namespace *to, kuid_t kuid)
+ {
+ return __kuid_val(kuid);
+@@ -147,6 +176,11 @@ static inline gid_t from_kgid(struct use
+ return __kgid_val(kgid);
+ }
+
++static inline vtag_t from_ktag(struct user_namespace *to, ktag_t ktag)
+{
-+ struct xfs_mount *mp = ip->i_mount;
-+ struct xfs_trans *tp;
-+ unsigned int lock_flags = 0;
-+ int code;
++ return __ktag_val(ktag);
++}
+
-+ xfs_itrace_entry(ip);
+ static inline uid_t from_kuid_munged(struct user_namespace *to, kuid_t kuid)
+ {
+ uid_t uid = from_kuid(to, kuid);
+diff -NurpP --minimal linux-3.18.5/include/linux/vroot.h linux-3.18.5-vs2.3.7.3/include/linux/vroot.h
+--- linux-3.18.5/include/linux/vroot.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vroot.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,51 @@
+
-+ if (mp->m_flags & XFS_MOUNT_RDONLY)
-+ return XFS_ERROR(EROFS);
++/*
++ * include/linux/vroot.h
++ *
++ * written by Herbert Pötzl, 9/11/2002
++ * ported to 2.6 by Herbert Pötzl, 30/12/2004
++ *
++ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Redistribution of this file is permitted under the
++ * GNU General Public License.
++ */
+
-+ /*
-+ * we acquire the inode lock and do an error checking pass.
-+ */
-+ tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
-+ code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0);
-+ if (code)
-+ goto error_return;
++#ifndef _LINUX_VROOT_H
++#define _LINUX_VROOT_H
+
-+ lock_flags = XFS_ILOCK_EXCL;
-+ xfs_ilock(ip, lock_flags);
+
-+ xfs_trans_ijoin(tp, ip, lock_flags);
-+ xfs_trans_ihold(tp, ip);
++#ifdef __KERNEL__
+
-+ xfs_get_inode_flags(ip);
-+ // xfs_diflags_to_linux(ip);
++/* Possible states of device */
++enum {
++ Vr_unbound,
++ Vr_bound,
++};
+
-+ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
-+ xfs_ichgtime(ip, XFS_ICHGTIME_CHG);
++struct vroot_device {
++ int vr_number;
++ int vr_refcnt;
+
-+ XFS_STATS_INC(xs_ig_attrchg);
++ struct semaphore vr_ctl_mutex;
++ struct block_device *vr_device;
++ int vr_state;
++};
+
-+ /*
-+ * If this is a synchronous mount, make sure that the
-+ * transaction goes to disk before returning to the user.
-+ */
-+ if (mp->m_flags & XFS_MOUNT_WSYNC)
-+ xfs_trans_set_sync(tp);
-+ code = xfs_trans_commit(tp, 0);
-+ xfs_iunlock(ip, lock_flags);
+
-+ if (code)
-+ return code;
-+ return 0;
++typedef struct block_device *(vroot_grb_func)(struct block_device *);
+
-+ error_return:
-+ xfs_trans_cancel(tp, 0);
-+ if (lock_flags)
-+ xfs_iunlock(ip, lock_flags);
-+ return code;
-+}
-+
- int
- xfs_setattr(
- struct xfs_inode *ip,
-@@ -91,6 +174,7 @@ xfs_setattr(
- uint commit_flags=0;
- uid_t uid=0, iuid=0;
- gid_t gid=0, igid=0;
-+ tag_t tag=0, itag=0;
- int timeflags = 0;
- struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2;
- int file_owner;
-@@ -238,7 +322,7 @@ xfs_setattr(
- * and can change the group id only to a group of which he
- * or she is a member.
- */
-- if (mask & (ATTR_UID|ATTR_GID)) {
-+ if (mask & (ATTR_UID|ATTR_GID|ATTR_TAG)) {
- /*
- * These IDs could have changed since we last looked at them.
- * But, we're assured that if the ownership did change
-@@ -247,8 +331,10 @@ xfs_setattr(
- */
- iuid = ip->i_d.di_uid;
- igid = ip->i_d.di_gid;
-+ itag = ip->i_d.di_tag;
- gid = (mask & ATTR_GID) ? iattr->ia_gid : igid;
- uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid;
-+ tag = (mask & ATTR_TAG) ? iattr->ia_tag : itag;
-
- /*
- * CAP_CHOWN overrides the following restrictions:
-@@ -272,7 +358,9 @@ xfs_setattr(
- * going to change.
- */
- if ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) ||
-- (XFS_IS_GQUOTA_ON(mp) && igid != gid)) {
-+ (XFS_IS_GQUOTA_ON(mp) && igid != gid) ||
-+ (XFS_IS_GQUOTA_ON(mp) && itag != tag)) {
-+ /* TODO: handle tagging? */
- ASSERT(tp);
- code = XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, udqp, gdqp,
- capable(CAP_FOWNER) ?
-@@ -461,7 +549,7 @@ xfs_setattr(
- * and can change the group id only to a group of which he
- * or she is a member.
- */
-- if (mask & (ATTR_UID|ATTR_GID)) {
-+ if (mask & (ATTR_UID|ATTR_GID|ATTR_TAG)) {
- /*
- * CAP_FSETID overrides the following restrictions:
- *
-@@ -477,6 +565,10 @@ xfs_setattr(
- * Change the ownerships and register quota modifications
- * in the transaction.
- */
-+ if (itag != tag) {
-+ ip->i_d.di_tag = tag;
-+ inode->i_tag = tag;
-+ }
- if (iuid != uid) {
- if (XFS_IS_UQUOTA_ON(mp)) {
- ASSERT(mask & ATTR_UID);
-diff -NurpP --minimal linux-2.6.27.33/fs/xfs/xfs_vnodeops.h linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_vnodeops.h
---- linux-2.6.27.33/fs/xfs/xfs_vnodeops.h 2008-10-13 14:52:06.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/fs/xfs/xfs_vnodeops.h 2008-11-12 18:42:03.000000000 +0100
-@@ -15,6 +15,7 @@ struct xfs_iomap;
-
-
- int xfs_open(struct xfs_inode *ip);
-+int xfs_sync_xflags(struct xfs_inode *ip);
- int xfs_setattr(struct xfs_inode *ip, struct iattr *vap, int flags,
- struct cred *credp);
- #define XFS_ATTR_DMI 0x01 /* invocation from a DMI function */
-diff -NurpP --minimal linux-2.6.27.33/include/asm-generic/tlb.h linux-2.6.27.33-vs2.3.0.36.6/include/asm-generic/tlb.h
---- linux-2.6.27.33/include/asm-generic/tlb.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/asm-generic/tlb.h 2008-10-13 14:54:20.000000000 +0200
-@@ -14,6 +14,7 @@
- #define _ASM_GENERIC__TLB_H
-
- #include <linux/swap.h>
-+#include <linux/vs_memory.h>
- #include <asm/pgalloc.h>
- #include <asm/tlbflush.h>
-
-diff -NurpP --minimal linux-2.6.27.33/include/asm-x86/unistd_64.h linux-2.6.27.33-vs2.3.0.36.6/include/asm-x86/unistd_64.h
---- linux-2.6.27.33/include/asm-x86/unistd_64.h 2008-10-13 14:52:08.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/asm-x86/unistd_64.h 2008-10-13 14:54:20.000000000 +0200
-@@ -535,7 +535,7 @@ __SYSCALL(__NR_tgkill, sys_tgkill)
- #define __NR_utimes 235
- __SYSCALL(__NR_utimes, sys_utimes)
- #define __NR_vserver 236
--__SYSCALL(__NR_vserver, sys_ni_syscall)
-+__SYSCALL(__NR_vserver, sys_vserver)
- #define __NR_mbind 237
- __SYSCALL(__NR_mbind, sys_mbind)
- #define __NR_set_mempolicy 238
-diff -NurpP --minimal linux-2.6.27.33/include/linux/capability.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/capability.h
---- linux-2.6.27.33/include/linux/capability.h 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/capability.h 2009-05-15 22:57:04.000000000 +0200
-@@ -274,6 +274,7 @@ typedef struct kernel_cap_struct {
- arbitrary SCSI commands */
- /* Allow setting encryption key on loopback filesystem */
- /* Allow setting zone reclaim policy */
-+/* Allow the selection of a security context */
-
- #define CAP_SYS_ADMIN 21
-
-@@ -346,7 +347,13 @@ typedef struct kernel_cap_struct {
-
- #define CAP_MAC_ADMIN 33
-
--#define CAP_LAST_CAP CAP_MAC_ADMIN
-+/* Allow context manipulations */
-+/* Allow changing context info on files */
++extern int register_vroot_grb(vroot_grb_func *);
++extern int unregister_vroot_grb(vroot_grb_func *);
+
-+#define CAP_CONTEXT 34
++#endif /* __KERNEL__ */
+
-+
-+#define CAP_LAST_CAP CAP_CONTEXT
-
- #define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
-
-diff -NurpP --minimal linux-2.6.27.33/include/linux/devpts_fs.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/devpts_fs.h
---- linux-2.6.27.33/include/linux/devpts_fs.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/devpts_fs.h 2008-10-13 14:54:20.000000000 +0200
-@@ -34,5 +34,4 @@ static inline void devpts_pty_kill(int n
-
- #endif
-
--
- #endif /* _LINUX_DEVPTS_FS_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/ext2_fs.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/ext2_fs.h
---- linux-2.6.27.33/include/linux/ext2_fs.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/ext2_fs.h 2008-10-13 14:54:20.000000000 +0200
-@@ -189,8 +189,12 @@ struct ext2_group_desc
- #define EXT2_NOTAIL_FL FS_NOTAIL_FL /* file tail should not be merged */
- #define EXT2_DIRSYNC_FL FS_DIRSYNC_FL /* dirsync behaviour (directories only) */
- #define EXT2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
-+#define EXT2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
- #define EXT2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
-
-+#define EXT2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
-+#define EXT2_COW_FL FS_COW_FL /* Copy on Write marker */
-+
- #define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
- #define EXT2_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
-
-@@ -247,7 +251,7 @@ struct ext2_inode {
- struct {
- __u8 l_i_frag; /* Fragment number */
- __u8 l_i_fsize; /* Fragment size */
-- __u16 i_pad1;
-+ __u16 l_i_tag; /* Context Tag */
- __le16 l_i_uid_high; /* these 2 fields */
- __le16 l_i_gid_high; /* were reserved2[0] */
- __u32 l_i_reserved2;
-@@ -279,6 +283,7 @@ struct ext2_inode {
- #define i_gid_low i_gid
- #define i_uid_high osd2.linux2.l_i_uid_high
- #define i_gid_high osd2.linux2.l_i_gid_high
-+#define i_raw_tag osd2.linux2.l_i_tag
- #define i_reserved2 osd2.linux2.l_i_reserved2
- #endif
-
-@@ -323,6 +328,7 @@ struct ext2_inode {
- #define EXT2_MOUNT_USRQUOTA 0x020000 /* user quota */
- #define EXT2_MOUNT_GRPQUOTA 0x040000 /* group quota */
- #define EXT2_MOUNT_RESERVATION 0x080000 /* Preallocation */
-+#define EXT2_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
-
-
- #define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt
-diff -NurpP --minimal linux-2.6.27.33/include/linux/ext3_fs.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/ext3_fs.h
---- linux-2.6.27.33/include/linux/ext3_fs.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/ext3_fs.h 2008-10-31 18:15:18.000000000 +0100
-@@ -173,10 +173,14 @@ struct ext3_group_desc
- #define EXT3_NOTAIL_FL 0x00008000 /* file tail should not be merged */
- #define EXT3_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
- #define EXT3_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
-+#define EXT3_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
- #define EXT3_RESERVED_FL 0x80000000 /* reserved for ext3 lib */
-
--#define EXT3_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
--#define EXT3_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
-+#define EXT3_BARRIER_FL 0x04000000 /* Barrier for chroot() */
-+#define EXT3_COW_FL 0x20000000 /* Copy on Write marker */
-+
-+#define EXT3_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
-+#define EXT3_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
-
- /*
- * Inode dynamic state flags
-@@ -292,7 +296,7 @@ struct ext3_inode {
- struct {
- __u8 l_i_frag; /* Fragment number */
- __u8 l_i_fsize; /* Fragment size */
-- __u16 i_pad1;
-+ __u16 l_i_tag; /* Context Tag */
- __le16 l_i_uid_high; /* these 2 fields */
- __le16 l_i_gid_high; /* were reserved2[0] */
- __u32 l_i_reserved2;
-@@ -326,6 +330,7 @@ struct ext3_inode {
- #define i_gid_low i_gid
- #define i_uid_high osd2.linux2.l_i_uid_high
- #define i_gid_high osd2.linux2.l_i_gid_high
-+#define i_raw_tag osd2.linux2.l_i_tag
- #define i_reserved2 osd2.linux2.l_i_reserved2
-
- #elif defined(__GNU__)
-@@ -380,6 +385,7 @@ struct ext3_inode {
- #define EXT3_MOUNT_QUOTA 0x80000 /* Some quota option set */
- #define EXT3_MOUNT_USRQUOTA 0x100000 /* "old" user quota */
- #define EXT3_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
-+#define EXT3_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
-
- /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
- #ifndef _LINUX_EXT2_FS_H
-@@ -822,6 +828,7 @@ struct buffer_head * ext3_bread (handle_
- int ext3_get_blocks_handle(handle_t *handle, struct inode *inode,
- sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result,
- int create, int extend_disksize);
-+extern int ext3_sync_flags(struct inode *inode);
-
- extern struct inode *ext3_iget(struct super_block *, unsigned long);
- extern int ext3_write_inode (struct inode *, int);
-diff -NurpP --minimal linux-2.6.27.33/include/linux/fs.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/fs.h
---- linux-2.6.27.33/include/linux/fs.h 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/fs.h 2009-03-25 14:32:29.000000000 +0100
-@@ -133,6 +133,9 @@ extern int dir_notify_enable;
- #define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */
- #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
- #define MS_I_VERSION (1<<23) /* Update inode I_version field */
-+#define MS_TAGGED (1<<24) /* use generic inode tagging */
-+#define MS_TAGID (1<<25) /* use specific tag for this mount */
-+#define MS_NOTAGCHECK (1<<26) /* don't check tags */
- #define MS_ACTIVE (1<<30)
- #define MS_NOUSER (1<<31)
-
-@@ -159,6 +162,14 @@ extern int dir_notify_enable;
- #define S_NOCMTIME 128 /* Do not update file c/mtime */
- #define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */
- #define S_PRIVATE 512 /* Inode is fs-internal */
-+#define S_IXUNLINK 1024 /* Immutable Invert on unlink */
-+
-+/* Linux-VServer related Inode flags */
-+
-+#define V_VALID 1
-+#define V_XATTR 2
-+#define V_BARRIER 4 /* Barrier for chroot() */
-+#define V_COW 8 /* Copy on Write */
-
- /*
- * Note that nosuid etc flags are inode-specific: setting some file-system
-@@ -181,12 +192,15 @@ extern int dir_notify_enable;
- #define IS_DIRSYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \
- ((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
- #define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
--#define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
--#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
-+#define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
-+#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
-+#define IS_TAGGED(inode) __IS_FLG(inode, MS_TAGGED)
-
- #define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
- #define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
- #define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
-+#define IS_IXUNLINK(inode) ((inode)->i_flags & S_IXUNLINK)
-+#define IS_IXORUNLINK(inode) ((IS_IXUNLINK(inode) ? S_IMMUTABLE : 0) ^ IS_IMMUTABLE(inode))
- #define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
-
- #define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
-@@ -194,6 +208,16 @@ extern int dir_notify_enable;
- #define IS_SWAPFILE(inode) ((inode)->i_flags & S_SWAPFILE)
- #define IS_PRIVATE(inode) ((inode)->i_flags & S_PRIVATE)
-
-+#define IS_BARRIER(inode) (S_ISDIR((inode)->i_mode) && ((inode)->i_vflags & V_BARRIER))
-+
-+#ifdef CONFIG_VSERVER_COWBL
-+# define IS_COW(inode) (IS_IXUNLINK(inode) && IS_IMMUTABLE(inode))
-+# define IS_COW_LINK(inode) (S_ISREG((inode)->i_mode) && ((inode)->i_nlink > 1))
-+#else
-+# define IS_COW(inode) (0)
-+# define IS_COW_LINK(inode) (0)
-+#endif
-+
- /* the read-only stuff doesn't really belong here, but any other place is
- probably as bad and I don't want to create yet another include file. */
-
-@@ -267,11 +291,14 @@ extern int dir_notify_enable;
- #define FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
- #define FS_EXTENT_FL 0x00080000 /* Extents */
- #define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */
-+#define FS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
- #define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */
-
--#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
--#define FS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
-+#define FS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
-+#define FS_COW_FL 0x20000000 /* Copy on Write marker */
-
-+#define FS_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
-+#define FS_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
-
- #define SYNC_FILE_RANGE_WAIT_BEFORE 1
- #define SYNC_FILE_RANGE_WRITE 2
-@@ -342,6 +369,7 @@ typedef void (dio_iodone_t)(struct kiocb
- #define ATTR_KILL_PRIV (1 << 14)
- #define ATTR_OPEN (1 << 15) /* Truncating from open(O_TRUNC) */
- #define ATTR_TIMES_SET (1 << 16)
-+#define ATTR_TAG (1 << 17)
-
- /*
- * This is the Inode Attributes structure, used for notify_change(). It
-@@ -357,6 +385,7 @@ struct iattr {
- umode_t ia_mode;
- uid_t ia_uid;
- gid_t ia_gid;
-+ tag_t ia_tag;
- loff_t ia_size;
- struct timespec ia_atime;
- struct timespec ia_mtime;
-@@ -370,6 +399,9 @@ struct iattr {
- struct file *ia_file;
- };
-
-+#define ATTR_FLAG_BARRIER 512 /* Barrier for chroot() */
-+#define ATTR_FLAG_IXUNLINK 1024 /* Immutable invert on unlink */
-+
- /*
- * Includes for diskquotas.
- */
-@@ -634,7 +666,9 @@ struct inode {
- unsigned int i_nlink;
- uid_t i_uid;
- gid_t i_gid;
-+ tag_t i_tag;
- dev_t i_rdev;
-+ dev_t i_mdev;
- u64 i_version;
- loff_t i_size;
- #ifdef __NEED_I_SIZE_ORDERED
-@@ -682,7 +716,8 @@ struct inode {
- unsigned long i_state;
- unsigned long dirtied_when; /* jiffies of first dirtying */
-
-- unsigned int i_flags;
-+ unsigned short i_flags;
-+ unsigned short i_vflags;
-
- atomic_t i_writecount;
- #ifdef CONFIG_SECURITY
-@@ -769,12 +804,12 @@ static inline void i_size_write(struct i
-
- static inline unsigned iminor(const struct inode *inode)
- {
-- return MINOR(inode->i_rdev);
-+ return MINOR(inode->i_mdev);
- }
-
- static inline unsigned imajor(const struct inode *inode)
- {
-- return MAJOR(inode->i_rdev);
-+ return MAJOR(inode->i_mdev);
- }
-
- extern struct block_device *I_BDEV(struct inode *inode);
-@@ -832,6 +867,7 @@ struct file {
- loff_t f_pos;
- struct fown_struct f_owner;
- unsigned int f_uid, f_gid;
-+ xid_t f_xid;
- struct file_ra_state f_ra;
-
- u64 f_version;
-@@ -966,6 +1002,7 @@ struct file_lock {
- struct file *fl_file;
- loff_t fl_start;
- loff_t fl_end;
-+ xid_t fl_xid;
-
- struct fasync_struct * fl_fasync; /* for lease break notifications */
- unsigned long fl_break_time; /* for nonblocking lease breaks */
-@@ -1294,6 +1331,7 @@ struct inode_operations {
- void (*truncate_range)(struct inode *, loff_t, loff_t);
- long (*fallocate)(struct inode *inode, int mode, loff_t offset,
- loff_t len);
-+ int (*sync_flags) (struct inode *);
- };
-
- struct seq_file;
-@@ -1309,6 +1347,7 @@ extern ssize_t vfs_readv(struct file *,
- unsigned long, loff_t *);
- extern ssize_t vfs_writev(struct file *, const struct iovec __user *,
- unsigned long, loff_t *);
-+ssize_t vfs_sendfile(struct file *, struct file *, loff_t *, size_t, loff_t);
-
- struct super_operations {
- struct inode *(*alloc_inode)(struct super_block *sb);
-@@ -1999,6 +2038,7 @@ extern int dcache_dir_open(struct inode
- extern int dcache_dir_close(struct inode *, struct file *);
- extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
- extern int dcache_readdir(struct file *, void *, filldir_t);
-+extern int dcache_readdir_filter(struct file *, void *, filldir_t, int (*)(struct dentry *));
- extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
- extern int simple_statfs(struct dentry *, struct kstatfs *);
- extern int simple_link(struct dentry *, struct inode *, struct dentry *);
-diff -NurpP --minimal linux-2.6.27.33/include/linux/if_tun.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/if_tun.h
---- linux-2.6.27.33/include/linux/if_tun.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/if_tun.h 2008-10-13 14:54:20.000000000 +0200
-@@ -46,6 +46,7 @@
- #define TUNSETOFFLOAD _IOW('T', 208, unsigned int)
- #define TUNSETTXFILTER _IOW('T', 209, unsigned int)
- #define TUNGETIFF _IOR('T', 210, unsigned int)
-+#define TUNSETNID _IOW('T', 215, int)
-
- /* TUNSETIFF ifr flags */
- #define IFF_TUN 0x0001
-diff -NurpP --minimal linux-2.6.27.33/include/linux/init_task.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/init_task.h
---- linux-2.6.27.33/include/linux/init_task.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/init_task.h 2008-10-13 14:54:20.000000000 +0200
-@@ -179,6 +179,10 @@ extern struct group_info init_groups;
- INIT_IDS \
- INIT_TRACE_IRQFLAGS \
- INIT_LOCKDEP \
-+ .xid = 0, \
-+ .vx_info = NULL, \
-+ .nid = 0, \
-+ .nx_info = NULL, \
- }
-
-
-diff -NurpP --minimal linux-2.6.27.33/include/linux/interrupt.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/interrupt.h
---- linux-2.6.27.33/include/linux/interrupt.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/interrupt.h 2008-10-13 14:54:20.000000000 +0200
-@@ -8,8 +8,8 @@
- #include <linux/preempt.h>
- #include <linux/cpumask.h>
- #include <linux/irqreturn.h>
--#include <linux/hardirq.h>
- #include <linux/sched.h>
-+#include <linux/hardirq.h>
- #include <linux/irqflags.h>
- #include <asm/atomic.h>
- #include <asm/ptrace.h>
-diff -NurpP --minimal linux-2.6.27.33/include/linux/ipc.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/ipc.h
---- linux-2.6.27.33/include/linux/ipc.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/ipc.h 2008-10-13 14:54:20.000000000 +0200
-@@ -93,6 +93,7 @@ struct kern_ipc_perm
- key_t key;
- uid_t uid;
- gid_t gid;
-+ xid_t xid;
- uid_t cuid;
- gid_t cgid;
- mode_t mode;
-diff -NurpP --minimal linux-2.6.27.33/include/linux/Kbuild linux-2.6.27.33-vs2.3.0.36.6/include/linux/Kbuild
---- linux-2.6.27.33/include/linux/Kbuild 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/Kbuild 2009-02-03 18:03:38.000000000 +0100
-@@ -370,3 +370,6 @@ unifdef-y += xattr.h
- unifdef-y += xfrm.h
-
- objhdr-y += version.h
-+
-+header-y += vserver/
-+
-diff -NurpP --minimal linux-2.6.27.33/include/linux/loop.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/loop.h
---- linux-2.6.27.33/include/linux/loop.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/loop.h 2008-10-13 14:54:20.000000000 +0200
-@@ -45,6 +45,7 @@ struct loop_device {
- struct loop_func_table *lo_encryption;
- __u32 lo_init[2];
- uid_t lo_key_owner; /* Who set the key */
-+ xid_t lo_xid;
- int (*ioctl)(struct loop_device *, int cmd,
- unsigned long arg);
-
-diff -NurpP --minimal linux-2.6.27.33/include/linux/magic.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/magic.h
---- linux-2.6.27.33/include/linux/magic.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/magic.h 2008-10-13 14:54:20.000000000 +0200
-@@ -3,7 +3,7 @@
-
- #define ADFS_SUPER_MAGIC 0xadf5
- #define AFFS_SUPER_MAGIC 0xadff
--#define AFS_SUPER_MAGIC 0x5346414F
-+#define AFS_SUPER_MAGIC 0x5346414F
- #define AUTOFS_SUPER_MAGIC 0x0187
- #define CODA_SUPER_MAGIC 0x73757245
- #define EFS_SUPER_MAGIC 0x414A53
-@@ -26,6 +26,7 @@
- #define NFS_SUPER_MAGIC 0x6969
- #define OPENPROM_SUPER_MAGIC 0x9fa1
- #define PROC_SUPER_MAGIC 0x9fa0
-+#define DEVPTS_SUPER_MAGIC 0x1cd1
- #define QNX4_SUPER_MAGIC 0x002f /* qnx4 fs detection */
-
- #define REISERFS_SUPER_MAGIC 0x52654973 /* used by gcc */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/major.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/major.h
---- linux-2.6.27.33/include/linux/major.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/major.h 2008-10-13 14:54:20.000000000 +0200
-@@ -15,6 +15,7 @@
- #define HD_MAJOR IDE0_MAJOR
- #define PTY_SLAVE_MAJOR 3
- #define TTY_MAJOR 4
-+#define VROOT_MAJOR 4
- #define TTYAUX_MAJOR 5
- #define LP_MAJOR 6
- #define VCS_MAJOR 7
-diff -NurpP --minimal linux-2.6.27.33/include/linux/mm_types.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/mm_types.h
---- linux-2.6.27.33/include/linux/mm_types.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/mm_types.h 2008-10-13 14:54:20.000000000 +0200
-@@ -216,6 +216,7 @@ struct mm_struct {
-
- /* Architecture-specific MM context */
- mm_context_t context;
-+ struct vx_info *mm_vx_info;
-
- /* Swap token stuff */
- /*
-diff -NurpP --minimal linux-2.6.27.33/include/linux/mount.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/mount.h
---- linux-2.6.27.33/include/linux/mount.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/mount.h 2008-10-24 03:34:52.000000000 +0200
-@@ -37,6 +37,9 @@ struct mnt_namespace;
- #define MNT_UNBINDABLE 0x2000 /* if the vfsmount is a unbindable mount */
- #define MNT_PNODE_MASK 0x3000 /* propagation flag mask */
-
-+#define MNT_TAGID 0x10000
-+#define MNT_NOTAG 0x20000
-+
- struct vfsmount {
- struct list_head mnt_hash;
- struct vfsmount *mnt_parent; /* fs we are mounted on */
-@@ -71,6 +74,7 @@ struct vfsmount {
- * are held, and all mnt_writer[]s on this mount have 0 as their ->count
- */
- atomic_t __mnt_writers;
-+ tag_t mnt_tag; /* tagging used for vfsmount */
- };
-
- static inline struct vfsmount *mntget(struct vfsmount *mnt)
-diff -NurpP --minimal linux-2.6.27.33/include/linux/net.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/net.h
---- linux-2.6.27.33/include/linux/net.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/net.h 2008-10-13 14:54:20.000000000 +0200
-@@ -68,6 +68,7 @@ struct net;
- #define SOCK_NOSPACE 2
- #define SOCK_PASSCRED 3
- #define SOCK_PASSSEC 4
-+#define SOCK_USER_SOCKET 5
-
- #ifndef ARCH_HAS_SOCKET_TYPES
- /**
-diff -NurpP --minimal linux-2.6.27.33/include/linux/nfs_mount.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/nfs_mount.h
---- linux-2.6.27.33/include/linux/nfs_mount.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/nfs_mount.h 2008-10-13 14:54:20.000000000 +0200
-@@ -63,6 +63,7 @@ struct nfs_mount_data {
- #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 */
- #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
- #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
--#define NFS_MOUNT_FLAGMASK 0xFFFF
-+#define NFS_MOUNT_TAGGED 0x10000 /* context tagging */
-+#define NFS_MOUNT_FLAGMASK 0x1FFFF
-
- #endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/nsproxy.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/nsproxy.h
---- linux-2.6.27.33/include/linux/nsproxy.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/nsproxy.h 2008-10-13 14:54:20.000000000 +0200
-@@ -3,6 +3,7 @@
-
- #include <linux/spinlock.h>
- #include <linux/sched.h>
-+#include <linux/vserver/debug.h>
-
- struct mnt_namespace;
- struct uts_namespace;
-@@ -63,22 +64,33 @@ static inline struct nsproxy *task_nspro
- }
-
- int copy_namespaces(unsigned long flags, struct task_struct *tsk);
-+struct nsproxy *copy_nsproxy(struct nsproxy *orig);
- void exit_task_namespaces(struct task_struct *tsk);
- void switch_task_namespaces(struct task_struct *tsk, struct nsproxy *new);
- void free_nsproxy(struct nsproxy *ns);
- int unshare_nsproxy_namespaces(unsigned long, struct nsproxy **,
- struct fs_struct *);
-
--static inline void put_nsproxy(struct nsproxy *ns)
-+#define get_nsproxy(n) __get_nsproxy(n, __FILE__, __LINE__)
-+
-+static inline void __get_nsproxy(struct nsproxy *ns,
-+ const char *_file, int _line)
- {
-- if (atomic_dec_and_test(&ns->count)) {
-- free_nsproxy(ns);
-- }
-+ vxlprintk(VXD_CBIT(space, 0), "get_nsproxy(%p[%u])",
-+ ns, atomic_read(&ns->count), _file, _line);
-+ atomic_inc(&ns->count);
- }
-
--static inline void get_nsproxy(struct nsproxy *ns)
-+#define put_nsproxy(n) __put_nsproxy(n, __FILE__, __LINE__)
-+
-+static inline void __put_nsproxy(struct nsproxy *ns,
-+ const char *_file, int _line)
- {
-- atomic_inc(&ns->count);
-+ vxlprintk(VXD_CBIT(space, 0), "put_nsproxy(%p[%u])",
-+ ns, atomic_read(&ns->count), _file, _line);
-+ if (atomic_dec_and_test(&ns->count)) {
-+ free_nsproxy(ns);
-+ }
- }
-
- #ifdef CONFIG_CGROUP_NS
-diff -NurpP --minimal linux-2.6.27.33/include/linux/pid.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/pid.h
---- linux-2.6.27.33/include/linux/pid.h 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/pid.h 2009-02-22 22:58:33.000000000 +0100
-@@ -8,7 +8,8 @@ enum pid_type
- PIDTYPE_PID,
- PIDTYPE_PGID,
- PIDTYPE_SID,
-- PIDTYPE_MAX
-+ PIDTYPE_MAX,
-+ PIDTYPE_REALPID
- };
-
- /*
-@@ -160,6 +161,7 @@ static inline pid_t pid_nr(struct pid *p
- }
-
- pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns);
-+pid_t pid_unmapped_nr_ns(struct pid *pid, struct pid_namespace *ns);
- pid_t pid_vnr(struct pid *pid);
-
- #define do_each_pid_task(pid, type, task) \
-diff -NurpP --minimal linux-2.6.27.33/include/linux/proc_fs.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/proc_fs.h
---- linux-2.6.27.33/include/linux/proc_fs.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/proc_fs.h 2008-10-13 14:54:20.000000000 +0200
-@@ -59,6 +59,7 @@ struct proc_dir_entry {
- nlink_t nlink;
- uid_t uid;
- gid_t gid;
-+ int vx_flags;
- loff_t size;
- const struct inode_operations *proc_iops;
- /*
-@@ -274,12 +275,18 @@ static inline void kclist_add(struct kco
- extern void kclist_add(struct kcore_list *, void *, size_t);
- #endif
-
-+struct vx_info;
-+struct nx_info;
-+
- union proc_op {
- int (*proc_get_link)(struct inode *, struct path *);
- int (*proc_read)(struct task_struct *task, char *page);
- int (*proc_show)(struct seq_file *m,
- struct pid_namespace *ns, struct pid *pid,
- struct task_struct *task);
-+ int (*proc_vs_read)(char *page);
-+ int (*proc_vxi_read)(struct vx_info *vxi, char *page);
-+ int (*proc_nxi_read)(struct nx_info *nxi, char *page);
- };
-
- struct ctl_table_header;
-@@ -287,6 +294,7 @@ struct ctl_table;
-
- struct proc_inode {
- struct pid *pid;
-+ int vx_flags;
- int fd;
- union proc_op op;
- struct proc_dir_entry *pde;
-diff -NurpP --minimal linux-2.6.27.33/include/linux/reiserfs_fs.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/reiserfs_fs.h
---- linux-2.6.27.33/include/linux/reiserfs_fs.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/reiserfs_fs.h 2008-10-13 14:54:20.000000000 +0200
-@@ -837,6 +837,11 @@ struct stat_data_v1 {
- #define REISERFS_COMPR_FL FS_COMPR_FL
- #define REISERFS_NOTAIL_FL FS_NOTAIL_FL
-
-+/* unfortunately reiserfs sdattr is only 16 bit */
-+#define REISERFS_IXUNLINK_FL (FS_IXUNLINK_FL >> 16)
-+#define REISERFS_BARRIER_FL (FS_BARRIER_FL >> 16)
-+#define REISERFS_COW_FL (FS_COW_FL >> 16)
-+
- /* persistent flags that file inherits from the parent directory */
- #define REISERFS_INHERIT_MASK ( REISERFS_IMMUTABLE_FL | \
- REISERFS_SYNC_FL | \
-@@ -846,6 +851,9 @@ struct stat_data_v1 {
- REISERFS_COMPR_FL | \
- REISERFS_NOTAIL_FL )
-
-+#define REISERFS_FL_USER_VISIBLE 0x80FF
-+#define REISERFS_FL_USER_MODIFIABLE 0x80FF
-+
- /* Stat Data on disk (reiserfs version of UFS disk inode minus the
- address blocks) */
- struct stat_data {
-@@ -1911,6 +1919,7 @@ static inline void reiserfs_update_sd(st
- void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode);
- void i_attrs_to_sd_attrs(struct inode *inode, __u16 * sd_attrs);
- int reiserfs_setattr(struct dentry *dentry, struct iattr *attr);
-+int reiserfs_sync_flags(struct inode *inode);
-
- /* namei.c */
- void set_de_name_and_namelen(struct reiserfs_dir_entry *de);
-diff -NurpP --minimal linux-2.6.27.33/include/linux/reiserfs_fs_sb.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/reiserfs_fs_sb.h
---- linux-2.6.27.33/include/linux/reiserfs_fs_sb.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/reiserfs_fs_sb.h 2008-10-13 14:54:20.000000000 +0200
-@@ -455,6 +455,7 @@ enum reiserfs_mount_options {
- REISERFS_POSIXACL,
- REISERFS_BARRIER_NONE,
- REISERFS_BARRIER_FLUSH,
-+ REISERFS_TAGGED,
-
- /* Actions on error */
- REISERFS_ERROR_PANIC,
-diff -NurpP --minimal linux-2.6.27.33/include/linux/sched.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/sched.h
---- linux-2.6.27.33/include/linux/sched.h 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/sched.h 2009-05-15 22:57:04.000000000 +0200
-@@ -71,7 +71,6 @@ struct sched_param {
- #include <linux/fs_struct.h>
- #include <linux/compiler.h>
- #include <linux/completion.h>
--#include <linux/pid.h>
- #include <linux/percpu.h>
- #include <linux/topology.h>
- #include <linux/proportions.h>
-@@ -88,6 +87,7 @@ struct sched_param {
- #include <linux/kobject.h>
- #include <linux/latencytop.h>
- #include <linux/cred.h>
-+#include <linux/pid.h>
-
- #include <asm/processor.h>
-
-@@ -175,12 +175,13 @@ extern unsigned long long time_sync_thre
- #define TASK_UNINTERRUPTIBLE 2
- #define __TASK_STOPPED 4
- #define __TASK_TRACED 8
-+#define TASK_ONHOLD 16
- /* in tsk->exit_state */
--#define EXIT_ZOMBIE 16
--#define EXIT_DEAD 32
-+#define EXIT_ZOMBIE 32
-+#define EXIT_DEAD 64
- /* in tsk->state again */
--#define TASK_DEAD 64
--#define TASK_WAKEKILL 128
-+#define TASK_DEAD 128
-+#define TASK_WAKEKILL 256
-
- /* Convenience macros for the sake of set_task_state */
- #define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE)
-@@ -358,25 +359,27 @@ extern void arch_unmap_area_topdown(stru
- * The mm counters are not protected by its page_table_lock,
- * so must be incremented atomically.
- */
--#define set_mm_counter(mm, member, value) atomic_long_set(&(mm)->_##member, value)
--#define get_mm_counter(mm, member) ((unsigned long)atomic_long_read(&(mm)->_##member))
--#define add_mm_counter(mm, member, value) atomic_long_add(value, &(mm)->_##member)
--#define inc_mm_counter(mm, member) atomic_long_inc(&(mm)->_##member)
--#define dec_mm_counter(mm, member) atomic_long_dec(&(mm)->_##member)
--
-+#define __set_mm_counter(mm, member, value) \
-+ atomic_long_set(&(mm)->_##member, value)
-+#define get_mm_counter(mm, member) \
-+ ((unsigned long)atomic_long_read(&(mm)->_##member))
- #else /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */
- /*
- * The mm counters are protected by its page_table_lock,
- * so can be incremented directly.
- */
--#define set_mm_counter(mm, member, value) (mm)->_##member = (value)
-+#define __set_mm_counter(mm, member, value) (mm)->_##member = (value)
- #define get_mm_counter(mm, member) ((mm)->_##member)
--#define add_mm_counter(mm, member, value) (mm)->_##member += (value)
--#define inc_mm_counter(mm, member) (mm)->_##member++
--#define dec_mm_counter(mm, member) (mm)->_##member--
-
- #endif /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */
-
-+#define set_mm_counter(mm, member, value) \
-+ vx_ ## member ## pages_sub((mm), (get_mm_counter(mm, member) - value))
-+#define add_mm_counter(mm, member, value) \
-+ vx_ ## member ## pages_add((mm), (value))
-+#define inc_mm_counter(mm, member) vx_ ## member ## pages_inc((mm))
-+#define dec_mm_counter(mm, member) vx_ ## member ## pages_dec((mm))
-+
- #define get_mm_rss(mm) \
- (get_mm_counter(mm, file_rss) + get_mm_counter(mm, anon_rss))
- #define update_hiwater_rss(mm) do { \
-@@ -1048,7 +1051,9 @@ struct task_struct {
- const struct sched_class *sched_class;
- struct sched_entity se;
- struct sched_rt_entity rt;
--
-+#ifdef CONFIG_VSERVER_HARDCPU
-+ struct list_head hq;
-+#endif
- #ifdef CONFIG_PREEMPT_NOTIFIERS
- /* list of struct preempt_notifier: */
- struct hlist_head preempt_notifiers;
-@@ -1200,6 +1205,14 @@ struct task_struct {
- #endif
- seccomp_t seccomp;
-
-+/* vserver context data */
-+ struct vx_info *vx_info;
-+ struct nx_info *nx_info;
-+
-+ xid_t xid;
-+ nid_t nid;
-+ tag_t tag;
-+
- /* Thread group tracking */
- u32 parent_exec_id;
- u32 self_exec_id;
-@@ -1386,6 +1399,11 @@ struct pid_namespace;
- * see also pid_nr() etc in include/linux/pid.h
- */
-
-+#include <linux/vserver/base.h>
-+#include <linux/vserver/context.h>
-+#include <linux/vserver/debug.h>
-+#include <linux/vserver/pid.h>
-+
- static inline pid_t task_pid_nr(struct task_struct *tsk)
- {
- return tsk->pid;
-@@ -1395,7 +1413,7 @@ pid_t task_pid_nr_ns(struct task_struct
-
- static inline pid_t task_pid_vnr(struct task_struct *tsk)
- {
-- return pid_vnr(task_pid(tsk));
-+ return vx_map_pid(pid_vnr(task_pid(tsk)));
- }
-
-
-@@ -1408,7 +1426,7 @@ pid_t task_tgid_nr_ns(struct task_struct
-
- static inline pid_t task_tgid_vnr(struct task_struct *tsk)
- {
-- return pid_vnr(task_tgid(tsk));
-+ return vx_map_tgid(pid_vnr(task_tgid(tsk)));
- }
-
-
-diff -NurpP --minimal linux-2.6.27.33/include/linux/shmem_fs.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/shmem_fs.h
---- linux-2.6.27.33/include/linux/shmem_fs.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/shmem_fs.h 2008-10-13 14:54:20.000000000 +0200
-@@ -8,6 +8,9 @@
-
- #define SHMEM_NR_DIRECT 16
-
-+#define TMPFS_SUPER_MAGIC 0x01021994
-+
-+
- struct shmem_inode_info {
- spinlock_t lock;
- unsigned long flags;
-diff -NurpP --minimal linux-2.6.27.33/include/linux/stat.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/stat.h
---- linux-2.6.27.33/include/linux/stat.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/stat.h 2008-10-13 14:54:20.000000000 +0200
-@@ -66,6 +66,7 @@ struct kstat {
- unsigned int nlink;
- uid_t uid;
- gid_t gid;
-+ tag_t tag;
- dev_t rdev;
- loff_t size;
- struct timespec atime;
-diff -NurpP --minimal linux-2.6.27.33/include/linux/sunrpc/auth.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/sunrpc/auth.h
---- linux-2.6.27.33/include/linux/sunrpc/auth.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/sunrpc/auth.h 2008-10-13 14:54:20.000000000 +0200
-@@ -25,6 +25,7 @@
- struct auth_cred {
- uid_t uid;
- gid_t gid;
-+ tag_t tag;
- struct group_info *group_info;
- unsigned char machine_cred : 1;
- };
-diff -NurpP --minimal linux-2.6.27.33/include/linux/sunrpc/clnt.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/sunrpc/clnt.h
---- linux-2.6.27.33/include/linux/sunrpc/clnt.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/sunrpc/clnt.h 2008-10-13 14:54:20.000000000 +0200
-@@ -43,7 +43,8 @@ struct rpc_clnt {
- unsigned int cl_softrtry : 1,/* soft timeouts */
- cl_discrtry : 1,/* disconnect before retry */
- cl_autobind : 1,/* use getport() */
-- cl_chatty : 1;/* be verbose */
-+ cl_chatty : 1,/* be verbose */
-+ cl_tag : 1;/* context tagging */
-
- struct rpc_rtt * cl_rtt; /* RTO estimator data */
- const struct rpc_timeout *cl_timeout; /* Timeout strategy */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/syscalls.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/syscalls.h
---- linux-2.6.27.33/include/linux/syscalls.h 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/syscalls.h 2009-02-22 22:58:33.000000000 +0100
-@@ -364,6 +364,8 @@ asmlinkage long sys_symlink(const char _
- asmlinkage long sys_unlink(const char __user *pathname);
- asmlinkage long sys_rename(const char __user *oldname,
- const char __user *newname);
-+asmlinkage long sys_copyfile(const char __user *from, const char __user *to,
-+ umode_t mode);
- asmlinkage long sys_chmod(const char __user *filename, mode_t mode);
- asmlinkage long sys_fchmod(unsigned int fd, mode_t mode);
-
-diff -NurpP --minimal linux-2.6.27.33/include/linux/sysctl.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/sysctl.h
---- linux-2.6.27.33/include/linux/sysctl.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/sysctl.h 2008-10-13 14:54:20.000000000 +0200
-@@ -70,6 +70,7 @@ enum
- CTL_ABI=9, /* Binary emulation */
- CTL_CPU=10, /* CPU stuff (speed scaling, etc) */
- CTL_ARLAN=254, /* arlan wireless driver */
-+ CTL_VSERVER=4242, /* Linux-VServer debug */
- CTL_S390DBF=5677, /* s390 debug */
- CTL_SUNRPC=7249, /* sunrpc debug */
- CTL_PM=9899, /* frv power management */
-@@ -104,6 +105,7 @@ enum
-
- KERN_PANIC=15, /* int: panic timeout */
- KERN_REALROOTDEV=16, /* real root device to mount after initrd */
-+ KERN_VSHELPER=17, /* string: path to vshelper policy agent */
-
- KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
- KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/sysfs.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/sysfs.h
---- linux-2.6.27.33/include/linux/sysfs.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/sysfs.h 2008-10-13 14:54:20.000000000 +0200
-@@ -17,6 +17,8 @@
- #include <linux/list.h>
- #include <asm/atomic.h>
-
-+#define SYSFS_SUPER_MAGIC 0x62656572
-+
- struct kobject;
- struct module;
-
-diff -NurpP --minimal linux-2.6.27.33/include/linux/time.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/time.h
---- linux-2.6.27.33/include/linux/time.h 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/time.h 2009-02-03 17:59:04.000000000 +0100
-@@ -180,6 +180,9 @@ static __always_inline void timespec_add
- a->tv_sec += __iter_div_u64_rem(a->tv_nsec + ns, NSEC_PER_SEC, &ns);
- a->tv_nsec = ns;
- }
-+
-+#include <linux/vs_time.h>
-+
- #endif /* __KERNEL__ */
-
- #define NFDBITS __NFDBITS
-diff -NurpP --minimal linux-2.6.27.33/include/linux/types.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/types.h
---- linux-2.6.27.33/include/linux/types.h 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/types.h 2008-10-13 14:54:20.000000000 +0200
-@@ -36,6 +36,9 @@ typedef __kernel_uid32_t uid_t;
- typedef __kernel_gid32_t gid_t;
- typedef __kernel_uid16_t uid16_t;
- typedef __kernel_gid16_t gid16_t;
-+typedef unsigned int xid_t;
-+typedef unsigned int nid_t;
-+typedef unsigned int tag_t;
-
- typedef unsigned long uintptr_t;
-
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vroot.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vroot.h
---- linux-2.6.27.33/include/linux/vroot.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vroot.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,51 @@
-+
-+/*
-+ * include/linux/vroot.h
-+ *
-+ * written by Herbert Pötzl, 9/11/2002
-+ * ported to 2.6 by Herbert Pötzl, 30/12/2004
-+ *
-+ * Copyright (C) 2002-2007 by Herbert Pötzl.
-+ * Redistribution of this file is permitted under the
-+ * GNU General Public License.
-+ */
-+
-+#ifndef _LINUX_VROOT_H
-+#define _LINUX_VROOT_H
-+
-+
-+#ifdef __KERNEL__
-+
-+/* Possible states of device */
-+enum {
-+ Vr_unbound,
-+ Vr_bound,
-+};
-+
-+struct vroot_device {
-+ int vr_number;
-+ int vr_refcnt;
-+
-+ struct semaphore vr_ctl_mutex;
-+ struct block_device *vr_device;
-+ int vr_state;
-+};
-+
-+
-+typedef struct block_device *(vroot_grb_func)(struct block_device *);
-+
-+extern int register_vroot_grb(vroot_grb_func *);
-+extern int unregister_vroot_grb(vroot_grb_func *);
-+
-+#endif /* __KERNEL__ */
-+
-+#define MAX_VROOT_DEFAULT 8
++#define MAX_VROOT_DEFAULT 8
+
+/*
+ * IOCTL commands --- we will commandeer 0x56 ('V')
+#define VROOT_CLR_DEV 0x5601
+
+#endif /* _LINUX_VROOT_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_base.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_base.h
---- linux-2.6.27.33/include/linux/vs_base.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_base.h 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_base.h linux-3.18.5-vs2.3.7.3/include/linux/vs_base.h
+--- linux-3.18.5/include/linux/vs_base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_base.h 2015-01-19 10:58:04.000000000 +0000
@@ -0,0 +1,10 @@
+#ifndef _VS_BASE_H
+#define _VS_BASE_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_context.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_context.h
---- linux-2.6.27.33/include/linux/vs_context.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_context.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,227 @@
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_context.h linux-3.18.5-vs2.3.7.3/include/linux/vs_context.h
+--- linux-3.18.5/include/linux/vs_context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_context.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,242 @@
+#ifndef _VS_CONTEXT_H
+#define _VS_CONTEXT_H
+
+static inline void __enter_vx_admin(struct vx_info_save *vxis)
+{
+ vxis->vxi = xchg(¤t->vx_info, NULL);
-+ vxis->xid = xchg(¤t->xid, (xid_t)0);
++ vxis->xid = xchg(¤t->xid, (vxid_t)0);
+}
+
+static inline void __leave_vx_admin(struct vx_info_save *vxis)
+ (void)xchg(¤t->vx_info, vxis->vxi);
+}
+
++#define task_is_init(p) \
++ __task_is_init(p, __FILE__, __LINE__, __HERE__)
++
++static inline int __task_is_init(struct task_struct *p,
++ const char *_file, int _line, void *_here)
++{
++ int is_init = is_global_init(p);
++
++ task_lock(p);
++ if (p->vx_info)
++ is_init = p->vx_info->vx_initpid == p->pid;
++ task_unlock(p);
++ return is_init;
++}
++
+extern void exit_vx_info(struct task_struct *, int);
+extern void exit_vx_info_early(struct task_struct *, int);
+
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_cowbl.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_cowbl.h
---- linux-2.6.27.33/include/linux/vs_cowbl.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_cowbl.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,47 @@
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_cowbl.h linux-3.18.5-vs2.3.7.3/include/linux/vs_cowbl.h
+--- linux-3.18.5/include/linux/vs_cowbl.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_cowbl.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,48 @@
+#ifndef _VS_COWBL_H
+#define _VS_COWBL_H
+
+#include <linux/fs.h>
+#include <linux/dcache.h>
+#include <linux/namei.h>
++#include <linux/slab.h>
+
+extern struct dentry *cow_break_link(const char *pathname);
+
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_cvirt.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_cvirt.h
---- linux-2.6.27.33/include/linux/vs_cvirt.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_cvirt.h 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_cvirt.h linux-3.18.5-vs2.3.7.3/include/linux/vs_cvirt.h
+--- linux-3.18.5/include/linux/vs_cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_cvirt.h 2015-01-19 10:58:04.000000000 +0000
@@ -0,0 +1,50 @@
+#ifndef _VS_CVIRT_H
+#define _VS_CVIRT_H
+ }
+}
+
-+static inline void vx_uninterruptible_inc(struct task_struct *p)
-+{
-+ struct vx_info *vxi;
++static inline void vx_uninterruptible_inc(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info))
++ atomic_inc(&vxi->cvirt.nr_uninterruptible);
++}
++
++static inline void vx_uninterruptible_dec(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info))
++ atomic_dec(&vxi->cvirt.nr_uninterruptible);
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_device.h linux-3.18.5-vs2.3.7.3/include/linux/vs_device.h
+--- linux-3.18.5/include/linux/vs_device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_device.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,45 @@
++#ifndef _VS_DEVICE_H
++#define _VS_DEVICE_H
++
++#include "vserver/base.h"
++#include "vserver/device.h"
++#include "vserver/debug.h"
++
++
++#ifdef CONFIG_VSERVER_DEVICE
++
++int vs_map_device(struct vx_info *, dev_t, dev_t *, umode_t);
++
++#define vs_device_perm(v, d, m, p) \
++ ((vs_map_device(current_vx_info(), d, NULL, m) & (p)) == (p))
++
++#else
++
++static inline
++int vs_map_device(struct vx_info *vxi,
++ dev_t device, dev_t *target, umode_t mode)
++{
++ if (target)
++ *target = device;
++ return ~0;
++}
++
++#define vs_device_perm(v, d, m, p) ((p) == (p))
++
++#endif
++
++
++#define vs_map_chrdev(d, t, p) \
++ ((vs_map_device(current_vx_info(), d, t, S_IFCHR) & (p)) == (p))
++#define vs_map_blkdev(d, t, p) \
++ ((vs_map_device(current_vx_info(), d, t, S_IFBLK) & (p)) == (p))
++
++#define vs_chrdev_perm(d, p) \
++ vs_device_perm(current_vx_info(), d, S_IFCHR, p)
++#define vs_blkdev_perm(d, p) \
++ vs_device_perm(current_vx_info(), d, S_IFBLK, p)
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_dlimit.h linux-3.18.5-vs2.3.7.3/include/linux/vs_dlimit.h
+--- linux-3.18.5/include/linux/vs_dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_dlimit.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,215 @@
++#ifndef _VS_DLIMIT_H
++#define _VS_DLIMIT_H
++
++#include <linux/fs.h>
++
++#include "vserver/dlimit.h"
++#include "vserver/base.h"
++#include "vserver/debug.h"
++
++
++#define get_dl_info(i) __get_dl_info(i, __FILE__, __LINE__)
++
++static inline struct dl_info *__get_dl_info(struct dl_info *dli,
++ const char *_file, int _line)
++{
++ if (!dli)
++ return NULL;
++ vxlprintk(VXD_CBIT(dlim, 4), "get_dl_info(%p[#%d.%d])",
++ dli, dli ? dli->dl_tag : 0,
++ dli ? atomic_read(&dli->dl_usecnt) : 0,
++ _file, _line);
++ atomic_inc(&dli->dl_usecnt);
++ return dli;
++}
++
++
++#define free_dl_info(i) \
++ call_rcu(&(i)->dl_rcu, rcu_free_dl_info)
++
++#define put_dl_info(i) __put_dl_info(i, __FILE__, __LINE__)
++
++static inline void __put_dl_info(struct dl_info *dli,
++ const char *_file, int _line)
++{
++ if (!dli)
++ return;
++ vxlprintk(VXD_CBIT(dlim, 4), "put_dl_info(%p[#%d.%d])",
++ dli, dli ? dli->dl_tag : 0,
++ dli ? atomic_read(&dli->dl_usecnt) : 0,
++ _file, _line);
++ if (atomic_dec_and_test(&dli->dl_usecnt))
++ free_dl_info(dli);
++}
++
++
++#define __dlimit_char(d) ((d) ? '*' : ' ')
++
++static inline int __dl_alloc_space(struct super_block *sb,
++ vtag_t tag, dlsize_t nr, const char *file, int line)
++{
++ struct dl_info *dli = NULL;
++ int ret = 0;
++
++ if (nr == 0)
++ goto out;
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ ret = (dli->dl_space_used + nr > dli->dl_space_total);
++ if (!ret)
++ dli->dl_space_used += nr;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 1),
++ "ALLOC (%p,#%d)%c %lld bytes (%d)",
++ sb, tag, __dlimit_char(dli), (long long)nr,
++ ret, file, line);
++ return ret ? -ENOSPC : 0;
++}
++
++static inline void __dl_free_space(struct super_block *sb,
++ vtag_t tag, dlsize_t nr, const char *_file, int _line)
++{
++ struct dl_info *dli = NULL;
++
++ if (nr == 0)
++ goto out;
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_space_used > nr)
++ dli->dl_space_used -= nr;
++ else
++ dli->dl_space_used = 0;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 1),
++ "FREE (%p,#%d)%c %lld bytes",
++ sb, tag, __dlimit_char(dli), (long long)nr,
++ _file, _line);
++}
++
++static inline int __dl_alloc_inode(struct super_block *sb,
++ vtag_t tag, const char *_file, int _line)
++{
++ struct dl_info *dli;
++ int ret = 0;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ dli->dl_inodes_used++;
++ ret = (dli->dl_inodes_used > dli->dl_inodes_total);
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 0),
++ "ALLOC (%p,#%d)%c inode (%d)",
++ sb, tag, __dlimit_char(dli), ret, _file, _line);
++ return ret ? -ENOSPC : 0;
++}
++
++static inline void __dl_free_inode(struct super_block *sb,
++ vtag_t tag, const char *_file, int _line)
++{
++ struct dl_info *dli;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_inodes_used > 1)
++ dli->dl_inodes_used--;
++ else
++ dli->dl_inodes_used = 0;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 0),
++ "FREE (%p,#%d)%c inode",
++ sb, tag, __dlimit_char(dli), _file, _line);
++}
++
++static inline void __dl_adjust_block(struct super_block *sb, vtag_t tag,
++ unsigned long long *free_blocks, unsigned long long *root_blocks,
++ const char *_file, int _line)
++{
++ struct dl_info *dli;
++ uint64_t broot, bfree;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ return;
++
++ spin_lock(&dli->dl_lock);
++ broot = (dli->dl_space_total -
++ (dli->dl_space_total >> 10) * dli->dl_nrlmult)
++ >> sb->s_blocksize_bits;
++ bfree = (dli->dl_space_total - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++ spin_unlock(&dli->dl_lock);
++
++ vxlprintk(VXD_CBIT(dlim, 2),
++ "ADJUST: %lld,%lld on %lld,%lld [mult=%d]",
++ (long long)bfree, (long long)broot,
++ *free_blocks, *root_blocks, dli->dl_nrlmult,
++ _file, _line);
++ if (free_blocks) {
++ if (*free_blocks > bfree)
++ *free_blocks = bfree;
++ }
++ if (root_blocks) {
++ if (*root_blocks > broot)
++ *root_blocks = broot;
++ }
++ put_dl_info(dli);
++}
++
++#define dl_prealloc_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_alloc_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_reserve_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_claim_space(in, bytes) (0)
++
++#define dl_release_space(in, bytes) \
++ __dl_free_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_free_space(in, bytes) \
++ __dl_free_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++
+
-+ if ((vxi = p->vx_info))
-+ atomic_inc(&vxi->cvirt.nr_uninterruptible);
-+}
++#define dl_alloc_inode(in) \
++ __dl_alloc_inode((in)->i_sb, i_tag_read(in), __FILE__, __LINE__ )
+
-+static inline void vx_uninterruptible_dec(struct task_struct *p)
-+{
-+ struct vx_info *vxi;
++#define dl_free_inode(in) \
++ __dl_free_inode((in)->i_sb, i_tag_read(in), __FILE__, __LINE__ )
+
-+ if ((vxi = p->vx_info))
-+ atomic_dec(&vxi->cvirt.nr_uninterruptible);
-+}
++
++#define dl_adjust_block(sb, tag, fb, rb) \
++ __dl_adjust_block(sb, tag, fb, rb, __FILE__, __LINE__ )
+
+
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_device.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_device.h
---- linux-2.6.27.33/include/linux/vs_device.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_device.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,45 @@
-+#ifndef _VS_DEVICE_H
-+#define _VS_DEVICE_H
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_inet.h linux-3.18.5-vs2.3.7.3/include/linux/vs_inet.h
+--- linux-3.18.5/include/linux/vs_inet.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_inet.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,364 @@
++#ifndef _VS_INET_H
++#define _VS_INET_H
+
+#include "vserver/base.h"
-+#include "vserver/device.h"
++#include "vserver/network.h"
+#include "vserver/debug.h"
+
++#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
+
-+#ifdef CONFIG_VSERVER_DEVICE
++#define NXAV4(a) NIPQUAD((a)->ip[0]), NIPQUAD((a)->ip[1]), \
++ NIPQUAD((a)->mask), (a)->type
++#define NXAV4_FMT "[" NIPQUAD_FMT "-" NIPQUAD_FMT "/" NIPQUAD_FMT ":%04x]"
+
-+int vs_map_device(struct vx_info *, dev_t, dev_t *, umode_t);
++#define NIPQUAD(addr) \
++ ((unsigned char *)&addr)[0], \
++ ((unsigned char *)&addr)[1], \
++ ((unsigned char *)&addr)[2], \
++ ((unsigned char *)&addr)[3]
+
-+#define vs_device_perm(v, d, m, p) \
-+ ((vs_map_device(current_vx_info(), d, NULL, m) & (p)) == (p))
++#define NIPQUAD_FMT "%u.%u.%u.%u"
+
-+#else
+
+static inline
-+int vs_map_device(struct vx_info *vxi,
-+ dev_t device, dev_t *target, umode_t mode)
++int v4_addr_match(struct nx_addr_v4 *nxa, __be32 addr, uint16_t tmask)
+{
-+ if (target)
-+ *target = device;
-+ return ~0;
-+}
-+
-+#define vs_device_perm(v, d, m, p) ((p) == (p))
++ __be32 ip = nxa->ip[0].s_addr;
++ __be32 mask = nxa->mask.s_addr;
++ __be32 bcast = ip | ~mask;
++ int ret = 0;
+
-+#endif
++ switch (nxa->type & tmask) {
++ case NXA_TYPE_MASK:
++ ret = (ip == (addr & mask));
++ break;
++ case NXA_TYPE_ADDR:
++ ret = 3;
++ if (addr == ip)
++ break;
++ /* fall through to broadcast */
++ case NXA_MOD_BCAST:
++ ret = ((tmask & NXA_MOD_BCAST) && (addr == bcast));
++ break;
++ case NXA_TYPE_RANGE:
++ ret = ((nxa->ip[0].s_addr <= addr) &&
++ (nxa->ip[1].s_addr > addr));
++ break;
++ case NXA_TYPE_ANY:
++ ret = 2;
++ break;
++ }
+
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_match(%p" NXAV4_FMT "," NIPQUAD_FMT ",%04x) = %d",
++ nxa, NXAV4(nxa), NIPQUAD(addr), tmask, ret);
++ return ret;
++}
+
-+#define vs_map_chrdev(d, t, p) \
-+ ((vs_map_device(current_vx_info(), d, t, S_IFCHR) & (p)) == (p))
-+#define vs_map_blkdev(d, t, p) \
-+ ((vs_map_device(current_vx_info(), d, t, S_IFBLK) & (p)) == (p))
++static inline
++int v4_addr_in_nx_info(struct nx_info *nxi, __be32 addr, uint16_t tmask)
++{
++ struct nx_addr_v4 *nxa;
++ unsigned long irqflags;
++ int ret = 1;
+
-+#define vs_chrdev_perm(d, p) \
-+ vs_device_perm(current_vx_info(), d, S_IFCHR, p)
-+#define vs_blkdev_perm(d, p) \
-+ vs_device_perm(current_vx_info(), d, S_IFBLK, p)
++ if (!nxi)
++ goto out;
+
++ ret = 2;
++ /* allow 127.0.0.1 when remapping lback */
++ if ((tmask & NXA_LOOPBACK) &&
++ (addr == IPI_LOOPBACK) &&
++ nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ goto out;
++ ret = 3;
++ /* check for lback address */
++ if ((tmask & NXA_MOD_LBACK) &&
++ (nxi->v4_lback.s_addr == addr))
++ goto out;
++ ret = 4;
++ /* check for broadcast address */
++ if ((tmask & NXA_MOD_BCAST) &&
++ (nxi->v4_bcast.s_addr == addr))
++ goto out;
++ ret = 5;
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_dlimit.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_dlimit.h
---- linux-2.6.27.33/include/linux/vs_dlimit.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_dlimit.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,211 @@
-+#ifndef _VS_DLIMIT_H
-+#define _VS_DLIMIT_H
++ /* check for v4 addresses */
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (nxa = &nxi->v4; nxa; nxa = nxa->next)
++ if (v4_addr_match(nxa, addr, tmask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_in_nx_info(%p[#%u]," NIPQUAD_FMT ",%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(addr), tmask, ret);
++ return ret;
++}
+
-+#include <linux/fs.h>
++static inline
++int v4_nx_addr_match(struct nx_addr_v4 *nxa, struct nx_addr_v4 *addr, uint16_t mask)
++{
++ /* FIXME: needs full range checks */
++ return v4_addr_match(nxa, addr->ip[0].s_addr, mask);
++}
+
-+#include "vserver/dlimit.h"
-+#include "vserver/base.h"
-+#include "vserver/debug.h"
++static inline
++int v4_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v4 *nxa, uint16_t mask)
++{
++ struct nx_addr_v4 *ptr;
++ unsigned long irqflags;
++ int ret = 1;
+
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (ptr = &nxi->v4; ptr; ptr = ptr->next)
++ if (v4_nx_addr_match(ptr, nxa, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ return ret;
++}
+
-+#define get_dl_info(i) __get_dl_info(i, __FILE__, __LINE__)
++#include <net/inet_sock.h>
+
-+static inline struct dl_info *__get_dl_info(struct dl_info *dli,
-+ const char *_file, int _line)
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
++static inline
++int v4_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ __be32 addr)
+{
-+ if (!dli)
-+ return NULL;
-+ vxlprintk(VXD_CBIT(dlim, 4), "get_dl_info(%p[#%d.%d])",
-+ dli, dli ? dli->dl_tag : 0,
-+ dli ? atomic_read(&dli->dl_usecnt) : 0,
-+ _file, _line);
-+ atomic_inc(&dli->dl_usecnt);
-+ return dli;
++ __be32 saddr = inet->inet_rcv_saddr;
++ __be32 bcast = nxi ? nxi->v4_bcast.s_addr : INADDR_BROADCAST;
++
++ if (addr && (saddr == addr || bcast == addr))
++ return 1;
++ if (!saddr)
++ return v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND);
++ return 0;
+}
+
+
-+#define free_dl_info(i) \
-+ call_rcu(&(i)->dl_rcu, rcu_free_dl_info)
++/* inet related checks and helpers */
+
-+#define put_dl_info(i) __put_dl_info(i, __FILE__, __LINE__)
+
-+static inline void __put_dl_info(struct dl_info *dli,
-+ const char *_file, int _line)
-+{
-+ if (!dli)
-+ return;
-+ vxlprintk(VXD_CBIT(dlim, 4), "put_dl_info(%p[#%d.%d])",
-+ dli, dli ? dli->dl_tag : 0,
-+ dli ? atomic_read(&dli->dl_usecnt) : 0,
-+ _file, _line);
-+ if (atomic_dec_and_test(&dli->dl_usecnt))
-+ free_dl_info(dli);
-+}
++struct in_ifaddr;
++struct net_device;
++struct sock;
+
++#ifdef CONFIG_INET
+
-+#define __dlimit_char(d) ((d) ? '*' : ' ')
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_sock.h>
++#include <net/inet_timewait_sock.h>
+
-+static inline int __dl_alloc_space(struct super_block *sb,
-+ tag_t tag, dlsize_t nr, const char *file, int line)
-+{
-+ struct dl_info *dli = NULL;
-+ int ret = 0;
+
-+ if (nr == 0)
-+ goto out;
-+ dli = locate_dl_info(sb, tag);
-+ if (!dli)
-+ goto out;
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v4_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v4_addr_conflict(struct nx_info *, struct nx_info *);
+
-+ spin_lock(&dli->dl_lock);
-+ ret = (dli->dl_space_used + nr > dli->dl_space_total);
-+ if (!ret)
-+ dli->dl_space_used += nr;
-+ spin_unlock(&dli->dl_lock);
-+ put_dl_info(dli);
-+out:
-+ vxlprintk(VXD_CBIT(dlim, 1),
-+ "ALLOC (%p,#%d)%c %lld bytes (%d)",
-+ sb, tag, __dlimit_char(dli), (long long)nr,
-+ ret, file, line);
-+ return ret;
-+}
+
-+static inline void __dl_free_space(struct super_block *sb,
-+ tag_t tag, dlsize_t nr, const char *_file, int _line)
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
++
++static inline
++int __v4_addr_match_socket(const struct sock *sk, struct nx_addr_v4 *nxa)
+{
-+ struct dl_info *dli = NULL;
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = sk->sk_rcv_saddr;
+
-+ if (nr == 0)
-+ goto out;
-+ dli = locate_dl_info(sb, tag);
-+ if (!dli)
-+ goto out;
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v4_addr_in_socket(%p," NXAV4_FMT ") %p:" NIPQUAD_FMT " %p;%lx",
++ sk, NXAV4(nxa), nxi, NIPQUAD(saddr), sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
+
-+ spin_lock(&dli->dl_lock);
-+ if (dli->dl_space_used > nr)
-+ dli->dl_space_used -= nr;
-+ else
-+ dli->dl_space_used = 0;
-+ spin_unlock(&dli->dl_lock);
-+ put_dl_info(dli);
-+out:
-+ vxlprintk(VXD_CBIT(dlim, 1),
-+ "FREE (%p,#%d)%c %lld bytes",
-+ sb, tag, __dlimit_char(dli), (long long)nr,
-+ _file, _line);
++ if (saddr) { /* direct address match */
++ return v4_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v4_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
+}
+
-+static inline int __dl_alloc_inode(struct super_block *sb,
-+ tag_t tag, const char *_file, int _line)
-+{
-+ struct dl_info *dli;
-+ int ret = 0;
-+
-+ dli = locate_dl_info(sb, tag);
-+ if (!dli)
-+ goto out;
+
-+ spin_lock(&dli->dl_lock);
-+ ret = (dli->dl_inodes_used >= dli->dl_inodes_total);
-+ if (!ret)
-+ dli->dl_inodes_used++;
-+ spin_unlock(&dli->dl_lock);
-+ put_dl_info(dli);
-+out:
-+ vxlprintk(VXD_CBIT(dlim, 0),
-+ "ALLOC (%p,#%d)%c inode (%d)",
-+ sb, tag, __dlimit_char(dli), ret, _file, _line);
-+ return ret;
-+}
+
-+static inline void __dl_free_inode(struct super_block *sb,
-+ tag_t tag, const char *_file, int _line)
++static inline
++int nx_dev_visible(struct nx_info *nxi, struct net_device *dev)
+{
-+ struct dl_info *dli;
-+
-+ dli = locate_dl_info(sb, tag);
-+ if (!dli)
-+ goto out;
++ vxdprintk(VXD_CBIT(net, 1),
++ "nx_dev_visible(%p[#%u],%p " VS_Q("%s") ") %d",
++ nxi, nxi ? nxi->nx_id : 0, dev, dev->name,
++ nxi ? dev_in_nx_info(dev, nxi) : 0);
+
-+ spin_lock(&dli->dl_lock);
-+ if (dli->dl_inodes_used > 1)
-+ dli->dl_inodes_used--;
-+ else
-+ dli->dl_inodes_used = 0;
-+ spin_unlock(&dli->dl_lock);
-+ put_dl_info(dli);
-+out:
-+ vxlprintk(VXD_CBIT(dlim, 0),
-+ "FREE (%p,#%d)%c inode",
-+ sb, tag, __dlimit_char(dli), _file, _line);
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (dev_in_nx_info(dev, nxi))
++ return 1;
++ return 0;
+}
+
-+static inline void __dl_adjust_block(struct super_block *sb, tag_t tag,
-+ unsigned long long *free_blocks, unsigned long long *root_blocks,
-+ const char *_file, int _line)
-+{
-+ struct dl_info *dli;
-+ uint64_t broot, bfree;
+
-+ dli = locate_dl_info(sb, tag);
-+ if (!dli)
-+ return;
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *ifa, struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW);
++}
+
-+ spin_lock(&dli->dl_lock);
-+ broot = (dli->dl_space_total -
-+ (dli->dl_space_total >> 10) * dli->dl_nrlmult)
-+ >> sb->s_blocksize_bits;
-+ bfree = (dli->dl_space_total - dli->dl_space_used)
-+ >> sb->s_blocksize_bits;
-+ spin_unlock(&dli->dl_lock);
++static inline
++int nx_v4_ifa_visible(struct nx_info *nxi, struct in_ifaddr *ifa)
++{
++ vxdprintk(VXD_CBIT(net, 1), "nx_v4_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v4_ifa_in_nx_info(ifa, nxi) : 0);
+
-+ vxlprintk(VXD_CBIT(dlim, 2),
-+ "ADJUST: %lld,%lld on %lld,%lld [mult=%d]",
-+ (long long)bfree, (long long)broot,
-+ *free_blocks, *root_blocks, dli->dl_nrlmult,
-+ _file, _line);
-+ if (free_blocks) {
-+ if (*free_blocks > bfree)
-+ *free_blocks = bfree;
-+ }
-+ if (root_blocks) {
-+ if (*root_blocks > broot)
-+ *root_blocks = broot;
-+ }
-+ put_dl_info(dli);
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v4_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
+}
+
-+#define DLIMIT_ALLOC_SPACE(in, bytes) \
-+ __dl_alloc_space((in)->i_sb, (in)->i_tag, (dlsize_t)(bytes), \
-+ __FILE__, __LINE__ )
+
-+#define DLIMIT_FREE_SPACE(in, bytes) \
-+ __dl_free_space((in)->i_sb, (in)->i_tag, (dlsize_t)(bytes), \
-+ __FILE__, __LINE__ )
++struct nx_v4_sock_addr {
++ __be32 saddr; /* Address used for validation */
++ __be32 baddr; /* Address used for socket bind */
++};
+
-+#define DLIMIT_ALLOC_BLOCK(in, nr) \
-+ __dl_alloc_space((in)->i_sb, (in)->i_tag, \
-+ ((dlsize_t)(nr)) << (in)->i_sb->s_blocksize_bits, \
-+ __FILE__, __LINE__ )
++static inline
++int v4_map_sock_addr(struct inet_sock *inet, struct sockaddr_in *addr,
++ struct nx_v4_sock_addr *nsa)
++{
++ struct sock *sk = &inet->sk;
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = addr->sin_addr.s_addr;
++ __be32 baddr = saddr;
+
-+#define DLIMIT_FREE_BLOCK(in, nr) \
-+ __dl_free_space((in)->i_sb, (in)->i_tag, \
-+ ((dlsize_t)(nr)) << (in)->i_sb->s_blocksize_bits, \
-+ __FILE__, __LINE__ )
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p)* %p,%p;%lx " NIPQUAD_FMT,
++ sk, sk->sk_nx_info, sk->sk_socket,
++ (sk->sk_socket ? sk->sk_socket->flags : 0),
++ NIPQUAD(saddr));
+
++ if (nxi) {
++ if (saddr == INADDR_ANY) {
++ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0))
++ baddr = nxi->v4.ip[0].s_addr;
++ } else if (saddr == IPI_LOOPBACK) {
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ baddr = nxi->v4_lback.s_addr;
++ } else if (!ipv4_is_multicast(saddr) ||
++ !nx_info_ncaps(nxi, NXC_MULTICAST)) {
++ /* normal address bind */
++ if (!v4_addr_in_nx_info(nxi, saddr, NXA_MASK_BIND))
++ return -EADDRNOTAVAIL;
++ }
++ }
+
-+#define DLIMIT_ALLOC_INODE(in) \
-+ __dl_alloc_inode((in)->i_sb, (in)->i_tag, __FILE__, __LINE__ )
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p) " NIPQUAD_FMT ", " NIPQUAD_FMT,
++ sk, NIPQUAD(saddr), NIPQUAD(baddr));
+
-+#define DLIMIT_FREE_INODE(in) \
-+ __dl_free_inode((in)->i_sb, (in)->i_tag, __FILE__, __LINE__ )
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
+
++static inline
++void v4_set_sock_addr(struct inet_sock *inet, struct nx_v4_sock_addr *nsa)
++{
++ inet->inet_saddr = nsa->baddr;
++ inet->inet_rcv_saddr = nsa->baddr;
++}
+
-+#define DLIMIT_ADJUST_BLOCK(sb, tag, fb, rb) \
-+ __dl_adjust_block(sb, tag, fb, rb, __FILE__, __LINE__ )
+
++/*
++ * helper to simplify inet_lookup_listener
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ * saddr: socket address
++ */
++static inline int v4_inet_addr_match (
++ struct nx_info *nxi,
++ __be32 addr,
++ __be32 saddr)
++{
++ if (addr && (saddr == addr))
++ return 1;
++ if (!saddr)
++ return nxi ? v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND) : 1;
++ return 0;
++}
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/base.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/base.h
---- linux-2.6.27.33/include/linux/vserver/base.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/base.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,157 @@
-+#ifndef _VX_BASE_H
-+#define _VX_BASE_H
++static inline __be32 nx_map_sock_lback(struct nx_info *nxi, __be32 addr)
++{
++ if (nx_info_flags(nxi, NXF_HIDE_LBACK, 0) &&
++ (addr == nxi->v4_lback.s_addr))
++ return IPI_LOOPBACK;
++ return addr;
++}
+
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV4(nxi))
++ return 1;
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ return 1;
++ return 0;
++}
+
-+/* context state changes */
++#else /* CONFIG_INET */
+
-+enum {
-+ VSC_STARTUP = 1,
-+ VSC_SHUTDOWN,
++static inline
++int nx_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
+
-+ VSC_NETUP,
-+ VSC_NETDOWN,
-+};
++static inline
++int nx_v4_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
+
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
+
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ return 0;
++}
+
-+#define vx_task_xid(t) ((t)->xid)
++#endif /* CONFIG_INET */
+
-+#define vx_current_xid() vx_task_xid(current)
++#define current_nx_info_has_v4() \
++ nx_info_has_v4(current_nx_info())
+
-+#define current_vx_info() (current->vx_info)
++#else
++// #warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_inet6.h linux-3.18.5-vs2.3.7.3/include/linux/vs_inet6.h
+--- linux-3.18.5/include/linux/vs_inet6.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_inet6.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,257 @@
++#ifndef _VS_INET6_H
++#define _VS_INET6_H
+
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
+
-+#define nx_task_nid(t) ((t)->nid)
++#include <net/ipv6.h>
+
-+#define nx_current_nid() nx_task_nid(current)
++#define NXAV6(a) &(a)->ip, &(a)->mask, (a)->prefix, (a)->type
++#define NXAV6_FMT "[%pI6/%pI6/%d:%04x]"
+
-+#define current_nx_info() (current->nx_info)
+
++#ifdef CONFIG_IPV6
+
-+/* generic flag merging */
++static inline
++int v6_addr_match(struct nx_addr_v6 *nxa,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ int ret = 0;
+
-+#define vs_check_flags(v, m, f) (((v) & (m)) ^ (f))
++ switch (nxa->type & mask) {
++ case NXA_TYPE_MASK:
++ ret = ipv6_masked_addr_cmp(&nxa->ip, &nxa->mask, addr);
++ break;
++ case NXA_TYPE_ADDR:
++ ret = ipv6_addr_equal(&nxa->ip, addr);
++ break;
++ case NXA_TYPE_ANY:
++ ret = 1;
++ break;
++ }
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_match(%p" NXAV6_FMT ",%pI6,%04x) = %d",
++ nxa, NXAV6(nxa), addr, mask, ret);
++ return ret;
++}
+
-+#define vs_mask_flags(v, f, m) (((v) & ~(m)) | ((f) & (m)))
++static inline
++int v6_addr_in_nx_info(struct nx_info *nxi,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ struct nx_addr_v6 *nxa;
++ unsigned long irqflags;
++ int ret = 1;
+
-+#define vs_mask_mask(v, f, m) (((v) & ~(m)) | ((v) & (f) & (m)))
++ if (!nxi)
++ goto out;
+
-+#define vs_check_bit(v, n) ((v) & (1LL << (n)))
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (nxa = &nxi->v6; nxa; nxa = nxa->next)
++ if (v6_addr_match(nxa, addr, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_in_nx_info(%p[#%u],%pI6,%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, addr, mask, ret);
++ return ret;
++}
+
++static inline
++int v6_nx_addr_match(struct nx_addr_v6 *nxa, struct nx_addr_v6 *addr, uint16_t mask)
++{
++ /* FIXME: needs full range checks */
++ return v6_addr_match(nxa, &addr->ip, mask);
++}
+
-+/* context flags */
++static inline
++int v6_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v6 *nxa, uint16_t mask)
++{
++ struct nx_addr_v6 *ptr;
++ unsigned long irqflags;
++ int ret = 1;
+
-+#define __vx_flags(v) ((v) ? (v)->vx_flags : 0)
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (ptr = &nxi->v6; ptr; ptr = ptr->next)
++ if (v6_nx_addr_match(ptr, nxa, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ return ret;
++}
+
-+#define vx_current_flags() __vx_flags(current->vx_info)
+
-+#define vx_info_flags(v, m, f) \
-+ vs_check_flags(__vx_flags(v), m, f)
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
++static inline
++int v6_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ struct in6_addr *addr)
++{
++ struct sock *sk = &inet->sk;
++ const struct in6_addr *saddr = inet6_rcv_saddr(sk);
+
-+#define task_vx_flags(t, m, f) \
-+ ((t) && vx_info_flags((t)->vx_info, m, f))
++ if (!ipv6_addr_any(addr) &&
++ ipv6_addr_equal(saddr, addr))
++ return 1;
++ if (ipv6_addr_any(saddr))
++ return v6_addr_in_nx_info(nxi, addr, -1);
++ return 0;
++}
+
-+#define vx_flags(m, f) vx_info_flags(current->vx_info, m, f)
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
+
++static inline
++int __v6_addr_match_socket(const struct sock *sk, struct nx_addr_v6 *nxa)
++{
++ struct nx_info *nxi = sk->sk_nx_info;
++ const struct in6_addr *saddr = inet6_rcv_saddr(sk);
+
-+/* context caps */
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v6_addr_in_socket(%p," NXAV6_FMT ") %p:%pI6 %p;%lx",
++ sk, NXAV6(nxa), nxi, saddr, sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
+
-+#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0)
++ if (!ipv6_addr_any(saddr)) { /* direct address match */
++ return v6_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v6_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
++}
+
-+#define vx_current_ccaps() __vx_ccaps(current->vx_info)
+
-+#define vx_info_ccaps(v, c) (__vx_ccaps(v) & (c))
++/* inet related checks and helpers */
+
-+#define vx_ccaps(c) vx_info_ccaps(current->vx_info, (c))
+
++struct in_ifaddr;
++struct net_device;
++struct sock;
+
+
-+/* network flags */
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_timewait_sock.h>
+
-+#define __nx_flags(n) ((n) ? (n)->nx_flags : 0)
+
-+#define nx_current_flags() __nx_flags(current->nx_info)
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v6_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v6_addr_conflict(struct nx_info *, struct nx_info *);
+
-+#define nx_info_flags(n, m, f) \
-+ vs_check_flags(__nx_flags(n), m, f)
+
-+#define task_nx_flags(t, m, f) \
-+ ((t) && nx_info_flags((t)->nx_info, m, f))
+
-+#define nx_flags(m, f) nx_info_flags(current->nx_info, m, f)
++static inline
++int v6_ifa_in_nx_info(struct inet6_ifaddr *ifa, struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v6_addr_in_nx_info(nxi, &ifa->addr, -1);
++}
+
++static inline
++int nx_v6_ifa_visible(struct nx_info *nxi, struct inet6_ifaddr *ifa)
++{
++ vxdprintk(VXD_CBIT(net, 1), "nx_v6_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v6_ifa_in_nx_info(ifa, nxi) : 0);
+
-+/* network caps */
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v6_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
+
-+#define __nx_ncaps(n) ((n) ? (n)->nx_ncaps : 0)
+
-+#define nx_current_ncaps() __nx_ncaps(current->nx_info)
++struct nx_v6_sock_addr {
++ struct in6_addr saddr; /* Address used for validation */
++ struct in6_addr baddr; /* Address used for socket bind */
++};
+
-+#define nx_info_ncaps(n, c) (__nx_ncaps(n) & (c))
++static inline
++int v6_map_sock_addr(struct inet_sock *inet, struct sockaddr_in6 *addr,
++ struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct nx_info *nxi = sk->sk_nx_info;
++ struct in6_addr saddr = addr->sin6_addr;
++ struct in6_addr baddr = saddr;
+
-+#define nx_ncaps(c) nx_info_ncaps(current->nx_info, c)
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
+
++static inline
++void v6_set_sock_addr(struct inet_sock *inet, struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct in6_addr *saddr = inet6_rcv_saddr(sk);
+
-+/* context mask capabilities */
++ // *saddr = nsa->baddr;
++ // inet->inet_saddr = nsa->baddr;
++}
+
-+#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 )
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV6(nxi))
++ return 1;
++ return 0;
++}
+
-+#define vx_info_mcaps(v, c) (__vx_mcaps(v) & (c))
++#else /* CONFIG_IPV6 */
+
-+#define vx_mcaps(c) vx_info_mcaps(current->vx_info, c)
++static inline
++int nx_v6_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
+
+
-+/* context bcap mask */
++static inline
++int nx_v6_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
+
-+#define __vx_bcaps(v) ((v)->vx_bcaps)
++static inline
++int v6_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
+
-+#define vx_current_bcaps() __vx_bcaps(current->vx_info)
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ return 0;
++}
+
++#endif /* CONFIG_IPV6 */
+
-+/* mask given bcaps */
++#define current_nx_info_has_v6() \
++ nx_info_has_v6(current_nx_info())
+
-+#define vx_info_mbcaps(v, c) ((v) ? cap_intersect(__vx_bcaps(v), c) : c)
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_limit.h linux-3.18.5-vs2.3.7.3/include/linux/vs_limit.h
+--- linux-3.18.5/include/linux/vs_limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_limit.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,140 @@
++#ifndef _VS_LIMIT_H
++#define _VS_LIMIT_H
+
-+#define vx_mbcaps(c) vx_info_mbcaps(current->vx_info, c)
++#include "vserver/limit.h"
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/context.h"
++#include "vserver/limit_int.h"
+
+
-+/* masked cap_bset */
++#define vx_acc_cres(v, d, p, r) \
++ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
+
-+#define vx_info_cap_bset(v) vx_info_mbcaps(v, current->cap_bset)
++#define vx_acc_cres_cond(x, d, p, r) \
++ __vx_acc_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, d, p, __FILE__, __LINE__)
+
-+#define vx_current_cap_bset() vx_info_cap_bset(current->vx_info)
+
-+#if 0
-+#define vx_info_mbcap(v, b) \
-+ (!vx_info_flags(v, VXF_STATE_SETUP, 0) ? \
-+ vx_info_bcaps(v, b) : (b))
++#define vx_add_cres(v, a, p, r) \
++ __vx_add_cres(v, r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres(v, a, p, r) vx_add_cres(v, -(a), p, r)
+
-+#define task_vx_mbcap(t, b) \
-+ vx_info_mbcap((t)->vx_info, (t)->b)
++#define vx_add_cres_cond(x, a, p, r) \
++ __vx_add_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres_cond(x, a, p, r) vx_add_cres_cond(x, -(a), p, r)
+
-+#define vx_mbcap(b) task_vx_mbcap(current, b)
-+#endif
+
-+#define vx_cap_raised(v, c, f) cap_raised(vx_info_mbcaps(v, c), f)
++/* process and file limits */
+
-+#define vx_capable(b, c) (capable(b) || \
-+ (cap_raised(current->cap_effective, b) && vx_ccaps(c)))
++#define vx_nproc_inc(p) \
++ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
+
-+#define nx_capable(b, c) (capable(b) || \
-+ (cap_raised(current->cap_effective, b) && nx_ncaps(c)))
++#define vx_nproc_dec(p) \
++ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
+
-+#define vx_current_initpid(n) \
-+ (current->vx_info && \
-+ (current->vx_info->vx_initpid == (n)))
++#define vx_files_inc(f) \
++ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
+
++#define vx_files_dec(f) \
++ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
+
-+#define __vx_state(v) ((v) ? ((v)->vx_state) : 0)
++#define vx_locks_inc(l) \
++ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
+
-+#define vx_info_state(v, m) (__vx_state(v) & (m))
++#define vx_locks_dec(l) \
++ vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
+
++#define vx_openfd_inc(f) \
++ vx_acc_cres(current_vx_info(), 1, (void *)(long)(f), VLIMIT_OPENFD)
+
-+#define __nx_state(n) ((n) ? ((n)->nx_state) : 0)
++#define vx_openfd_dec(f) \
++ vx_acc_cres(current_vx_info(),-1, (void *)(long)(f), VLIMIT_OPENFD)
+
-+#define nx_info_state(n, m) (__nx_state(n) & (m))
+
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/cacct_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cacct_cmd.h
---- linux-2.6.27.33/include/linux/vserver/cacct_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cacct_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,23 @@
-+#ifndef _VX_CACCT_CMD_H
-+#define _VX_CACCT_CMD_H
++#define vx_cres_avail(v, n, r) \
++ __vx_cres_avail(v, r, n, __FILE__, __LINE__)
+
+
-+/* virtual host info name commands */
++#define vx_nproc_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NPROC)
+
-+#define VCMD_sock_stat VC_CMD(VSTAT, 5, 0)
++#define vx_files_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NOFILE)
+
-+struct vcmd_sock_stat_v0 {
-+ uint32_t field;
-+ uint32_t count[3];
-+ uint64_t total[3];
-+};
++#define vx_locks_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_LOCKS)
+
++#define vx_openfd_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_OPENFD)
+
-+#ifdef __KERNEL__
+
-+#include <linux/compiler.h>
++/* dentry limits */
+
-+extern int vc_sock_stat(struct vx_info *, void __user *);
++#define vx_dentry_inc(d) do { \
++ if (d_count(d) == 1) \
++ vx_acc_cres(current_vx_info(), 1, d, VLIMIT_DENTRY); \
++ } while (0)
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CACCT_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/cacct_def.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cacct_def.h
---- linux-2.6.27.33/include/linux/vserver/cacct_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cacct_def.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,43 @@
-+#ifndef _VX_CACCT_DEF_H
-+#define _VX_CACCT_DEF_H
++#define vx_dentry_dec(d) do { \
++ if (d_count(d) == 0) \
++ vx_acc_cres(current_vx_info(),-1, d, VLIMIT_DENTRY); \
++ } while (0)
+
-+#include <asm/atomic.h>
-+#include <linux/vserver/cacct.h>
++#define vx_dentry_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_DENTRY)
+
+
-+struct _vx_sock_acc {
-+ atomic_long_t count;
-+ atomic_long_t total;
-+};
++/* socket limits */
+
-+/* context sub struct */
++#define vx_sock_inc(s) \
++ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
+
-+struct _vx_cacct {
-+ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3];
-+ atomic_t slab[8];
-+ atomic_t page[6][8];
-+};
++#define vx_sock_dec(s) \
++ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
+
-+#ifdef CONFIG_VSERVER_DEBUG
++#define vx_sock_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_NSOCK)
+
-+static inline void __dump_vx_cacct(struct _vx_cacct *cacct)
-+{
-+ int i, j;
+
-+ printk("\t_vx_cacct:");
-+ for (i = 0; i < 6; i++) {
-+ struct _vx_sock_acc *ptr = cacct->sock[i];
++/* ipc resource limits */
+
-+ printk("\t [%d] =", i);
-+ for (j = 0; j < 3; j++) {
-+ printk(" [%d] = %8lu, %8lu", j,
-+ atomic_long_read(&ptr[j].count),
-+ atomic_long_read(&ptr[j].total));
-+ }
-+ printk("\n");
-+ }
-+}
++#define vx_ipcmsg_add(v, u, a) \
++ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
+
-+#endif
++#define vx_ipcmsg_sub(v, u, a) \
++ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
+
-+#endif /* _VX_CACCT_DEF_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/cacct.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cacct.h
---- linux-2.6.27.33/include/linux/vserver/cacct.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cacct.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,15 @@
-+#ifndef _VX_CACCT_H
-+#define _VX_CACCT_H
++#define vx_ipcmsg_avail(v, a) \
++ vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
+
+
-+enum sock_acc_field {
-+ VXA_SOCK_UNSPEC = 0,
-+ VXA_SOCK_UNIX,
-+ VXA_SOCK_INET,
-+ VXA_SOCK_INET6,
-+ VXA_SOCK_PACKET,
-+ VXA_SOCK_OTHER,
-+ VXA_SOCK_SIZE /* array size */
-+};
++#define vx_ipcshm_add(v, k, a) \
++ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
+
-+#endif /* _VX_CACCT_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/cacct_int.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cacct_int.h
---- linux-2.6.27.33/include/linux/vserver/cacct_int.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cacct_int.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,21 @@
-+#ifndef _VX_CACCT_INT_H
-+#define _VX_CACCT_INT_H
++#define vx_ipcshm_sub(v, k, a) \
++ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
+
++#define vx_ipcshm_avail(v, a) \
++ vx_cres_avail(v, a, VLIMIT_SHMEM)
+
-+#ifdef __KERNEL__
+
-+static inline
-+unsigned long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
-+{
-+ return atomic_long_read(&cacct->sock[type][pos].count);
-+}
++#define vx_semary_inc(a) \
++ vx_acc_cres(current_vx_info(), 1, a, VLIMIT_SEMARY)
+
++#define vx_semary_dec(a) \
++ vx_acc_cres(current_vx_info(), -1, a, VLIMIT_SEMARY)
+
-+static inline
-+unsigned long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
-+{
-+ return atomic_long_read(&cacct->sock[type][pos].total);
-+}
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CACCT_INT_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/check.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/check.h
---- linux-2.6.27.33/include/linux/vserver/check.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/check.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,89 @@
-+#ifndef _VS_CHECK_H
-+#define _VS_CHECK_H
++#define vx_nsems_add(a,n) \
++ vx_add_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
+
++#define vx_nsems_sub(a,n) \
++ vx_sub_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
+
-+#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
+
-+#ifdef CONFIG_VSERVER_DYNAMIC_IDS
-+#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
+#else
-+#define MIN_D_CONTEXT 65536
++#warning duplicate inclusion
+#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_network.h linux-3.18.5-vs2.3.7.3/include/linux/vs_network.h
+--- linux-3.18.5/include/linux/vs_network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_network.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,169 @@
++#ifndef _NX_VS_NETWORK_H
++#define _NX_VS_NETWORK_H
+
-+/* check conditions */
++#include "vserver/context.h"
++#include "vserver/network.h"
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
+
-+#define VS_ADMIN 0x0001
-+#define VS_WATCH 0x0002
-+#define VS_HIDE 0x0004
-+#define VS_HOSTID 0x0008
++#include <linux/sched.h>
+
-+#define VS_IDENT 0x0010
-+#define VS_EQUIV 0x0020
-+#define VS_PARENT 0x0040
-+#define VS_CHILD 0x0080
+
-+#define VS_ARG_MASK 0x00F0
++#define get_nx_info(i) __get_nx_info(i, __FILE__, __LINE__)
+
-+#define VS_DYNAMIC 0x0100
-+#define VS_STATIC 0x0200
++static inline struct nx_info *__get_nx_info(struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (!nxi)
++ return NULL;
+
-+#define VS_ATR_MASK 0x0F00
++ vxlprintk(VXD_CBIT(nid, 2), "get_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
+
-+#ifdef CONFIG_VSERVER_PRIVACY
-+#define VS_ADMIN_P (0)
-+#define VS_WATCH_P (0)
-+#else
-+#define VS_ADMIN_P VS_ADMIN
-+#define VS_WATCH_P VS_WATCH
-+#endif
++ atomic_inc(&nxi->nx_usecnt);
++ return nxi;
++}
+
-+#define VS_HARDIRQ 0x1000
-+#define VS_SOFTIRQ 0x2000
-+#define VS_IRQ 0x4000
+
-+#define VS_IRQ_MASK 0xF000
++extern void free_nx_info(struct nx_info *);
+
-+#include <linux/hardirq.h>
++#define put_nx_info(i) __put_nx_info(i, __FILE__, __LINE__)
+
-+/*
-+ * check current context for ADMIN/WATCH and
-+ * optionally against supplied argument
-+ */
-+static inline int __vs_check(int cid, int id, unsigned int mode)
++static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line)
+{
-+ if (mode & VS_ARG_MASK) {
-+ if ((mode & VS_IDENT) && (id == cid))
-+ return 1;
-+ }
-+ if (mode & VS_ATR_MASK) {
-+ if ((mode & VS_DYNAMIC) &&
-+ (id >= MIN_D_CONTEXT) &&
-+ (id <= MAX_S_CONTEXT))
-+ return 1;
-+ if ((mode & VS_STATIC) &&
-+ (id > 1) && (id < MIN_D_CONTEXT))
-+ return 1;
-+ }
-+ if (mode & VS_IRQ_MASK) {
-+ if ((mode & VS_IRQ) && unlikely(in_interrupt()))
-+ return 1;
-+ if ((mode & VS_HARDIRQ) && unlikely(in_irq()))
-+ return 1;
-+ if ((mode & VS_SOFTIRQ) && unlikely(in_softirq()))
-+ return 1;
-+ }
-+ return (((mode & VS_ADMIN) && (cid == 0)) ||
-+ ((mode & VS_WATCH) && (cid == 1)) ||
-+ ((mode & VS_HOSTID) && (id == 0)));
-+}
-+
-+#define vx_check(c, m) __vs_check(vx_current_xid(), c, (m) | VS_IRQ)
++ if (!nxi)
++ return;
+
-+#define vx_weak_check(c, m) ((m) ? vx_check(c, m) : 1)
++ vxlprintk(VXD_CBIT(nid, 2), "put_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
+
++ if (atomic_dec_and_test(&nxi->nx_usecnt))
++ free_nx_info(nxi);
++}
+
-+#define nx_check(c, m) __vs_check(nx_current_nid(), c, m)
+
-+#define nx_weak_check(c, m) ((m) ? nx_check(c, m) : 1)
++#define init_nx_info(p, i) __init_nx_info(p, i, __FILE__, __LINE__)
+
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/context_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/context_cmd.h
---- linux-2.6.27.33/include/linux/vserver/context_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/context_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,128 @@
-+#ifndef _VX_CONTEXT_CMD_H
-+#define _VX_CONTEXT_CMD_H
++static inline void __init_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (nxi) {
++ vxlprintk(VXD_CBIT(nid, 3),
++ "init_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
+
++ atomic_inc(&nxi->nx_usecnt);
++ }
++ *nxp = nxi;
++}
+
-+/* vinfo commands */
+
-+#define VCMD_task_xid VC_CMD(VINFO, 1, 0)
++#define set_nx_info(p, i) __set_nx_info(p, i, __FILE__, __LINE__)
+
-+#ifdef __KERNEL__
-+extern int vc_task_xid(uint32_t);
++static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
+
-+#endif /* __KERNEL__ */
++ if (!nxi)
++ return;
+
-+#define VCMD_vx_info VC_CMD(VINFO, 5, 0)
++ vxlprintk(VXD_CBIT(nid, 3), "set_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
+
-+struct vcmd_vx_info_v0 {
-+ uint32_t xid;
-+ uint32_t initpid;
-+ /* more to come */
-+};
++ atomic_inc(&nxi->nx_usecnt);
++ nxo = xchg(nxp, nxi);
++ BUG_ON(nxo);
++}
+
-+#ifdef __KERNEL__
-+extern int vc_vx_info(struct vx_info *, void __user *);
++#define clr_nx_info(p) __clr_nx_info(p, __FILE__, __LINE__)
+
-+#endif /* __KERNEL__ */
++static inline void __clr_nx_info(struct nx_info **nxp,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
+
-+#define VCMD_ctx_stat VC_CMD(VSTAT, 0, 0)
++ nxo = xchg(nxp, NULL);
++ if (!nxo)
++ return;
+
-+struct vcmd_ctx_stat_v0 {
-+ uint32_t usecnt;
-+ uint32_t tasks;
-+ /* more to come */
-+};
++ vxlprintk(VXD_CBIT(nid, 3), "clr_nx_info(%p[#%d.%d])",
++ nxo, nxo ? nxo->nx_id : 0,
++ nxo ? atomic_read(&nxo->nx_usecnt) : 0,
++ _file, _line);
+
-+#ifdef __KERNEL__
-+extern int vc_ctx_stat(struct vx_info *, void __user *);
++ if (atomic_dec_and_test(&nxo->nx_usecnt))
++ free_nx_info(nxo);
++}
+
-+#endif /* __KERNEL__ */
+
-+/* context commands */
++#define claim_nx_info(v, p) __claim_nx_info(v, p, __FILE__, __LINE__)
+
-+#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0)
-+#define VCMD_ctx_create VC_CMD(VPROC, 1, 1)
++static inline void __claim_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "claim_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi?atomic_read(&nxi->nx_usecnt):0,
++ nxi?atomic_read(&nxi->nx_tasks):0,
++ task, _file, _line);
+
-+struct vcmd_ctx_create {
-+ uint64_t flagword;
-+};
++ atomic_inc(&nxi->nx_tasks);
++}
+
-+#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0)
-+#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1)
+
-+struct vcmd_ctx_migrate {
-+ uint64_t flagword;
-+};
++extern void unhash_nx_info(struct nx_info *);
+
-+#ifdef __KERNEL__
-+extern int vc_ctx_create(uint32_t, void __user *);
-+extern int vc_ctx_migrate(struct vx_info *, void __user *);
++#define release_nx_info(v, p) __release_nx_info(v, p, __FILE__, __LINE__)
+
-+#endif /* __KERNEL__ */
++static inline void __release_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "release_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ nxi ? atomic_read(&nxi->nx_tasks) : 0,
++ task, _file, _line);
+
++ might_sleep();
+
-+/* flag commands */
++ if (atomic_dec_and_test(&nxi->nx_tasks))
++ unhash_nx_info(nxi);
++}
+
-+#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
-+#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
+
-+struct vcmd_ctx_flags_v0 {
-+ uint64_t flagword;
-+ uint64_t mask;
-+};
++#define task_get_nx_info(i) __task_get_nx_info(i, __FILE__, __LINE__)
+
-+#ifdef __KERNEL__
-+extern int vc_get_cflags(struct vx_info *, void __user *);
-+extern int vc_set_cflags(struct vx_info *, void __user *);
++static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p,
++ const char *_file, int _line)
++{
++ struct nx_info *nxi;
+
-+#endif /* __KERNEL__ */
++ task_lock(p);
++ vxlprintk(VXD_CBIT(nid, 5), "task_get_nx_info(%p)",
++ p, _file, _line);
++ nxi = __get_nx_info(p->nx_info, _file, _line);
++ task_unlock(p);
++ return nxi;
++}
+
+
-+/* context caps commands */
++static inline void exit_nx_info(struct task_struct *p)
++{
++ if (p->nx_info)
++ release_nx_info(p->nx_info, p);
++}
+
-+#define VCMD_get_ccaps VC_CMD(FLAGS, 3, 1)
-+#define VCMD_set_ccaps VC_CMD(FLAGS, 4, 1)
+
-+struct vcmd_ctx_caps_v1 {
-+ uint64_t ccaps;
-+ uint64_t cmask;
-+};
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_pid.h linux-3.18.5-vs2.3.7.3/include/linux/vs_pid.h
+--- linux-3.18.5/include/linux/vs_pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_pid.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,50 @@
++#ifndef _VS_PID_H
++#define _VS_PID_H
+
-+#ifdef __KERNEL__
-+extern int vc_get_ccaps(struct vx_info *, void __user *);
-+extern int vc_set_ccaps(struct vx_info *, void __user *);
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/pid.h"
++#include <linux/pid_namespace.h>
+
-+#endif /* __KERNEL__ */
+
++#define VXF_FAKE_INIT (VXF_INFO_INIT | VXF_STATE_INIT)
+
-+/* bcaps commands */
++static inline
++int vx_proc_task_visible(struct task_struct *task)
++{
++ if ((task->pid == 1) &&
++ !vx_flags(VXF_FAKE_INIT, VXF_FAKE_INIT))
++ /* show a blend through init */
++ goto visible;
++ if (vx_check(vx_task_xid(task), VS_WATCH | VS_IDENT))
++ goto visible;
++ return 0;
++visible:
++ return 1;
++}
+
-+#define VCMD_get_bcaps VC_CMD(FLAGS, 9, 0)
-+#define VCMD_set_bcaps VC_CMD(FLAGS, 10, 0)
++#define find_task_by_real_pid(pid) find_task_by_pid_ns(pid, &init_pid_ns)
+
-+struct vcmd_bcaps {
-+ uint64_t bcaps;
-+ uint64_t bmask;
-+};
+
-+#ifdef __KERNEL__
-+extern int vc_get_bcaps(struct vx_info *, void __user *);
-+extern int vc_set_bcaps(struct vx_info *, void __user *);
++static inline
++struct task_struct *vx_get_proc_task(struct inode *inode, struct pid *pid)
++{
++ struct task_struct *task = get_pid_task(pid, PIDTYPE_PID);
+
-+#endif /* __KERNEL__ */
++ if (task && !vx_proc_task_visible(task)) {
++ vxdprintk(VXD_CBIT(misc, 6),
++ "dropping task (get) %p[#%u,%u] for %p[#%u,%u]",
++ task, task->xid, task->pid,
++ current, current->xid, current->pid);
++ put_task_struct(task);
++ task = NULL;
++ }
++ return task;
++}
+
+
-+/* OOM badness */
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_sched.h linux-3.18.5-vs2.3.7.3/include/linux/vs_sched.h
+--- linux-3.18.5/include/linux/vs_sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_sched.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _VS_SCHED_H
++#define _VS_SCHED_H
+
-+#define VCMD_get_badness VC_CMD(MEMCTRL, 5, 0)
-+#define VCMD_set_badness VC_CMD(MEMCTRL, 6, 0)
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/sched.h"
+
-+struct vcmd_badness_v0 {
-+ int64_t bias;
-+};
+
-+#ifdef __KERNEL__
-+extern int vc_get_badness(struct vx_info *, void __user *);
-+extern int vc_set_badness(struct vx_info *, void __user *);
++#define MAX_PRIO_BIAS 20
++#define MIN_PRIO_BIAS -20
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CONTEXT_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/context.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/context.h
---- linux-2.6.27.33/include/linux/vserver/context.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/context.h 2009-03-09 15:36:36.000000000 +0100
-@@ -0,0 +1,179 @@
-+#ifndef _VX_CONTEXT_H
-+#define _VX_CONTEXT_H
++static inline
++int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
++{
++ struct vx_info *vxi = p->vx_info;
+
-+#include <linux/types.h>
-+#include <linux/capability.h>
++ if (vxi)
++ prio += vx_cpu(vxi, sched_pc).prio_bias;
++ return prio;
++}
+
++static inline void vx_account_user(struct vx_info *vxi,
++ cputime_t cputime, int nice)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).user_ticks += cputime;
++}
+
-+/* context flags */
++static inline void vx_account_system(struct vx_info *vxi,
++ cputime_t cputime, int idle)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).sys_ticks += cputime;
++}
+
-+#define VXF_INFO_SCHED 0x00000002
-+#define VXF_INFO_NPROC 0x00000004
-+#define VXF_INFO_PRIVATE 0x00000008
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_socket.h linux-3.18.5-vs2.3.7.3/include/linux/vs_socket.h
+--- linux-3.18.5/include/linux/vs_socket.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_socket.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _VS_SOCKET_H
++#define _VS_SOCKET_H
+
-+#define VXF_INFO_INIT 0x00000010
-+#define VXF_INFO_HIDE 0x00000020
-+#define VXF_INFO_ULIMIT 0x00000040
-+#define VXF_INFO_NSPACE 0x00000080
++#include "vserver/debug.h"
++#include "vserver/base.h"
++#include "vserver/cacct.h"
++#include "vserver/context.h"
++#include "vserver/tag.h"
+
-+#define VXF_SCHED_HARD 0x00000100
-+#define VXF_SCHED_PRIO 0x00000200
-+#define VXF_SCHED_PAUSE 0x00000400
+
-+#define VXF_VIRT_MEM 0x00010000
-+#define VXF_VIRT_UPTIME 0x00020000
-+#define VXF_VIRT_CPU 0x00040000
-+#define VXF_VIRT_LOAD 0x00080000
-+#define VXF_VIRT_TIME 0x00100000
++/* socket accounting */
+
-+#define VXF_HIDE_MOUNT 0x01000000
-+/* was VXF_HIDE_NETIF 0x02000000 */
-+#define VXF_HIDE_VINFO 0x04000000
++#include <linux/socket.h>
+
-+#define VXF_STATE_SETUP (1ULL << 32)
-+#define VXF_STATE_INIT (1ULL << 33)
-+#define VXF_STATE_ADMIN (1ULL << 34)
++static inline int vx_sock_type(int family)
++{
++ switch (family) {
++ case PF_UNSPEC:
++ return VXA_SOCK_UNSPEC;
++ case PF_UNIX:
++ return VXA_SOCK_UNIX;
++ case PF_INET:
++ return VXA_SOCK_INET;
++ case PF_INET6:
++ return VXA_SOCK_INET6;
++ case PF_PACKET:
++ return VXA_SOCK_PACKET;
++ default:
++ return VXA_SOCK_OTHER;
++ }
++}
+
-+#define VXF_SC_HELPER (1ULL << 36)
-+#define VXF_REBOOT_KILL (1ULL << 37)
-+#define VXF_PERSISTENT (1ULL << 38)
++#define vx_acc_sock(v, f, p, s) \
++ __vx_acc_sock(v, f, p, s, __FILE__, __LINE__)
+
-+#define VXF_FORK_RSS (1ULL << 48)
-+#define VXF_PROLIFIC (1ULL << 49)
++static inline void __vx_acc_sock(struct vx_info *vxi,
++ int family, int pos, int size, char *file, int line)
++{
++ if (vxi) {
++ int type = vx_sock_type(family);
+
-+#define VXF_IGNEG_NICE (1ULL << 52)
++ atomic_long_inc(&vxi->cacct.sock[type][pos].count);
++ atomic_long_add(size, &vxi->cacct.sock[type][pos].total);
++ }
++}
+
-+#define VXF_ONE_TIME (0x0007ULL << 32)
++#define vx_sock_recv(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 0, s)
++#define vx_sock_send(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 1, s)
++#define vx_sock_fail(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 2, s)
+
-+#define VXF_INIT_SET (VXF_STATE_SETUP | VXF_STATE_INIT | VXF_STATE_ADMIN)
+
++#define sock_vx_init(s) do { \
++ (s)->sk_xid = 0; \
++ (s)->sk_vx_info = NULL; \
++ } while (0)
+
-+/* context migration */
++#define sock_nx_init(s) do { \
++ (s)->sk_nid = 0; \
++ (s)->sk_nx_info = NULL; \
++ } while (0)
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_tag.h linux-3.18.5-vs2.3.7.3/include/linux/vs_tag.h
+--- linux-3.18.5/include/linux/vs_tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_tag.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VS_TAG_H
++#define _VS_TAG_H
+
-+#define VXM_SET_INIT 0x00000001
-+#define VXM_SET_REAPER 0x00000002
++#include <linux/vserver/tag.h>
+
-+/* context caps */
++/* check conditions */
+
-+#define VXC_CAP_MASK 0x00000000
++#define DX_ADMIN 0x0001
++#define DX_WATCH 0x0002
++#define DX_HOSTID 0x0008
+
-+#define VXC_SET_UTSNAME 0x00000001
-+#define VXC_SET_RLIMIT 0x00000002
-+#define VXC_FS_SECURITY 0x00000004
++#define DX_IDENT 0x0010
+
-+/* was VXC_RAW_ICMP 0x00000100 */
-+#define VXC_SYSLOG 0x00001000
++#define DX_ARG_MASK 0x0010
+
-+#define VXC_SECURE_MOUNT 0x00010000
-+#define VXC_SECURE_REMOUNT 0x00020000
-+#define VXC_BINARY_MOUNT 0x00040000
+
-+#define VXC_QUOTA_CTL 0x00100000
-+#define VXC_ADMIN_MAPPER 0x00200000
-+#define VXC_ADMIN_CLOOP 0x00400000
++#define dx_task_tag(t) ((t)->tag)
+
-+#define VXC_KTHREAD 0x01000000
++#define dx_current_tag() dx_task_tag(current)
+
++#define dx_check(c, m) __dx_check(dx_current_tag(), c, m)
+
-+#ifdef __KERNEL__
++#define dx_weak_check(c, m) ((m) ? dx_check(c, m) : 1)
+
-+#include <linux/list.h>
-+#include <linux/spinlock.h>
-+#include <linux/rcupdate.h>
+
-+#include "limit_def.h"
-+#include "sched_def.h"
-+#include "cvirt_def.h"
-+#include "cacct_def.h"
-+#include "device_def.h"
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __dx_check(vtag_t cid, vtag_t id, unsigned int mode)
++{
++ if (mode & DX_ARG_MASK) {
++ if ((mode & DX_IDENT) && (id == cid))
++ return 1;
++ }
++ return (((mode & DX_ADMIN) && (cid == 0)) ||
++ ((mode & DX_WATCH) && (cid == 1)) ||
++ ((mode & DX_HOSTID) && (id == 0)));
++}
+
-+#define VX_SPACES 2
++struct inode;
++int dx_permission(const struct inode *inode, int mask);
+
-+struct _vx_info_pc {
-+ struct _vx_sched_pc sched_pc;
-+ struct _vx_cvirt_pc cvirt_pc;
-+};
+
-+struct vx_info {
-+ struct hlist_node vx_hlist; /* linked list of contexts */
-+ xid_t vx_id; /* context id */
-+ atomic_t vx_usecnt; /* usage count */
-+ atomic_t vx_tasks; /* tasks count */
-+ struct vx_info *vx_parent; /* parent context */
-+ int vx_state; /* context state */
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vs_time.h linux-3.18.5-vs2.3.7.3/include/linux/vs_time.h
+--- linux-3.18.5/include/linux/vs_time.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vs_time.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VS_TIME_H
++#define _VS_TIME_H
+
-+ unsigned long vx_nsmask[VX_SPACES]; /* assignment mask */
-+ struct nsproxy *vx_nsproxy[VX_SPACES]; /* private namespaces */
-+ struct fs_struct *vx_fs[VX_SPACES]; /* private namespace fs */
+
-+ uint64_t vx_flags; /* context flags */
-+ uint64_t vx_ccaps; /* context caps (vserver) */
-+ kernel_cap_t vx_bcaps; /* bounding caps (system) */
-+ // kernel_cap_t vx_cap_bset; /* the guest's bset */
++/* time faking stuff */
+
-+ struct task_struct *vx_reaper; /* guest reaper process */
-+ pid_t vx_initpid; /* PID of guest init */
-+ int64_t vx_badness_bias; /* OOM points bias */
++#ifdef CONFIG_VSERVER_VTIME
+
-+ struct _vx_limit limit; /* vserver limits */
-+ struct _vx_sched sched; /* vserver scheduler */
-+ struct _vx_cvirt cvirt; /* virtual/bias stuff */
-+ struct _vx_cacct cacct; /* context accounting */
++extern void vx_adjust_timespec(struct timespec *ts);
++extern int vx_settimeofday(const struct timespec *ts);
+
-+ struct _vx_device dmap; /* default device map targets */
++#else
++#define vx_adjust_timespec(t) do { } while (0)
++#define vx_settimeofday(t) do_settimeofday(t)
++#endif
+
-+#ifndef CONFIG_SMP
-+ struct _vx_info_pc info_pc; /* per cpu data */
+#else
-+ struct _vx_info_pc *ptr_pc; /* per cpu array */
++#warning duplicate inclusion
+#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/base.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/base.h
+--- linux-3.18.5/include/linux/vserver/base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/base.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,184 @@
++#ifndef _VSERVER_BASE_H
++#define _VSERVER_BASE_H
+
-+ wait_queue_head_t vx_wait; /* context exit waitqueue */
-+ int reboot_cmd; /* last sys_reboot() cmd */
-+ int exit_code; /* last process exit code */
+
-+ char vx_name[65]; /* vserver name */
++/* context state changes */
++
++enum {
++ VSC_STARTUP = 1,
++ VSC_SHUTDOWN,
++
++ VSC_NETUP,
++ VSC_NETDOWN,
+};
+
-+#ifndef CONFIG_SMP
-+#define vx_ptr_pc(vxi) (&(vxi)->info_pc)
-+#define vx_per_cpu(vxi, v, id) vx_ptr_pc(vxi)->v
-+#else
-+#define vx_ptr_pc(vxi) ((vxi)->ptr_pc)
-+#define vx_per_cpu(vxi, v, id) per_cpu_ptr(vx_ptr_pc(vxi), id)->v
-+#endif
+
-+#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
+
++#define vx_task_xid(t) ((t)->xid)
+
-+struct vx_info_save {
-+ struct vx_info *vxi;
-+ xid_t xid;
-+};
++#define vx_current_xid() vx_task_xid(current)
+
++#define current_vx_info() (current->vx_info)
+
-+/* status flags */
+
-+#define VXS_HASHED 0x0001
-+#define VXS_PAUSED 0x0010
-+#define VXS_SHUTDOWN 0x0100
-+#define VXS_HELPER 0x1000
-+#define VXS_RELEASED 0x8000
++#define nx_task_nid(t) ((t)->nid)
+
++#define nx_current_nid() nx_task_nid(current)
+
-+extern void claim_vx_info(struct vx_info *, struct task_struct *);
-+extern void release_vx_info(struct vx_info *, struct task_struct *);
++#define current_nx_info() (current->nx_info)
+
-+extern struct vx_info *lookup_vx_info(int);
-+extern struct vx_info *lookup_or_create_vx_info(int);
+
-+extern int get_xid_list(int, unsigned int *, int);
-+extern int xid_is_hashed(xid_t);
++/* generic flag merging */
+
-+extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
++#define vs_check_flags(v, m, f) (((v) & (m)) ^ (f))
+
-+extern long vs_state_change(struct vx_info *, unsigned int);
++#define vs_mask_flags(v, f, m) (((v) & ~(m)) | ((f) & (m)))
+
++#define vs_mask_mask(v, f, m) (((v) & ~(m)) | ((v) & (f) & (m)))
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CONTEXT_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/cvirt_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cvirt_cmd.h
---- linux-2.6.27.33/include/linux/vserver/cvirt_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cvirt_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,53 @@
-+#ifndef _VX_CVIRT_CMD_H
-+#define _VX_CVIRT_CMD_H
++#define vs_check_bit(v, n) ((v) & (1LL << (n)))
+
+
-+/* virtual host info name commands */
++/* context flags */
+
-+#define VCMD_set_vhi_name VC_CMD(VHOST, 1, 0)
-+#define VCMD_get_vhi_name VC_CMD(VHOST, 2, 0)
++#define __vx_flags(v) ((v) ? (v)->vx_flags : 0)
+
-+struct vcmd_vhi_name_v0 {
-+ uint32_t field;
-+ char name[65];
-+};
++#define vx_current_flags() __vx_flags(current_vx_info())
+
++#define vx_info_flags(v, m, f) \
++ vs_check_flags(__vx_flags(v), m, f)
+
-+enum vhi_name_field {
-+ VHIN_CONTEXT = 0,
-+ VHIN_SYSNAME,
-+ VHIN_NODENAME,
-+ VHIN_RELEASE,
-+ VHIN_VERSION,
-+ VHIN_MACHINE,
-+ VHIN_DOMAINNAME,
-+};
++#define task_vx_flags(t, m, f) \
++ ((t) && vx_info_flags((t)->vx_info, m, f))
+
++#define vx_flags(m, f) vx_info_flags(current_vx_info(), m, f)
+
-+#ifdef __KERNEL__
+
-+#include <linux/compiler.h>
++/* context caps */
+
-+extern int vc_set_vhi_name(struct vx_info *, void __user *);
-+extern int vc_get_vhi_name(struct vx_info *, void __user *);
++#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0)
+
-+#endif /* __KERNEL__ */
++#define vx_current_ccaps() __vx_ccaps(current_vx_info())
+
-+#define VCMD_virt_stat VC_CMD(VSTAT, 3, 0)
++#define vx_info_ccaps(v, c) (__vx_ccaps(v) & (c))
+
-+struct vcmd_virt_stat_v0 {
-+ uint64_t offset;
-+ uint64_t uptime;
-+ uint32_t nr_threads;
-+ uint32_t nr_running;
-+ uint32_t nr_uninterruptible;
-+ uint32_t nr_onhold;
-+ uint32_t nr_forks;
-+ uint32_t load[3];
-+};
++#define vx_ccaps(c) vx_info_ccaps(current_vx_info(), (c))
+
-+#ifdef __KERNEL__
-+extern int vc_virt_stat(struct vx_info *, void __user *);
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CVIRT_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/cvirt_def.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cvirt_def.h
---- linux-2.6.27.33/include/linux/vserver/cvirt_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cvirt_def.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,80 @@
-+#ifndef _VX_CVIRT_DEF_H
-+#define _VX_CVIRT_DEF_H
+
-+#include <linux/jiffies.h>
-+#include <linux/spinlock.h>
-+#include <linux/wait.h>
-+#include <linux/time.h>
-+#include <asm/atomic.h>
++/* network flags */
+
++#define __nx_flags(n) ((n) ? (n)->nx_flags : 0)
+
-+struct _vx_usage_stat {
-+ uint64_t user;
-+ uint64_t nice;
-+ uint64_t system;
-+ uint64_t softirq;
-+ uint64_t irq;
-+ uint64_t idle;
-+ uint64_t iowait;
-+};
++#define nx_current_flags() __nx_flags(current_nx_info())
+
-+struct _vx_syslog {
-+ wait_queue_head_t log_wait;
-+ spinlock_t logbuf_lock; /* lock for the log buffer */
++#define nx_info_flags(n, m, f) \
++ vs_check_flags(__nx_flags(n), m, f)
+
-+ unsigned long log_start; /* next char to be read by syslog() */
-+ unsigned long con_start; /* next char to be sent to consoles */
-+ unsigned long log_end; /* most-recently-written-char + 1 */
-+ unsigned long logged_chars; /* #chars since last read+clear operation */
++#define task_nx_flags(t, m, f) \
++ ((t) && nx_info_flags((t)->nx_info, m, f))
+
-+ char log_buf[1024];
-+};
++#define nx_flags(m, f) nx_info_flags(current_nx_info(), m, f)
+
+
-+/* context sub struct */
++/* network caps */
+
-+struct _vx_cvirt {
-+ atomic_t nr_threads; /* number of current threads */
-+ atomic_t nr_running; /* number of running threads */
-+ atomic_t nr_uninterruptible; /* number of uninterruptible threads */
++#define __nx_ncaps(n) ((n) ? (n)->nx_ncaps : 0)
+
-+ atomic_t nr_onhold; /* processes on hold */
-+ uint32_t onhold_last; /* jiffies when put on hold */
++#define nx_current_ncaps() __nx_ncaps(current_nx_info())
+
-+ struct timeval bias_tv; /* time offset to the host */
-+ struct timespec bias_idle;
-+ struct timespec bias_uptime; /* context creation point */
-+ uint64_t bias_clock; /* offset in clock_t */
++#define nx_info_ncaps(n, c) (__nx_ncaps(n) & (c))
+
-+ spinlock_t load_lock; /* lock for the load averages */
-+ atomic_t load_updates; /* nr of load updates done so far */
-+ uint32_t load_last; /* last time load was calculated */
-+ uint32_t load[3]; /* load averages 1,5,15 */
++#define nx_ncaps(c) nx_info_ncaps(current_nx_info(), c)
+
-+ atomic_t total_forks; /* number of forks so far */
+
-+ struct _vx_syslog syslog;
-+};
++/* context mask capabilities */
+
-+struct _vx_cvirt_pc {
-+ struct _vx_usage_stat cpustat;
-+};
++#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 )
+
++#define vx_info_mcaps(v, c) (__vx_mcaps(v) & (c))
+
-+#ifdef CONFIG_VSERVER_DEBUG
++#define vx_mcaps(c) vx_info_mcaps(current_vx_info(), c)
+
-+static inline void __dump_vx_cvirt(struct _vx_cvirt *cvirt)
-+{
-+ printk("\t_vx_cvirt:\n");
-+ printk("\t threads: %4d, %4d, %4d, %4d\n",
-+ atomic_read(&cvirt->nr_threads),
-+ atomic_read(&cvirt->nr_running),
-+ atomic_read(&cvirt->nr_uninterruptible),
-+ atomic_read(&cvirt->nr_onhold));
-+ /* add rest here */
-+ printk("\t total_forks = %d\n", atomic_read(&cvirt->total_forks));
-+}
+
-+#endif
++/* context bcap mask */
+
-+#endif /* _VX_CVIRT_DEF_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/cvirt.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cvirt.h
---- linux-2.6.27.33/include/linux/vserver/cvirt.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/cvirt.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,20 @@
-+#ifndef _VX_CVIRT_H
-+#define _VX_CVIRT_H
++#define __vx_bcaps(v) ((v)->vx_bcaps)
+
++#define vx_current_bcaps() __vx_bcaps(current_vx_info())
+
-+#ifdef __KERNEL__
+
-+struct timespec;
++/* mask given bcaps */
+
-+void vx_vsi_uptime(struct timespec *, struct timespec *);
++#define vx_info_mbcaps(v, c) ((v) ? cap_intersect(__vx_bcaps(v), c) : c)
+
++#define vx_mbcaps(c) vx_info_mbcaps(current_vx_info(), c)
+
-+struct vx_info;
+
-+void vx_update_load(struct vx_info *);
++/* masked cap_bset */
+
++#define vx_info_cap_bset(v) vx_info_mbcaps(v, current->cap_bset)
+
-+int vx_do_syslog(int, char __user *, int);
++#define vx_current_cap_bset() vx_info_cap_bset(current_vx_info())
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CVIRT_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/debug_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/debug_cmd.h
---- linux-2.6.27.33/include/linux/vserver/debug_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/debug_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,58 @@
-+#ifndef _VX_DEBUG_CMD_H
-+#define _VX_DEBUG_CMD_H
++#if 0
++#define vx_info_mbcap(v, b) \
++ (!vx_info_flags(v, VXF_STATE_SETUP, 0) ? \
++ vx_info_bcaps(v, b) : (b))
+
++#define task_vx_mbcap(t, b) \
++ vx_info_mbcap((t)->vx_info, (t)->b)
+
-+/* debug commands */
++#define vx_mbcap(b) task_vx_mbcap(current, b)
++#endif
+
-+#define VCMD_dump_history VC_CMD(DEBUG, 1, 0)
++#define vx_cap_raised(v, c, f) cap_raised(vx_info_mbcaps(v, c), f)
+
-+#define VCMD_read_history VC_CMD(DEBUG, 5, 0)
-+#define VCMD_read_monitor VC_CMD(DEBUG, 6, 0)
++#define vx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
+
-+struct vcmd_read_history_v0 {
-+ uint32_t index;
-+ uint32_t count;
-+ char __user *data;
-+};
++#define vx_ns_capable(n, b, c) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
+
-+struct vcmd_read_monitor_v0 {
-+ uint32_t index;
-+ uint32_t count;
-+ char __user *data;
-+};
++#define nx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && nx_ncaps(c)))
+
++#define nx_ns_capable(n, b, c) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && nx_ncaps(c)))
+
-+#ifdef __KERNEL__
++#define vx_task_initpid(t, n) \
++ ((t)->vx_info && \
++ ((t)->vx_info->vx_initpid == (n)))
+
-+#ifdef CONFIG_COMPAT
++#define vx_current_initpid(n) vx_task_initpid(current, n)
+
-+#include <asm/compat.h>
+
-+struct vcmd_read_history_v0_x32 {
-+ uint32_t index;
-+ uint32_t count;
-+ compat_uptr_t data_ptr;
-+};
++/* context unshare mask */
+
-+struct vcmd_read_monitor_v0_x32 {
-+ uint32_t index;
-+ uint32_t count;
-+ compat_uptr_t data_ptr;
-+};
++#define __vx_umask(v) ((v)->vx_umask)
+
-+#endif /* CONFIG_COMPAT */
++#define vx_current_umask() __vx_umask(current_vx_info())
+
-+extern int vc_dump_history(uint32_t);
++#define vx_can_unshare(b, f) (capable(b) || \
++ (cap_raised(current_cap(), b) && \
++ !((f) & ~vx_current_umask())))
+
-+extern int vc_read_history(uint32_t, void __user *);
-+extern int vc_read_monitor(uint32_t, void __user *);
++#define vx_ns_can_unshare(n, b, f) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && \
++ !((f) & ~vx_current_umask())))
+
-+#ifdef CONFIG_COMPAT
++#define __vx_wmask(v) ((v)->vx_wmask)
+
-+extern int vc_read_history_x32(uint32_t, void __user *);
-+extern int vc_read_monitor_x32(uint32_t, void __user *);
++#define vx_current_wmask() __vx_wmask(current_vx_info())
+
-+#endif /* CONFIG_COMPAT */
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_DEBUG_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/debug.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/debug.h
---- linux-2.6.27.33/include/linux/vserver/debug.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/debug.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,127 @@
-+#ifndef _VX_DEBUG_H
-+#define _VX_DEBUG_H
++#define __vx_state(v) ((v) ? ((v)->vx_state) : 0)
+
++#define vx_info_state(v, m) (__vx_state(v) & (m))
+
-+#define VXD_CBIT(n, m) (vx_debug_ ## n & (1 << (m)))
-+#define VXD_CMIN(n, m) (vx_debug_ ## n > (m))
-+#define VXD_MASK(n, m) (vx_debug_ ## n & (m))
+
-+#define VXD_DEV(d) (d), (d)->bd_inode->i_ino, \
-+ imajor((d)->bd_inode), iminor((d)->bd_inode)
-+#define VXF_DEV "%p[%lu,%d:%d]"
++#define __nx_state(n) ((n) ? ((n)->nx_state) : 0)
+
++#define nx_info_state(n, m) (__nx_state(n) & (m))
+
-+#define vxd_path(p) \
-+ ({ static char _buffer[PATH_MAX]; \
-+ d_path(p, _buffer, sizeof(_buffer)); })
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/cacct.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/cacct.h
+--- linux-3.18.5/include/linux/vserver/cacct.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/cacct.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _VSERVER_CACCT_H
++#define _VSERVER_CACCT_H
+
-+#define vxd_cond_path(n) \
-+ ((n) ? vxd_path(&(n)->path) : "<null>" )
+
++enum sock_acc_field {
++ VXA_SOCK_UNSPEC = 0,
++ VXA_SOCK_UNIX,
++ VXA_SOCK_INET,
++ VXA_SOCK_INET6,
++ VXA_SOCK_PACKET,
++ VXA_SOCK_OTHER,
++ VXA_SOCK_SIZE /* array size */
++};
+
-+#ifdef CONFIG_VSERVER_DEBUG
++#endif /* _VSERVER_CACCT_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/cacct_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/cacct_cmd.h
+--- linux-3.18.5/include/linux/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/cacct_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_CACCT_CMD_H
++#define _VSERVER_CACCT_CMD_H
+
-+extern unsigned int vx_debug_switch;
-+extern unsigned int vx_debug_xid;
-+extern unsigned int vx_debug_nid;
-+extern unsigned int vx_debug_tag;
-+extern unsigned int vx_debug_net;
-+extern unsigned int vx_debug_limit;
-+extern unsigned int vx_debug_cres;
-+extern unsigned int vx_debug_dlim;
-+extern unsigned int vx_debug_quota;
-+extern unsigned int vx_debug_cvirt;
-+extern unsigned int vx_debug_space;
-+extern unsigned int vx_debug_misc;
+
++#include <linux/compiler.h>
++#include <uapi/vserver/cacct_cmd.h>
+
-+#define VX_LOGLEVEL "vxD: "
-+#define VX_PROC_FMT "%p: "
-+#define VX_PROCESS current
++extern int vc_sock_stat(struct vx_info *, void __user *);
+
-+#define vxdprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_LOGLEVEL VX_PROC_FMT f "\n", \
-+ VX_PROCESS , ##x); \
-+ } while (0)
++#endif /* _VSERVER_CACCT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/cacct_def.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/cacct_def.h
+--- linux-3.18.5/include/linux/vserver/cacct_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/cacct_def.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,43 @@
++#ifndef _VSERVER_CACCT_DEF_H
++#define _VSERVER_CACCT_DEF_H
+
-+#define vxlprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
-+ } while (0)
++#include <asm/atomic.h>
++#include <linux/vserver/cacct.h>
+
-+#define vxfprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
-+ } while (0)
+
++struct _vx_sock_acc {
++ atomic_long_t count;
++ atomic_long_t total;
++};
+
-+struct vx_info;
++/* context sub struct */
+
-+void dump_vx_info(struct vx_info *, int);
-+void dump_vx_info_inactive(int);
++struct _vx_cacct {
++ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3];
++ atomic_t slab[8];
++ atomic_t page[6][8];
++};
+
-+#else /* CONFIG_VSERVER_DEBUG */
++#ifdef CONFIG_VSERVER_DEBUG
+
-+#define vx_debug_switch 0
-+#define vx_debug_xid 0
-+#define vx_debug_nid 0
-+#define vx_debug_tag 0
-+#define vx_debug_net 0
-+#define vx_debug_limit 0
-+#define vx_debug_cres 0
-+#define vx_debug_dlim 0
-+#define vx_debug_cvirt 0
++static inline void __dump_vx_cacct(struct _vx_cacct *cacct)
++{
++ int i, j;
+
-+#define vxdprintk(x...) do { } while (0)
-+#define vxlprintk(x...) do { } while (0)
-+#define vxfprintk(x...) do { } while (0)
++ printk("\t_vx_cacct:");
++ for (i = 0; i < 6; i++) {
++ struct _vx_sock_acc *ptr = cacct->sock[i];
+
-+#endif /* CONFIG_VSERVER_DEBUG */
++ printk("\t [%d] =", i);
++ for (j = 0; j < 3; j++) {
++ printk(" [%d] = %8lu, %8lu", j,
++ atomic_long_read(&ptr[j].count),
++ atomic_long_read(&ptr[j].total));
++ }
++ printk("\n");
++ }
++}
+
++#endif
+
-+#ifdef CONFIG_VSERVER_WARN
++#endif /* _VSERVER_CACCT_DEF_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/cacct_int.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/cacct_int.h
+--- linux-3.18.5/include/linux/vserver/cacct_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/cacct_int.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_CACCT_INT_H
++#define _VSERVER_CACCT_INT_H
+
-+#define VX_WARNLEVEL KERN_WARNING "vxW: "
-+#define VX_WARN_TASK "[»%s«,%u:#%u|%u|%u] "
-+#define VX_WARN_XID "[xid #%u] "
-+#define VX_WARN_NID "[nid #%u] "
-+#define VX_WARN_TAG "[tag #%u] "
++static inline
++unsigned long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].count);
++}
+
-+#define vxwprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_WARNLEVEL f "\n", ##x); \
-+ } while (0)
+
-+#else /* CONFIG_VSERVER_WARN */
++static inline
++unsigned long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].total);
++}
+
-+#define vxwprintk(x...) do { } while (0)
++#endif /* _VSERVER_CACCT_INT_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/check.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/check.h
+--- linux-3.18.5/include/linux/vserver/check.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/check.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,89 @@
++#ifndef _VSERVER_CHECK_H
++#define _VSERVER_CHECK_H
+
-+#endif /* CONFIG_VSERVER_WARN */
+
-+#define vxwprintk_task(c, f, x...) \
-+ vxwprintk(c, VX_WARN_TASK f, \
-+ current->comm, current->pid, \
-+ current->xid, current->nid, current->tag, ##x)
-+#define vxwprintk_xid(c, f, x...) \
-+ vxwprintk(c, VX_WARN_XID f, current->xid, x)
-+#define vxwprintk_nid(c, f, x...) \
-+ vxwprintk(c, VX_WARN_NID f, current->nid, x)
-+#define vxwprintk_tag(c, f, x...) \
-+ vxwprintk(c, VX_WARN_TAG f, current->tag, x)
++#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
+
-+#ifdef CONFIG_VSERVER_DEBUG
-+#define vxd_assert_lock(l) assert_spin_locked(l)
-+#define vxd_assert(c, f, x...) vxlprintk(!(c), \
-+ "assertion [" f "] failed.", ##x, __FILE__, __LINE__)
++#ifdef CONFIG_VSERVER_DYNAMIC_IDS
++#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
+#else
-+#define vxd_assert_lock(l) do { } while (0)
-+#define vxd_assert(c, f, x...) do { } while (0)
++#define MIN_D_CONTEXT 65536
+#endif
+
++/* check conditions */
+
-+#endif /* _VX_DEBUG_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/device_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/device_cmd.h
---- linux-2.6.27.33/include/linux/vserver/device_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/device_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,44 @@
-+#ifndef _VX_DEVICE_CMD_H
-+#define _VX_DEVICE_CMD_H
++#define VS_ADMIN 0x0001
++#define VS_WATCH 0x0002
++#define VS_HIDE 0x0004
++#define VS_HOSTID 0x0008
+
++#define VS_IDENT 0x0010
++#define VS_EQUIV 0x0020
++#define VS_PARENT 0x0040
++#define VS_CHILD 0x0080
+
-+/* device vserver commands */
++#define VS_ARG_MASK 0x00F0
+
-+#define VCMD_set_mapping VC_CMD(DEVICE, 1, 0)
-+#define VCMD_unset_mapping VC_CMD(DEVICE, 2, 0)
++#define VS_DYNAMIC 0x0100
++#define VS_STATIC 0x0200
+
-+struct vcmd_set_mapping_v0 {
-+ const char __user *device;
-+ const char __user *target;
-+ uint32_t flags;
-+};
++#define VS_ATR_MASK 0x0F00
+
++#ifdef CONFIG_VSERVER_PRIVACY
++#define VS_ADMIN_P (0)
++#define VS_WATCH_P (0)
++#else
++#define VS_ADMIN_P VS_ADMIN
++#define VS_WATCH_P VS_WATCH
++#endif
+
-+#ifdef __KERNEL__
++#define VS_HARDIRQ 0x1000
++#define VS_SOFTIRQ 0x2000
++#define VS_IRQ 0x4000
+
-+#ifdef CONFIG_COMPAT
++#define VS_IRQ_MASK 0xF000
+
-+#include <asm/compat.h>
++#include <linux/hardirq.h>
+
-+struct vcmd_set_mapping_v0_x32 {
-+ compat_uptr_t device_ptr;
-+ compat_uptr_t target_ptr;
-+ uint32_t flags;
-+};
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __vs_check(int cid, int id, unsigned int mode)
++{
++ if (mode & VS_ARG_MASK) {
++ if ((mode & VS_IDENT) && (id == cid))
++ return 1;
++ }
++ if (mode & VS_ATR_MASK) {
++ if ((mode & VS_DYNAMIC) &&
++ (id >= MIN_D_CONTEXT) &&
++ (id <= MAX_S_CONTEXT))
++ return 1;
++ if ((mode & VS_STATIC) &&
++ (id > 1) && (id < MIN_D_CONTEXT))
++ return 1;
++ }
++ if (mode & VS_IRQ_MASK) {
++ if ((mode & VS_IRQ) && unlikely(in_interrupt()))
++ return 1;
++ if ((mode & VS_HARDIRQ) && unlikely(in_irq()))
++ return 1;
++ if ((mode & VS_SOFTIRQ) && unlikely(in_softirq()))
++ return 1;
++ }
++ return (((mode & VS_ADMIN) && (cid == 0)) ||
++ ((mode & VS_WATCH) && (cid == 1)) ||
++ ((mode & VS_HOSTID) && (id == 0)));
++}
++
++#define vx_check(c, m) __vs_check(vx_current_xid(), c, (m) | VS_IRQ)
++
++#define vx_weak_check(c, m) ((m) ? vx_check(c, m) : 1)
+
-+#endif /* CONFIG_COMPAT */
+
-+#include <linux/compiler.h>
++#define nx_check(c, m) __vs_check(nx_current_nid(), c, m)
+
-+extern int vc_set_mapping(struct vx_info *, void __user *);
-+extern int vc_unset_mapping(struct vx_info *, void __user *);
++#define nx_weak_check(c, m) ((m) ? nx_check(c, m) : 1)
+
-+#ifdef CONFIG_COMPAT
++#endif
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/context.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/context.h
+--- linux-3.18.5/include/linux/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/context.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,110 @@
++#ifndef _VSERVER_CONTEXT_H
++#define _VSERVER_CONTEXT_H
+
-+extern int vc_set_mapping_x32(struct vx_info *, void __user *);
-+extern int vc_unset_mapping_x32(struct vx_info *, void __user *);
+
-+#endif /* CONFIG_COMPAT */
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <uapi/vserver/context.h>
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_DEVICE_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/device_def.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/device_def.h
---- linux-2.6.27.33/include/linux/vserver/device_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/device_def.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,17 @@
-+#ifndef _VX_DEVICE_DEF_H
-+#define _VX_DEVICE_DEF_H
++#include "limit_def.h"
++#include "sched_def.h"
++#include "cvirt_def.h"
++#include "cacct_def.h"
++#include "device_def.h"
+
-+#include <linux/types.h>
++#define VX_SPACES 2
+
-+struct vx_dmap_target {
-+ dev_t target;
-+ uint32_t flags;
++struct _vx_info_pc {
++ struct _vx_sched_pc sched_pc;
++ struct _vx_cvirt_pc cvirt_pc;
+};
+
-+struct _vx_device {
-+#ifdef CONFIG_VSERVER_DEVICE
-+ struct vx_dmap_target targets[2];
-+#endif
++struct _vx_space {
++ unsigned long vx_nsmask; /* assignment mask */
++ struct nsproxy *vx_nsproxy; /* private namespaces */
++ struct fs_struct *vx_fs; /* private namespace fs */
++ const struct cred *vx_cred; /* task credentials */
+};
+
-+#endif /* _VX_DEVICE_DEF_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/device.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/device.h
---- linux-2.6.27.33/include/linux/vserver/device.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/device.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,15 @@
-+#ifndef _VX_DEVICE_H
-+#define _VX_DEVICE_H
++struct vx_info {
++ struct hlist_node vx_hlist; /* linked list of contexts */
++ vxid_t vx_id; /* context id */
++ atomic_t vx_usecnt; /* usage count */
++ atomic_t vx_tasks; /* tasks count */
++ struct vx_info *vx_parent; /* parent context */
++ int vx_state; /* context state */
+
++ struct _vx_space space[VX_SPACES]; /* namespace store */
+
-+#define DATTR_CREATE 0x00000001
-+#define DATTR_OPEN 0x00000002
++ uint64_t vx_flags; /* context flags */
++ uint64_t vx_ccaps; /* context caps (vserver) */
++ uint64_t vx_umask; /* unshare mask (guest) */
++ uint64_t vx_wmask; /* warn mask (guest) */
++ kernel_cap_t vx_bcaps; /* bounding caps (system) */
+
-+#define DATTR_REMAP 0x00000010
++ struct task_struct *vx_reaper; /* guest reaper process */
++ pid_t vx_initpid; /* PID of guest init */
++ int64_t vx_badness_bias; /* OOM points bias */
+
-+#define DATTR_MASK 0x00000013
++ struct _vx_limit limit; /* vserver limits */
++ struct _vx_sched sched; /* vserver scheduler */
++ struct _vx_cvirt cvirt; /* virtual/bias stuff */
++ struct _vx_cacct cacct; /* context accounting */
+
++ struct _vx_device dmap; /* default device map targets */
+
-+#else /* _VX_DEVICE_H */
-+#warning duplicate inclusion
-+#endif /* _VX_DEVICE_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/dlimit_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/dlimit_cmd.h
---- linux-2.6.27.33/include/linux/vserver/dlimit_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/dlimit_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,74 @@
-+#ifndef _VX_DLIMIT_CMD_H
-+#define _VX_DLIMIT_CMD_H
++#ifndef CONFIG_SMP
++ struct _vx_info_pc info_pc; /* per cpu data */
++#else
++ struct _vx_info_pc *ptr_pc; /* per cpu array */
++#endif
+
++ wait_queue_head_t vx_wait; /* context exit waitqueue */
++ int reboot_cmd; /* last sys_reboot() cmd */
++ int exit_code; /* last process exit code */
+
-+/* dlimit vserver commands */
++ char vx_name[65]; /* vserver name */
++};
+
-+#define VCMD_add_dlimit VC_CMD(DLIMIT, 1, 0)
-+#define VCMD_rem_dlimit VC_CMD(DLIMIT, 2, 0)
++#ifndef CONFIG_SMP
++#define vx_ptr_pc(vxi) (&(vxi)->info_pc)
++#define vx_per_cpu(vxi, v, id) vx_ptr_pc(vxi)->v
++#else
++#define vx_ptr_pc(vxi) ((vxi)->ptr_pc)
++#define vx_per_cpu(vxi, v, id) per_cpu_ptr(vx_ptr_pc(vxi), id)->v
++#endif
+
-+#define VCMD_set_dlimit VC_CMD(DLIMIT, 5, 0)
-+#define VCMD_get_dlimit VC_CMD(DLIMIT, 6, 0)
++#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
+
-+struct vcmd_ctx_dlimit_base_v0 {
-+ const char __user *name;
-+ uint32_t flags;
-+};
+
-+struct vcmd_ctx_dlimit_v0 {
-+ const char __user *name;
-+ uint32_t space_used; /* used space in kbytes */
-+ uint32_t space_total; /* maximum space in kbytes */
-+ uint32_t inodes_used; /* used inodes */
-+ uint32_t inodes_total; /* maximum inodes */
-+ uint32_t reserved; /* reserved for root in % */
-+ uint32_t flags;
++struct vx_info_save {
++ struct vx_info *vxi;
++ vxid_t xid;
+};
+
-+#define CDLIM_UNSET ((uint32_t)0UL)
-+#define CDLIM_INFINITY ((uint32_t)~0UL)
-+#define CDLIM_KEEP ((uint32_t)~1UL)
-+
-+#ifdef __KERNEL__
+
-+#ifdef CONFIG_COMPAT
++/* status flags */
+
-+#include <asm/compat.h>
++#define VXS_HASHED 0x0001
++#define VXS_PAUSED 0x0010
++#define VXS_SHUTDOWN 0x0100
++#define VXS_HELPER 0x1000
++#define VXS_RELEASED 0x8000
+
-+struct vcmd_ctx_dlimit_base_v0_x32 {
-+ compat_uptr_t name_ptr;
-+ uint32_t flags;
-+};
+
-+struct vcmd_ctx_dlimit_v0_x32 {
-+ compat_uptr_t name_ptr;
-+ uint32_t space_used; /* used space in kbytes */
-+ uint32_t space_total; /* maximum space in kbytes */
-+ uint32_t inodes_used; /* used inodes */
-+ uint32_t inodes_total; /* maximum inodes */
-+ uint32_t reserved; /* reserved for root in % */
-+ uint32_t flags;
-+};
++extern void claim_vx_info(struct vx_info *, struct task_struct *);
++extern void release_vx_info(struct vx_info *, struct task_struct *);
+
-+#endif /* CONFIG_COMPAT */
++extern struct vx_info *lookup_vx_info(int);
++extern struct vx_info *lookup_or_create_vx_info(int);
+
-+#include <linux/compiler.h>
++extern int get_xid_list(int, unsigned int *, int);
++extern int xid_is_hashed(vxid_t);
+
-+extern int vc_add_dlimit(uint32_t, void __user *);
-+extern int vc_rem_dlimit(uint32_t, void __user *);
++extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
+
-+extern int vc_set_dlimit(uint32_t, void __user *);
-+extern int vc_get_dlimit(uint32_t, void __user *);
++extern long vs_state_change(struct vx_info *, unsigned int);
+
-+#ifdef CONFIG_COMPAT
+
-+extern int vc_add_dlimit_x32(uint32_t, void __user *);
-+extern int vc_rem_dlimit_x32(uint32_t, void __user *);
++#endif /* _VSERVER_CONTEXT_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/context_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/context_cmd.h
+--- linux-3.18.5/include/linux/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/context_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,33 @@
++#ifndef _VSERVER_CONTEXT_CMD_H
++#define _VSERVER_CONTEXT_CMD_H
+
-+extern int vc_set_dlimit_x32(uint32_t, void __user *);
-+extern int vc_get_dlimit_x32(uint32_t, void __user *);
++#include <uapi/vserver/context_cmd.h>
+
-+#endif /* CONFIG_COMPAT */
++extern int vc_task_xid(uint32_t);
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_DLIMIT_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/dlimit.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/dlimit.h
---- linux-2.6.27.33/include/linux/vserver/dlimit.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/dlimit.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,54 @@
-+#ifndef _VX_DLIMIT_H
-+#define _VX_DLIMIT_H
++extern int vc_vx_info(struct vx_info *, void __user *);
+
-+#include "switch.h"
++extern int vc_ctx_stat(struct vx_info *, void __user *);
+
++extern int vc_ctx_create(uint32_t, void __user *);
++extern int vc_ctx_migrate(struct vx_info *, void __user *);
+
-+#ifdef __KERNEL__
++extern int vc_get_cflags(struct vx_info *, void __user *);
++extern int vc_set_cflags(struct vx_info *, void __user *);
+
-+/* keep in sync with CDLIM_INFINITY */
++extern int vc_get_ccaps(struct vx_info *, void __user *);
++extern int vc_set_ccaps(struct vx_info *, void __user *);
+
-+#define DLIM_INFINITY (~0ULL)
++extern int vc_get_bcaps(struct vx_info *, void __user *);
++extern int vc_set_bcaps(struct vx_info *, void __user *);
+
-+#include <linux/spinlock.h>
-+#include <linux/rcupdate.h>
++extern int vc_get_umask(struct vx_info *, void __user *);
++extern int vc_set_umask(struct vx_info *, void __user *);
+
-+struct super_block;
++extern int vc_get_wmask(struct vx_info *, void __user *);
++extern int vc_set_wmask(struct vx_info *, void __user *);
+
-+struct dl_info {
-+ struct hlist_node dl_hlist; /* linked list of contexts */
-+ struct rcu_head dl_rcu; /* the rcu head */
-+ tag_t dl_tag; /* context tag */
-+ atomic_t dl_usecnt; /* usage count */
-+ atomic_t dl_refcnt; /* reference count */
++extern int vc_get_badness(struct vx_info *, void __user *);
++extern int vc_set_badness(struct vx_info *, void __user *);
+
-+ struct super_block *dl_sb; /* associated superblock */
++#endif /* _VSERVER_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/cvirt.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/cvirt.h
+--- linux-3.18.5/include/linux/vserver/cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/cvirt.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,18 @@
++#ifndef _VSERVER_CVIRT_H
++#define _VSERVER_CVIRT_H
+
-+ spinlock_t dl_lock; /* protect the values */
++struct timespec;
+
-+ unsigned long long dl_space_used; /* used space in bytes */
-+ unsigned long long dl_space_total; /* maximum space in bytes */
-+ unsigned long dl_inodes_used; /* used inodes */
-+ unsigned long dl_inodes_total; /* maximum inodes */
++void vx_vsi_boottime(struct timespec *);
+
-+ unsigned int dl_nrlmult; /* non root limit mult */
-+};
++void vx_vsi_uptime(struct timespec *, struct timespec *);
+
-+struct rcu_head;
+
-+extern void rcu_free_dl_info(struct rcu_head *);
-+extern void unhash_dl_info(struct dl_info *);
++struct vx_info;
+
-+extern struct dl_info *locate_dl_info(struct super_block *, tag_t);
++void vx_update_load(struct vx_info *);
+
+
-+struct kstatfs;
++int vx_do_syslog(int, char __user *, int);
+
-+extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
++#endif /* _VSERVER_CVIRT_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/cvirt_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/cvirt_cmd.h
+--- linux-3.18.5/include/linux/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/cvirt_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_CVIRT_CMD_H
++#define _VSERVER_CVIRT_CMD_H
+
-+typedef uint64_t dlsize_t;
+
-+#endif /* __KERNEL__ */
-+#else /* _VX_DLIMIT_H */
-+#warning duplicate inclusion
-+#endif /* _VX_DLIMIT_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/global.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/global.h
---- linux-2.6.27.33/include/linux/vserver/global.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/global.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,20 @@
-+#ifndef _VX_GLOBAL_H
-+#define _VX_GLOBAL_H
++#include <linux/compiler.h>
++#include <uapi/vserver/cvirt_cmd.h>
+
++extern int vc_set_vhi_name(struct vx_info *, void __user *);
++extern int vc_get_vhi_name(struct vx_info *, void __user *);
+
-+extern atomic_t vx_global_ctotal;
-+extern atomic_t vx_global_cactive;
++extern int vc_virt_stat(struct vx_info *, void __user *);
+
-+extern atomic_t nx_global_ctotal;
-+extern atomic_t nx_global_cactive;
++#endif /* _VSERVER_CVIRT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/cvirt_def.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/cvirt_def.h
+--- linux-3.18.5/include/linux/vserver/cvirt_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/cvirt_def.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,80 @@
++#ifndef _VSERVER_CVIRT_DEF_H
++#define _VSERVER_CVIRT_DEF_H
+
-+extern atomic_t vs_global_nsproxy;
-+extern atomic_t vs_global_fs;
-+extern atomic_t vs_global_mnt_ns;
-+extern atomic_t vs_global_uts_ns;
-+extern atomic_t vs_global_ipc_ns;
-+extern atomic_t vs_global_user_ns;
-+extern atomic_t vs_global_pid_ns;
++#include <linux/jiffies.h>
++#include <linux/spinlock.h>
++#include <linux/wait.h>
++#include <linux/time.h>
++#include <asm/atomic.h>
+
+
-+#endif /* _VX_GLOBAL_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/history.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/history.h
---- linux-2.6.27.33/include/linux/vserver/history.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/history.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,197 @@
-+#ifndef _VX_HISTORY_H
-+#define _VX_HISTORY_H
++struct _vx_usage_stat {
++ uint64_t user;
++ uint64_t nice;
++ uint64_t system;
++ uint64_t softirq;
++ uint64_t irq;
++ uint64_t idle;
++ uint64_t iowait;
++};
+
++struct _vx_syslog {
++ wait_queue_head_t log_wait;
++ spinlock_t logbuf_lock; /* lock for the log buffer */
+
-+enum {
-+ VXH_UNUSED = 0,
-+ VXH_THROW_OOPS = 1,
++ unsigned long log_start; /* next char to be read by syslog() */
++ unsigned long con_start; /* next char to be sent to consoles */
++ unsigned long log_end; /* most-recently-written-char + 1 */
++ unsigned long logged_chars; /* #chars since last read+clear operation */
+
-+ VXH_GET_VX_INFO,
-+ VXH_PUT_VX_INFO,
-+ VXH_INIT_VX_INFO,
-+ VXH_SET_VX_INFO,
-+ VXH_CLR_VX_INFO,
-+ VXH_CLAIM_VX_INFO,
-+ VXH_RELEASE_VX_INFO,
-+ VXH_ALLOC_VX_INFO,
-+ VXH_DEALLOC_VX_INFO,
-+ VXH_HASH_VX_INFO,
-+ VXH_UNHASH_VX_INFO,
-+ VXH_LOC_VX_INFO,
-+ VXH_LOOKUP_VX_INFO,
-+ VXH_CREATE_VX_INFO,
++ char log_buf[1024];
+};
+
-+struct _vxhe_vxi {
-+ struct vx_info *ptr;
-+ unsigned xid;
-+ unsigned usecnt;
-+ unsigned tasks;
-+};
+
-+struct _vxhe_set_clr {
-+ void *data;
-+};
++/* context sub struct */
++
++struct _vx_cvirt {
++ atomic_t nr_threads; /* number of current threads */
++ atomic_t nr_running; /* number of running threads */
++ atomic_t nr_uninterruptible; /* number of uninterruptible threads */
++
++ atomic_t nr_onhold; /* processes on hold */
++ uint32_t onhold_last; /* jiffies when put on hold */
++
++ struct timespec bias_ts; /* time offset to the host */
++ struct timespec bias_idle;
++ struct timespec bias_uptime; /* context creation point */
++ uint64_t bias_clock; /* offset in clock_t */
++
++ spinlock_t load_lock; /* lock for the load averages */
++ atomic_t load_updates; /* nr of load updates done so far */
++ uint32_t load_last; /* last time load was calculated */
++ uint32_t load[3]; /* load averages 1,5,15 */
++
++ atomic_t total_forks; /* number of forks so far */
+
-+struct _vxhe_loc_lookup {
-+ unsigned arg;
++ struct _vx_syslog syslog;
+};
+
-+struct _vx_hist_entry {
-+ void *loc;
-+ unsigned short seq;
-+ unsigned short type;
-+ struct _vxhe_vxi vxi;
-+ union {
-+ struct _vxhe_set_clr sc;
-+ struct _vxhe_loc_lookup ll;
-+ };
++struct _vx_cvirt_pc {
++ struct _vx_usage_stat cpustat;
+};
+
-+#ifdef CONFIG_VSERVER_HISTORY
-+
-+extern unsigned volatile int vxh_active;
-+
-+struct _vx_hist_entry *vxh_advance(void *loc);
+
++#ifdef CONFIG_VSERVER_DEBUG
+
-+static inline
-+void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi)
++static inline void __dump_vx_cvirt(struct _vx_cvirt *cvirt)
+{
-+ entry->vxi.ptr = vxi;
-+ if (vxi) {
-+ entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt);
-+ entry->vxi.tasks = atomic_read(&vxi->vx_tasks);
-+ entry->vxi.xid = vxi->vx_id;
-+ }
++ printk("\t_vx_cvirt:\n");
++ printk("\t threads: %4d, %4d, %4d, %4d\n",
++ atomic_read(&cvirt->nr_threads),
++ atomic_read(&cvirt->nr_running),
++ atomic_read(&cvirt->nr_uninterruptible),
++ atomic_read(&cvirt->nr_onhold));
++ /* add rest here */
++ printk("\t total_forks = %d\n", atomic_read(&cvirt->total_forks));
+}
+
++#endif
+
-+#define __HERE__ current_text_addr()
-+
-+#define __VXH_BODY(__type, __data, __here) \
-+ struct _vx_hist_entry *entry; \
-+ \
-+ preempt_disable(); \
-+ entry = vxh_advance(__here); \
-+ __data; \
-+ entry->type = __type; \
-+ preempt_enable();
-+
++#endif /* _VSERVER_CVIRT_DEF_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/debug.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/debug.h
+--- linux-3.18.5/include/linux/vserver/debug.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/debug.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,146 @@
++#ifndef _VSERVER_DEBUG_H
++#define _VSERVER_DEBUG_H
+
-+ /* pass vxi only */
+
-+#define __VXH_SMPL \
-+ __vxh_copy_vxi(entry, vxi)
++#define VXD_CBIT(n, m) (vs_debug_ ## n & (1 << (m)))
++#define VXD_CMIN(n, m) (vs_debug_ ## n > (m))
++#define VXD_MASK(n, m) (vs_debug_ ## n & (m))
+
-+static inline
-+void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
-+{
-+ __VXH_BODY(__type, __VXH_SMPL, __here)
-+}
++#define VXD_DEV(d) (d), (d)->bd_inode->i_ino, \
++ imajor((d)->bd_inode), iminor((d)->bd_inode)
++#define VXF_DEV "%p[%lu,%d:%d]"
+
-+ /* pass vxi and data (void *) */
++#if defined(CONFIG_QUOTES_UTF8)
++#define VS_Q_LQM "\xc2\xbb"
++#define VS_Q_RQM "\xc2\xab"
++#elif defined(CONFIG_QUOTES_ASCII)
++#define VS_Q_LQM "\x27"
++#define VS_Q_RQM "\x27"
++#else
++#define VS_Q_LQM "\xbb"
++#define VS_Q_RQM "\xab"
++#endif
+
-+#define __VXH_DATA \
-+ __vxh_copy_vxi(entry, vxi); \
-+ entry->sc.data = data
++#define VS_Q(f) VS_Q_LQM f VS_Q_RQM
+
-+static inline
-+void __vxh_data(struct vx_info *vxi, void *data,
-+ int __type, void *__here)
-+{
-+ __VXH_BODY(__type, __VXH_DATA, __here)
-+}
+
-+ /* pass vxi and arg (long) */
++#define vxd_path(p) \
++ ({ static char _buffer[PATH_MAX]; \
++ d_path(p, _buffer, sizeof(_buffer)); })
+
-+#define __VXH_LONG \
-+ __vxh_copy_vxi(entry, vxi); \
-+ entry->ll.arg = arg
++#define vxd_cond_path(n) \
++ ((n) ? vxd_path(&(n)->path) : "<null>" )
+
-+static inline
-+void __vxh_long(struct vx_info *vxi, long arg,
-+ int __type, void *__here)
-+{
-+ __VXH_BODY(__type, __VXH_LONG, __here)
-+}
+
++#ifdef CONFIG_VSERVER_DEBUG
+
-+static inline
-+void __vxh_throw_oops(void *__here)
-+{
-+ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
-+ /* prevent further acquisition */
-+ vxh_active = 0;
-+}
++extern unsigned int vs_debug_switch;
++extern unsigned int vs_debug_xid;
++extern unsigned int vs_debug_nid;
++extern unsigned int vs_debug_tag;
++extern unsigned int vs_debug_net;
++extern unsigned int vs_debug_limit;
++extern unsigned int vs_debug_cres;
++extern unsigned int vs_debug_dlim;
++extern unsigned int vs_debug_quota;
++extern unsigned int vs_debug_cvirt;
++extern unsigned int vs_debug_space;
++extern unsigned int vs_debug_perm;
++extern unsigned int vs_debug_misc;
+
+
-+#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
++#define VX_LOGLEVEL "vxD: "
++#define VX_PROC_FMT "%p: "
++#define VX_PROCESS current
+
-+#define __vxh_get_vx_info(v, h) __vxh_smpl(v, VXH_GET_VX_INFO, h);
-+#define __vxh_put_vx_info(v, h) __vxh_smpl(v, VXH_PUT_VX_INFO, h);
++#define vxdprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL VX_PROC_FMT f "\n", \
++ VX_PROCESS , ##x); \
++ } while (0)
+
-+#define __vxh_init_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_INIT_VX_INFO, h);
-+#define __vxh_set_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_SET_VX_INFO, h);
-+#define __vxh_clr_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_CLR_VX_INFO, h);
++#define vxlprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
++ } while (0)
+
-+#define __vxh_claim_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_CLAIM_VX_INFO, h);
-+#define __vxh_release_vx_info(v, d, h) \
-+ __vxh_data(v, d, VXH_RELEASE_VX_INFO, h);
++#define vxfprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
++ } while (0)
+
-+#define vxh_alloc_vx_info(v) \
-+ __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__);
-+#define vxh_dealloc_vx_info(v) \
-+ __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__);
+
-+#define vxh_hash_vx_info(v) \
-+ __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__);
-+#define vxh_unhash_vx_info(v) \
-+ __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__);
++struct vx_info;
+
-+#define vxh_loc_vx_info(v, l) \
-+ __vxh_long(v, l, VXH_LOC_VX_INFO, __HERE__);
-+#define vxh_lookup_vx_info(v, l) \
-+ __vxh_long(v, l, VXH_LOOKUP_VX_INFO, __HERE__);
-+#define vxh_create_vx_info(v, l) \
-+ __vxh_long(v, l, VXH_CREATE_VX_INFO, __HERE__);
++void dump_vx_info(struct vx_info *, int);
++void dump_vx_info_inactive(int);
+
-+extern void vxh_dump_history(void);
++#else /* CONFIG_VSERVER_DEBUG */
+
++#define vs_debug_switch 0
++#define vs_debug_xid 0
++#define vs_debug_nid 0
++#define vs_debug_tag 0
++#define vs_debug_net 0
++#define vs_debug_limit 0
++#define vs_debug_cres 0
++#define vs_debug_dlim 0
++#define vs_debug_quota 0
++#define vs_debug_cvirt 0
++#define vs_debug_space 0
++#define vs_debug_perm 0
++#define vs_debug_misc 0
+
-+#else /* CONFIG_VSERVER_HISTORY */
++#define vxdprintk(x...) do { } while (0)
++#define vxlprintk(x...) do { } while (0)
++#define vxfprintk(x...) do { } while (0)
+
-+#define __HERE__ 0
++#endif /* CONFIG_VSERVER_DEBUG */
+
-+#define vxh_throw_oops() do { } while (0)
+
-+#define __vxh_get_vx_info(v, h) do { } while (0)
-+#define __vxh_put_vx_info(v, h) do { } while (0)
++#ifdef CONFIG_VSERVER_WARN
+
-+#define __vxh_init_vx_info(v, d, h) do { } while (0)
-+#define __vxh_set_vx_info(v, d, h) do { } while (0)
-+#define __vxh_clr_vx_info(v, d, h) do { } while (0)
++#define VX_WARNLEVEL KERN_WARNING "vxW: "
++#define VX_WARN_TASK "[" VS_Q("%s") ",%u:#%u|%u|%u] "
++#define VX_WARN_XID "[xid #%u] "
++#define VX_WARN_NID "[nid #%u] "
++#define VX_WARN_TAG "[tag #%u] "
+
-+#define __vxh_claim_vx_info(v, d, h) do { } while (0)
-+#define __vxh_release_vx_info(v, d, h) do { } while (0)
++#define vxwprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_WARNLEVEL f "\n", ##x); \
++ } while (0)
+
-+#define vxh_alloc_vx_info(v) do { } while (0)
-+#define vxh_dealloc_vx_info(v) do { } while (0)
++#else /* CONFIG_VSERVER_WARN */
+
-+#define vxh_hash_vx_info(v) do { } while (0)
-+#define vxh_unhash_vx_info(v) do { } while (0)
++#define vxwprintk(x...) do { } while (0)
+
-+#define vxh_loc_vx_info(v, l) do { } while (0)
-+#define vxh_lookup_vx_info(v, l) do { } while (0)
-+#define vxh_create_vx_info(v, l) do { } while (0)
++#endif /* CONFIG_VSERVER_WARN */
+
-+#define vxh_dump_history() do { } while (0)
++#define vxwprintk_task(c, f, x...) \
++ vxwprintk(c, VX_WARN_TASK f, \
++ current->comm, current->pid, \
++ current->xid, current->nid, \
++ current->tag, ##x)
++#define vxwprintk_xid(c, f, x...) \
++ vxwprintk(c, VX_WARN_XID f, current->xid, x)
++#define vxwprintk_nid(c, f, x...) \
++ vxwprintk(c, VX_WARN_NID f, current->nid, x)
++#define vxwprintk_tag(c, f, x...) \
++ vxwprintk(c, VX_WARN_TAG f, current->tag, x)
+
++#ifdef CONFIG_VSERVER_DEBUG
++#define vxd_assert_lock(l) assert_spin_locked(l)
++#define vxd_assert(c, f, x...) vxlprintk(!(c), \
++ "assertion [" f "] failed.", ##x, __FILE__, __LINE__)
++#else
++#define vxd_assert_lock(l) do { } while (0)
++#define vxd_assert(c, f, x...) do { } while (0)
++#endif
+
-+#endif /* CONFIG_VSERVER_HISTORY */
+
-+#endif /* _VX_HISTORY_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/inode_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/inode_cmd.h
---- linux-2.6.27.33/include/linux/vserver/inode_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/inode_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,59 @@
-+#ifndef _VX_INODE_CMD_H
-+#define _VX_INODE_CMD_H
++#endif /* _VSERVER_DEBUG_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/debug_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/debug_cmd.h
+--- linux-3.18.5/include/linux/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/debug_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_DEBUG_CMD_H
++#define _VSERVER_DEBUG_CMD_H
+
++#include <uapi/vserver/debug_cmd.h>
+
-+/* inode vserver commands */
+
-+#define VCMD_get_iattr VC_CMD(INODE, 1, 1)
-+#define VCMD_set_iattr VC_CMD(INODE, 2, 1)
++#ifdef CONFIG_COMPAT
+
-+#define VCMD_fget_iattr VC_CMD(INODE, 3, 0)
-+#define VCMD_fset_iattr VC_CMD(INODE, 4, 0)
++#include <asm/compat.h>
+
-+struct vcmd_ctx_iattr_v1 {
-+ const char __user *name;
-+ uint32_t tag;
-+ uint32_t flags;
-+ uint32_t mask;
++struct vcmd_read_history_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
+};
+
-+struct vcmd_ctx_fiattr_v0 {
-+ uint32_t tag;
-+ uint32_t flags;
-+ uint32_t mask;
++struct vcmd_read_monitor_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
+};
+
++#endif /* CONFIG_COMPAT */
++
++extern int vc_dump_history(uint32_t);
++
++extern int vc_read_history(uint32_t, void __user *);
++extern int vc_read_monitor(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_read_history_x32(uint32_t, void __user *);
++extern int vc_read_monitor_x32(uint32_t, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* _VSERVER_DEBUG_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/device.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/device.h
+--- linux-3.18.5/include/linux/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/device.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,9 @@
++#ifndef _VSERVER_DEVICE_H
++#define _VSERVER_DEVICE_H
++
++
++#include <uapi/vserver/device.h>
++
++#else /* _VSERVER_DEVICE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DEVICE_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/device_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/device_cmd.h
+--- linux-3.18.5/include/linux/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/device_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,31 @@
++#ifndef _VSERVER_DEVICE_CMD_H
++#define _VSERVER_DEVICE_CMD_H
+
-+#ifdef __KERNEL__
++#include <uapi/vserver/device_cmd.h>
+
+
+#ifdef CONFIG_COMPAT
+
+#include <asm/compat.h>
+
-+struct vcmd_ctx_iattr_v1_x32 {
-+ compat_uptr_t name_ptr;
-+ uint32_t tag;
++struct vcmd_set_mapping_v0_x32 {
++ compat_uptr_t device_ptr;
++ compat_uptr_t target_ptr;
+ uint32_t flags;
-+ uint32_t mask;
+};
+
+#endif /* CONFIG_COMPAT */
+
+#include <linux/compiler.h>
+
-+extern int vc_get_iattr(void __user *);
-+extern int vc_set_iattr(void __user *);
-+
-+extern int vc_fget_iattr(uint32_t, void __user *);
-+extern int vc_fset_iattr(uint32_t, void __user *);
++extern int vc_set_mapping(struct vx_info *, void __user *);
++extern int vc_unset_mapping(struct vx_info *, void __user *);
+
+#ifdef CONFIG_COMPAT
+
-+extern int vc_get_iattr_x32(void __user *);
-+extern int vc_set_iattr_x32(void __user *);
++extern int vc_set_mapping_x32(struct vx_info *, void __user *);
++extern int vc_unset_mapping_x32(struct vx_info *, void __user *);
+
+#endif /* CONFIG_COMPAT */
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_INODE_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/inode.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/inode.h
---- linux-2.6.27.33/include/linux/vserver/inode.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/inode.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,38 @@
-+#ifndef _VX_INODE_H
-+#define _VX_INODE_H
-+
-+
-+#define IATTR_TAG 0x01000000
-+
-+#define IATTR_ADMIN 0x00000001
-+#define IATTR_WATCH 0x00000002
-+#define IATTR_HIDE 0x00000004
-+#define IATTR_FLAGS 0x00000007
-+
-+#define IATTR_BARRIER 0x00010000
-+#define IATTR_IXUNLINK 0x00020000
-+#define IATTR_IMMUTABLE 0x00040000
++#endif /* _VSERVER_DEVICE_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/device_def.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/device_def.h
+--- linux-3.18.5/include/linux/vserver/device_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/device_def.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_DEVICE_DEF_H
++#define _VSERVER_DEVICE_DEF_H
+
-+#ifdef __KERNEL__
++#include <linux/types.h>
+
++struct vx_dmap_target {
++ dev_t target;
++ uint32_t flags;
++};
+
-+#ifdef CONFIG_VSERVER_PROC_SECURE
-+#define IATTR_PROC_DEFAULT ( IATTR_ADMIN | IATTR_HIDE )
-+#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
-+#else
-+#define IATTR_PROC_DEFAULT ( IATTR_ADMIN )
-+#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++struct _vx_device {
++#ifdef CONFIG_VSERVER_DEVICE
++ struct vx_dmap_target targets[2];
+#endif
++};
+
-+#define vx_hide_check(c, m) (((m) & IATTR_HIDE) ? vx_check(c, m) : 1)
-+
-+#endif /* __KERNEL__ */
-+
-+/* inode ioctls */
++#endif /* _VSERVER_DEVICE_DEF_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/dlimit.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/dlimit.h
+--- linux-3.18.5/include/linux/vserver/dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/dlimit.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,54 @@
++#ifndef _VSERVER_DLIMIT_H
++#define _VSERVER_DLIMIT_H
+
-+#define FIOC_GETXFLG _IOR('x', 5, long)
-+#define FIOC_SETXFLG _IOW('x', 6, long)
++#include "switch.h"
+
-+#else /* _VX_INODE_H */
-+#warning duplicate inclusion
-+#endif /* _VX_INODE_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/Kbuild linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/Kbuild
---- linux-2.6.27.33/include/linux/vserver/Kbuild 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/Kbuild 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,8 @@
+
-+unifdef-y += context_cmd.h network_cmd.h space_cmd.h \
-+ cacct_cmd.h cvirt_cmd.h limit_cmd.h dlimit_cmd.h \
-+ inode_cmd.h tag_cmd.h sched_cmd.h signal_cmd.h \
-+ debug_cmd.h device_cmd.h
++#ifdef __KERNEL__
+
-+unifdef-y += switch.h network.h monitor.h inode.h device.h
++/* keep in sync with CDLIM_INFINITY */
+
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/limit_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/limit_cmd.h
---- linux-2.6.27.33/include/linux/vserver/limit_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/limit_cmd.h 2009-01-04 02:28:31.000000000 +0100
-@@ -0,0 +1,69 @@
-+#ifndef _VX_LIMIT_CMD_H
-+#define _VX_LIMIT_CMD_H
++#define DLIM_INFINITY (~0ULL)
+
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
+
-+/* rlimit vserver commands */
++struct super_block;
+
-+#define VCMD_get_rlimit VC_CMD(RLIMIT, 1, 0)
-+#define VCMD_set_rlimit VC_CMD(RLIMIT, 2, 0)
-+#define VCMD_get_rlimit_mask VC_CMD(RLIMIT, 3, 0)
-+#define VCMD_reset_minmax VC_CMD(RLIMIT, 9, 0)
++struct dl_info {
++ struct hlist_node dl_hlist; /* linked list of contexts */
++ struct rcu_head dl_rcu; /* the rcu head */
++ vtag_t dl_tag; /* context tag */
++ atomic_t dl_usecnt; /* usage count */
++ atomic_t dl_refcnt; /* reference count */
+
-+struct vcmd_ctx_rlimit_v0 {
-+ uint32_t id;
-+ uint64_t minimum;
-+ uint64_t softlimit;
-+ uint64_t maximum;
-+};
++ struct super_block *dl_sb; /* associated superblock */
+
-+struct vcmd_ctx_rlimit_mask_v0 {
-+ uint32_t minimum;
-+ uint32_t softlimit;
-+ uint32_t maximum;
-+};
++ spinlock_t dl_lock; /* protect the values */
+
-+#define VCMD_rlimit_stat VC_CMD(VSTAT, 1, 0)
++ unsigned long long dl_space_used; /* used space in bytes */
++ unsigned long long dl_space_total; /* maximum space in bytes */
++ unsigned long dl_inodes_used; /* used inodes */
++ unsigned long dl_inodes_total; /* maximum inodes */
+
-+struct vcmd_rlimit_stat_v0 {
-+ uint32_t id;
-+ uint32_t hits;
-+ uint64_t value;
-+ uint64_t minimum;
-+ uint64_t maximum;
++ unsigned int dl_nrlmult; /* non root limit mult */
+};
+
-+#define CRLIM_UNSET (0ULL)
-+#define CRLIM_INFINITY (~0ULL)
-+#define CRLIM_KEEP (~1ULL)
-+
-+#ifdef __KERNEL__
-+
-+#ifdef CONFIG_IA32_EMULATION
-+
-+struct vcmd_ctx_rlimit_v0_x32 {
-+ uint32_t id;
-+ uint64_t minimum;
-+ uint64_t softlimit;
-+ uint64_t maximum;
-+} __attribute__ ((packed));
-+
-+#endif /* CONFIG_IA32_EMULATION */
++struct rcu_head;
+
-+#include <linux/compiler.h>
++extern void rcu_free_dl_info(struct rcu_head *);
++extern void unhash_dl_info(struct dl_info *);
+
-+extern int vc_get_rlimit_mask(uint32_t, void __user *);
-+extern int vc_get_rlimit(struct vx_info *, void __user *);
-+extern int vc_set_rlimit(struct vx_info *, void __user *);
-+extern int vc_reset_minmax(struct vx_info *, void __user *);
++extern struct dl_info *locate_dl_info(struct super_block *, vtag_t);
+
-+extern int vc_rlimit_stat(struct vx_info *, void __user *);
+
-+#ifdef CONFIG_IA32_EMULATION
++struct kstatfs;
+
-+extern int vc_get_rlimit_x32(struct vx_info *, void __user *);
-+extern int vc_set_rlimit_x32(struct vx_info *, void __user *);
++extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
+
-+#endif /* CONFIG_IA32_EMULATION */
++typedef uint64_t dlsize_t;
+
+#endif /* __KERNEL__ */
-+#endif /* _VX_LIMIT_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/limit_def.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/limit_def.h
---- linux-2.6.27.33/include/linux/vserver/limit_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/limit_def.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,47 @@
-+#ifndef _VX_LIMIT_DEF_H
-+#define _VX_LIMIT_DEF_H
++#else /* _VSERVER_DLIMIT_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DLIMIT_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/dlimit_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/dlimit_cmd.h
+--- linux-3.18.5/include/linux/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/dlimit_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,46 @@
++#ifndef _VSERVER_DLIMIT_CMD_H
++#define _VSERVER_DLIMIT_CMD_H
+
-+#include <asm/atomic.h>
-+#include <asm/resource.h>
++#include <uapi/vserver/dlimit_cmd.h>
+
-+#include "limit.h"
+
++#ifdef CONFIG_COMPAT
+
-+struct _vx_res_limit {
-+ rlim_t soft; /* Context soft limit */
-+ rlim_t hard; /* Context hard limit */
++#include <asm/compat.h>
+
-+ rlim_atomic_t rcur; /* Current value */
-+ rlim_t rmin; /* Context minimum */
-+ rlim_t rmax; /* Context maximum */
++struct vcmd_ctx_dlimit_base_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t flags;
++};
+
-+ atomic_t lhit; /* Limit hits */
++struct vcmd_ctx_dlimit_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t space_used; /* used space in kbytes */
++ uint32_t space_total; /* maximum space in kbytes */
++ uint32_t inodes_used; /* used inodes */
++ uint32_t inodes_total; /* maximum inodes */
++ uint32_t reserved; /* reserved for root in % */
++ uint32_t flags;
+};
+
-+/* context sub struct */
++#endif /* CONFIG_COMPAT */
+
-+struct _vx_limit {
-+ struct _vx_res_limit res[NUM_LIMITS];
-+};
++#include <linux/compiler.h>
+
-+#ifdef CONFIG_VSERVER_DEBUG
++extern int vc_add_dlimit(uint32_t, void __user *);
++extern int vc_rem_dlimit(uint32_t, void __user *);
+
-+static inline void __dump_vx_limit(struct _vx_limit *limit)
-+{
-+ int i;
++extern int vc_set_dlimit(uint32_t, void __user *);
++extern int vc_get_dlimit(uint32_t, void __user *);
+
-+ printk("\t_vx_limit:");
-+ for (i = 0; i < NUM_LIMITS; i++) {
-+ printk("\t [%2d] = %8lu %8lu/%8lu, %8ld/%8ld, %8d\n",
-+ i, (unsigned long)__rlim_get(limit, i),
-+ (unsigned long)__rlim_rmin(limit, i),
-+ (unsigned long)__rlim_rmax(limit, i),
-+ (long)__rlim_soft(limit, i),
-+ (long)__rlim_hard(limit, i),
-+ atomic_read(&__rlim_lhit(limit, i)));
-+ }
-+}
++#ifdef CONFIG_COMPAT
+
-+#endif
++extern int vc_add_dlimit_x32(uint32_t, void __user *);
++extern int vc_rem_dlimit_x32(uint32_t, void __user *);
+
-+#endif /* _VX_LIMIT_DEF_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/limit.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/limit.h
---- linux-2.6.27.33/include/linux/vserver/limit.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/limit.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,70 @@
-+#ifndef _VX_LIMIT_H
-+#define _VX_LIMIT_H
++extern int vc_set_dlimit_x32(uint32_t, void __user *);
++extern int vc_get_dlimit_x32(uint32_t, void __user *);
+
-+#define VLIMIT_NSOCK 16
-+#define VLIMIT_OPENFD 17
-+#define VLIMIT_ANON 18
-+#define VLIMIT_SHMEM 19
-+#define VLIMIT_SEMARY 20
-+#define VLIMIT_NSEMS 21
-+#define VLIMIT_DENTRY 22
-+#define VLIMIT_MAPPED 23
++#endif /* CONFIG_COMPAT */
+
++#endif /* _VSERVER_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/global.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/global.h
+--- linux-3.18.5/include/linux/vserver/global.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/global.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VSERVER_GLOBAL_H
++#define _VSERVER_GLOBAL_H
+
-+#ifdef __KERNEL__
+
-+#define VLIM_NOCHECK ((1L << VLIMIT_DENTRY) | (1L << RLIMIT_RSS))
++extern atomic_t vx_global_ctotal;
++extern atomic_t vx_global_cactive;
+
-+/* keep in sync with CRLIM_INFINITY */
++extern atomic_t nx_global_ctotal;
++extern atomic_t nx_global_cactive;
+
-+#define VLIM_INFINITY (~0ULL)
++extern atomic_t vs_global_nsproxy;
++extern atomic_t vs_global_fs;
++extern atomic_t vs_global_mnt_ns;
++extern atomic_t vs_global_uts_ns;
++extern atomic_t vs_global_user_ns;
++extern atomic_t vs_global_pid_ns;
+
-+#include <asm/atomic.h>
-+#include <asm/resource.h>
+
-+#ifndef RLIM_INFINITY
-+#warning RLIM_INFINITY is undefined
-+#endif
++#endif /* _VSERVER_GLOBAL_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/history.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/history.h
+--- linux-3.18.5/include/linux/vserver/history.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/history.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,197 @@
++#ifndef _VSERVER_HISTORY_H
++#define _VSERVER_HISTORY_H
+
-+#define __rlim_val(l, r, v) ((l)->res[r].v)
+
-+#define __rlim_soft(l, r) __rlim_val(l, r, soft)
-+#define __rlim_hard(l, r) __rlim_val(l, r, hard)
++enum {
++ VXH_UNUSED = 0,
++ VXH_THROW_OOPS = 1,
+
-+#define __rlim_rcur(l, r) __rlim_val(l, r, rcur)
-+#define __rlim_rmin(l, r) __rlim_val(l, r, rmin)
-+#define __rlim_rmax(l, r) __rlim_val(l, r, rmax)
++ VXH_GET_VX_INFO,
++ VXH_PUT_VX_INFO,
++ VXH_INIT_VX_INFO,
++ VXH_SET_VX_INFO,
++ VXH_CLR_VX_INFO,
++ VXH_CLAIM_VX_INFO,
++ VXH_RELEASE_VX_INFO,
++ VXH_ALLOC_VX_INFO,
++ VXH_DEALLOC_VX_INFO,
++ VXH_HASH_VX_INFO,
++ VXH_UNHASH_VX_INFO,
++ VXH_LOC_VX_INFO,
++ VXH_LOOKUP_VX_INFO,
++ VXH_CREATE_VX_INFO,
++};
+
-+#define __rlim_lhit(l, r) __rlim_val(l, r, lhit)
-+#define __rlim_hit(l, r) atomic_inc(&__rlim_lhit(l, r))
++struct _vxhe_vxi {
++ struct vx_info *ptr;
++ unsigned xid;
++ unsigned usecnt;
++ unsigned tasks;
++};
+
-+typedef atomic_long_t rlim_atomic_t;
-+typedef unsigned long rlim_t;
++struct _vxhe_set_clr {
++ void *data;
++};
+
-+#define __rlim_get(l, r) atomic_long_read(&__rlim_rcur(l, r))
-+#define __rlim_set(l, r, v) atomic_long_set(&__rlim_rcur(l, r), v)
-+#define __rlim_inc(l, r) atomic_long_inc(&__rlim_rcur(l, r))
-+#define __rlim_dec(l, r) atomic_long_dec(&__rlim_rcur(l, r))
-+#define __rlim_add(l, r, v) atomic_long_add(v, &__rlim_rcur(l, r))
-+#define __rlim_sub(l, r, v) atomic_long_sub(v, &__rlim_rcur(l, r))
++struct _vxhe_loc_lookup {
++ unsigned arg;
++};
+
++struct _vx_hist_entry {
++ void *loc;
++ unsigned short seq;
++ unsigned short type;
++ struct _vxhe_vxi vxi;
++ union {
++ struct _vxhe_set_clr sc;
++ struct _vxhe_loc_lookup ll;
++ };
++};
+
-+#if (RLIM_INFINITY == VLIM_INFINITY)
-+#define VX_VLIM(r) ((long long)(long)(r))
-+#define VX_RLIM(v) ((rlim_t)(v))
-+#else
-+#define VX_VLIM(r) (((r) == RLIM_INFINITY) \
-+ ? VLIM_INFINITY : (long long)(r))
-+#define VX_RLIM(v) (((v) == VLIM_INFINITY) \
-+ ? RLIM_INFINITY : (rlim_t)(v))
-+#endif
++#ifdef CONFIG_VSERVER_HISTORY
+
-+struct sysinfo;
++extern unsigned volatile int vxh_active;
+
-+void vx_vsi_meminfo(struct sysinfo *);
-+void vx_vsi_swapinfo(struct sysinfo *);
++struct _vx_hist_entry *vxh_advance(void *loc);
+
-+#define NUM_LIMITS 24
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_LIMIT_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/limit_int.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/limit_int.h
---- linux-2.6.27.33/include/linux/vserver/limit_int.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/limit_int.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,198 @@
-+#ifndef _VX_LIMIT_INT_H
-+#define _VX_LIMIT_INT_H
++static inline
++void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi)
++{
++ entry->vxi.ptr = vxi;
++ if (vxi) {
++ entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt);
++ entry->vxi.tasks = atomic_read(&vxi->vx_tasks);
++ entry->vxi.xid = vxi->vx_id;
++ }
++}
+
-+#include "context.h"
+
-+#ifdef __KERNEL__
++#define __HERE__ current_text_addr()
+
-+#define VXD_RCRES_COND(r) VXD_CBIT(cres, r)
-+#define VXD_RLIMIT_COND(r) VXD_CBIT(limit, r)
++#define __VXH_BODY(__type, __data, __here) \
++ struct _vx_hist_entry *entry; \
++ \
++ preempt_disable(); \
++ entry = vxh_advance(__here); \
++ __data; \
++ entry->type = __type; \
++ preempt_enable();
+
-+extern const char *vlimit_name[NUM_LIMITS];
+
-+static inline void __vx_acc_cres(struct vx_info *vxi,
-+ int res, int dir, void *_data, char *_file, int _line)
-+{
-+ if (VXD_RCRES_COND(res))
-+ vxlprintk(1, "vx_acc_cres[%5d,%s,%2d]: %5ld%s (%p)",
-+ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
-+ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
-+ (dir > 0) ? "++" : "--", _data, _file, _line);
-+ if (!vxi)
-+ return;
++ /* pass vxi only */
+
-+ if (dir > 0)
-+ __rlim_inc(&vxi->limit, res);
-+ else
-+ __rlim_dec(&vxi->limit, res);
-+}
++#define __VXH_SMPL \
++ __vxh_copy_vxi(entry, vxi)
+
-+static inline void __vx_add_cres(struct vx_info *vxi,
-+ int res, int amount, void *_data, char *_file, int _line)
++static inline
++void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
+{
-+ if (VXD_RCRES_COND(res))
-+ vxlprintk(1, "vx_add_cres[%5d,%s,%2d]: %5ld += %5d (%p)",
-+ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
-+ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
-+ amount, _data, _file, _line);
-+ if (amount == 0)
-+ return;
-+ if (!vxi)
-+ return;
-+ __rlim_add(&vxi->limit, res, amount);
++ __VXH_BODY(__type, __VXH_SMPL, __here)
+}
+
++ /* pass vxi and data (void *) */
++
++#define __VXH_DATA \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->sc.data = data
++
+static inline
-+int __vx_cres_adjust_max(struct _vx_limit *limit, int res, rlim_t value)
++void __vxh_data(struct vx_info *vxi, void *data,
++ int __type, void *__here)
+{
-+ int cond = (value > __rlim_rmax(limit, res));
-+
-+ if (cond)
-+ __rlim_rmax(limit, res) = value;
-+ return cond;
++ __VXH_BODY(__type, __VXH_DATA, __here)
+}
+
++ /* pass vxi and arg (long) */
++
++#define __VXH_LONG \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->ll.arg = arg
++
+static inline
-+int __vx_cres_adjust_min(struct _vx_limit *limit, int res, rlim_t value)
++void __vxh_long(struct vx_info *vxi, long arg,
++ int __type, void *__here)
+{
-+ int cond = (value < __rlim_rmin(limit, res));
-+
-+ if (cond)
-+ __rlim_rmin(limit, res) = value;
-+ return cond;
++ __VXH_BODY(__type, __VXH_LONG, __here)
+}
+
++
+static inline
-+void __vx_cres_fixup(struct _vx_limit *limit, int res, rlim_t value)
++void __vxh_throw_oops(void *__here)
+{
-+ if (!__vx_cres_adjust_max(limit, res, value))
-+ __vx_cres_adjust_min(limit, res, value);
++ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
++ /* prevent further acquisition */
++ vxh_active = 0;
+}
+
+
-+/* return values:
-+ +1 ... no limit hit
-+ -1 ... over soft limit
-+ 0 ... over hard limit */
++#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
+
-+static inline int __vx_cres_avail(struct vx_info *vxi,
-+ int res, int num, char *_file, int _line)
-+{
-+ struct _vx_limit *limit;
-+ rlim_t value;
++#define __vxh_get_vx_info(v, h) __vxh_smpl(v, VXH_GET_VX_INFO, h);
++#define __vxh_put_vx_info(v, h) __vxh_smpl(v, VXH_PUT_VX_INFO, h);
+
-+ if (VXD_RLIMIT_COND(res))
-+ vxlprintk(1, "vx_cres_avail[%5d,%s,%2d]: %5ld/%5ld > %5ld + %5d",
-+ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
-+ (vxi ? (long)__rlim_soft(&vxi->limit, res) : -1),
-+ (vxi ? (long)__rlim_hard(&vxi->limit, res) : -1),
-+ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
-+ num, _file, _line);
-+ if (!vxi)
-+ return 1;
++#define __vxh_init_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_INIT_VX_INFO, h);
++#define __vxh_set_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_SET_VX_INFO, h);
++#define __vxh_clr_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLR_VX_INFO, h);
+
-+ limit = &vxi->limit;
-+ value = __rlim_get(limit, res);
++#define __vxh_claim_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLAIM_VX_INFO, h);
++#define __vxh_release_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_RELEASE_VX_INFO, h);
+
-+ if (!__vx_cres_adjust_max(limit, res, value))
-+ __vx_cres_adjust_min(limit, res, value);
++#define vxh_alloc_vx_info(v) \
++ __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__);
++#define vxh_dealloc_vx_info(v) \
++ __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__);
+
-+ if (num == 0)
-+ return 1;
++#define vxh_hash_vx_info(v) \
++ __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__);
++#define vxh_unhash_vx_info(v) \
++ __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__);
+
-+ if (__rlim_soft(limit, res) == RLIM_INFINITY)
-+ return -1;
-+ if (value + num <= __rlim_soft(limit, res))
-+ return -1;
++#define vxh_loc_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOC_VX_INFO, __HERE__);
++#define vxh_lookup_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOOKUP_VX_INFO, __HERE__);
++#define vxh_create_vx_info(v, l) \
++ __vxh_long(v, l, VXH_CREATE_VX_INFO, __HERE__);
+
-+ if (__rlim_hard(limit, res) == RLIM_INFINITY)
-+ return 1;
-+ if (value + num <= __rlim_hard(limit, res))
-+ return 1;
++extern void vxh_dump_history(void);
+
-+ __rlim_hit(limit, res);
-+ return 0;
-+}
+
++#else /* CONFIG_VSERVER_HISTORY */
+
-+static const int VLA_RSS[] = { RLIMIT_RSS, VLIMIT_ANON, VLIMIT_MAPPED, 0 };
++#define __HERE__ 0
+
-+static inline
-+rlim_t __vx_cres_array_sum(struct _vx_limit *limit, const int *array)
-+{
-+ rlim_t value, sum = 0;
-+ int res;
++#define vxh_throw_oops() do { } while (0)
+
-+ while ((res = *array++)) {
-+ value = __rlim_get(limit, res);
-+ __vx_cres_fixup(limit, res, value);
-+ sum += value;
-+ }
-+ return sum;
-+}
++#define __vxh_get_vx_info(v, h) do { } while (0)
++#define __vxh_put_vx_info(v, h) do { } while (0)
+
-+static inline
-+rlim_t __vx_cres_array_fixup(struct _vx_limit *limit, const int *array)
-+{
-+ rlim_t value = __vx_cres_array_sum(limit, array + 1);
-+ int res = *array;
++#define __vxh_init_vx_info(v, d, h) do { } while (0)
++#define __vxh_set_vx_info(v, d, h) do { } while (0)
++#define __vxh_clr_vx_info(v, d, h) do { } while (0)
+
-+ if (value == __rlim_get(limit, res))
-+ return value;
++#define __vxh_claim_vx_info(v, d, h) do { } while (0)
++#define __vxh_release_vx_info(v, d, h) do { } while (0)
+
-+ __rlim_set(limit, res, value);
-+ /* now adjust min/max */
-+ if (!__vx_cres_adjust_max(limit, res, value))
-+ __vx_cres_adjust_min(limit, res, value);
++#define vxh_alloc_vx_info(v) do { } while (0)
++#define vxh_dealloc_vx_info(v) do { } while (0)
+
-+ return value;
-+}
++#define vxh_hash_vx_info(v) do { } while (0)
++#define vxh_unhash_vx_info(v) do { } while (0)
++
++#define vxh_loc_vx_info(v, l) do { } while (0)
++#define vxh_lookup_vx_info(v, l) do { } while (0)
++#define vxh_create_vx_info(v, l) do { } while (0)
++
++#define vxh_dump_history() do { } while (0)
++
++
++#endif /* CONFIG_VSERVER_HISTORY */
++
++#endif /* _VSERVER_HISTORY_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/inode.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/inode.h
+--- linux-3.18.5/include/linux/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/inode.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VSERVER_INODE_H
++#define _VSERVER_INODE_H
++
++#include <uapi/vserver/inode.h>
++
++
++#ifdef CONFIG_VSERVER_PROC_SECURE
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN | IATTR_HIDE )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#else
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#endif
+
-+static inline int __vx_cres_array_avail(struct vx_info *vxi,
-+ const int *array, int num, char *_file, int _line)
-+{
-+ struct _vx_limit *limit;
-+ rlim_t value = 0;
-+ int res;
++#define vx_hide_check(c, m) (((m) & IATTR_HIDE) ? vx_check(c, m) : 1)
+
-+ if (num == 0)
-+ return 1;
-+ if (!vxi)
-+ return 1;
++#else /* _VSERVER_INODE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_INODE_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/inode_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/inode_cmd.h
+--- linux-3.18.5/include/linux/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/inode_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,36 @@
++#ifndef _VSERVER_INODE_CMD_H
++#define _VSERVER_INODE_CMD_H
+
-+ limit = &vxi->limit;
-+ res = *array;
-+ value = __vx_cres_array_sum(limit, array + 1);
++#include <uapi/vserver/inode_cmd.h>
+
-+ __rlim_set(limit, res, value);
-+ __vx_cres_fixup(limit, res, value);
+
-+ return __vx_cres_avail(vxi, res, num, _file, _line);
-+}
+
++#ifdef CONFIG_COMPAT
+
-+static inline void vx_limit_fixup(struct _vx_limit *limit, int id)
-+{
-+ rlim_t value;
-+ int res;
++#include <asm/compat.h>
+
-+ /* complex resources first */
-+ if ((id < 0) || (id == RLIMIT_RSS))
-+ __vx_cres_array_fixup(limit, VLA_RSS);
++struct vcmd_ctx_iattr_v1_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
+
-+ for (res = 0; res < NUM_LIMITS; res++) {
-+ if ((id > 0) && (res != id))
-+ continue;
++#endif /* CONFIG_COMPAT */
+
-+ value = __rlim_get(limit, res);
-+ __vx_cres_fixup(limit, res, value);
++#include <linux/compiler.h>
+
-+ /* not supposed to happen, maybe warn? */
-+ if (__rlim_rmax(limit, res) > __rlim_hard(limit, res))
-+ __rlim_rmax(limit, res) = __rlim_hard(limit, res);
-+ }
-+}
++extern int vc_get_iattr(void __user *);
++extern int vc_set_iattr(void __user *);
+
++extern int vc_fget_iattr(uint32_t, void __user *);
++extern int vc_fset_iattr(uint32_t, void __user *);
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_LIMIT_INT_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/monitor.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/monitor.h
---- linux-2.6.27.33/include/linux/vserver/monitor.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/monitor.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,96 @@
-+#ifndef _VX_MONITOR_H
-+#define _VX_MONITOR_H
++#ifdef CONFIG_COMPAT
+
-+#include <linux/types.h>
++extern int vc_get_iattr_x32(void __user *);
++extern int vc_set_iattr_x32(void __user *);
+
-+enum {
-+ VXM_UNUSED = 0,
++#endif /* CONFIG_COMPAT */
+
-+ VXM_SYNC = 0x10,
++#endif /* _VSERVER_INODE_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/limit.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/limit.h
+--- linux-3.18.5/include/linux/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/limit.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,61 @@
++#ifndef _VSERVER_LIMIT_H
++#define _VSERVER_LIMIT_H
+
-+ VXM_UPDATE = 0x20,
-+ VXM_UPDATE_1,
-+ VXM_UPDATE_2,
++#include <uapi/vserver/limit.h>
+
-+ VXM_RQINFO_1 = 0x24,
-+ VXM_RQINFO_2,
+
-+ VXM_ACTIVATE = 0x40,
-+ VXM_DEACTIVATE,
-+ VXM_IDLE,
++#define VLIM_NOCHECK ((1L << VLIMIT_DENTRY) | (1L << RLIMIT_RSS))
+
-+ VXM_HOLD = 0x44,
-+ VXM_UNHOLD,
++/* keep in sync with CRLIM_INFINITY */
+
-+ VXM_MIGRATE = 0x48,
-+ VXM_RESCHED,
++#define VLIM_INFINITY (~0ULL)
+
-+ /* all other bits are flags */
-+ VXM_SCHED = 0x80,
-+};
++#include <asm/atomic.h>
++#include <asm/resource.h>
+
-+struct _vxm_update_1 {
-+ uint32_t tokens_max;
-+ uint32_t fill_rate;
-+ uint32_t interval;
-+};
++#ifndef RLIM_INFINITY
++#warning RLIM_INFINITY is undefined
++#endif
+
-+struct _vxm_update_2 {
-+ uint32_t tokens_min;
-+ uint32_t fill_rate;
-+ uint32_t interval;
-+};
++#define __rlim_val(l, r, v) ((l)->res[r].v)
+
-+struct _vxm_rqinfo_1 {
-+ uint16_t running;
-+ uint16_t onhold;
-+ uint16_t iowait;
-+ uint16_t uintr;
-+ uint32_t idle_tokens;
-+};
++#define __rlim_soft(l, r) __rlim_val(l, r, soft)
++#define __rlim_hard(l, r) __rlim_val(l, r, hard)
+
-+struct _vxm_rqinfo_2 {
-+ uint32_t norm_time;
-+ uint32_t idle_time;
-+ uint32_t idle_skip;
-+};
++#define __rlim_rcur(l, r) __rlim_val(l, r, rcur)
++#define __rlim_rmin(l, r) __rlim_val(l, r, rmin)
++#define __rlim_rmax(l, r) __rlim_val(l, r, rmax)
+
-+struct _vxm_sched {
-+ uint32_t tokens;
-+ uint32_t norm_time;
-+ uint32_t idle_time;
-+};
++#define __rlim_lhit(l, r) __rlim_val(l, r, lhit)
++#define __rlim_hit(l, r) atomic_inc(&__rlim_lhit(l, r))
+
-+struct _vxm_task {
-+ uint16_t pid;
-+ uint16_t state;
-+};
++typedef atomic_long_t rlim_atomic_t;
++typedef unsigned long rlim_t;
+
-+struct _vxm_event {
-+ uint32_t jif;
-+ union {
-+ uint32_t seq;
-+ uint32_t sec;
-+ };
-+ union {
-+ uint32_t tokens;
-+ uint32_t nsec;
-+ struct _vxm_task tsk;
-+ };
-+};
++#define __rlim_get(l, r) atomic_long_read(&__rlim_rcur(l, r))
++#define __rlim_set(l, r, v) atomic_long_set(&__rlim_rcur(l, r), v)
++#define __rlim_inc(l, r) atomic_long_inc(&__rlim_rcur(l, r))
++#define __rlim_dec(l, r) atomic_long_dec(&__rlim_rcur(l, r))
++#define __rlim_add(l, r, v) atomic_long_add(v, &__rlim_rcur(l, r))
++#define __rlim_sub(l, r, v) atomic_long_sub(v, &__rlim_rcur(l, r))
+
-+struct _vx_mon_entry {
-+ uint16_t type;
-+ uint16_t xid;
-+ union {
-+ struct _vxm_event ev;
-+ struct _vxm_sched sd;
-+ struct _vxm_update_1 u1;
-+ struct _vxm_update_2 u2;
-+ struct _vxm_rqinfo_1 q1;
-+ struct _vxm_rqinfo_2 q2;
-+ };
-+};
+
++#if (RLIM_INFINITY == VLIM_INFINITY)
++#define VX_VLIM(r) ((long long)(long)(r))
++#define VX_RLIM(v) ((rlim_t)(v))
++#else
++#define VX_VLIM(r) (((r) == RLIM_INFINITY) \
++ ? VLIM_INFINITY : (long long)(r))
++#define VX_RLIM(v) (((v) == VLIM_INFINITY) \
++ ? RLIM_INFINITY : (rlim_t)(v))
++#endif
+
-+#endif /* _VX_MONITOR_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/network_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/network_cmd.h
---- linux-2.6.27.33/include/linux/vserver/network_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/network_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,150 @@
-+#ifndef _VX_NETWORK_CMD_H
-+#define _VX_NETWORK_CMD_H
++struct sysinfo;
+
++void vx_vsi_meminfo(struct sysinfo *);
++void vx_vsi_swapinfo(struct sysinfo *);
++long vx_vsi_cached(struct sysinfo *);
+
-+/* vinfo commands */
++#define NUM_LIMITS 24
+
-+#define VCMD_task_nid VC_CMD(VINFO, 2, 0)
++#endif /* _VSERVER_LIMIT_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/limit_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/limit_cmd.h
+--- linux-3.18.5/include/linux/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/limit_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,35 @@
++#ifndef _VSERVER_LIMIT_CMD_H
++#define _VSERVER_LIMIT_CMD_H
+
-+#ifdef __KERNEL__
-+extern int vc_task_nid(uint32_t);
++#include <uapi/vserver/limit_cmd.h>
+
-+#endif /* __KERNEL__ */
+
-+#define VCMD_nx_info VC_CMD(VINFO, 6, 0)
++#ifdef CONFIG_IA32_EMULATION
+
-+struct vcmd_nx_info_v0 {
-+ uint32_t nid;
-+ /* more to come */
-+};
++struct vcmd_ctx_rlimit_v0_x32 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++} __attribute__ ((packed));
+
-+#ifdef __KERNEL__
-+extern int vc_nx_info(struct nx_info *, void __user *);
++#endif /* CONFIG_IA32_EMULATION */
+
-+#endif /* __KERNEL__ */
++#include <linux/compiler.h>
+
-+#include <linux/in.h>
-+#include <linux/in6.h>
++extern int vc_get_rlimit_mask(uint32_t, void __user *);
++extern int vc_get_rlimit(struct vx_info *, void __user *);
++extern int vc_set_rlimit(struct vx_info *, void __user *);
++extern int vc_reset_hits(struct vx_info *, void __user *);
++extern int vc_reset_minmax(struct vx_info *, void __user *);
+
-+#define VCMD_net_create_v0 VC_CMD(VNET, 1, 0)
-+#define VCMD_net_create VC_CMD(VNET, 1, 1)
++extern int vc_rlimit_stat(struct vx_info *, void __user *);
+
-+struct vcmd_net_create {
-+ uint64_t flagword;
-+};
++#ifdef CONFIG_IA32_EMULATION
+
-+#define VCMD_net_migrate VC_CMD(NETMIG, 1, 0)
++extern int vc_get_rlimit_x32(struct vx_info *, void __user *);
++extern int vc_set_rlimit_x32(struct vx_info *, void __user *);
+
-+#define VCMD_net_add VC_CMD(NETALT, 1, 0)
-+#define VCMD_net_remove VC_CMD(NETALT, 2, 0)
++#endif /* CONFIG_IA32_EMULATION */
+
-+struct vcmd_net_addr_v0 {
-+ uint16_t type;
-+ uint16_t count;
-+ struct in_addr ip[4];
-+ struct in_addr mask[4];
-+};
++#endif /* _VSERVER_LIMIT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/limit_def.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/limit_def.h
+--- linux-3.18.5/include/linux/vserver/limit_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/limit_def.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VSERVER_LIMIT_DEF_H
++#define _VSERVER_LIMIT_DEF_H
+
-+#define VCMD_net_add_ipv4 VC_CMD(NETALT, 1, 1)
-+#define VCMD_net_remove_ipv4 VC_CMD(NETALT, 2, 1)
++#include <asm/atomic.h>
++#include <asm/resource.h>
+
-+struct vcmd_net_addr_ipv4_v1 {
-+ uint16_t type;
-+ uint16_t flags;
-+ struct in_addr ip;
-+ struct in_addr mask;
-+};
++#include "limit.h"
+
-+#define VCMD_net_add_ipv6 VC_CMD(NETALT, 3, 1)
-+#define VCMD_net_remove_ipv6 VC_CMD(NETALT, 4, 1)
+
-+struct vcmd_net_addr_ipv6_v1 {
-+ uint16_t type;
-+ uint16_t flags;
-+ uint32_t prefix;
-+ struct in6_addr ip;
-+ struct in6_addr mask;
-+};
++struct _vx_res_limit {
++ rlim_t soft; /* Context soft limit */
++ rlim_t hard; /* Context hard limit */
+
-+#define VCMD_add_match_ipv4 VC_CMD(NETALT, 5, 0)
-+#define VCMD_get_match_ipv4 VC_CMD(NETALT, 6, 0)
++ rlim_atomic_t rcur; /* Current value */
++ rlim_t rmin; /* Context minimum */
++ rlim_t rmax; /* Context maximum */
+
-+struct vcmd_match_ipv4_v0 {
-+ uint16_t type;
-+ uint16_t flags;
-+ uint16_t parent;
-+ uint16_t prefix;
-+ struct in_addr ip;
-+ struct in_addr ip2;
-+ struct in_addr mask;
++ atomic_t lhit; /* Limit hits */
+};
+
-+#define VCMD_add_match_ipv6 VC_CMD(NETALT, 7, 0)
-+#define VCMD_get_match_ipv6 VC_CMD(NETALT, 8, 0)
++/* context sub struct */
+
-+struct vcmd_match_ipv6_v0 {
-+ uint16_t type;
-+ uint16_t flags;
-+ uint16_t parent;
-+ uint16_t prefix;
-+ struct in6_addr ip;
-+ struct in6_addr ip2;
-+ struct in6_addr mask;
++struct _vx_limit {
++ struct _vx_res_limit res[NUM_LIMITS];
+};
+
++#ifdef CONFIG_VSERVER_DEBUG
+
-+#ifdef __KERNEL__
-+extern int vc_net_create(uint32_t, void __user *);
-+extern int vc_net_migrate(struct nx_info *, void __user *);
-+
-+extern int vc_net_add(struct nx_info *, void __user *);
-+extern int vc_net_remove(struct nx_info *, void __user *);
++static inline void __dump_vx_limit(struct _vx_limit *limit)
++{
++ int i;
+
-+extern int vc_net_add_ipv4(struct nx_info *, void __user *);
-+extern int vc_net_remove_ipv4(struct nx_info *, void __user *);
++ printk("\t_vx_limit:");
++ for (i = 0; i < NUM_LIMITS; i++) {
++ printk("\t [%2d] = %8lu %8lu/%8lu, %8ld/%8ld, %8d\n",
++ i, (unsigned long)__rlim_get(limit, i),
++ (unsigned long)__rlim_rmin(limit, i),
++ (unsigned long)__rlim_rmax(limit, i),
++ (long)__rlim_soft(limit, i),
++ (long)__rlim_hard(limit, i),
++ atomic_read(&__rlim_lhit(limit, i)));
++ }
++}
+
-+extern int vc_net_add_ipv6(struct nx_info *, void __user *);
-+extern int vc_net_remove_ipv6(struct nx_info *, void __user *);
++#endif
+
-+extern int vc_add_match_ipv4(struct nx_info *, void __user *);
-+extern int vc_get_match_ipv4(struct nx_info *, void __user *);
++#endif /* _VSERVER_LIMIT_DEF_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/limit_int.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/limit_int.h
+--- linux-3.18.5/include/linux/vserver/limit_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/limit_int.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,193 @@
++#ifndef _VSERVER_LIMIT_INT_H
++#define _VSERVER_LIMIT_INT_H
+
-+extern int vc_add_match_ipv6(struct nx_info *, void __user *);
-+extern int vc_get_match_ipv6(struct nx_info *, void __user *);
++#define VXD_RCRES_COND(r) VXD_CBIT(cres, r)
++#define VXD_RLIMIT_COND(r) VXD_CBIT(limit, r)
+
-+#endif /* __KERNEL__ */
++extern const char *vlimit_name[NUM_LIMITS];
+
++static inline void __vx_acc_cres(struct vx_info *vxi,
++ int res, int dir, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_acc_cres[%5d,%s,%2d]: %5ld%s (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ (dir > 0) ? "++" : "--", _data, _file, _line);
++ if (!vxi)
++ return;
+
-+/* flag commands */
++ if (dir > 0)
++ __rlim_inc(&vxi->limit, res);
++ else
++ __rlim_dec(&vxi->limit, res);
++}
+
-+#define VCMD_get_nflags VC_CMD(FLAGS, 5, 0)
-+#define VCMD_set_nflags VC_CMD(FLAGS, 6, 0)
++static inline void __vx_add_cres(struct vx_info *vxi,
++ int res, int amount, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_add_cres[%5d,%s,%2d]: %5ld += %5d (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ amount, _data, _file, _line);
++ if (amount == 0)
++ return;
++ if (!vxi)
++ return;
++ __rlim_add(&vxi->limit, res, amount);
++}
+
-+struct vcmd_net_flags_v0 {
-+ uint64_t flagword;
-+ uint64_t mask;
-+};
++static inline
++int __vx_cres_adjust_max(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value > __rlim_rmax(limit, res));
+
-+#ifdef __KERNEL__
-+extern int vc_get_nflags(struct nx_info *, void __user *);
-+extern int vc_set_nflags(struct nx_info *, void __user *);
++ if (cond)
++ __rlim_rmax(limit, res) = value;
++ return cond;
++}
+
-+#endif /* __KERNEL__ */
++static inline
++int __vx_cres_adjust_min(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value < __rlim_rmin(limit, res));
+
++ if (cond)
++ __rlim_rmin(limit, res) = value;
++ return cond;
++}
+
-+/* network caps commands */
++static inline
++void __vx_cres_fixup(struct _vx_limit *limit, int res, rlim_t value)
++{
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++}
+
-+#define VCMD_get_ncaps VC_CMD(FLAGS, 7, 0)
-+#define VCMD_set_ncaps VC_CMD(FLAGS, 8, 0)
+
-+struct vcmd_net_caps_v0 {
-+ uint64_t ncaps;
-+ uint64_t cmask;
-+};
++/* return values:
++ +1 ... no limit hit
++ -1 ... over soft limit
++ 0 ... over hard limit */
+
-+#ifdef __KERNEL__
-+extern int vc_get_ncaps(struct nx_info *, void __user *);
-+extern int vc_set_ncaps(struct nx_info *, void __user *);
++static inline int __vx_cres_avail(struct vx_info *vxi,
++ int res, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value;
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CONTEXT_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/network.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/network.h
---- linux-2.6.27.33/include/linux/vserver/network.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/network.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,146 @@
-+#ifndef _VX_NETWORK_H
-+#define _VX_NETWORK_H
++ if (VXD_RLIMIT_COND(res))
++ vxlprintk(1, "vx_cres_avail[%5d,%s,%2d]: %5ld/%5ld > %5ld + %5d",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_soft(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_hard(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ num, _file, _line);
++ if (!vxi)
++ return 1;
+
-+#include <linux/types.h>
++ limit = &vxi->limit;
++ value = __rlim_get(limit, res);
+
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
+
-+#define MAX_N_CONTEXT 65535 /* Arbitrary limit */
++ if (num == 0)
++ return 1;
+
++ if (__rlim_soft(limit, res) == RLIM_INFINITY)
++ return -1;
++ if (value + num <= __rlim_soft(limit, res))
++ return -1;
+
-+/* network flags */
++ if (__rlim_hard(limit, res) == RLIM_INFINITY)
++ return 1;
++ if (value + num <= __rlim_hard(limit, res))
++ return 1;
+
-+#define NXF_INFO_PRIVATE 0x00000008
++ __rlim_hit(limit, res);
++ return 0;
++}
+
-+#define NXF_SINGLE_IP 0x00000100
-+#define NXF_LBACK_REMAP 0x00000200
-+#define NXF_LBACK_ALLOW 0x00000400
+
-+#define NXF_HIDE_NETIF 0x02000000
-+#define NXF_HIDE_LBACK 0x04000000
++static const int VLA_RSS[] = { RLIMIT_RSS, VLIMIT_ANON, VLIMIT_MAPPED, 0 };
+
-+#define NXF_STATE_SETUP (1ULL << 32)
-+#define NXF_STATE_ADMIN (1ULL << 34)
++static inline
++rlim_t __vx_cres_array_sum(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value, sum = 0;
++ int res;
+
-+#define NXF_SC_HELPER (1ULL << 36)
-+#define NXF_PERSISTENT (1ULL << 38)
++ while ((res = *array++)) {
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
++ sum += value;
++ }
++ return sum;
++}
+
-+#define NXF_ONE_TIME (0x0005ULL << 32)
++static inline
++rlim_t __vx_cres_array_fixup(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value = __vx_cres_array_sum(limit, array + 1);
++ int res = *array;
+
++ if (value == __rlim_get(limit, res))
++ return value;
+
-+#define NXF_INIT_SET (__nxf_init_set())
++ __rlim_set(limit, res, value);
++ /* now adjust min/max */
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
+
-+static inline uint64_t __nxf_init_set(void) {
-+ return NXF_STATE_ADMIN
-+#ifdef CONFIG_VSERVER_AUTO_LBACK
-+ | NXF_LBACK_REMAP
-+ | NXF_HIDE_LBACK
-+#endif
-+#ifdef CONFIG_VSERVER_AUTO_SINGLE
-+ | NXF_SINGLE_IP
-+#endif
-+ | NXF_HIDE_NETIF;
++ return value;
+}
+
++static inline int __vx_cres_array_avail(struct vx_info *vxi,
++ const int *array, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value = 0;
++ int res;
++
++ if (num == 0)
++ return 1;
++ if (!vxi)
++ return 1;
+
-+/* network caps */
++ limit = &vxi->limit;
++ res = *array;
++ value = __vx_cres_array_sum(limit, array + 1);
+
-+#define NXC_TUN_CREATE 0x00000001
++ __rlim_set(limit, res, value);
++ __vx_cres_fixup(limit, res, value);
+
-+#define NXC_RAW_ICMP 0x00000100
++ return __vx_cres_avail(vxi, res, num, _file, _line);
++}
+
+
-+/* address types */
++static inline void vx_limit_fixup(struct _vx_limit *limit, int id)
++{
++ rlim_t value;
++ int res;
+
-+#define NXA_TYPE_IPV4 0x0001
-+#define NXA_TYPE_IPV6 0x0002
++ /* complex resources first */
++ if ((id < 0) || (id == RLIMIT_RSS))
++ __vx_cres_array_fixup(limit, VLA_RSS);
+
-+#define NXA_TYPE_NONE 0x0000
-+#define NXA_TYPE_ANY 0x00FF
++ for (res = 0; res < NUM_LIMITS; res++) {
++ if ((id > 0) && (res != id))
++ continue;
+
-+#define NXA_TYPE_ADDR 0x0010
-+#define NXA_TYPE_MASK 0x0020
-+#define NXA_TYPE_RANGE 0x0040
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
+
-+#define NXA_MASK_ALL (NXA_TYPE_ADDR | NXA_TYPE_MASK | NXA_TYPE_RANGE)
++ /* not supposed to happen, maybe warn? */
++ if (__rlim_rmax(limit, res) > __rlim_hard(limit, res))
++ __rlim_rmax(limit, res) = __rlim_hard(limit, res);
++ }
++}
+
-+#define NXA_MOD_BCAST 0x0100
-+#define NXA_MOD_LBACK 0x0200
+
-+#define NXA_LOOPBACK 0x1000
++#endif /* _VSERVER_LIMIT_INT_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/monitor.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/monitor.h
+--- linux-3.18.5/include/linux/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/monitor.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,6 @@
++#ifndef _VSERVER_MONITOR_H
++#define _VSERVER_MONITOR_H
++
++#include <uapi/vserver/monitor.h>
+
-+#define NXA_MASK_BIND (NXA_MASK_ALL | NXA_MOD_BCAST | NXA_MOD_LBACK)
-+#define NXA_MASK_SHOW (NXA_MASK_ALL | NXA_LOOPBACK)
++#endif /* _VSERVER_MONITOR_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/network.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/network.h
+--- linux-3.18.5/include/linux/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/network.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,76 @@
++#ifndef _VSERVER_NETWORK_H
++#define _VSERVER_NETWORK_H
+
-+#ifdef __KERNEL__
+
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <asm/atomic.h>
++#include <uapi/vserver/network.h>
+
+struct nx_addr_v4 {
+ struct nx_addr_v4 *next;
+
+struct nx_info {
+ struct hlist_node nx_hlist; /* linked list of nxinfos */
-+ nid_t nx_id; /* vnet id */
++ vnid_t nx_id; /* vnet id */
+ atomic_t nx_usecnt; /* usage count */
+ atomic_t nx_tasks; /* tasks count */
+ int nx_state; /* context state */
+ uint64_t nx_flags; /* network flag word */
+ uint64_t nx_ncaps; /* network capabilities */
+
++ spinlock_t addr_lock; /* protect address changes */
+ struct in_addr v4_lback; /* Loopback address */
+ struct in_addr v4_bcast; /* Broadcast address */
+ struct nx_addr_v4 v4; /* First/Single ipv4 address */
+extern struct nx_info *lookup_nx_info(int);
+
+extern int get_nid_list(int, unsigned int *, int);
-+extern int nid_is_hashed(nid_t);
++extern int nid_is_hashed(vnid_t);
+
+extern int nx_migrate_task(struct task_struct *, struct nx_info *);
+
+#define NX_IPV6(n) (0)
+#endif
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_NETWORK_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/percpu.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/percpu.h
---- linux-2.6.27.33/include/linux/vserver/percpu.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/percpu.h 2008-10-13 14:54:20.000000000 +0200
++#endif /* _VSERVER_NETWORK_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/network_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/network_cmd.h
+--- linux-3.18.5/include/linux/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/network_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_NETWORK_CMD_H
++#define _VSERVER_NETWORK_CMD_H
++
++#include <uapi/vserver/network_cmd.h>
++
++extern int vc_task_nid(uint32_t);
++
++extern int vc_nx_info(struct nx_info *, void __user *);
++
++extern int vc_net_create(uint32_t, void __user *);
++extern int vc_net_migrate(struct nx_info *, void __user *);
++
++extern int vc_net_add(struct nx_info *, void __user *);
++extern int vc_net_remove(struct nx_info *, void __user *);
++
++extern int vc_net_add_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_add_ipv4(struct nx_info *, void __user *);
++
++extern int vc_net_rem_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_rem_ipv4(struct nx_info *, void __user *);
++
++extern int vc_net_add_ipv6(struct nx_info *, void __user *);
++extern int vc_net_remove_ipv6(struct nx_info *, void __user *);
++
++extern int vc_add_match_ipv4(struct nx_info *, void __user *);
++extern int vc_get_match_ipv4(struct nx_info *, void __user *);
++
++extern int vc_add_match_ipv6(struct nx_info *, void __user *);
++extern int vc_get_match_ipv6(struct nx_info *, void __user *);
++
++extern int vc_get_nflags(struct nx_info *, void __user *);
++extern int vc_set_nflags(struct nx_info *, void __user *);
++
++extern int vc_get_ncaps(struct nx_info *, void __user *);
++extern int vc_set_ncaps(struct nx_info *, void __user *);
++
++#endif /* _VSERVER_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/percpu.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/percpu.h
+--- linux-3.18.5/include/linux/vserver/percpu.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/percpu.h 2015-01-19 10:58:04.000000000 +0000
@@ -0,0 +1,14 @@
-+#ifndef _VX_PERCPU_H
-+#define _VX_PERCPU_H
++#ifndef _VSERVER_PERCPU_H
++#define _VSERVER_PERCPU_H
+
+#include "cvirt_def.h"
+#include "sched_def.h"
+
+#define PERCPU_PERCTX (sizeof(struct _vx_percpu))
+
-+#endif /* _VX_PERCPU_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/pid.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/pid.h
---- linux-2.6.27.33/include/linux/vserver/pid.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/pid.h 2008-10-13 14:54:20.000000000 +0200
++#endif /* _VSERVER_PERCPU_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/pid.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/pid.h
+--- linux-3.18.5/include/linux/vserver/pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/pid.h 2015-01-19 10:58:04.000000000 +0000
@@ -0,0 +1,51 @@
+#ifndef _VSERVER_PID_H
+#define _VSERVER_PID_H
+#define vx_info_map_pid(v, p) \
+ __vx_info_map_pid((v), (p), __func__, __FILE__, __LINE__)
+#define vx_info_map_tgid(v,p) vx_info_map_pid(v,p)
-+#define vx_map_pid(p) vx_info_map_pid(current->vx_info, p)
++#define vx_map_pid(p) vx_info_map_pid(current_vx_info(), p)
+#define vx_map_tgid(p) vx_map_pid(p)
+
+static inline int __vx_info_map_pid(struct vx_info *vxi, int pid,
+
+#define vx_info_rmap_pid(v, p) \
+ __vx_info_rmap_pid((v), (p), __func__, __FILE__, __LINE__)
-+#define vx_rmap_pid(p) vx_info_rmap_pid(current->vx_info, p)
++#define vx_rmap_pid(p) vx_info_rmap_pid(current_vx_info(), p)
+#define vx_rmap_tgid(p) vx_rmap_pid(p)
+
+static inline int __vx_info_rmap_pid(struct vx_info *vxi, int pid,
+}
+
+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/sched_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/sched_cmd.h
---- linux-2.6.27.33/include/linux/vserver/sched_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/sched_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,108 @@
-+#ifndef _VX_SCHED_CMD_H
-+#define _VX_SCHED_CMD_H
-+
-+
-+/* sched vserver commands */
-+
-+#define VCMD_set_sched_v2 VC_CMD(SCHED, 1, 2)
-+#define VCMD_set_sched_v3 VC_CMD(SCHED, 1, 3)
-+#define VCMD_set_sched_v4 VC_CMD(SCHED, 1, 4)
-+
-+struct vcmd_set_sched_v2 {
-+ int32_t fill_rate;
-+ int32_t interval;
-+ int32_t tokens;
-+ int32_t tokens_min;
-+ int32_t tokens_max;
-+ uint64_t cpu_mask;
-+};
-+
-+struct vcmd_set_sched_v3 {
-+ uint32_t set_mask;
-+ int32_t fill_rate;
-+ int32_t interval;
-+ int32_t tokens;
-+ int32_t tokens_min;
-+ int32_t tokens_max;
-+ int32_t priority_bias;
-+};
-+
-+struct vcmd_set_sched_v4 {
-+ uint32_t set_mask;
-+ int32_t fill_rate;
-+ int32_t interval;
-+ int32_t tokens;
-+ int32_t tokens_min;
-+ int32_t tokens_max;
-+ int32_t prio_bias;
-+ int32_t cpu_id;
-+ int32_t bucket_id;
-+};
-+
-+#define VCMD_set_sched VC_CMD(SCHED, 1, 5)
-+#define VCMD_get_sched VC_CMD(SCHED, 2, 5)
-+
-+struct vcmd_sched_v5 {
-+ uint32_t mask;
-+ int32_t cpu_id;
-+ int32_t bucket_id;
-+ int32_t fill_rate[2];
-+ int32_t interval[2];
-+ int32_t tokens;
-+ int32_t tokens_min;
-+ int32_t tokens_max;
-+ int32_t prio_bias;
-+};
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/sched.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/sched.h
+--- linux-3.18.5/include/linux/vserver/sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/sched.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _VSERVER_SCHED_H
++#define _VSERVER_SCHED_H
+
-+#define VXSM_FILL_RATE 0x0001
-+#define VXSM_INTERVAL 0x0002
-+#define VXSM_FILL_RATE2 0x0004
-+#define VXSM_INTERVAL2 0x0008
-+#define VXSM_TOKENS 0x0010
-+#define VXSM_TOKENS_MIN 0x0020
-+#define VXSM_TOKENS_MAX 0x0040
-+#define VXSM_PRIO_BIAS 0x0100
+
-+#define VXSM_IDLE_TIME 0x0200
-+#define VXSM_FORCE 0x0400
++#ifdef __KERNEL__
+
-+#define VXSM_V3_MASK 0x0173
-+#define VXSM_SET_MASK 0x01FF
++struct timespec;
+
-+#define VXSM_CPU_ID 0x1000
-+#define VXSM_BUCKET_ID 0x2000
++void vx_vsi_uptime(struct timespec *, struct timespec *);
+
-+#define VXSM_MSEC 0x4000
+
-+#define SCHED_KEEP (-2) /* only for v2 */
++struct vx_info;
+
-+#ifdef __KERNEL__
++void vx_update_load(struct vx_info *);
+
-+#include <linux/compiler.h>
+
-+extern int vc_set_sched_v2(struct vx_info *, void __user *);
-+extern int vc_set_sched_v3(struct vx_info *, void __user *);
-+extern int vc_set_sched_v4(struct vx_info *, void __user *);
-+extern int vc_set_sched(struct vx_info *, void __user *);
-+extern int vc_get_sched(struct vx_info *, void __user *);
++void vx_update_sched_param(struct _vx_sched *sched,
++ struct _vx_sched_pc *sched_pc);
+
+#endif /* __KERNEL__ */
++#else /* _VSERVER_SCHED_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SCHED_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/sched_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/sched_cmd.h
+--- linux-3.18.5/include/linux/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/sched_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,11 @@
++#ifndef _VSERVER_SCHED_CMD_H
++#define _VSERVER_SCHED_CMD_H
+
-+#define VCMD_sched_info VC_CMD(SCHED, 3, 0)
-+
-+struct vcmd_sched_info {
-+ int32_t cpu_id;
-+ int32_t bucket_id;
-+ uint64_t user_msec;
-+ uint64_t sys_msec;
-+ uint64_t hold_msec;
-+ uint32_t token_usec;
-+ int32_t vavavoom;
-+};
+
-+#ifdef __KERNEL__
++#include <linux/compiler.h>
++#include <uapi/vserver/sched_cmd.h>
+
-+extern int vc_sched_info(struct vx_info *, void __user *);
++extern int vc_set_prio_bias(struct vx_info *, void __user *);
++extern int vc_get_prio_bias(struct vx_info *, void __user *);
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_SCHED_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/sched_def.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/sched_def.h
---- linux-2.6.27.33/include/linux/vserver/sched_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/sched_def.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,68 @@
-+#ifndef _VX_SCHED_DEF_H
-+#define _VX_SCHED_DEF_H
++#endif /* _VSERVER_SCHED_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/sched_def.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/sched_def.h
+--- linux-3.18.5/include/linux/vserver/sched_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/sched_def.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,38 @@
++#ifndef _VSERVER_SCHED_DEF_H
++#define _VSERVER_SCHED_DEF_H
+
+#include <linux/spinlock.h>
+#include <linux/jiffies.h>
+/* context sub struct */
+
+struct _vx_sched {
-+ spinlock_t tokens_lock; /* lock for token bucket */
-+
-+ int tokens; /* number of CPU tokens */
-+ int fill_rate[2]; /* Fill rate: add X tokens... */
-+ int interval[2]; /* Divisor: per Y jiffies */
-+ int tokens_min; /* Limit: minimum for unhold */
-+ int tokens_max; /* Limit: no more than N tokens */
-+
+ int prio_bias; /* bias offset for priority */
+
-+ unsigned update_mask; /* which features should be updated */
+ cpumask_t update; /* CPUs which should update */
+};
+
+struct _vx_sched_pc {
-+ int tokens; /* number of CPU tokens */
-+ int flags; /* bucket flags */
-+
-+ int fill_rate[2]; /* Fill rate: add X tokens... */
-+ int interval[2]; /* Divisor: per Y jiffies */
-+ int tokens_min; /* Limit: minimum for unhold */
-+ int tokens_max; /* Limit: no more than N tokens */
-+
+ int prio_bias; /* bias offset for priority */
-+ int vavavoom; /* last calculated vavavoom */
-+
-+ unsigned long norm_time; /* last time accounted */
-+ unsigned long idle_time; /* non linear time for fair sched */
-+ unsigned long token_time; /* token time for accounting */
-+ unsigned long onhold; /* jiffies when put on hold */
+
+ uint64_t user_ticks; /* token tick events */
+ uint64_t sys_ticks; /* token tick events */
+};
+
+
-+#define VXSF_ONHOLD 0x0001
-+#define VXSF_IDLE_TIME 0x0100
-+
+#ifdef CONFIG_VSERVER_DEBUG
+
+static inline void __dump_vx_sched(struct _vx_sched *sched)
+{
+ printk("\t_vx_sched:\n");
-+ printk("\t tokens: %4d/%4d, %4d/%4d, %4d, %4d\n",
-+ sched->fill_rate[0], sched->interval[0],
-+ sched->fill_rate[1], sched->interval[1],
-+ sched->tokens_min, sched->tokens_max);
+ printk("\t priority = %4d\n", sched->prio_bias);
+}
+
+#endif
+
-+#endif /* _VX_SCHED_DEF_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/sched.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/sched.h
---- linux-2.6.27.33/include/linux/vserver/sched.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/sched.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,26 @@
-+#ifndef _VX_SCHED_H
-+#define _VX_SCHED_H
-+
-+
-+#ifdef __KERNEL__
-+
-+struct timespec;
-+
-+void vx_vsi_uptime(struct timespec *, struct timespec *);
-+
-+
-+struct vx_info;
-+
-+void vx_update_load(struct vx_info *);
-+
-+
-+int vx_tokens_recalc(struct _vx_sched_pc *,
-+ unsigned long *, unsigned long *, int [2]);
-+
-+void vx_update_sched_param(struct _vx_sched *sched,
-+ struct _vx_sched_pc *sched_pc);
-+
-+#endif /* __KERNEL__ */
-+#else /* _VX_SCHED_H */
-+#warning duplicate inclusion
-+#endif /* _VX_SCHED_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/signal_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/signal_cmd.h
---- linux-2.6.27.33/include/linux/vserver/signal_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/signal_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,43 @@
-+#ifndef _VX_SIGNAL_CMD_H
-+#define _VX_SIGNAL_CMD_H
-+
-+
-+/* signalling vserver commands */
-+
-+#define VCMD_ctx_kill VC_CMD(PROCTRL, 1, 0)
-+#define VCMD_wait_exit VC_CMD(EVENT, 99, 0)
-+
-+struct vcmd_ctx_kill_v0 {
-+ int32_t pid;
-+ int32_t sig;
-+};
-+
-+struct vcmd_wait_exit_v0 {
-+ int32_t reboot_cmd;
-+ int32_t exit_code;
-+};
-+
-+#ifdef __KERNEL__
-+
-+extern int vc_ctx_kill(struct vx_info *, void __user *);
-+extern int vc_wait_exit(struct vx_info *, void __user *);
-+
-+#endif /* __KERNEL__ */
-+
-+/* process alteration commands */
-+
-+#define VCMD_get_pflags VC_CMD(PROCALT, 5, 0)
-+#define VCMD_set_pflags VC_CMD(PROCALT, 6, 0)
-+
-+struct vcmd_pflags_v0 {
-+ uint32_t flagword;
-+ uint32_t mask;
-+};
-+
-+#ifdef __KERNEL__
-+
-+extern int vc_get_pflags(uint32_t pid, void __user *);
-+extern int vc_set_pflags(uint32_t pid, void __user *);
-+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_SIGNAL_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/signal.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/signal.h
---- linux-2.6.27.33/include/linux/vserver/signal.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/signal.h 2008-10-13 14:54:20.000000000 +0200
++#endif /* _VSERVER_SCHED_DEF_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/signal.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/signal.h
+--- linux-3.18.5/include/linux/vserver/signal.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/signal.h 2015-01-19 10:58:04.000000000 +0000
@@ -0,0 +1,14 @@
-+#ifndef _VX_SIGNAL_H
-+#define _VX_SIGNAL_H
-+
-+
-+#ifdef __KERNEL__
-+
-+struct vx_info;
-+
-+int vx_info_kill(struct vx_info *, int, int);
-+
-+#endif /* __KERNEL__ */
-+#else /* _VX_SIGNAL_H */
-+#warning duplicate inclusion
-+#endif /* _VX_SIGNAL_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/space_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/space_cmd.h
---- linux-2.6.27.33/include/linux/vserver/space_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/space_cmd.h 2008-10-31 03:49:36.000000000 +0100
-@@ -0,0 +1,38 @@
-+#ifndef _VX_SPACE_CMD_H
-+#define _VX_SPACE_CMD_H
-+
-+
-+#define VCMD_enter_space_v0 VC_CMD(PROCALT, 1, 0)
-+#define VCMD_enter_space_v1 VC_CMD(PROCALT, 1, 1)
-+#define VCMD_enter_space VC_CMD(PROCALT, 1, 2)
-+
-+#define VCMD_set_space_v0 VC_CMD(PROCALT, 3, 0)
-+#define VCMD_set_space_v1 VC_CMD(PROCALT, 3, 1)
-+#define VCMD_set_space VC_CMD(PROCALT, 3, 2)
-+
-+#define VCMD_get_space_mask_v0 VC_CMD(PROCALT, 4, 0)
-+
-+#define VCMD_get_space_mask VC_CMD(VSPACE, 0, 1)
-+#define VCMD_get_space_default VC_CMD(VSPACE, 1, 0)
-+
-+
-+struct vcmd_space_mask_v1 {
-+ uint64_t mask;
-+};
-+
-+struct vcmd_space_mask_v2 {
-+ uint64_t mask;
-+ uint32_t index;
-+};
++#ifndef _VSERVER_SIGNAL_H
++#define _VSERVER_SIGNAL_H
+
+
+#ifdef __KERNEL__
+
-+extern int vc_enter_space_v1(struct vx_info *, void __user *);
-+extern int vc_set_space_v1(struct vx_info *, void __user *);
-+extern int vc_enter_space(struct vx_info *, void __user *);
-+extern int vc_set_space(struct vx_info *, void __user *);
-+extern int vc_get_space_mask(void __user *, int);
-+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_SPACE_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/space.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/space.h
---- linux-2.6.27.33/include/linux/vserver/space.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/space.h 2008-10-31 04:02:02.000000000 +0100
-@@ -0,0 +1,12 @@
-+#ifndef _VX_SPACE_H
-+#define _VX_SPACE_H
-+
-+#include <linux/types.h>
-+
+struct vx_info;
+
-+int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index);
-+
-+#else /* _VX_SPACE_H */
-+#warning duplicate inclusion
-+#endif /* _VX_SPACE_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/switch.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/switch.h
---- linux-2.6.27.33/include/linux/vserver/switch.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/switch.h 2008-11-22 20:32:00.000000000 +0100
-@@ -0,0 +1,98 @@
-+#ifndef _VX_SWITCH_H
-+#define _VX_SWITCH_H
-+
-+#include <linux/types.h>
-+
-+
-+#define VC_CATEGORY(c) (((c) >> 24) & 0x3F)
-+#define VC_COMMAND(c) (((c) >> 16) & 0xFF)
-+#define VC_VERSION(c) ((c) & 0xFFF)
-+
-+#define VC_CMD(c, i, v) ((((VC_CAT_ ## c) & 0x3F) << 24) \
-+ | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
-+
-+/*
-+
-+ Syscall Matrix V2.8
-+
-+ |VERSION|CREATE |MODIFY |MIGRATE|CONTROL|EXPERIM| |SPECIAL|SPECIAL|
-+ |STATS |DESTROY|ALTER |CHANGE |LIMIT |TEST | | | |
-+ |INFO |SETUP | |MOVE | | | | | |
-+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
-+ SYSTEM |VERSION|VSETUP |VHOST | | | | |DEVICE | |
-+ HOST | 00| 01| 02| 03| 04| 05| | 06| 07|
-+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
-+ CPU | |VPROC |PROCALT|PROCMIG|PROCTRL| | |SCHED. | |
-+ PROCESS| 08| 09| 10| 11| 12| 13| | 14| 15|
-+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
-+ MEMORY | | | | |MEMCTRL| | |SWAP | |
-+ | 16| 17| 18| 19| 20| 21| | 22| 23|
-+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
-+ NETWORK| |VNET |NETALT |NETMIG |NETCTL | | |SERIAL | |
-+ | 24| 25| 26| 27| 28| 29| | 30| 31|
-+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
-+ DISK | | | |TAGMIG |DLIMIT | | |INODE | |
-+ VFS | 32| 33| 34| 35| 36| 37| | 38| 39|
-+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
-+ OTHER |VSTAT | | | | | | |VINFO | |
-+ | 40| 41| 42| 43| 44| 45| | 46| 47|
-+ =======+=======+=======+=======+=======+=======+=======+ +=======+=======+
-+ SPECIAL|EVENT | | | |FLAGS | | |VSPACE | |
-+ | 48| 49| 50| 51| 52| 53| | 54| 55|
-+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
-+ SPECIAL|DEBUG | | | |RLIMIT |SYSCALL| | |COMPAT |
-+ | 56| 57| 58| 59| 60|TEST 61| | 62| 63|
-+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
-+
-+*/
-+
-+#define VC_CAT_VERSION 0
-+
-+#define VC_CAT_VSETUP 1
-+#define VC_CAT_VHOST 2
-+
-+#define VC_CAT_DEVICE 6
-+
-+#define VC_CAT_VPROC 9
-+#define VC_CAT_PROCALT 10
-+#define VC_CAT_PROCMIG 11
-+#define VC_CAT_PROCTRL 12
-+
-+#define VC_CAT_SCHED 14
-+#define VC_CAT_MEMCTRL 20
-+
-+#define VC_CAT_VNET 25
-+#define VC_CAT_NETALT 26
-+#define VC_CAT_NETMIG 27
-+#define VC_CAT_NETCTRL 28
-+
-+#define VC_CAT_TAGMIG 35
-+#define VC_CAT_DLIMIT 36
-+#define VC_CAT_INODE 38
-+
-+#define VC_CAT_VSTAT 40
-+#define VC_CAT_VINFO 46
-+#define VC_CAT_EVENT 48
-+
-+#define VC_CAT_FLAGS 52
-+#define VC_CAT_VSPACE 54
-+#define VC_CAT_DEBUG 56
-+#define VC_CAT_RLIMIT 60
++int vx_info_kill(struct vx_info *, int, int);
+
-+#define VC_CAT_SYSTEST 61
-+#define VC_CAT_COMPAT 63
++#endif /* __KERNEL__ */
++#else /* _VSERVER_SIGNAL_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SIGNAL_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/signal_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/signal_cmd.h
+--- linux-3.18.5/include/linux/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/signal_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_SIGNAL_CMD_H
++#define _VSERVER_SIGNAL_CMD_H
+
-+/* query version */
++#include <uapi/vserver/signal_cmd.h>
+
-+#define VCMD_get_version VC_CMD(VERSION, 0, 0)
-+#define VCMD_get_vci VC_CMD(VERSION, 1, 0)
+
++extern int vc_ctx_kill(struct vx_info *, void __user *);
++extern int vc_wait_exit(struct vx_info *, void __user *);
+
-+#ifdef __KERNEL__
+
-+#include <linux/errno.h>
++extern int vc_get_pflags(uint32_t pid, void __user *);
++extern int vc_set_pflags(uint32_t pid, void __user *);
+
-+#endif /* __KERNEL__ */
++#endif /* _VSERVER_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/space.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/space.h
+--- linux-3.18.5/include/linux/vserver/space.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/space.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _VSERVER_SPACE_H
++#define _VSERVER_SPACE_H
+
-+#endif /* _VX_SWITCH_H */
++#include <linux/types.h>
+
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/tag_cmd.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/tag_cmd.h
---- linux-2.6.27.33/include/linux/vserver/tag_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/tag_cmd.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,22 @@
-+#ifndef _VX_TAG_CMD_H
-+#define _VX_TAG_CMD_H
++struct vx_info;
+
++int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index);
+
-+/* vinfo commands */
++#else /* _VSERVER_SPACE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SPACE_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/space_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/space_cmd.h
+--- linux-3.18.5/include/linux/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/space_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_SPACE_CMD_H
++#define _VSERVER_SPACE_CMD_H
+
-+#define VCMD_task_tag VC_CMD(VINFO, 3, 0)
++#include <uapi/vserver/space_cmd.h>
+
-+#ifdef __KERNEL__
-+extern int vc_task_tag(uint32_t);
+
-+#endif /* __KERNEL__ */
++extern int vc_enter_space_v1(struct vx_info *, void __user *);
++extern int vc_set_space_v1(struct vx_info *, void __user *);
++extern int vc_enter_space(struct vx_info *, void __user *);
++extern int vc_set_space(struct vx_info *, void __user *);
++extern int vc_get_space_mask(void __user *, int);
+
-+/* context commands */
++#endif /* _VSERVER_SPACE_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/switch.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/switch.h
+--- linux-3.18.5/include/linux/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/switch.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,8 @@
++#ifndef _VSERVER_SWITCH_H
++#define _VSERVER_SWITCH_H
+
-+#define VCMD_tag_migrate VC_CMD(TAGMIG, 1, 0)
+
-+#ifdef __KERNEL__
-+extern int vc_tag_migrate(uint32_t);
++#include <linux/errno.h>
++#include <uapi/vserver/switch.h>
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_TAG_CMD_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vserver/tag.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/tag.h
---- linux-2.6.27.33/include/linux/vserver/tag.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vserver/tag.h 2008-10-24 03:34:52.000000000 +0200
-@@ -0,0 +1,143 @@
++#endif /* _VSERVER_SWITCH_H */
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/tag.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/tag.h
+--- linux-3.18.5/include/linux/vserver/tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/tag.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,160 @@
+#ifndef _DX_TAG_H
+#define _DX_TAG_H
+
+#include <linux/types.h>
++#include <linux/uidgid.h>
+
+
+#define DX_TAG(in) (IS_TAGGED(in))
+#define TAGINO_TAG(cond, tag) ((cond) ? (tag) : 0)
+#endif
+
++#define TAGINO_KUID(cond, kuid, ktag) \
++ KUIDT_INIT(TAGINO_UID(cond, __kuid_val(kuid), __ktag_val(ktag)))
++#define TAGINO_KGID(cond, kgid, ktag) \
++ KGIDT_INIT(TAGINO_GID(cond, __kgid_val(kgid), __ktag_val(ktag)))
++#define TAGINO_KTAG(cond, ktag) \
++ KTAGT_INIT(TAGINO_TAG(cond, __ktag_val(ktag)))
++
++
+#define INOTAG_UID(cond, uid, gid) \
+ ((cond) ? ((uid) & MAX_UID) : (uid))
+#define INOTAG_GID(cond, uid, gid) \
+ ((cond) ? ((gid) & MAX_GID) : (gid))
+
++#define INOTAG_KUID(cond, kuid, kgid) \
++ KUIDT_INIT(INOTAG_UID(cond, __kuid_val(kuid), __kgid_val(kgid)))
++#define INOTAG_KGID(cond, kuid, kgid) \
++ KGIDT_INIT(INOTAG_GID(cond, __kuid_val(kuid), __kgid_val(kgid)))
++#define INOTAG_KTAG(cond, kuid, kgid, ktag) \
++ KTAGT_INIT(INOTAG_TAG(cond, \
++ __kuid_val(kuid), __kgid_val(kgid), __ktag_val(ktag)))
++
+
+static inline uid_t dx_map_uid(uid_t uid)
+{
+
+#define dx_notagcheck(sb) ((sb) && ((sb)->s_flags & MS_NOTAGCHECK))
+
-+int dx_parse_tag(char *string, tag_t *tag, int remove, int *mnt_flags,
++int dx_parse_tag(char *string, vtag_t *tag, int remove, int *mnt_flags,
+ unsigned long *flags);
+
+#ifdef CONFIG_PROPAGATE
+#endif
+
+#endif /* _DX_TAG_H */
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_inet6.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_inet6.h
---- linux-2.6.27.33/include/linux/vs_inet6.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_inet6.h 2008-11-16 17:35:20.000000000 +0100
-@@ -0,0 +1,246 @@
-+#ifndef _VS_INET6_H
-+#define _VS_INET6_H
-+
-+#include "vserver/base.h"
-+#include "vserver/network.h"
-+#include "vserver/debug.h"
-+
-+#include <net/ipv6.h>
-+
-+#define NXAV6(a) NIP6((a)->ip), NIP6((a)->mask), (a)->prefix, (a)->type
-+#define NXAV6_FMT "[" NIP6_FMT "/" NIP6_FMT "/%d:%04x]"
-+
-+
-+#ifdef CONFIG_IPV6
-+
-+static inline
-+int v6_addr_match(struct nx_addr_v6 *nxa,
-+ const struct in6_addr *addr, uint16_t mask)
-+{
-+ int ret = 0;
-+
-+ switch (nxa->type & mask) {
-+ case NXA_TYPE_MASK:
-+ ret = ipv6_masked_addr_cmp(&nxa->ip, &nxa->mask, addr);
-+ break;
-+ case NXA_TYPE_ADDR:
-+ ret = ipv6_addr_equal(&nxa->ip, addr);
-+ break;
-+ case NXA_TYPE_ANY:
-+ ret = 1;
-+ break;
-+ }
-+ vxdprintk(VXD_CBIT(net, 0),
-+ "v6_addr_match(%p" NXAV6_FMT ", " NIP6_FMT ", %04x) = %d",
-+ nxa, NXAV6(nxa), NIP6(*addr), mask, ret);
-+ return ret;
-+}
-+
-+static inline
-+int v6_addr_in_nx_info(struct nx_info *nxi,
-+ const struct in6_addr *addr, uint16_t mask)
-+{
-+ struct nx_addr_v6 *nxa;
-+ int ret = 1;
-+
-+ if (!nxi)
-+ goto out;
-+ for (nxa = &nxi->v6; nxa; nxa = nxa->next)
-+ if (v6_addr_match(nxa, addr, mask))
-+ goto out;
-+ ret = 0;
-+out:
-+ vxdprintk(VXD_CBIT(net, 0),
-+ "v6_addr_in_nx_info(%p[#%u]," NIP6_FMT ",%04x) = %d",
-+ nxi, nxi ? nxi->nx_id : 0, NIP6(*addr), mask, ret);
-+ return ret;
-+}
-+
-+static inline
-+int v6_nx_addr_match(struct nx_addr_v6 *nxa, struct nx_addr_v6 *addr, uint16_t mask)
-+{
-+ /* FIXME: needs full range checks */
-+ return v6_addr_match(nxa, &addr->ip, mask);
-+}
-+
-+static inline
-+int v6_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v6 *nxa, uint16_t mask)
-+{
-+ struct nx_addr_v6 *ptr;
+diff -NurpP --minimal linux-3.18.5/include/linux/vserver/tag_cmd.h linux-3.18.5-vs2.3.7.3/include/linux/vserver/tag_cmd.h
+--- linux-3.18.5/include/linux/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/linux/vserver/tag_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_TAG_CMD_H
++#define _VSERVER_TAG_CMD_H
+
-+ for (ptr = &nxi->v6; ptr; ptr = ptr->next)
-+ if (v6_nx_addr_match(ptr, nxa, mask))
-+ return 1;
-+ return 0;
-+}
++#include <uapi/vserver/tag_cmd.h>
+
++extern int vc_task_tag(uint32_t);
+
-+/*
-+ * Check if a given address matches for a socket
-+ *
-+ * nxi: the socket's nx_info if any
-+ * addr: to be verified address
-+ */
-+static inline
-+int v6_sock_addr_match (
-+ struct nx_info *nxi,
-+ struct inet_sock *inet,
-+ struct in6_addr *addr)
-+{
-+ struct sock *sk = &inet->sk;
-+ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++extern int vc_tag_migrate(uint32_t);
+
-+ if (!ipv6_addr_any(addr) &&
-+ ipv6_addr_equal(saddr, addr))
-+ return 1;
-+ if (ipv6_addr_any(saddr))
-+ return v6_addr_in_nx_info(nxi, addr, -1);
-+ return 0;
-+}
++#endif /* _VSERVER_TAG_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/net/addrconf.h linux-3.18.5-vs2.3.7.3/include/net/addrconf.h
+--- linux-3.18.5/include/net/addrconf.h 2015-01-17 02:40:22.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/net/addrconf.h 2015-01-19 10:58:04.000000000 +0000
+@@ -79,7 +79,7 @@ struct inet6_ifaddr *ipv6_get_ifaddr(str
+
+ int ipv6_dev_get_saddr(struct net *net, const struct net_device *dev,
+ const struct in6_addr *daddr, unsigned int srcprefs,
+- struct in6_addr *saddr);
++ struct in6_addr *saddr, struct nx_info *nxi);
+ int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr,
+ u32 banned_flags);
+ int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
+diff -NurpP --minimal linux-3.18.5/include/net/af_unix.h linux-3.18.5-vs2.3.7.3/include/net/af_unix.h
+--- linux-3.18.5/include/net/af_unix.h 2013-11-25 15:47:02.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/net/af_unix.h 2015-01-19 10:58:04.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/socket.h>
+ #include <linux/un.h>
+ #include <linux/mutex.h>
++#include <linux/vs_base.h>
+ #include <net/sock.h>
+
+ void unix_inflight(struct file *fp);
+diff -NurpP --minimal linux-3.18.5/include/net/inet_timewait_sock.h linux-3.18.5-vs2.3.7.3/include/net/inet_timewait_sock.h
+--- linux-3.18.5/include/net/inet_timewait_sock.h 2015-01-16 22:19:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/net/inet_timewait_sock.h 2015-01-19 10:58:04.000000000 +0000
+@@ -122,6 +122,10 @@ struct inet_timewait_sock {
+ #define tw_v6_rcv_saddr __tw_common.skc_v6_rcv_saddr
+ #define tw_dport __tw_common.skc_dport
+ #define tw_num __tw_common.skc_num
++#define tw_xid __tw_common.skc_xid
++#define tw_vx_info __tw_common.skc_vx_info
++#define tw_nid __tw_common.skc_nid
++#define tw_nx_info __tw_common.skc_nx_info
+
+ int tw_timeout;
+ volatile unsigned char tw_substate;
+diff -NurpP --minimal linux-3.18.5/include/net/ip6_route.h linux-3.18.5-vs2.3.7.3/include/net/ip6_route.h
+--- linux-3.18.5/include/net/ip6_route.h 2014-09-03 13:19:43.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/net/ip6_route.h 2015-01-19 10:58:04.000000000 +0000
+@@ -80,7 +80,7 @@ int ip6_del_rt(struct rt6_info *);
+
+ int ip6_route_get_saddr(struct net *net, struct rt6_info *rt,
+ const struct in6_addr *daddr, unsigned int prefs,
+- struct in6_addr *saddr);
++ struct in6_addr *saddr, struct nx_info *nxi);
+
+ struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
+ const struct in6_addr *saddr, int oif, int flags);
+diff -NurpP --minimal linux-3.18.5/include/net/route.h linux-3.18.5-vs2.3.7.3/include/net/route.h
+--- linux-3.18.5/include/net/route.h 2014-06-12 13:02:51.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/net/route.h 2015-01-19 10:58:04.000000000 +0000
+@@ -205,6 +205,9 @@ static inline void ip_rt_put(struct rtab
+ dst_release(&rt->dst);
+ }
+
++#include <linux/vs_base.h>
++#include <linux/vs_inet.h>
+
-+/*
-+ * check if address is covered by socket
-+ *
-+ * sk: the socket to check against
-+ * addr: the address in question (must be != 0)
-+ */
+ #define IPTOS_RT_MASK (IPTOS_TOS_MASK & ~3)
+
+ extern const __u8 ip_tos2prio[16];
+@@ -252,6 +255,9 @@ static inline void ip_route_connect_init
+ protocol, flow_flags, dst, src, dport, sport);
+ }
+
++extern struct rtable *ip_v4_find_src(struct net *net, struct nx_info *,
++ struct flowi4 *);
+
-+static inline
-+int __v6_addr_match_socket(const struct sock *sk, struct nx_addr_v6 *nxa)
-+{
-+ struct nx_info *nxi = sk->sk_nx_info;
-+ struct in6_addr *saddr = inet6_rcv_saddr(sk);
+ static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
+ __be32 dst, __be32 src, u32 tos,
+ int oif, u8 protocol,
+@@ -260,11 +266,25 @@ static inline struct rtable *ip_route_co
+ {
+ struct net *net = sock_net(sk);
+ struct rtable *rt;
++ struct nx_info *nx_info = current_nx_info();
+
+ ip_route_connect_init(fl4, dst, src, tos, oif, protocol,
+ sport, dport, sk);
+
+- if (!dst || !src) {
++ if (sk)
++ nx_info = sk->sk_nx_info;
+
-+ vxdprintk(VXD_CBIT(net, 5),
-+ "__v6_addr_in_socket(%p," NXAV6_FMT ") %p:" NIP6_FMT " %p;%lx",
-+ sk, NXAV6(nxa), nxi, NIP6(*saddr), sk->sk_socket,
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_route_connect(%p) %p,%p;%lx",
++ sk, nx_info, sk->sk_socket,
+ (sk->sk_socket?sk->sk_socket->flags:0));
+
-+ if (!ipv6_addr_any(saddr)) { /* direct address match */
-+ return v6_addr_match(nxa, saddr, -1);
-+ } else if (nxi) { /* match against nx_info */
-+ return v6_nx_addr_in_nx_info(nxi, nxa, -1);
-+ } else { /* unrestricted any socket */
-+ return 1;
-+ }
-+}
-+
++ rt = ip_v4_find_src(net, nx_info, fl4);
++ if (IS_ERR(rt))
++ return rt;
++ ip_rt_put(rt);
++
++ if (!fl4->daddr || !fl4->saddr) {
+ rt = __ip_route_output_key(net, fl4);
+ if (IS_ERR(rt))
+ return rt;
+diff -NurpP --minimal linux-3.18.5/include/net/sock.h linux-3.18.5-vs2.3.7.3/include/net/sock.h
+--- linux-3.18.5/include/net/sock.h 2015-01-17 02:40:22.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/net/sock.h 2015-01-19 10:58:04.000000000 +0000
+@@ -193,6 +193,10 @@ struct sock_common {
+ #ifdef CONFIG_NET_NS
+ struct net *skc_net;
+ #endif
++ vxid_t skc_xid;
++ struct vx_info *skc_vx_info;
++ vnid_t skc_nid;
++ struct nx_info *skc_nx_info;
+
+ #if IS_ENABLED(CONFIG_IPV6)
+ struct in6_addr skc_v6_daddr;
+@@ -327,7 +331,11 @@ struct sock {
+ #define sk_prot __sk_common.skc_prot
+ #define sk_net __sk_common.skc_net
+ #define sk_v6_daddr __sk_common.skc_v6_daddr
+-#define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr
++#define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr
++#define sk_xid __sk_common.skc_xid
++#define sk_vx_info __sk_common.skc_vx_info
++#define sk_nid __sk_common.skc_nid
++#define sk_nx_info __sk_common.skc_nx_info
+
+ socket_lock_t sk_lock;
+ struct sk_buff_head sk_receive_queue;
+diff -NurpP --minimal linux-3.18.5/include/uapi/Kbuild linux-3.18.5-vs2.3.7.3/include/uapi/Kbuild
+--- linux-3.18.5/include/uapi/Kbuild 2015-01-17 02:40:22.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/Kbuild 2015-01-19 10:59:16.000000000 +0000
+@@ -13,3 +13,4 @@ header-y += drm/
+ header-y += xen/
+ header-y += scsi/
+ header-y += misc/
++header-y += vserver/
+diff -NurpP --minimal linux-3.18.5/include/uapi/linux/capability.h linux-3.18.5-vs2.3.7.3/include/uapi/linux/capability.h
+--- linux-3.18.5/include/uapi/linux/capability.h 2014-09-03 13:19:44.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/linux/capability.h 2015-01-19 10:58:04.000000000 +0000
+@@ -259,6 +259,7 @@ struct vfs_cap_data {
+ arbitrary SCSI commands */
+ /* Allow setting encryption key on loopback filesystem */
+ /* Allow setting zone reclaim policy */
++/* Allow the selection of a security context */
+
+ #define CAP_SYS_ADMIN 21
+
+@@ -354,7 +355,12 @@ struct vfs_cap_data {
+
+ #define CAP_LAST_CAP CAP_AUDIT_READ
+
+-#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
++/* Allow context manipulations */
++/* Allow changing context info on files */
+
-+/* inet related checks and helpers */
++#define CAP_CONTEXT 63
+
++#define cap_valid(x) ((x) >= 0 && ((x) <= CAP_LAST_CAP || (x) == CAP_CONTEXT))
+
+ /*
+ * Bit location of each capability (used by user-space library and kernel)
+diff -NurpP --minimal linux-3.18.5/include/uapi/linux/fs.h linux-3.18.5-vs2.3.7.3/include/uapi/linux/fs.h
+--- linux-3.18.5/include/uapi/linux/fs.h 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/linux/fs.h 2015-01-19 10:58:04.000000000 +0000
+@@ -90,6 +90,9 @@ struct inodes_stat_t {
+ #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
+ #define MS_I_VERSION (1<<23) /* Update inode I_version field */
+ #define MS_STRICTATIME (1<<24) /* Always perform atime updates */
++#define MS_TAGGED (1<<8) /* use generic inode tagging */
++#define MS_NOTAGCHECK (1<<9) /* don't check tags */
++#define MS_TAGID (1<<25) /* use specific tag for this mount */
+
+ /* These sb flags are internal to the kernel */
+ #define MS_NOSEC (1<<28)
+@@ -195,11 +198,14 @@ struct inodes_stat_t {
+ #define FS_EXTENT_FL 0x00080000 /* Extents */
+ #define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */
+ #define FS_NOCOW_FL 0x00800000 /* Do not cow file */
++#define FS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */
+
+-#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+-#define FS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
++#define FS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define FS_COW_FL 0x20000000 /* Copy on Write marker */
+
++#define FS_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
++#define FS_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
+
+ #define SYNC_FILE_RANGE_WAIT_BEFORE 1
+ #define SYNC_FILE_RANGE_WRITE 2
+diff -NurpP --minimal linux-3.18.5/include/uapi/linux/gfs2_ondisk.h linux-3.18.5-vs2.3.7.3/include/uapi/linux/gfs2_ondisk.h
+--- linux-3.18.5/include/uapi/linux/gfs2_ondisk.h 2014-09-03 13:19:44.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/linux/gfs2_ondisk.h 2015-01-19 10:58:04.000000000 +0000
+@@ -225,6 +225,9 @@ enum {
+ gfs2fl_Sync = 8,
+ gfs2fl_System = 9,
+ gfs2fl_TopLevel = 10,
++ gfs2fl_IXUnlink = 16,
++ gfs2fl_Barrier = 17,
++ gfs2fl_Cow = 18,
+ gfs2fl_TruncInProg = 29,
+ gfs2fl_InheritDirectio = 30,
+ gfs2fl_InheritJdata = 31,
+@@ -242,6 +245,9 @@ enum {
+ #define GFS2_DIF_SYNC 0x00000100
+ #define GFS2_DIF_SYSTEM 0x00000200 /* New in gfs2 */
+ #define GFS2_DIF_TOPDIR 0x00000400 /* New in gfs2 */
++#define GFS2_DIF_IXUNLINK 0x00010000
++#define GFS2_DIF_BARRIER 0x00020000
++#define GFS2_DIF_COW 0x00040000
+ #define GFS2_DIF_TRUNC_IN_PROG 0x20000000 /* New in gfs2 */
+ #define GFS2_DIF_INHERIT_DIRECTIO 0x40000000 /* only in gfs1 */
+ #define GFS2_DIF_INHERIT_JDATA 0x80000000
+diff -NurpP --minimal linux-3.18.5/include/uapi/linux/if_tun.h linux-3.18.5-vs2.3.7.3/include/uapi/linux/if_tun.h
+--- linux-3.18.5/include/uapi/linux/if_tun.h 2013-11-25 15:47:02.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/linux/if_tun.h 2015-01-19 10:58:04.000000000 +0000
+@@ -58,6 +58,7 @@
+ #define TUNSETQUEUE _IOW('T', 217, int)
+ #define TUNSETIFINDEX _IOW('T', 218, unsigned int)
+ #define TUNGETFILTER _IOR('T', 219, struct sock_fprog)
++#define TUNSETNID _IOW('T', 220, int)
+
+ /* TUNSETIFF ifr flags */
+ #define IFF_TUN 0x0001
+diff -NurpP --minimal linux-3.18.5/include/uapi/linux/major.h linux-3.18.5-vs2.3.7.3/include/uapi/linux/major.h
+--- linux-3.18.5/include/uapi/linux/major.h 2014-01-22 20:39:12.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/linux/major.h 2015-01-19 10:58:04.000000000 +0000
+@@ -15,6 +15,7 @@
+ #define HD_MAJOR IDE0_MAJOR
+ #define PTY_SLAVE_MAJOR 3
+ #define TTY_MAJOR 4
++#define VROOT_MAJOR 4
+ #define TTYAUX_MAJOR 5
+ #define LP_MAJOR 6
+ #define VCS_MAJOR 7
+diff -NurpP --minimal linux-3.18.5/include/uapi/linux/nfs_mount.h linux-3.18.5-vs2.3.7.3/include/uapi/linux/nfs_mount.h
+--- linux-3.18.5/include/uapi/linux/nfs_mount.h 2014-01-22 20:39:12.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/linux/nfs_mount.h 2015-01-19 10:58:04.000000000 +0000
+@@ -63,7 +63,8 @@ struct nfs_mount_data {
+ #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */
+ #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
+ #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
+-#define NFS_MOUNT_FLAGMASK 0xFFFF
++#define NFS_MOUNT_TAGGED 0x10000 /* context tagging */
++#define NFS_MOUNT_FLAGMASK 0x1FFFF
+
+ /* The following are for internal use only */
+ #define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
+diff -NurpP --minimal linux-3.18.5/include/uapi/linux/reboot.h linux-3.18.5-vs2.3.7.3/include/uapi/linux/reboot.h
+--- linux-3.18.5/include/uapi/linux/reboot.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/linux/reboot.h 2015-01-19 10:58:04.000000000 +0000
+@@ -33,7 +33,7 @@
+ #define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4
+ #define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2
+ #define LINUX_REBOOT_CMD_KEXEC 0x45584543
+-
++#define LINUX_REBOOT_CMD_OOM 0xDEADBEEF
+
+
+ #endif /* _UAPI_LINUX_REBOOT_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/linux/sysctl.h linux-3.18.5-vs2.3.7.3/include/uapi/linux/sysctl.h
+--- linux-3.18.5/include/uapi/linux/sysctl.h 2015-01-16 22:19:26.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/linux/sysctl.h 2015-01-19 10:58:04.000000000 +0000
+@@ -60,6 +60,7 @@ enum
+ CTL_ABI=9, /* Binary emulation */
+ CTL_CPU=10, /* CPU stuff (speed scaling, etc) */
+ CTL_ARLAN=254, /* arlan wireless driver */
++ CTL_VSERVER=4242, /* Linux-VServer debug */
+ CTL_S390DBF=5677, /* s390 debug */
+ CTL_SUNRPC=7249, /* sunrpc debug */
+ CTL_PM=9899, /* frv power management */
+@@ -94,6 +95,7 @@ enum
+
+ KERN_PANIC=15, /* int: panic timeout */
+ KERN_REALROOTDEV=16, /* real root device to mount after initrd */
++ KERN_VSHELPER=17, /* string: path to vshelper policy agent */
+
+ KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
+ KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/Kbuild linux-3.18.5-vs2.3.7.3/include/uapi/vserver/Kbuild
+--- linux-3.18.5/include/uapi/vserver/Kbuild 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/Kbuild 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,9 @@
+
-+struct in_ifaddr;
-+struct net_device;
-+struct sock;
++header-y += context_cmd.h network_cmd.h space_cmd.h \
++ cacct_cmd.h cvirt_cmd.h limit_cmd.h dlimit_cmd.h \
++ inode_cmd.h tag_cmd.h sched_cmd.h signal_cmd.h \
++ debug_cmd.h device_cmd.h
+
++header-y += switch.h context.h network.h monitor.h \
++ limit.h inode.h device.h
+
-+#include <linux/netdevice.h>
-+#include <linux/inetdevice.h>
-+#include <net/inet_timewait_sock.h>
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/cacct_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/cacct_cmd.h
+--- linux-3.18.5/include/uapi/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/cacct_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _UAPI_VS_CACCT_CMD_H
++#define _UAPI_VS_CACCT_CMD_H
+
+
-+int dev_in_nx_info(struct net_device *, struct nx_info *);
-+int v6_dev_in_nx_info(struct net_device *, struct nx_info *);
-+int nx_v6_addr_conflict(struct nx_info *, struct nx_info *);
++/* virtual host info name commands */
+
++#define VCMD_sock_stat VC_CMD(VSTAT, 5, 0)
+
++struct vcmd_sock_stat_v0 {
++ uint32_t field;
++ uint32_t count[3];
++ uint64_t total[3];
++};
+
-+static inline
-+int v6_ifa_in_nx_info(struct inet6_ifaddr *ifa, struct nx_info *nxi)
-+{
-+ if (!nxi)
-+ return 1;
-+ if (!ifa)
-+ return 0;
-+ return v6_addr_in_nx_info(nxi, &ifa->addr, -1);
-+}
++#endif /* _UAPI_VS_CACCT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/context.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/context.h
+--- linux-3.18.5/include/uapi/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/context.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,81 @@
++#ifndef _UAPI_VS_CONTEXT_H
++#define _UAPI_VS_CONTEXT_H
+
-+static inline
-+int nx_v6_ifa_visible(struct nx_info *nxi, struct inet6_ifaddr *ifa)
-+{
-+ vxdprintk(VXD_CBIT(net, 1), "nx_v6_ifa_visible(%p[#%u],%p) %d",
-+ nxi, nxi ? nxi->nx_id : 0, ifa,
-+ nxi ? v6_ifa_in_nx_info(ifa, nxi) : 0);
++#include <linux/types.h>
++#include <linux/capability.h>
+
-+ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
-+ return 1;
-+ if (v6_ifa_in_nx_info(ifa, nxi))
-+ return 1;
-+ return 0;
-+}
+
++/* context flags */
+
-+struct nx_v6_sock_addr {
-+ struct in6_addr saddr; /* Address used for validation */
-+ struct in6_addr baddr; /* Address used for socket bind */
-+};
++#define VXF_INFO_SCHED 0x00000002
++#define VXF_INFO_NPROC 0x00000004
++#define VXF_INFO_PRIVATE 0x00000008
+
-+static inline
-+int v6_map_sock_addr(struct inet_sock *inet, struct sockaddr_in6 *addr,
-+ struct nx_v6_sock_addr *nsa)
-+{
-+ // struct sock *sk = &inet->sk;
-+ // struct nx_info *nxi = sk->sk_nx_info;
-+ struct in6_addr saddr = addr->sin6_addr;
-+ struct in6_addr baddr = saddr;
++#define VXF_INFO_INIT 0x00000010
++#define VXF_INFO_HIDE 0x00000020
++#define VXF_INFO_ULIMIT 0x00000040
++#define VXF_INFO_NSPACE 0x00000080
+
-+ nsa->saddr = saddr;
-+ nsa->baddr = baddr;
-+ return 0;
-+}
++#define VXF_SCHED_HARD 0x00000100
++#define VXF_SCHED_PRIO 0x00000200
++#define VXF_SCHED_PAUSE 0x00000400
+
-+static inline
-+void v6_set_sock_addr(struct inet_sock *inet, struct nx_v6_sock_addr *nsa)
-+{
-+ // struct sock *sk = &inet->sk;
-+ // struct in6_addr *saddr = inet6_rcv_saddr(sk);
++#define VXF_VIRT_MEM 0x00010000
++#define VXF_VIRT_UPTIME 0x00020000
++#define VXF_VIRT_CPU 0x00040000
++#define VXF_VIRT_LOAD 0x00080000
++#define VXF_VIRT_TIME 0x00100000
+
-+ // *saddr = nsa->baddr;
-+ // inet->saddr = nsa->baddr;
-+}
++#define VXF_HIDE_MOUNT 0x01000000
++/* was VXF_HIDE_NETIF 0x02000000 */
++#define VXF_HIDE_VINFO 0x04000000
+
-+static inline
-+int nx_info_has_v6(struct nx_info *nxi)
-+{
-+ if (!nxi)
-+ return 1;
-+ if (NX_IPV6(nxi))
-+ return 1;
-+ return 0;
-+}
++#define VXF_STATE_SETUP (1ULL << 32)
++#define VXF_STATE_INIT (1ULL << 33)
++#define VXF_STATE_ADMIN (1ULL << 34)
+
-+#else /* CONFIG_IPV6 */
++#define VXF_SC_HELPER (1ULL << 36)
++#define VXF_REBOOT_KILL (1ULL << 37)
++#define VXF_PERSISTENT (1ULL << 38)
+
-+static inline
-+int nx_v6_dev_visible(struct nx_info *n, struct net_device *d)
-+{
-+ return 1;
-+}
++#define VXF_FORK_RSS (1ULL << 48)
++#define VXF_PROLIFIC (1ULL << 49)
+
++#define VXF_IGNEG_NICE (1ULL << 52)
+
-+static inline
-+int nx_v6_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
-+{
-+ return 1;
-+}
++#define VXF_ONE_TIME (0x0007ULL << 32)
+
-+static inline
-+int v6_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
-+{
-+ return 1;
-+}
++#define VXF_INIT_SET (VXF_STATE_SETUP | VXF_STATE_INIT | VXF_STATE_ADMIN)
+
-+static inline
-+int nx_info_has_v6(struct nx_info *nxi)
-+{
-+ return 0;
-+}
+
-+#endif /* CONFIG_IPV6 */
++/* context migration */
+
-+#define current_nx_info_has_v6() \
-+ nx_info_has_v6(current_nx_info())
++#define VXM_SET_INIT 0x00000001
++#define VXM_SET_REAPER 0x00000002
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_inet.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_inet.h
---- linux-2.6.27.33/include/linux/vs_inet.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_inet.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,342 @@
-+#ifndef _VS_INET_H
-+#define _VS_INET_H
++/* context caps */
+
-+#include "vserver/base.h"
-+#include "vserver/network.h"
-+#include "vserver/debug.h"
++#define VXC_SET_UTSNAME 0x00000001
++#define VXC_SET_RLIMIT 0x00000002
++#define VXC_FS_SECURITY 0x00000004
++#define VXC_FS_TRUSTED 0x00000008
++#define VXC_TIOCSTI 0x00000010
+
-+#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
++/* was VXC_RAW_ICMP 0x00000100 */
++#define VXC_SYSLOG 0x00001000
++#define VXC_OOM_ADJUST 0x00002000
++#define VXC_AUDIT_CONTROL 0x00004000
+
-+#define NXAV4(a) NIPQUAD((a)->ip[0]), NIPQUAD((a)->ip[1]), \
-+ NIPQUAD((a)->mask), (a)->type
-+#define NXAV4_FMT "[" NIPQUAD_FMT "-" NIPQUAD_FMT "/" NIPQUAD_FMT ":%04x]"
++#define VXC_SECURE_MOUNT 0x00010000
++/* #define VXC_SECURE_REMOUNT 0x00020000 */
++#define VXC_BINARY_MOUNT 0x00040000
++#define VXC_DEV_MOUNT 0x00080000
+
++#define VXC_QUOTA_CTL 0x00100000
++#define VXC_ADMIN_MAPPER 0x00200000
++#define VXC_ADMIN_CLOOP 0x00400000
+
-+static inline
-+int v4_addr_match(struct nx_addr_v4 *nxa, __be32 addr, uint16_t tmask)
-+{
-+ __be32 ip = nxa->ip[0].s_addr;
-+ __be32 mask = nxa->mask.s_addr;
-+ __be32 bcast = ip | ~mask;
-+ int ret = 0;
++#define VXC_KTHREAD 0x01000000
++#define VXC_NAMESPACE 0x02000000
+
-+ switch (nxa->type & tmask) {
-+ case NXA_TYPE_MASK:
-+ ret = (ip == (addr & mask));
-+ break;
-+ case NXA_TYPE_ADDR:
-+ ret = 3;
-+ if (addr == ip)
-+ break;
-+ /* fall through to broadcast */
-+ case NXA_MOD_BCAST:
-+ ret = ((tmask & NXA_MOD_BCAST) && (addr == bcast));
-+ break;
-+ case NXA_TYPE_RANGE:
-+ ret = ((nxa->ip[0].s_addr <= addr) &&
-+ (nxa->ip[1].s_addr > addr));
-+ break;
-+ case NXA_TYPE_ANY:
-+ ret = 2;
-+ break;
-+ }
++#endif /* _UAPI_VS_CONTEXT_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/context_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/context_cmd.h
+--- linux-3.18.5/include/uapi/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/context_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,115 @@
++#ifndef _UAPI_VS_CONTEXT_CMD_H
++#define _UAPI_VS_CONTEXT_CMD_H
+
-+ vxdprintk(VXD_CBIT(net, 0),
-+ "v4_addr_match(%p" NXAV4_FMT "," NIPQUAD_FMT ",%04x) = %d",
-+ nxa, NXAV4(nxa), NIPQUAD(addr), tmask, ret);
-+ return ret;
-+}
+
-+static inline
-+int v4_addr_in_nx_info(struct nx_info *nxi, __be32 addr, uint16_t tmask)
-+{
-+ struct nx_addr_v4 *nxa;
-+ int ret = 1;
++/* vinfo commands */
+
-+ if (!nxi)
-+ goto out;
++#define VCMD_task_xid VC_CMD(VINFO, 1, 0)
+
-+ ret = 2;
-+ /* allow 127.0.0.1 when remapping lback */
-+ if ((tmask & NXA_LOOPBACK) &&
-+ (addr == IPI_LOOPBACK) &&
-+ nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
-+ goto out;
-+ ret = 3;
-+ /* check for lback address */
-+ if ((tmask & NXA_MOD_LBACK) &&
-+ (nxi->v4_lback.s_addr == addr))
-+ goto out;
-+ ret = 4;
-+ /* check for broadcast address */
-+ if ((tmask & NXA_MOD_BCAST) &&
-+ (nxi->v4_bcast.s_addr == addr))
-+ goto out;
-+ ret = 5;
-+ /* check for v4 addresses */
-+ for (nxa = &nxi->v4; nxa; nxa = nxa->next)
-+ if (v4_addr_match(nxa, addr, tmask))
-+ goto out;
-+ ret = 0;
-+out:
-+ vxdprintk(VXD_CBIT(net, 0),
-+ "v4_addr_in_nx_info(%p[#%u]," NIPQUAD_FMT ",%04x) = %d",
-+ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(addr), tmask, ret);
-+ return ret;
-+}
+
-+static inline
-+int v4_nx_addr_match(struct nx_addr_v4 *nxa, struct nx_addr_v4 *addr, uint16_t mask)
-+{
-+ /* FIXME: needs full range checks */
-+ return v4_addr_match(nxa, addr->ip[0].s_addr, mask);
-+}
++#define VCMD_vx_info VC_CMD(VINFO, 5, 0)
+
-+static inline
-+int v4_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v4 *nxa, uint16_t mask)
-+{
-+ struct nx_addr_v4 *ptr;
++struct vcmd_vx_info_v0 {
++ uint32_t xid;
++ uint32_t initpid;
++ /* more to come */
++};
+
-+ for (ptr = &nxi->v4; ptr; ptr = ptr->next)
-+ if (v4_nx_addr_match(ptr, nxa, mask))
-+ return 1;
-+ return 0;
-+}
+
-+#include <net/inet_sock.h>
++#define VCMD_ctx_stat VC_CMD(VSTAT, 0, 0)
+
-+/*
-+ * Check if a given address matches for a socket
-+ *
-+ * nxi: the socket's nx_info if any
-+ * addr: to be verified address
-+ */
-+static inline
-+int v4_sock_addr_match (
-+ struct nx_info *nxi,
-+ struct inet_sock *inet,
-+ __be32 addr)
-+{
-+ __be32 saddr = inet->rcv_saddr;
-+ __be32 bcast = nxi ? nxi->v4_bcast.s_addr : INADDR_BROADCAST;
++struct vcmd_ctx_stat_v0 {
++ uint32_t usecnt;
++ uint32_t tasks;
++ /* more to come */
++};
+
-+ if (addr && (saddr == addr || bcast == addr))
-+ return 1;
-+ if (!saddr)
-+ return v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND);
-+ return 0;
-+}
+
++/* context commands */
+
-+/* inet related checks and helpers */
++#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0)
++#define VCMD_ctx_create VC_CMD(VPROC, 1, 1)
+
++struct vcmd_ctx_create {
++ uint64_t flagword;
++};
+
-+struct in_ifaddr;
-+struct net_device;
-+struct sock;
++#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0)
++#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1)
+
-+#ifdef CONFIG_INET
++struct vcmd_ctx_migrate {
++ uint64_t flagword;
++};
+
-+#include <linux/netdevice.h>
-+#include <linux/inetdevice.h>
-+#include <net/inet_sock.h>
-+#include <net/inet_timewait_sock.h>
+
+
-+int dev_in_nx_info(struct net_device *, struct nx_info *);
-+int v4_dev_in_nx_info(struct net_device *, struct nx_info *);
-+int nx_v4_addr_conflict(struct nx_info *, struct nx_info *);
++/* flag commands */
+
++#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
++#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
+
-+/*
-+ * check if address is covered by socket
-+ *
-+ * sk: the socket to check against
-+ * addr: the address in question (must be != 0)
-+ */
++struct vcmd_ctx_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
+
-+static inline
-+int __v4_addr_match_socket(const struct sock *sk, struct nx_addr_v4 *nxa)
-+{
-+ struct nx_info *nxi = sk->sk_nx_info;
-+ __be32 saddr = inet_rcv_saddr(sk);
+
-+ vxdprintk(VXD_CBIT(net, 5),
-+ "__v4_addr_in_socket(%p," NXAV4_FMT ") %p:" NIPQUAD_FMT " %p;%lx",
-+ sk, NXAV4(nxa), nxi, NIPQUAD(saddr), sk->sk_socket,
-+ (sk->sk_socket?sk->sk_socket->flags:0));
+
-+ if (saddr) { /* direct address match */
-+ return v4_addr_match(nxa, saddr, -1);
-+ } else if (nxi) { /* match against nx_info */
-+ return v4_nx_addr_in_nx_info(nxi, nxa, -1);
-+ } else { /* unrestricted any socket */
-+ return 1;
-+ }
-+}
++/* context caps commands */
+
++#define VCMD_get_ccaps VC_CMD(FLAGS, 3, 1)
++#define VCMD_set_ccaps VC_CMD(FLAGS, 4, 1)
+
++struct vcmd_ctx_caps_v1 {
++ uint64_t ccaps;
++ uint64_t cmask;
++};
+
-+static inline
-+int nx_dev_visible(struct nx_info *nxi, struct net_device *dev)
-+{
-+ vxdprintk(VXD_CBIT(net, 1), "nx_dev_visible(%p[#%u],%p »%s«) %d",
-+ nxi, nxi ? nxi->nx_id : 0, dev, dev->name,
-+ nxi ? dev_in_nx_info(dev, nxi) : 0);
+
-+ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
-+ return 1;
-+ if (dev_in_nx_info(dev, nxi))
-+ return 1;
-+ return 0;
-+}
+
++/* bcaps commands */
+
-+static inline
-+int v4_ifa_in_nx_info(struct in_ifaddr *ifa, struct nx_info *nxi)
-+{
-+ if (!nxi)
-+ return 1;
-+ if (!ifa)
-+ return 0;
-+ return v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW);
-+}
++#define VCMD_get_bcaps VC_CMD(FLAGS, 9, 0)
++#define VCMD_set_bcaps VC_CMD(FLAGS, 10, 0)
+
-+static inline
-+int nx_v4_ifa_visible(struct nx_info *nxi, struct in_ifaddr *ifa)
-+{
-+ vxdprintk(VXD_CBIT(net, 1), "nx_v4_ifa_visible(%p[#%u],%p) %d",
-+ nxi, nxi ? nxi->nx_id : 0, ifa,
-+ nxi ? v4_ifa_in_nx_info(ifa, nxi) : 0);
++struct vcmd_bcaps {
++ uint64_t bcaps;
++ uint64_t bmask;
++};
+
-+ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
-+ return 1;
-+ if (v4_ifa_in_nx_info(ifa, nxi))
-+ return 1;
-+ return 0;
-+}
+
+
-+struct nx_v4_sock_addr {
-+ __be32 saddr; /* Address used for validation */
-+ __be32 baddr; /* Address used for socket bind */
++/* umask commands */
++
++#define VCMD_get_umask VC_CMD(FLAGS, 13, 0)
++#define VCMD_set_umask VC_CMD(FLAGS, 14, 0)
++
++struct vcmd_umask {
++ uint64_t umask;
++ uint64_t mask;
+};
+
-+static inline
-+int v4_map_sock_addr(struct inet_sock *inet, struct sockaddr_in *addr,
-+ struct nx_v4_sock_addr *nsa)
-+{
-+ struct sock *sk = &inet->sk;
-+ struct nx_info *nxi = sk->sk_nx_info;
-+ __be32 saddr = addr->sin_addr.s_addr;
-+ __be32 baddr = saddr;
+
-+ vxdprintk(VXD_CBIT(net, 3),
-+ "inet_bind(%p)* %p,%p;%lx " NIPQUAD_FMT,
-+ sk, sk->sk_nx_info, sk->sk_socket,
-+ (sk->sk_socket ? sk->sk_socket->flags : 0),
-+ NIPQUAD(saddr));
+
-+ if (nxi) {
-+ if (saddr == INADDR_ANY) {
-+ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0))
-+ baddr = nxi->v4.ip[0].s_addr;
-+ } else if (saddr == IPI_LOOPBACK) {
-+ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
-+ baddr = nxi->v4_lback.s_addr;
-+ } else { /* normal address bind */
-+ if (!v4_addr_in_nx_info(nxi, saddr, NXA_MASK_BIND))
-+ return -EADDRNOTAVAIL;
-+ }
-+ }
++/* wmask commands */
+
-+ vxdprintk(VXD_CBIT(net, 3),
-+ "inet_bind(%p) " NIPQUAD_FMT ", " NIPQUAD_FMT,
-+ sk, NIPQUAD(saddr), NIPQUAD(baddr));
++#define VCMD_get_wmask VC_CMD(FLAGS, 15, 0)
++#define VCMD_set_wmask VC_CMD(FLAGS, 16, 0)
+
-+ nsa->saddr = saddr;
-+ nsa->baddr = baddr;
-+ return 0;
-+}
++struct vcmd_wmask {
++ uint64_t wmask;
++ uint64_t mask;
++};
+
-+static inline
-+void v4_set_sock_addr(struct inet_sock *inet, struct nx_v4_sock_addr *nsa)
-+{
-+ inet->saddr = nsa->baddr;
-+ inet->rcv_saddr = nsa->baddr;
-+}
+
+
-+/*
-+ * helper to simplify inet_lookup_listener
-+ *
-+ * nxi: the socket's nx_info if any
-+ * addr: to be verified address
-+ * saddr: socket address
-+ */
-+static inline int v4_inet_addr_match (
-+ struct nx_info *nxi,
-+ __be32 addr,
-+ __be32 saddr)
-+{
-+ if (addr && (saddr == addr))
-+ return 1;
-+ if (!saddr)
-+ return nxi ? v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND) : 1;
-+ return 0;
-+}
++/* OOM badness */
+
-+static inline __be32 nx_map_sock_lback(struct nx_info *nxi, __be32 addr)
-+{
-+ if (nx_info_flags(nxi, NXF_HIDE_LBACK, 0) &&
-+ (addr == nxi->v4_lback.s_addr))
-+ return IPI_LOOPBACK;
-+ return addr;
-+}
++#define VCMD_get_badness VC_CMD(MEMCTRL, 5, 0)
++#define VCMD_set_badness VC_CMD(MEMCTRL, 6, 0)
+
-+static inline
-+int nx_info_has_v4(struct nx_info *nxi)
-+{
-+ if (!nxi)
-+ return 1;
-+ if (NX_IPV4(nxi))
-+ return 1;
-+ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
-+ return 1;
-+ return 0;
-+}
++struct vcmd_badness_v0 {
++ int64_t bias;
++};
+
-+#else /* CONFIG_INET */
++#endif /* _UAPI_VS_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/cvirt_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/cvirt_cmd.h
+--- linux-3.18.5/include/uapi/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/cvirt_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,41 @@
++#ifndef _UAPI_VS_CVIRT_CMD_H
++#define _UAPI_VS_CVIRT_CMD_H
+
-+static inline
-+int nx_dev_visible(struct nx_info *n, struct net_device *d)
-+{
-+ return 1;
-+}
+
-+static inline
-+int nx_v4_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
-+{
-+ return 1;
-+}
++/* virtual host info name commands */
+
-+static inline
-+int v4_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
-+{
-+ return 1;
-+}
++#define VCMD_set_vhi_name VC_CMD(VHOST, 1, 0)
++#define VCMD_get_vhi_name VC_CMD(VHOST, 2, 0)
+
-+static inline
-+int nx_info_has_v4(struct nx_info *nxi)
-+{
-+ return 0;
-+}
++struct vcmd_vhi_name_v0 {
++ uint32_t field;
++ char name[65];
++};
+
-+#endif /* CONFIG_INET */
+
-+#define current_nx_info_has_v4() \
-+ nx_info_has_v4(current_nx_info())
++enum vhi_name_field {
++ VHIN_CONTEXT = 0,
++ VHIN_SYSNAME,
++ VHIN_NODENAME,
++ VHIN_RELEASE,
++ VHIN_VERSION,
++ VHIN_MACHINE,
++ VHIN_DOMAINNAME,
++};
++
+
-+#else
-+// #warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_limit.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_limit.h
---- linux-2.6.27.33/include/linux/vs_limit.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_limit.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,140 @@
-+#ifndef _VS_LIMIT_H
-+#define _VS_LIMIT_H
+
-+#include "vserver/limit.h"
-+#include "vserver/base.h"
-+#include "vserver/context.h"
-+#include "vserver/debug.h"
-+#include "vserver/context.h"
-+#include "vserver/limit_int.h"
++#define VCMD_virt_stat VC_CMD(VSTAT, 3, 0)
+
++struct vcmd_virt_stat_v0 {
++ uint64_t offset;
++ uint64_t uptime;
++ uint32_t nr_threads;
++ uint32_t nr_running;
++ uint32_t nr_uninterruptible;
++ uint32_t nr_onhold;
++ uint32_t nr_forks;
++ uint32_t load[3];
++};
+
-+#define vx_acc_cres(v, d, p, r) \
-+ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
++#endif /* _UAPI_VS_CVIRT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/debug_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/debug_cmd.h
+--- linux-3.18.5/include/uapi/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/debug_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,24 @@
++#ifndef _UAPI_VS_DEBUG_CMD_H
++#define _UAPI_VS_DEBUG_CMD_H
+
-+#define vx_acc_cres_cond(x, d, p, r) \
-+ __vx_acc_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \
-+ r, d, p, __FILE__, __LINE__)
+
++/* debug commands */
+
-+#define vx_add_cres(v, a, p, r) \
-+ __vx_add_cres(v, r, a, p, __FILE__, __LINE__)
-+#define vx_sub_cres(v, a, p, r) vx_add_cres(v, -(a), p, r)
++#define VCMD_dump_history VC_CMD(DEBUG, 1, 0)
+
-+#define vx_add_cres_cond(x, a, p, r) \
-+ __vx_add_cres(((x) == vx_current_xid()) ? current->vx_info : 0, \
-+ r, a, p, __FILE__, __LINE__)
-+#define vx_sub_cres_cond(x, a, p, r) vx_add_cres_cond(x, -(a), p, r)
++#define VCMD_read_history VC_CMD(DEBUG, 5, 0)
++#define VCMD_read_monitor VC_CMD(DEBUG, 6, 0)
+
++struct vcmd_read_history_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
+
-+/* process and file limits */
++struct vcmd_read_monitor_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
+
-+#define vx_nproc_inc(p) \
-+ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
++#endif /* _UAPI_VS_DEBUG_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/device.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/device.h
+--- linux-3.18.5/include/uapi/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/device.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _UAPI_VS_DEVICE_H
++#define _UAPI_VS_DEVICE_H
+
-+#define vx_nproc_dec(p) \
-+ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
+
-+#define vx_files_inc(f) \
-+ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
++#define DATTR_CREATE 0x00000001
++#define DATTR_OPEN 0x00000002
+
-+#define vx_files_dec(f) \
-+ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
++#define DATTR_REMAP 0x00000010
+
-+#define vx_locks_inc(l) \
-+ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
++#define DATTR_MASK 0x00000013
+
-+#define vx_locks_dec(l) \
-+ vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
++#endif /* _UAPI_VS_DEVICE_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/device_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/device_cmd.h
+--- linux-3.18.5/include/uapi/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/device_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,16 @@
++#ifndef _UAPI_VS_DEVICE_CMD_H
++#define _UAPI_VS_DEVICE_CMD_H
+
-+#define vx_openfd_inc(f) \
-+ vx_acc_cres(current->vx_info, 1, (void *)(long)(f), VLIMIT_OPENFD)
+
-+#define vx_openfd_dec(f) \
-+ vx_acc_cres(current->vx_info,-1, (void *)(long)(f), VLIMIT_OPENFD)
++/* device vserver commands */
+
++#define VCMD_set_mapping VC_CMD(DEVICE, 1, 0)
++#define VCMD_unset_mapping VC_CMD(DEVICE, 2, 0)
+
-+#define vx_cres_avail(v, n, r) \
-+ __vx_cres_avail(v, r, n, __FILE__, __LINE__)
++struct vcmd_set_mapping_v0 {
++ const char __user *device;
++ const char __user *target;
++ uint32_t flags;
++};
+
++#endif /* _UAPI_VS_DEVICE_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/dlimit_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/dlimit_cmd.h
+--- linux-3.18.5/include/uapi/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/dlimit_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _UAPI_VS_DLIMIT_CMD_H
++#define _UAPI_VS_DLIMIT_CMD_H
+
-+#define vx_nproc_avail(n) \
-+ vx_cres_avail(current->vx_info, n, RLIMIT_NPROC)
+
-+#define vx_files_avail(n) \
-+ vx_cres_avail(current->vx_info, n, RLIMIT_NOFILE)
++/* dlimit vserver commands */
+
-+#define vx_locks_avail(n) \
-+ vx_cres_avail(current->vx_info, n, RLIMIT_LOCKS)
++#define VCMD_add_dlimit VC_CMD(DLIMIT, 1, 0)
++#define VCMD_rem_dlimit VC_CMD(DLIMIT, 2, 0)
+
-+#define vx_openfd_avail(n) \
-+ vx_cres_avail(current->vx_info, n, VLIMIT_OPENFD)
++#define VCMD_set_dlimit VC_CMD(DLIMIT, 5, 0)
++#define VCMD_get_dlimit VC_CMD(DLIMIT, 6, 0)
+
++struct vcmd_ctx_dlimit_base_v0 {
++ const char __user *name;
++ uint32_t flags;
++};
+
-+/* dentry limits */
++struct vcmd_ctx_dlimit_v0 {
++ const char __user *name;
++ uint32_t space_used; /* used space in kbytes */
++ uint32_t space_total; /* maximum space in kbytes */
++ uint32_t inodes_used; /* used inodes */
++ uint32_t inodes_total; /* maximum inodes */
++ uint32_t reserved; /* reserved for root in % */
++ uint32_t flags;
++};
+
-+#define vx_dentry_inc(d) do { \
-+ if (atomic_read(&d->d_count) == 1) \
-+ vx_acc_cres(current->vx_info, 1, d, VLIMIT_DENTRY); \
-+ } while (0)
++#define CDLIM_UNSET ((uint32_t)0UL)
++#define CDLIM_INFINITY ((uint32_t)~0UL)
++#define CDLIM_KEEP ((uint32_t)~1UL)
+
-+#define vx_dentry_dec(d) do { \
-+ if (atomic_read(&d->d_count) == 0) \
-+ vx_acc_cres(current->vx_info,-1, d, VLIMIT_DENTRY); \
-+ } while (0)
++#define DLIME_UNIT 0
++#define DLIME_KILO 1
++#define DLIME_MEGA 2
++#define DLIME_GIGA 3
+
-+#define vx_dentry_avail(n) \
-+ vx_cres_avail(current->vx_info, n, VLIMIT_DENTRY)
++#define DLIMF_SHIFT 0x10
+
++#define DLIMS_USED 0
++#define DLIMS_TOTAL 2
+
-+/* socket limits */
++static inline
++uint64_t dlimit_space_32to64(uint32_t val, uint32_t flags, int shift)
++{
++ int exp = (flags & DLIMF_SHIFT) ?
++ (flags >> shift) & DLIME_GIGA : DLIME_KILO;
++ return ((uint64_t)val) << (10 * exp);
++}
+
-+#define vx_sock_inc(s) \
-+ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
++static inline
++uint32_t dlimit_space_64to32(uint64_t val, uint32_t *flags, int shift)
++{
++ int exp = 0;
+
-+#define vx_sock_dec(s) \
-+ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
++ if (*flags & DLIMF_SHIFT) {
++ while (val > (1LL << 32) && (exp < 3)) {
++ val >>= 10;
++ exp++;
++ }
++ *flags &= ~(DLIME_GIGA << shift);
++ *flags |= exp << shift;
++ } else
++ val >>= 10;
++ return val;
++}
+
-+#define vx_sock_avail(n) \
-+ vx_cres_avail(current->vx_info, n, VLIMIT_NSOCK)
++#endif /* _UAPI_VS_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/inode.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/inode.h
+--- linux-3.18.5/include/uapi/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/inode.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _UAPI_VS_INODE_H
++#define _UAPI_VS_INODE_H
+
+
-+/* ipc resource limits */
++#define IATTR_TAG 0x01000000
+
-+#define vx_ipcmsg_add(v, u, a) \
-+ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
++#define IATTR_ADMIN 0x00000001
++#define IATTR_WATCH 0x00000002
++#define IATTR_HIDE 0x00000004
++#define IATTR_FLAGS 0x00000007
+
-+#define vx_ipcmsg_sub(v, u, a) \
-+ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
++#define IATTR_BARRIER 0x00010000
++#define IATTR_IXUNLINK 0x00020000
++#define IATTR_IMMUTABLE 0x00040000
++#define IATTR_COW 0x00080000
+
-+#define vx_ipcmsg_avail(v, a) \
-+ vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
+
++/* inode ioctls */
+
-+#define vx_ipcshm_add(v, k, a) \
-+ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++#define FIOC_GETXFLG _IOR('x', 5, long)
++#define FIOC_SETXFLG _IOW('x', 6, long)
+
-+#define vx_ipcshm_sub(v, k, a) \
-+ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++#endif /* _UAPI_VS_INODE_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/inode_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/inode_cmd.h
+--- linux-3.18.5/include/uapi/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/inode_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,26 @@
++#ifndef _UAPI_VS_INODE_CMD_H
++#define _UAPI_VS_INODE_CMD_H
+
-+#define vx_ipcshm_avail(v, a) \
-+ vx_cres_avail(v, a, VLIMIT_SHMEM)
+
++/* inode vserver commands */
+
-+#define vx_semary_inc(a) \
-+ vx_acc_cres(current->vx_info, 1, a, VLIMIT_SEMARY)
++#define VCMD_get_iattr VC_CMD(INODE, 1, 1)
++#define VCMD_set_iattr VC_CMD(INODE, 2, 1)
+
-+#define vx_semary_dec(a) \
-+ vx_acc_cres(current->vx_info, -1, a, VLIMIT_SEMARY)
++#define VCMD_fget_iattr VC_CMD(INODE, 3, 0)
++#define VCMD_fset_iattr VC_CMD(INODE, 4, 0)
++
++struct vcmd_ctx_iattr_v1 {
++ const char __user *name;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
+
++struct vcmd_ctx_fiattr_v0 {
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
+
-+#define vx_nsems_add(a,n) \
-+ vx_add_cres(current->vx_info, n, a, VLIMIT_NSEMS)
++#endif /* _UAPI_VS_INODE_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/limit.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/limit.h
+--- linux-3.18.5/include/uapi/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/limit.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _UAPI_VS_LIMIT_H
++#define _UAPI_VS_LIMIT_H
+
-+#define vx_nsems_sub(a,n) \
-+ vx_sub_cres(current->vx_info, n, a, VLIMIT_NSEMS)
+
++#define VLIMIT_NSOCK 16
++#define VLIMIT_OPENFD 17
++#define VLIMIT_ANON 18
++#define VLIMIT_SHMEM 19
++#define VLIMIT_SEMARY 20
++#define VLIMIT_NSEMS 21
++#define VLIMIT_DENTRY 22
++#define VLIMIT_MAPPED 23
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_memory.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_memory.h
---- linux-2.6.27.33/include/linux/vs_memory.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_memory.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,159 @@
-+#ifndef _VS_MEMORY_H
-+#define _VS_MEMORY_H
++#endif /* _UAPI_VS_LIMIT_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/limit_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/limit_cmd.h
+--- linux-3.18.5/include/uapi/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/limit_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _UAPI_VS_LIMIT_CMD_H
++#define _UAPI_VS_LIMIT_CMD_H
+
-+#include "vserver/limit.h"
-+#include "vserver/base.h"
-+#include "vserver/context.h"
-+#include "vserver/debug.h"
-+#include "vserver/context.h"
-+#include "vserver/limit_int.h"
+
++/* rlimit vserver commands */
+
-+#define __acc_add_long(a, v) (*(v) += (a))
-+#define __acc_inc_long(v) (++*(v))
-+#define __acc_dec_long(v) (--*(v))
-+
-+#if NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS
-+#define __acc_add_atomic(a, v) atomic_long_add(a, v)
-+#define __acc_inc_atomic(v) atomic_long_inc(v)
-+#define __acc_dec_atomic(v) atomic_long_dec(v)
-+#else /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */
-+#define __acc_add_atomic(a, v) __acc_add_long(a, v)
-+#define __acc_inc_atomic(v) __acc_inc_long(v)
-+#define __acc_dec_atomic(v) __acc_dec_long(v)
-+#endif /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */
-+
-+
-+#define vx_acc_page(m, d, v, r) do { \
-+ if ((d) > 0) \
-+ __acc_inc_long(&(m)->v); \
-+ else \
-+ __acc_dec_long(&(m)->v); \
-+ __vx_acc_cres(m->mm_vx_info, r, d, m, __FILE__, __LINE__); \
-+} while (0)
-+
-+#define vx_acc_page_atomic(m, d, v, r) do { \
-+ if ((d) > 0) \
-+ __acc_inc_atomic(&(m)->v); \
-+ else \
-+ __acc_dec_atomic(&(m)->v); \
-+ __vx_acc_cres(m->mm_vx_info, r, d, m, __FILE__, __LINE__); \
-+} while (0)
-+
-+
-+#define vx_acc_pages(m, p, v, r) do { \
-+ unsigned long __p = (p); \
-+ __acc_add_long(__p, &(m)->v); \
-+ __vx_add_cres(m->mm_vx_info, r, __p, m, __FILE__, __LINE__); \
-+} while (0)
-+
-+#define vx_acc_pages_atomic(m, p, v, r) do { \
-+ unsigned long __p = (p); \
-+ __acc_add_atomic(__p, &(m)->v); \
-+ __vx_add_cres(m->mm_vx_info, r, __p, m, __FILE__, __LINE__); \
-+} while (0)
-+
-+
-+
-+#define vx_acc_vmpage(m, d) \
-+ vx_acc_page(m, d, total_vm, RLIMIT_AS)
-+#define vx_acc_vmlpage(m, d) \
-+ vx_acc_page(m, d, locked_vm, RLIMIT_MEMLOCK)
-+#define vx_acc_file_rsspage(m, d) \
-+ vx_acc_page_atomic(m, d, _file_rss, VLIMIT_MAPPED)
-+#define vx_acc_anon_rsspage(m, d) \
-+ vx_acc_page_atomic(m, d, _anon_rss, VLIMIT_ANON)
-+
-+#define vx_acc_vmpages(m, p) \
-+ vx_acc_pages(m, p, total_vm, RLIMIT_AS)
-+#define vx_acc_vmlpages(m, p) \
-+ vx_acc_pages(m, p, locked_vm, RLIMIT_MEMLOCK)
-+#define vx_acc_file_rsspages(m, p) \
-+ vx_acc_pages_atomic(m, p, _file_rss, VLIMIT_MAPPED)
-+#define vx_acc_anon_rsspages(m, p) \
-+ vx_acc_pages_atomic(m, p, _anon_rss, VLIMIT_ANON)
-+
-+#define vx_pages_add(s, r, p) __vx_add_cres(s, r, p, 0, __FILE__, __LINE__)
-+#define vx_pages_sub(s, r, p) vx_pages_add(s, r, -(p))
-+
-+#define vx_vmpages_inc(m) vx_acc_vmpage(m, 1)
-+#define vx_vmpages_dec(m) vx_acc_vmpage(m, -1)
-+#define vx_vmpages_add(m, p) vx_acc_vmpages(m, p)
-+#define vx_vmpages_sub(m, p) vx_acc_vmpages(m, -(p))
-+
-+#define vx_vmlocked_inc(m) vx_acc_vmlpage(m, 1)
-+#define vx_vmlocked_dec(m) vx_acc_vmlpage(m, -1)
-+#define vx_vmlocked_add(m, p) vx_acc_vmlpages(m, p)
-+#define vx_vmlocked_sub(m, p) vx_acc_vmlpages(m, -(p))
-+
-+#define vx_file_rsspages_inc(m) vx_acc_file_rsspage(m, 1)
-+#define vx_file_rsspages_dec(m) vx_acc_file_rsspage(m, -1)
-+#define vx_file_rsspages_add(m, p) vx_acc_file_rsspages(m, p)
-+#define vx_file_rsspages_sub(m, p) vx_acc_file_rsspages(m, -(p))
-+
-+#define vx_anon_rsspages_inc(m) vx_acc_anon_rsspage(m, 1)
-+#define vx_anon_rsspages_dec(m) vx_acc_anon_rsspage(m, -1)
-+#define vx_anon_rsspages_add(m, p) vx_acc_anon_rsspages(m, p)
-+#define vx_anon_rsspages_sub(m, p) vx_acc_anon_rsspages(m, -(p))
-+
-+
-+#define vx_pages_avail(m, p, r) \
-+ __vx_cres_avail((m)->mm_vx_info, r, p, __FILE__, __LINE__)
-+
-+#define vx_vmpages_avail(m, p) vx_pages_avail(m, p, RLIMIT_AS)
-+#define vx_vmlocked_avail(m, p) vx_pages_avail(m, p, RLIMIT_MEMLOCK)
-+#define vx_anon_avail(m, p) vx_pages_avail(m, p, VLIMIT_ANON)
-+#define vx_mapped_avail(m, p) vx_pages_avail(m, p, VLIMIT_MAPPED)
-+
-+#define vx_rss_avail(m, p) \
-+ __vx_cres_array_avail((m)->mm_vx_info, VLA_RSS, p, __FILE__, __LINE__)
++#define VCMD_get_rlimit VC_CMD(RLIMIT, 1, 0)
++#define VCMD_set_rlimit VC_CMD(RLIMIT, 2, 0)
++#define VCMD_get_rlimit_mask VC_CMD(RLIMIT, 3, 0)
++#define VCMD_reset_hits VC_CMD(RLIMIT, 7, 0)
++#define VCMD_reset_minmax VC_CMD(RLIMIT, 9, 0)
+
++struct vcmd_ctx_rlimit_v0 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++};
+
-+enum {
-+ VXPT_UNKNOWN = 0,
-+ VXPT_ANON,
-+ VXPT_NONE,
-+ VXPT_FILE,
-+ VXPT_SWAP,
-+ VXPT_WRITE
++struct vcmd_ctx_rlimit_mask_v0 {
++ uint32_t minimum;
++ uint32_t softlimit;
++ uint32_t maximum;
+};
+
-+#if 0
-+#define vx_page_fault(mm, vma, type, ret)
-+#else
++#define VCMD_rlimit_stat VC_CMD(VSTAT, 1, 0)
+
-+static inline
-+void __vx_page_fault(struct mm_struct *mm,
-+ struct vm_area_struct *vma, int type, int ret)
-+{
-+ struct vx_info *vxi = mm->mm_vx_info;
-+ int what;
-+/*
-+ static char *page_type[6] =
-+ { "UNKNOWN", "ANON", "NONE", "FILE", "SWAP", "WRITE" };
-+ static char *page_what[4] =
-+ { "FAULT_OOM", "FAULT_SIGBUS", "FAULT_MINOR", "FAULT_MAJOR" };
-+*/
++struct vcmd_rlimit_stat_v0 {
++ uint32_t id;
++ uint32_t hits;
++ uint64_t value;
++ uint64_t minimum;
++ uint64_t maximum;
++};
+
-+ if (!vxi)
-+ return;
++#define CRLIM_UNSET (0ULL)
++#define CRLIM_INFINITY (~0ULL)
++#define CRLIM_KEEP (~1ULL)
+
-+ what = (ret & 0x3);
++#endif /* _UAPI_VS_LIMIT_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/monitor.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/monitor.h
+--- linux-3.18.5/include/uapi/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/monitor.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,96 @@
++#ifndef _UAPI_VS_MONITOR_H
++#define _UAPI_VS_MONITOR_H
+
-+/* printk("[%d] page[%d][%d] %2x %s %s\n", vxi->vx_id,
-+ type, what, ret, page_type[type], page_what[what]);
-+*/
-+ if (ret & VM_FAULT_WRITE)
-+ what |= 0x4;
-+ atomic_inc(&vxi->cacct.page[type][what]);
-+}
++#include <linux/types.h>
+
-+#define vx_page_fault(mm, vma, type, ret) __vx_page_fault(mm, vma, type, ret)
-+#endif
+
++enum {
++ VXM_UNUSED = 0,
+
-+extern unsigned long vx_badness(struct task_struct *task, struct mm_struct *mm);
++ VXM_SYNC = 0x10,
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_network.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_network.h
---- linux-2.6.27.33/include/linux/vs_network.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_network.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,169 @@
-+#ifndef _NX_VS_NETWORK_H
-+#define _NX_VS_NETWORK_H
++ VXM_UPDATE = 0x20,
++ VXM_UPDATE_1,
++ VXM_UPDATE_2,
+
-+#include "vserver/context.h"
-+#include "vserver/network.h"
-+#include "vserver/base.h"
-+#include "vserver/check.h"
-+#include "vserver/debug.h"
++ VXM_RQINFO_1 = 0x24,
++ VXM_RQINFO_2,
+
-+#include <linux/sched.h>
++ VXM_ACTIVATE = 0x40,
++ VXM_DEACTIVATE,
++ VXM_IDLE,
+
++ VXM_HOLD = 0x44,
++ VXM_UNHOLD,
+
-+#define get_nx_info(i) __get_nx_info(i, __FILE__, __LINE__)
++ VXM_MIGRATE = 0x48,
++ VXM_RESCHED,
+
-+static inline struct nx_info *__get_nx_info(struct nx_info *nxi,
-+ const char *_file, int _line)
-+{
-+ if (!nxi)
-+ return NULL;
++ /* all other bits are flags */
++ VXM_SCHED = 0x80,
++};
+
-+ vxlprintk(VXD_CBIT(nid, 2), "get_nx_info(%p[#%d.%d])",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ _file, _line);
++struct _vxm_update_1 {
++ uint32_t tokens_max;
++ uint32_t fill_rate;
++ uint32_t interval;
++};
+
-+ atomic_inc(&nxi->nx_usecnt);
-+ return nxi;
-+}
++struct _vxm_update_2 {
++ uint32_t tokens_min;
++ uint32_t fill_rate;
++ uint32_t interval;
++};
+
++struct _vxm_rqinfo_1 {
++ uint16_t running;
++ uint16_t onhold;
++ uint16_t iowait;
++ uint16_t uintr;
++ uint32_t idle_tokens;
++};
+
-+extern void free_nx_info(struct nx_info *);
++struct _vxm_rqinfo_2 {
++ uint32_t norm_time;
++ uint32_t idle_time;
++ uint32_t idle_skip;
++};
+
-+#define put_nx_info(i) __put_nx_info(i, __FILE__, __LINE__)
++struct _vxm_sched {
++ uint32_t tokens;
++ uint32_t norm_time;
++ uint32_t idle_time;
++};
+
-+static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line)
-+{
-+ if (!nxi)
-+ return;
++struct _vxm_task {
++ uint16_t pid;
++ uint16_t state;
++};
+
-+ vxlprintk(VXD_CBIT(nid, 2), "put_nx_info(%p[#%d.%d])",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ _file, _line);
++struct _vxm_event {
++ uint32_t jif;
++ union {
++ uint32_t seq;
++ uint32_t sec;
++ };
++ union {
++ uint32_t tokens;
++ uint32_t nsec;
++ struct _vxm_task tsk;
++ };
++};
+
-+ if (atomic_dec_and_test(&nxi->nx_usecnt))
-+ free_nx_info(nxi);
-+}
++struct _vx_mon_entry {
++ uint16_t type;
++ uint16_t xid;
++ union {
++ struct _vxm_event ev;
++ struct _vxm_sched sd;
++ struct _vxm_update_1 u1;
++ struct _vxm_update_2 u2;
++ struct _vxm_rqinfo_1 q1;
++ struct _vxm_rqinfo_2 q2;
++ };
++};
+
++#endif /* _UAPI_VS_MONITOR_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/network.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/network.h
+--- linux-3.18.5/include/uapi/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/network.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,76 @@
++#ifndef _UAPI_VS_NETWORK_H
++#define _UAPI_VS_NETWORK_H
+
-+#define init_nx_info(p, i) __init_nx_info(p, i, __FILE__, __LINE__)
++#include <linux/types.h>
+
-+static inline void __init_nx_info(struct nx_info **nxp, struct nx_info *nxi,
-+ const char *_file, int _line)
-+{
-+ if (nxi) {
-+ vxlprintk(VXD_CBIT(nid, 3),
-+ "init_nx_info(%p[#%d.%d])",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ _file, _line);
+
-+ atomic_inc(&nxi->nx_usecnt);
-+ }
-+ *nxp = nxi;
-+}
++#define MAX_N_CONTEXT 65535 /* Arbitrary limit */
+
+
-+#define set_nx_info(p, i) __set_nx_info(p, i, __FILE__, __LINE__)
++/* network flags */
+
-+static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi,
-+ const char *_file, int _line)
-+{
-+ struct nx_info *nxo;
++#define NXF_INFO_PRIVATE 0x00000008
+
-+ if (!nxi)
-+ return;
++#define NXF_SINGLE_IP 0x00000100
++#define NXF_LBACK_REMAP 0x00000200
++#define NXF_LBACK_ALLOW 0x00000400
+
-+ vxlprintk(VXD_CBIT(nid, 3), "set_nx_info(%p[#%d.%d])",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ _file, _line);
++#define NXF_HIDE_NETIF 0x02000000
++#define NXF_HIDE_LBACK 0x04000000
+
-+ atomic_inc(&nxi->nx_usecnt);
-+ nxo = xchg(nxp, nxi);
-+ BUG_ON(nxo);
-+}
++#define NXF_STATE_SETUP (1ULL << 32)
++#define NXF_STATE_ADMIN (1ULL << 34)
+
-+#define clr_nx_info(p) __clr_nx_info(p, __FILE__, __LINE__)
++#define NXF_SC_HELPER (1ULL << 36)
++#define NXF_PERSISTENT (1ULL << 38)
+
-+static inline void __clr_nx_info(struct nx_info **nxp,
-+ const char *_file, int _line)
-+{
-+ struct nx_info *nxo;
++#define NXF_ONE_TIME (0x0005ULL << 32)
+
-+ nxo = xchg(nxp, NULL);
-+ if (!nxo)
-+ return;
+
-+ vxlprintk(VXD_CBIT(nid, 3), "clr_nx_info(%p[#%d.%d])",
-+ nxo, nxo ? nxo->nx_id : 0,
-+ nxo ? atomic_read(&nxo->nx_usecnt) : 0,
-+ _file, _line);
++#define NXF_INIT_SET (__nxf_init_set())
+
-+ if (atomic_dec_and_test(&nxo->nx_usecnt))
-+ free_nx_info(nxo);
++static inline uint64_t __nxf_init_set(void) {
++ return NXF_STATE_ADMIN
++#ifdef CONFIG_VSERVER_AUTO_LBACK
++ | NXF_LBACK_REMAP
++ | NXF_HIDE_LBACK
++#endif
++#ifdef CONFIG_VSERVER_AUTO_SINGLE
++ | NXF_SINGLE_IP
++#endif
++ | NXF_HIDE_NETIF;
+}
+
+
-+#define claim_nx_info(v, p) __claim_nx_info(v, p, __FILE__, __LINE__)
++/* network caps */
+
-+static inline void __claim_nx_info(struct nx_info *nxi,
-+ struct task_struct *task, const char *_file, int _line)
-+{
-+ vxlprintk(VXD_CBIT(nid, 3), "claim_nx_info(%p[#%d.%d.%d]) %p",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi?atomic_read(&nxi->nx_usecnt):0,
-+ nxi?atomic_read(&nxi->nx_tasks):0,
-+ task, _file, _line);
++#define NXC_TUN_CREATE 0x00000001
+
-+ atomic_inc(&nxi->nx_tasks);
-+}
++#define NXC_RAW_ICMP 0x00000100
+
++#define NXC_MULTICAST 0x00001000
+
-+extern void unhash_nx_info(struct nx_info *);
+
-+#define release_nx_info(v, p) __release_nx_info(v, p, __FILE__, __LINE__)
++/* address types */
+
-+static inline void __release_nx_info(struct nx_info *nxi,
-+ struct task_struct *task, const char *_file, int _line)
-+{
-+ vxlprintk(VXD_CBIT(nid, 3), "release_nx_info(%p[#%d.%d.%d]) %p",
-+ nxi, nxi ? nxi->nx_id : 0,
-+ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
-+ nxi ? atomic_read(&nxi->nx_tasks) : 0,
-+ task, _file, _line);
++#define NXA_TYPE_IPV4 0x0001
++#define NXA_TYPE_IPV6 0x0002
+
-+ might_sleep();
++#define NXA_TYPE_NONE 0x0000
++#define NXA_TYPE_ANY 0x00FF
+
-+ if (atomic_dec_and_test(&nxi->nx_tasks))
-+ unhash_nx_info(nxi);
-+}
++#define NXA_TYPE_ADDR 0x0010
++#define NXA_TYPE_MASK 0x0020
++#define NXA_TYPE_RANGE 0x0040
+
++#define NXA_MASK_ALL (NXA_TYPE_ADDR | NXA_TYPE_MASK | NXA_TYPE_RANGE)
+
-+#define task_get_nx_info(i) __task_get_nx_info(i, __FILE__, __LINE__)
++#define NXA_MOD_BCAST 0x0100
++#define NXA_MOD_LBACK 0x0200
+
-+static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p,
-+ const char *_file, int _line)
-+{
-+ struct nx_info *nxi;
++#define NXA_LOOPBACK 0x1000
+
-+ task_lock(p);
-+ vxlprintk(VXD_CBIT(nid, 5), "task_get_nx_info(%p)",
-+ p, _file, _line);
-+ nxi = __get_nx_info(p->nx_info, _file, _line);
-+ task_unlock(p);
-+ return nxi;
-+}
++#define NXA_MASK_BIND (NXA_MASK_ALL | NXA_MOD_BCAST | NXA_MOD_LBACK)
++#define NXA_MASK_SHOW (NXA_MASK_ALL | NXA_LOOPBACK)
+
++#endif /* _UAPI_VS_NETWORK_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/network_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/network_cmd.h
+--- linux-3.18.5/include/uapi/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/network_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,123 @@
++#ifndef _UAPI_VS_NETWORK_CMD_H
++#define _UAPI_VS_NETWORK_CMD_H
+
-+static inline void exit_nx_info(struct task_struct *p)
-+{
-+ if (p->nx_info)
-+ release_nx_info(p->nx_info, p);
-+}
+
++/* vinfo commands */
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_pid.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_pid.h
---- linux-2.6.27.33/include/linux/vs_pid.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_pid.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,95 @@
-+#ifndef _VS_PID_H
-+#define _VS_PID_H
++#define VCMD_task_nid VC_CMD(VINFO, 2, 0)
+
-+#include "vserver/base.h"
-+#include "vserver/check.h"
-+#include "vserver/context.h"
-+#include "vserver/debug.h"
-+#include "vserver/pid.h"
-+#include <linux/pid_namespace.h>
+
++#define VCMD_nx_info VC_CMD(VINFO, 6, 0)
++
++struct vcmd_nx_info_v0 {
++ uint32_t nid;
++ /* more to come */
++};
+
-+#define VXF_FAKE_INIT (VXF_INFO_INIT | VXF_STATE_INIT)
+
-+static inline
-+int vx_proc_task_visible(struct task_struct *task)
-+{
-+ if ((task->pid == 1) &&
-+ !vx_flags(VXF_FAKE_INIT, VXF_FAKE_INIT))
-+ /* show a blend through init */
-+ goto visible;
-+ if (vx_check(vx_task_xid(task), VS_WATCH | VS_IDENT))
-+ goto visible;
-+ return 0;
-+visible:
-+ return 1;
-+}
++#include <linux/in.h>
++#include <linux/in6.h>
+
-+#define find_task_by_real_pid(pid) find_task_by_pid_ns(pid, &init_pid_ns)
++#define VCMD_net_create_v0 VC_CMD(VNET, 1, 0)
++#define VCMD_net_create VC_CMD(VNET, 1, 1)
+
-+#if 0
++struct vcmd_net_create {
++ uint64_t flagword;
++};
+
-+static inline
-+struct task_struct *vx_find_proc_task_by_pid(int pid)
-+{
-+ struct task_struct *task = find_task_by_real_pid(pid);
++#define VCMD_net_migrate VC_CMD(NETMIG, 1, 0)
++
++#define VCMD_net_add VC_CMD(NETALT, 1, 0)
++#define VCMD_net_remove VC_CMD(NETALT, 2, 0)
+
-+ if (task && !vx_proc_task_visible(task)) {
-+ vxdprintk(VXD_CBIT(misc, 6),
-+ "dropping task (find) %p[#%u,%u] for %p[#%u,%u]",
-+ task, task->xid, task->pid,
-+ current, current->xid, current->pid);
-+ task = NULL;
-+ }
-+ return task;
-+}
++struct vcmd_net_addr_v0 {
++ uint16_t type;
++ uint16_t count;
++ struct in_addr ip[4];
++ struct in_addr mask[4];
++};
+
-+#endif
++#define VCMD_net_add_ipv4_v1 VC_CMD(NETALT, 1, 1)
++#define VCMD_net_rem_ipv4_v1 VC_CMD(NETALT, 2, 1)
+
-+static inline
-+struct task_struct *vx_get_proc_task(struct inode *inode, struct pid *pid)
-+{
-+ struct task_struct *task = get_pid_task(pid, PIDTYPE_PID);
++struct vcmd_net_addr_ipv4_v1 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ struct in_addr mask;
++};
+
-+ if (task && !vx_proc_task_visible(task)) {
-+ vxdprintk(VXD_CBIT(misc, 6),
-+ "dropping task (get) %p[#%u,%u] for %p[#%u,%u]",
-+ task, task->xid, task->pid,
-+ current, current->xid, current->pid);
-+ put_task_struct(task);
-+ task = NULL;
-+ }
-+ return task;
-+}
++#define VCMD_net_add_ipv4 VC_CMD(NETALT, 1, 2)
++#define VCMD_net_rem_ipv4 VC_CMD(NETALT, 2, 2)
+
-+#if 0
++struct vcmd_net_addr_ipv4_v2 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ struct in_addr ip2;
++ struct in_addr mask;
++};
+
-+static inline
-+struct task_struct *vx_child_reaper(struct task_struct *p)
-+{
-+ struct vx_info *vxi = p->vx_info;
-+ struct task_struct *reaper = child_reaper(p);
++#define VCMD_net_add_ipv6 VC_CMD(NETALT, 3, 1)
++#define VCMD_net_remove_ipv6 VC_CMD(NETALT, 4, 1)
+
-+ if (!vxi)
-+ goto out;
++struct vcmd_net_addr_ipv6_v1 {
++ uint16_t type;
++ uint16_t flags;
++ uint32_t prefix;
++ struct in6_addr ip;
++ struct in6_addr mask;
++};
+
-+ BUG_ON(!p->vx_info->vx_reaper);
++#define VCMD_add_match_ipv4 VC_CMD(NETALT, 5, 0)
++#define VCMD_get_match_ipv4 VC_CMD(NETALT, 6, 0)
+
-+ /* child reaper for the guest reaper */
-+ if (vxi->vx_reaper == p)
-+ goto out;
++struct vcmd_match_ipv4_v0 {
++ uint16_t type;
++ uint16_t flags;
++ uint16_t parent;
++ uint16_t prefix;
++ struct in_addr ip;
++ struct in_addr ip2;
++ struct in_addr mask;
++};
+
-+ reaper = vxi->vx_reaper;
-+out:
-+ vxdprintk(VXD_CBIT(xid, 7),
-+ "vx_child_reaper(%p[#%u,%u]) = %p[#%u,%u]",
-+ p, p->xid, p->pid, reaper, reaper->xid, reaper->pid);
-+ return reaper;
-+}
++#define VCMD_add_match_ipv6 VC_CMD(NETALT, 7, 0)
++#define VCMD_get_match_ipv6 VC_CMD(NETALT, 8, 0)
+
-+#endif
++struct vcmd_match_ipv6_v0 {
++ uint16_t type;
++ uint16_t flags;
++ uint16_t parent;
++ uint16_t prefix;
++ struct in6_addr ip;
++ struct in6_addr ip2;
++ struct in6_addr mask;
++};
+
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_sched.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_sched.h
---- linux-2.6.27.33/include/linux/vs_sched.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_sched.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,110 @@
-+#ifndef _VS_SCHED_H
-+#define _VS_SCHED_H
+
-+#include "vserver/base.h"
-+#include "vserver/context.h"
-+#include "vserver/sched.h"
+
++/* flag commands */
+
-+#define VAVAVOOM_RATIO 50
++#define VCMD_get_nflags VC_CMD(FLAGS, 5, 0)
++#define VCMD_set_nflags VC_CMD(FLAGS, 6, 0)
+
-+#define MAX_PRIO_BIAS 20
-+#define MIN_PRIO_BIAS -20
++struct vcmd_net_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
+
+
-+#ifdef CONFIG_VSERVER_HARDCPU
+
-+/*
-+ * effective_prio - return the priority that is based on the static
-+ * priority but is modified by bonuses/penalties.
-+ *
-+ * We scale the actual sleep average [0 .... MAX_SLEEP_AVG]
-+ * into a -4 ... 0 ... +4 bonus/penalty range.
-+ *
-+ * Additionally, we scale another amount based on the number of
-+ * CPU tokens currently held by the context, if the process is
-+ * part of a context (and the appropriate SCHED flag is set).
-+ * This ranges from -5 ... 0 ... +15, quadratically.
-+ *
-+ * So, the total bonus is -9 .. 0 .. +19
-+ * We use ~50% of the full 0...39 priority range so that:
-+ *
-+ * 1) nice +19 interactive tasks do not preempt nice 0 CPU hogs.
-+ * 2) nice -20 CPU hogs do not get preempted by nice 0 tasks.
-+ * unless that context is far exceeding its CPU allocation.
-+ *
-+ * Both properties are important to certain workloads.
-+ */
-+static inline
-+int vx_effective_vavavoom(struct _vx_sched_pc *sched_pc, int max_prio)
-+{
-+ int vavavoom, max;
-+
-+ /* lots of tokens = lots of vavavoom
-+ * no tokens = no vavavoom */
-+ if ((vavavoom = sched_pc->tokens) >= 0) {
-+ max = sched_pc->tokens_max;
-+ vavavoom = max - vavavoom;
-+ max = max * max;
-+ vavavoom = max_prio * VAVAVOOM_RATIO / 100
-+ * (vavavoom*vavavoom - (max >> 2)) / max;
-+ return vavavoom;
-+ }
-+ return 0;
-+}
++/* network caps commands */
+
++#define VCMD_get_ncaps VC_CMD(FLAGS, 7, 0)
++#define VCMD_set_ncaps VC_CMD(FLAGS, 8, 0)
+
-+static inline
-+int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
-+{
-+ struct vx_info *vxi = p->vx_info;
-+ struct _vx_sched_pc *sched_pc;
++struct vcmd_net_caps_v0 {
++ uint64_t ncaps;
++ uint64_t cmask;
++};
+
-+ if (!vxi)
-+ return prio;
++#endif /* _UAPI_VS_NETWORK_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/sched_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/sched_cmd.h
+--- linux-3.18.5/include/uapi/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/sched_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _UAPI_VS_SCHED_CMD_H
++#define _UAPI_VS_SCHED_CMD_H
+
-+ sched_pc = &vx_cpu(vxi, sched_pc);
-+ if (vx_info_flags(vxi, VXF_SCHED_PRIO, 0)) {
-+ int vavavoom = vx_effective_vavavoom(sched_pc, max_user);
+
-+ sched_pc->vavavoom = vavavoom;
-+ prio += vavavoom;
-+ }
-+ prio += sched_pc->prio_bias;
-+ return prio;
-+}
++struct vcmd_prio_bias {
++ int32_t cpu_id;
++ int32_t prio_bias;
++};
+
-+#else /* !CONFIG_VSERVER_HARDCPU */
++#define VCMD_set_prio_bias VC_CMD(SCHED, 4, 0)
++#define VCMD_get_prio_bias VC_CMD(SCHED, 5, 0)
+
-+static inline
-+int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
-+{
-+ struct vx_info *vxi = p->vx_info;
++#endif /* _UAPI_VS_SCHED_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/signal_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/signal_cmd.h
+--- linux-3.18.5/include/uapi/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/signal_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,31 @@
++#ifndef _UAPI_VS_SIGNAL_CMD_H
++#define _UAPI_VS_SIGNAL_CMD_H
+
-+ if (vxi)
-+ prio += vx_cpu(vxi, sched_pc).prio_bias;
-+ return prio;
-+}
+
-+#endif /* CONFIG_VSERVER_HARDCPU */
++/* signalling vserver commands */
+
++#define VCMD_ctx_kill VC_CMD(PROCTRL, 1, 0)
++#define VCMD_wait_exit VC_CMD(EVENT, 99, 0)
+
-+static inline void vx_account_user(struct vx_info *vxi,
-+ cputime_t cputime, int nice)
-+{
-+ if (!vxi)
-+ return;
-+ vx_cpu(vxi, sched_pc).user_ticks += cputime;
-+}
++struct vcmd_ctx_kill_v0 {
++ int32_t pid;
++ int32_t sig;
++};
+
-+static inline void vx_account_system(struct vx_info *vxi,
-+ cputime_t cputime, int idle)
-+{
-+ if (!vxi)
-+ return;
-+ vx_cpu(vxi, sched_pc).sys_ticks += cputime;
-+}
++struct vcmd_wait_exit_v0 {
++ int32_t reboot_cmd;
++ int32_t exit_code;
++};
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_socket.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_socket.h
---- linux-2.6.27.33/include/linux/vs_socket.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_socket.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,67 @@
-+#ifndef _VS_SOCKET_H
-+#define _VS_SOCKET_H
+
-+#include "vserver/debug.h"
-+#include "vserver/base.h"
-+#include "vserver/cacct.h"
-+#include "vserver/context.h"
-+#include "vserver/tag.h"
++/* process alteration commands */
+
++#define VCMD_get_pflags VC_CMD(PROCALT, 5, 0)
++#define VCMD_set_pflags VC_CMD(PROCALT, 6, 0)
+
-+/* socket accounting */
++struct vcmd_pflags_v0 {
++ uint32_t flagword;
++ uint32_t mask;
++};
+
-+#include <linux/socket.h>
++#endif /* _UAPI_VS_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/space_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/space_cmd.h
+--- linux-3.18.5/include/uapi/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/space_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,28 @@
++#ifndef _UAPI_VS_SPACE_CMD_H
++#define _UAPI_VS_SPACE_CMD_H
+
-+static inline int vx_sock_type(int family)
-+{
-+ switch (family) {
-+ case PF_UNSPEC:
-+ return VXA_SOCK_UNSPEC;
-+ case PF_UNIX:
-+ return VXA_SOCK_UNIX;
-+ case PF_INET:
-+ return VXA_SOCK_INET;
-+ case PF_INET6:
-+ return VXA_SOCK_INET6;
-+ case PF_PACKET:
-+ return VXA_SOCK_PACKET;
-+ default:
-+ return VXA_SOCK_OTHER;
-+ }
-+}
+
-+#define vx_acc_sock(v, f, p, s) \
-+ __vx_acc_sock(v, f, p, s, __FILE__, __LINE__)
++#define VCMD_enter_space_v0 VC_CMD(PROCALT, 1, 0)
++#define VCMD_enter_space_v1 VC_CMD(PROCALT, 1, 1)
++#define VCMD_enter_space VC_CMD(PROCALT, 1, 2)
+
-+static inline void __vx_acc_sock(struct vx_info *vxi,
-+ int family, int pos, int size, char *file, int line)
-+{
-+ if (vxi) {
-+ int type = vx_sock_type(family);
++#define VCMD_set_space_v0 VC_CMD(PROCALT, 3, 0)
++#define VCMD_set_space_v1 VC_CMD(PROCALT, 3, 1)
++#define VCMD_set_space VC_CMD(PROCALT, 3, 2)
+
-+ atomic_long_inc(&vxi->cacct.sock[type][pos].count);
-+ atomic_long_add(size, &vxi->cacct.sock[type][pos].total);
-+ }
-+}
++#define VCMD_get_space_mask_v0 VC_CMD(PROCALT, 4, 0)
+
-+#define vx_sock_recv(sk, s) \
-+ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 0, s)
-+#define vx_sock_send(sk, s) \
-+ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 1, s)
-+#define vx_sock_fail(sk, s) \
-+ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 2, s)
++#define VCMD_get_space_mask VC_CMD(VSPACE, 0, 1)
++#define VCMD_get_space_default VC_CMD(VSPACE, 1, 0)
+
+
-+#define sock_vx_init(s) do { \
-+ (s)->sk_xid = 0; \
-+ (s)->sk_vx_info = NULL; \
-+ } while (0)
++struct vcmd_space_mask_v1 {
++ uint64_t mask;
++};
+
-+#define sock_nx_init(s) do { \
-+ (s)->sk_nid = 0; \
-+ (s)->sk_nx_info = NULL; \
-+ } while (0)
++struct vcmd_space_mask_v2 {
++ uint64_t mask;
++ uint32_t index;
++};
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_tag.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_tag.h
---- linux-2.6.27.33/include/linux/vs_tag.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_tag.h 2008-10-24 03:34:52.000000000 +0200
-@@ -0,0 +1,47 @@
-+#ifndef _VS_TAG_H
-+#define _VS_TAG_H
++#endif /* _UAPI_VS_SPACE_CMD_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/switch.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/switch.h
+--- linux-3.18.5/include/uapi/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/switch.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,90 @@
++#ifndef _UAPI_VS_SWITCH_H
++#define _UAPI_VS_SWITCH_H
+
-+#include <linux/vserver/tag.h>
++#include <linux/types.h>
+
-+/* check conditions */
+
-+#define DX_ADMIN 0x0001
-+#define DX_WATCH 0x0002
-+#define DX_HOSTID 0x0008
++#define VC_CATEGORY(c) (((c) >> 24) & 0x3F)
++#define VC_COMMAND(c) (((c) >> 16) & 0xFF)
++#define VC_VERSION(c) ((c) & 0xFFF)
+
-+#define DX_IDENT 0x0010
++#define VC_CMD(c, i, v) ((((VC_CAT_ ## c) & 0x3F) << 24) \
++ | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
+
-+#define DX_ARG_MASK 0x0010
++/*
+
++ Syscall Matrix V2.8
+
-+#define dx_task_tag(t) ((t)->tag)
++ |VERSION|CREATE |MODIFY |MIGRATE|CONTROL|EXPERIM| |SPECIAL|SPECIAL|
++ |STATS |DESTROY|ALTER |CHANGE |LIMIT |TEST | | | |
++ |INFO |SETUP | |MOVE | | | | | |
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ SYSTEM |VERSION|VSETUP |VHOST | | | | |DEVICE | |
++ HOST | 00| 01| 02| 03| 04| 05| | 06| 07|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ CPU | |VPROC |PROCALT|PROCMIG|PROCTRL| | |SCHED. | |
++ PROCESS| 08| 09| 10| 11| 12| 13| | 14| 15|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ MEMORY | | | | |MEMCTRL| | |SWAP | |
++ | 16| 17| 18| 19| 20| 21| | 22| 23|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ NETWORK| |VNET |NETALT |NETMIG |NETCTL | | |SERIAL | |
++ | 24| 25| 26| 27| 28| 29| | 30| 31|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ DISK | | | |TAGMIG |DLIMIT | | |INODE | |
++ VFS | 32| 33| 34| 35| 36| 37| | 38| 39|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ OTHER |VSTAT | | | | | | |VINFO | |
++ | 40| 41| 42| 43| 44| 45| | 46| 47|
++ =======+=======+=======+=======+=======+=======+=======+ +=======+=======+
++ SPECIAL|EVENT | | | |FLAGS | | |VSPACE | |
++ | 48| 49| 50| 51| 52| 53| | 54| 55|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ SPECIAL|DEBUG | | | |RLIMIT |SYSCALL| | |COMPAT |
++ | 56| 57| 58| 59| 60|TEST 61| | 62| 63|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
+
-+#define dx_current_tag() dx_task_tag(current)
++*/
+
-+#define dx_check(c, m) __dx_check(dx_current_tag(), c, m)
++#define VC_CAT_VERSION 0
+
-+#define dx_weak_check(c, m) ((m) ? dx_check(c, m) : 1)
++#define VC_CAT_VSETUP 1
++#define VC_CAT_VHOST 2
+
++#define VC_CAT_DEVICE 6
+
-+/*
-+ * check current context for ADMIN/WATCH and
-+ * optionally against supplied argument
-+ */
-+static inline int __dx_check(tag_t cid, tag_t id, unsigned int mode)
-+{
-+ if (mode & DX_ARG_MASK) {
-+ if ((mode & DX_IDENT) && (id == cid))
-+ return 1;
-+ }
-+ return (((mode & DX_ADMIN) && (cid == 0)) ||
-+ ((mode & DX_WATCH) && (cid == 1)) ||
-+ ((mode & DX_HOSTID) && (id == 0)));
-+}
++#define VC_CAT_VPROC 9
++#define VC_CAT_PROCALT 10
++#define VC_CAT_PROCMIG 11
++#define VC_CAT_PROCTRL 12
+
-+struct inode;
-+int dx_permission(struct inode *inode, int mask);
++#define VC_CAT_SCHED 14
++#define VC_CAT_MEMCTRL 20
+
++#define VC_CAT_VNET 25
++#define VC_CAT_NETALT 26
++#define VC_CAT_NETMIG 27
++#define VC_CAT_NETCTRL 28
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/linux/vs_time.h linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_time.h
---- linux-2.6.27.33/include/linux/vs_time.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/linux/vs_time.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,19 @@
-+#ifndef _VS_TIME_H
-+#define _VS_TIME_H
++#define VC_CAT_TAGMIG 35
++#define VC_CAT_DLIMIT 36
++#define VC_CAT_INODE 38
+
++#define VC_CAT_VSTAT 40
++#define VC_CAT_VINFO 46
++#define VC_CAT_EVENT 48
+
-+/* time faking stuff */
++#define VC_CAT_FLAGS 52
++#define VC_CAT_VSPACE 54
++#define VC_CAT_DEBUG 56
++#define VC_CAT_RLIMIT 60
+
-+#ifdef CONFIG_VSERVER_VTIME
++#define VC_CAT_SYSTEST 61
++#define VC_CAT_COMPAT 63
+
-+extern void vx_gettimeofday(struct timeval *tv);
-+extern int vx_settimeofday(struct timespec *ts);
++/* query version */
+
-+#else
-+#define vx_gettimeofday(t) do_gettimeofday(t)
-+#define vx_settimeofday(t) do_settimeofday(t)
-+#endif
++#define VCMD_get_version VC_CMD(VERSION, 0, 0)
++#define VCMD_get_vci VC_CMD(VERSION, 1, 0)
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.27.33/include/net/addrconf.h linux-2.6.27.33-vs2.3.0.36.6/include/net/addrconf.h
---- linux-2.6.27.33/include/net/addrconf.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/net/addrconf.h 2008-10-13 14:54:20.000000000 +0200
-@@ -84,7 +84,8 @@ extern int ipv6_dev_get_saddr(struct n
- struct net_device *dev,
- const struct in6_addr *daddr,
- unsigned int srcprefs,
-- struct in6_addr *saddr);
-+ struct in6_addr *saddr,
-+ struct nx_info *nxi);
- extern int ipv6_get_lladdr(struct net_device *dev,
- struct in6_addr *addr,
- unsigned char banned_flags);
-diff -NurpP --minimal linux-2.6.27.33/include/net/af_unix.h linux-2.6.27.33-vs2.3.0.36.6/include/net/af_unix.h
---- linux-2.6.27.33/include/net/af_unix.h 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/net/af_unix.h 2009-02-03 17:59:04.000000000 +0100
-@@ -4,6 +4,7 @@
- #include <linux/socket.h>
- #include <linux/un.h>
- #include <linux/mutex.h>
-+#include <linux/vs_base.h>
- #include <net/sock.h>
-
- extern void unix_inflight(struct file *fp);
-diff -NurpP --minimal linux-2.6.27.33/include/net/inet_sock.h linux-2.6.27.33-vs2.3.0.36.6/include/net/inet_sock.h
---- linux-2.6.27.33/include/net/inet_sock.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/net/inet_sock.h 2008-10-13 14:54:20.000000000 +0200
-@@ -24,7 +24,7 @@
- #include <net/flow.h>
- #include <net/sock.h>
- #include <net/request_sock.h>
--#include <net/route.h>
-+// #include <net/route.h>
- #include <net/netns/hash.h>
-
- /** struct ip_options - IP Options
-@@ -195,11 +195,6 @@ static inline int inet_sk_ehashfn(const
- }
-
-
--static inline int inet_iif(const struct sk_buff *skb)
--{
-- return skb->rtable->rt_iif;
--}
--
- static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops)
- {
- struct request_sock *req = reqsk_alloc(ops);
-diff -NurpP --minimal linux-2.6.27.33/include/net/inet_timewait_sock.h linux-2.6.27.33-vs2.3.0.36.6/include/net/inet_timewait_sock.h
---- linux-2.6.27.33/include/net/inet_timewait_sock.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/net/inet_timewait_sock.h 2008-10-13 14:54:20.000000000 +0200
-@@ -15,15 +15,14 @@
- #ifndef _INET_TIMEWAIT_SOCK_
- #define _INET_TIMEWAIT_SOCK_
-
-+// #include <net/inet_sock.h>
-+#include <net/sock.h>
-
- #include <linux/list.h>
- #include <linux/module.h>
- #include <linux/timer.h>
- #include <linux/types.h>
- #include <linux/workqueue.h>
--
--#include <net/inet_sock.h>
--#include <net/sock.h>
- #include <net/tcp_states.h>
- #include <net/timewait_sock.h>
-
-@@ -116,6 +115,10 @@ struct inet_timewait_sock {
- #define tw_hash __tw_common.skc_hash
- #define tw_prot __tw_common.skc_prot
- #define tw_net __tw_common.skc_net
-+#define tw_xid __tw_common.skc_xid
-+#define tw_vx_info __tw_common.skc_vx_info
-+#define tw_nid __tw_common.skc_nid
-+#define tw_nx_info __tw_common.skc_nx_info
- int tw_timeout;
- volatile unsigned char tw_substate;
- /* 3 bits hole, try to pack */
-diff -NurpP --minimal linux-2.6.27.33/include/net/route.h linux-2.6.27.33-vs2.3.0.36.6/include/net/route.h
---- linux-2.6.27.33/include/net/route.h 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/net/route.h 2008-10-13 14:54:20.000000000 +0200
-@@ -28,6 +28,7 @@
- #include <net/inetpeer.h>
- #include <net/flow.h>
- #include <net/sock.h>
-+// #include <linux/in.h>
- #include <linux/in_route.h>
- #include <linux/rtnetlink.h>
- #include <linux/route.h>
-@@ -85,6 +86,11 @@ struct ip_rt_acct
- __u32 i_packets;
- };
-
-+static inline int inet_iif(const struct sk_buff *skb)
-+{
-+ return skb->rtable->rt_iif;
-+}
++#endif /* _UAPI_VS_SWITCH_H */
+diff -NurpP --minimal linux-3.18.5/include/uapi/vserver/tag_cmd.h linux-3.18.5-vs2.3.7.3/include/uapi/vserver/tag_cmd.h
+--- linux-3.18.5/include/uapi/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/include/uapi/vserver/tag_cmd.h 2015-01-19 10:58:04.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _UAPI_VS_TAG_CMD_H
++#define _UAPI_VS_TAG_CMD_H
+
- struct rt_cache_stat
- {
- unsigned int in_hit;
-@@ -135,6 +141,9 @@ static inline void ip_rt_put(struct rtab
- dst_release(&rt->u.dst);
- }
-
-+#include <linux/vs_base.h>
-+#include <linux/vs_inet.h>
+
- #define IPTOS_RT_MASK (IPTOS_TOS_MASK & ~3)
-
- extern const __u8 ip_tos2prio[16];
-@@ -144,6 +153,9 @@ static inline char rt_tos2priority(u8 to
- return ip_tos2prio[IPTOS_TOS(tos)>>1];
- }
-
-+extern int ip_v4_find_src(struct net *net, struct nx_info *,
-+ struct rtable **, struct flowi *);
++/* vinfo commands */
+
- static inline int ip_route_connect(struct rtable **rp, __be32 dst,
- __be32 src, u32 tos, int oif, u8 protocol,
- __be16 sport, __be16 dport, struct sock *sk,
-@@ -161,7 +173,21 @@ static inline int ip_route_connect(struc
-
- int err;
- struct net *net = sock_net(sk);
-- if (!dst || !src) {
-+ struct nx_info *nx_info = current->nx_info;
++#define VCMD_task_tag VC_CMD(VINFO, 3, 0)
+
-+ if (sk)
-+ nx_info = sk->sk_nx_info;
+
-+ vxdprintk(VXD_CBIT(net, 4),
-+ "ip_route_connect(%p) %p,%p;%lx",
-+ sk, nx_info, sk->sk_socket,
-+ (sk->sk_socket?sk->sk_socket->flags:0));
++/* context commands */
+
-+ err = ip_v4_find_src(net, nx_info, rp, &fl);
-+ if (err)
-+ return err;
++#define VCMD_tag_migrate VC_CMD(TAGMIG, 1, 0)
+
-+ if (!fl.fl4_dst || !fl.fl4_src) {
- err = __ip_route_output_key(net, rp, &fl);
- if (err)
- return err;
-diff -NurpP --minimal linux-2.6.27.33/include/net/sock.h linux-2.6.27.33-vs2.3.0.36.6/include/net/sock.h
---- linux-2.6.27.33/include/net/sock.h 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/include/net/sock.h 2009-03-25 14:32:29.000000000 +0100
-@@ -128,6 +128,10 @@ struct sock_common {
- #ifdef CONFIG_NET_NS
- struct net *skc_net;
- #endif
-+ xid_t skc_xid;
-+ struct vx_info *skc_vx_info;
-+ nid_t skc_nid;
-+ struct nx_info *skc_nx_info;
- };
-
- /**
-@@ -211,6 +215,10 @@ struct sock {
- #define sk_hash __sk_common.skc_hash
- #define sk_prot __sk_common.skc_prot
- #define sk_net __sk_common.skc_net
-+#define sk_xid __sk_common.skc_xid
-+#define sk_vx_info __sk_common.skc_vx_info
-+#define sk_nid __sk_common.skc_nid
-+#define sk_nx_info __sk_common.skc_nx_info
- unsigned char sk_shutdown : 2,
- sk_no_check : 2,
- sk_userlocks : 4;
-diff -NurpP --minimal linux-2.6.27.33/init/main.c linux-2.6.27.33-vs2.3.0.36.6/init/main.c
---- linux-2.6.27.33/init/main.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/init/main.c 2008-10-13 14:54:20.000000000 +0200
-@@ -60,6 +60,7 @@
- #include <linux/sched.h>
- #include <linux/signal.h>
- #include <linux/idr.h>
++#endif /* _UAPI_VS_TAG_CMD_H */
+diff -NurpP --minimal linux-3.18.5/init/Kconfig linux-3.18.5-vs2.3.7.3/init/Kconfig
+--- linux-3.18.5/init/Kconfig 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/init/Kconfig 2015-01-19 13:07:13.000000000 +0000
+@@ -923,6 +923,7 @@ config NUMA_BALANCING
+ menuconfig CGROUPS
+ boolean "Control Group support"
+ select KERNFS
++ default y
+ help
+ This option adds support for grouping sets of processes together, for
+ use with process control subsystems such as Cpusets, CFS, memory
+diff -NurpP --minimal linux-3.18.5/init/main.c linux-3.18.5-vs2.3.7.3/init/main.c
+--- linux-3.18.5/init/main.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/init/main.c 2015-01-19 11:05:25.000000000 +0000
+@@ -78,6 +78,7 @@
+ #include <linux/context_tracking.h>
+ #include <linux/random.h>
+ #include <linux/list.h>
+#include <linux/vserver/percpu.h>
#include <asm/io.h>
#include <asm/bugs.h>
-@@ -391,12 +392,14 @@ EXPORT_SYMBOL(__per_cpu_offset);
-
- static void __init setup_per_cpu_areas(void)
- {
-- unsigned long size, i;
-+ unsigned long size, vspc, i;
- char *ptr;
- unsigned long nr_possible_cpus = num_possible_cpus();
-
-+ vspc = PERCPU_PERCTX * CONFIG_VSERVER_CONTEXTS;
-+
- /* Copy section for each CPU (we discard the original) */
-- size = ALIGN(PERCPU_ENOUGH_ROOM, PAGE_SIZE);
-+ size = ALIGN(PERCPU_ENOUGH_ROOM + vspc, PAGE_SIZE);
- ptr = alloc_bootmem_pages(size * nr_possible_cpus);
-
- for_each_possible_cpu(i) {
-diff -NurpP --minimal linux-2.6.27.33/ipc/mqueue.c linux-2.6.27.33-vs2.3.0.36.6/ipc/mqueue.c
---- linux-2.6.27.33/ipc/mqueue.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/ipc/mqueue.c 2009-02-22 22:58:33.000000000 +0100
-@@ -31,6 +31,8 @@
- #include <linux/mutex.h>
- #include <linux/nsproxy.h>
- #include <linux/pid.h>
+diff -NurpP --minimal linux-3.18.5/ipc/mqueue.c linux-3.18.5-vs2.3.7.3/ipc/mqueue.c
+--- linux-3.18.5/ipc/mqueue.c 2014-06-12 13:02:52.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/ipc/mqueue.c 2015-01-19 10:58:05.000000000 +0000
+@@ -35,6 +35,8 @@
+ #include <linux/ipc_namespace.h>
+ #include <linux/user_namespace.h>
+ #include <linux/slab.h>
+#include <linux/vs_context.h>
+#include <linux/vs_limit.h>
#include <net/sock.h>
#include "util.h"
-@@ -71,6 +73,7 @@ struct mqueue_inode_info {
- struct sigevent notify;
- struct pid* notify_owner;
+@@ -76,6 +78,7 @@ struct mqueue_inode_info {
+ struct pid *notify_owner;
+ struct user_namespace *notify_user_ns;
struct user_struct *user; /* user who created, for accounting */
+ struct vx_info *vxi;
struct sock *notify_sock;
struct sk_buff *notify_cookie;
-@@ -119,6 +122,7 @@ static struct inode *mqueue_get_inode(st
- struct mqueue_inode_info *info;
- struct task_struct *p = current;
- struct user_struct *u = p->user;
-+ struct vx_info *vxi = p->vx_info;
- unsigned long mq_bytes, mq_msg_tblsz;
-
- inode->i_fop = &mqueue_file_operations;
-@@ -133,6 +137,7 @@ static struct inode *mqueue_get_inode(st
- info->notify_owner = NULL;
- info->qsize = 0;
- info->user = NULL; /* set when all is ok */
-+ info->vxi = NULL;
- memset(&info->attr, 0, sizeof(info->attr));
- info->attr.mq_maxmsg = DFLT_MSGMAX;
- info->attr.mq_msgsize = DFLT_MSGSIZEMAX;
-@@ -147,22 +152,26 @@ static struct inode *mqueue_get_inode(st
- spin_lock(&mq_lock);
- if (u->mq_bytes + mq_bytes < u->mq_bytes ||
- u->mq_bytes + mq_bytes >
-- p->signal->rlim[RLIMIT_MSGQUEUE].rlim_cur) {
-+ p->signal->rlim[RLIMIT_MSGQUEUE].rlim_cur ||
-+ !vx_ipcmsg_avail(vxi, mq_bytes)) {
- spin_unlock(&mq_lock);
- goto out_inode;
- }
- u->mq_bytes += mq_bytes;
-+ vx_ipcmsg_add(vxi, u, mq_bytes);
+@@ -234,6 +237,7 @@ static struct inode *mqueue_get_inode(st
+ if (S_ISREG(mode)) {
+ struct mqueue_inode_info *info;
+ unsigned long mq_bytes, mq_treesize;
++ struct vx_info *vxi = current_vx_info();
+
+ inode->i_fop = &mqueue_file_operations;
+ inode->i_size = FILENT_SIZE;
+@@ -247,6 +251,7 @@ static struct inode *mqueue_get_inode(st
+ info->notify_user_ns = NULL;
+ info->qsize = 0;
+ info->user = NULL; /* set when all is ok */
++ info->vxi = NULL;
+ info->msg_tree = RB_ROOT;
+ info->node_cache = NULL;
+ memset(&info->attr, 0, sizeof(info->attr));
+@@ -280,17 +285,20 @@ static struct inode *mqueue_get_inode(st
+
+ spin_lock(&mq_lock);
+ if (u->mq_bytes + mq_bytes < u->mq_bytes ||
+- u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) {
++ u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE) ||
++ !vx_ipcmsg_avail(vxi, mq_bytes)) {
spin_unlock(&mq_lock);
+ /* mqueue_evict_inode() releases info->messages */
+ ret = -EMFILE;
+ goto out_inode;
+ }
+ u->mq_bytes += mq_bytes;
++ vx_ipcmsg_add(vxi, u, mq_bytes);
+ spin_unlock(&mq_lock);
+
+ /* all is ok */
+ info->user = get_uid(u);
++ info->vxi = get_vx_info(vxi);
+ } else if (S_ISDIR(mode)) {
+ inc_nlink(inode);
+ /* Some things misbehave if size == 0 on a directory */
+@@ -402,8 +410,11 @@ static void mqueue_evict_inode(struct in
- info->messages = kmalloc(mq_msg_tblsz, GFP_KERNEL);
- if (!info->messages) {
- spin_lock(&mq_lock);
- u->mq_bytes -= mq_bytes;
-+ vx_ipcmsg_sub(vxi, u, mq_bytes);
- spin_unlock(&mq_lock);
- goto out_inode;
- }
- /* all is ok */
- info->user = get_uid(u);
-+ info->vxi = get_vx_info(vxi);
- } else if (S_ISDIR(mode)) {
- inc_nlink(inode);
- /* Some things misbehave if size == 0 on a directory */
-@@ -253,10 +262,14 @@ static void mqueue_delete_inode(struct i
- (info->attr.mq_maxmsg * info->attr.mq_msgsize));
user = info->user;
if (user) {
+ struct vx_info *vxi = info->vxi;
spin_lock(&mq_lock);
user->mq_bytes -= mq_bytes;
+ vx_ipcmsg_sub(vxi, user, mq_bytes);
- queues_count--;
+ /*
+ * get_ns_from_inode() ensures that the
+ * (ipc_ns = sb->s_fs_info) is either a valid ipc_ns
+@@ -413,6 +424,7 @@ static void mqueue_evict_inode(struct in
+ if (ipc_ns)
+ ipc_ns->mq_queues_count--;
spin_unlock(&mq_lock);
+ put_vx_info(vxi);
free_uid(user);
}
- }
-diff -NurpP --minimal linux-2.6.27.33/ipc/msg.c linux-2.6.27.33-vs2.3.0.36.6/ipc/msg.c
---- linux-2.6.27.33/ipc/msg.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/ipc/msg.c 2009-02-03 17:59:04.000000000 +0100
-@@ -38,6 +38,7 @@
+ if (ipc_ns)
+diff -NurpP --minimal linux-3.18.5/ipc/msg.c linux-3.18.5-vs2.3.7.3/ipc/msg.c
+--- linux-3.18.5/ipc/msg.c 2014-09-03 13:19:44.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/ipc/msg.c 2015-01-19 10:58:05.000000000 +0000
+@@ -37,6 +37,7 @@
#include <linux/rwsem.h>
#include <linux/nsproxy.h>
#include <linux/ipc_namespace.h>
+#include <linux/vs_base.h>
#include <asm/current.h>
- #include <asm/uaccess.h>
-@@ -190,6 +191,7 @@ static int newque(struct ipc_namespace *
+ #include <linux/uaccess.h>
+@@ -129,6 +130,7 @@ static int newque(struct ipc_namespace *
msq->q_perm.mode = msgflg & S_IRWXUGO;
msq->q_perm.key = key;
msq->q_perm.security = NULL;
retval = security_msg_queue_alloc(msq);
-diff -NurpP --minimal linux-2.6.27.33/ipc/namespace.c linux-2.6.27.33-vs2.3.0.36.6/ipc/namespace.c
---- linux-2.6.27.33/ipc/namespace.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/ipc/namespace.c 2008-10-13 14:54:20.000000000 +0200
-@@ -9,6 +9,8 @@
- #include <linux/rcupdate.h>
- #include <linux/nsproxy.h>
- #include <linux/slab.h>
-+#include <linux/vs_base.h>
-+#include <linux/vserver/global.h>
-
- #include "util.h"
-
-@@ -35,6 +37,7 @@ static struct ipc_namespace *clone_ipc_n
- register_ipcns_notifier(ns);
-
- kref_init(&ns->kref);
-+ atomic_inc(&vs_global_ipc_ns);
- return ns;
- }
-
-@@ -101,6 +104,7 @@ void free_ipc_ns(struct kref *kref)
- sem_exit_ns(ns);
- msg_exit_ns(ns);
- shm_exit_ns(ns);
-+ atomic_dec(&vs_global_ipc_ns);
- kfree(ns);
- atomic_dec(&nr_ipc_ns);
-
-diff -NurpP --minimal linux-2.6.27.33/ipc/sem.c linux-2.6.27.33-vs2.3.0.36.6/ipc/sem.c
---- linux-2.6.27.33/ipc/sem.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/ipc/sem.c 2009-03-31 19:53:55.000000000 +0200
-@@ -83,6 +83,8 @@
+diff -NurpP --minimal linux-3.18.5/ipc/sem.c linux-3.18.5-vs2.3.7.3/ipc/sem.c
+--- linux-3.18.5/ipc/sem.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/ipc/sem.c 2015-01-19 10:58:05.000000000 +0000
+@@ -85,6 +85,8 @@
#include <linux/rwsem.h>
#include <linux/nsproxy.h>
#include <linux/ipc_namespace.h>
+#include <linux/vs_base.h>
+#include <linux/vs_limit.h>
- #include <asm/uaccess.h>
+ #include <linux/uaccess.h>
#include "util.h"
-@@ -255,6 +257,7 @@ static int newary(struct ipc_namespace *
+@@ -499,6 +501,7 @@ static int newary(struct ipc_namespace *
sma->sem_perm.mode = (semflg & S_IRWXUGO);
sma->sem_perm.key = key;
sma->sem_perm.security = NULL;
retval = security_sem_alloc(sma);
-@@ -270,6 +273,9 @@ static int newary(struct ipc_namespace *
+@@ -528,6 +531,9 @@ static int newary(struct ipc_namespace *
return id;
}
ns->used_sems += nsems;
+ vx_semary_inc(sma);
+ vx_nsems_add(sma, nsems);
- sma->sem_base = (struct sem *) &sma[1];
- INIT_LIST_HEAD(&sma->sem_pending);
-@@ -546,6 +552,9 @@ static void freeary(struct ipc_namespace
- sem_unlock(sma);
+ sem_unlock(sma, -1);
+ rcu_read_unlock();
+@@ -1116,6 +1122,9 @@ static void freeary(struct ipc_namespace
+ wake_up_sem_queue_do(&tasks);
ns->used_sems -= sma->sem_nsems;
+ /* FIXME: obsoleted? */
+ vx_nsems_sub(sma, sma->sem_nsems);
+ vx_semary_dec(sma);
- security_sem_free(sma);
- ipc_rcu_putref(sma);
+ ipc_rcu_putref(sma, sem_rcu_free);
}
-diff -NurpP --minimal linux-2.6.27.33/ipc/shm.c linux-2.6.27.33-vs2.3.0.36.6/ipc/shm.c
---- linux-2.6.27.33/ipc/shm.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/ipc/shm.c 2009-02-22 22:58:33.000000000 +0100
-@@ -39,6 +39,8 @@
+
+diff -NurpP --minimal linux-3.18.5/ipc/shm.c linux-3.18.5-vs2.3.7.3/ipc/shm.c
+--- linux-3.18.5/ipc/shm.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/ipc/shm.c 2015-01-19 10:58:05.000000000 +0000
+@@ -42,6 +42,8 @@
#include <linux/nsproxy.h>
#include <linux/mount.h>
#include <linux/ipc_namespace.h>
+#include <linux/vs_context.h>
+#include <linux/vs_limit.h>
- #include <asm/uaccess.h>
+ #include <linux/uaccess.h>
-@@ -168,7 +170,12 @@ static void shm_open(struct vm_area_stru
- */
+@@ -210,10 +212,14 @@ static void shm_open(struct vm_area_stru
static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp)
{
-- ns->shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ struct file *shm_file;
+ struct vx_info *vxi = lookup_vx_info(shp->shm_perm.xid);
+ int numpages = (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
-+
+
+ shm_file = shp->shm_file;
+ shp->shm_file = NULL;
+- ns->shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ vx_ipcshm_sub(vxi, shp, numpages);
+ ns->shm_tot -= numpages;
+
shm_rmid(ns, shp);
shm_unlock(shp);
- if (!is_file_hugepages(shp->shm_file))
-@@ -178,6 +185,7 @@ static void shm_destroy(struct ipc_names
- shp->mlock_user);
- fput (shp->shm_file);
- security_shm_free(shp);
+ if (!is_file_hugepages(shm_file))
+@@ -221,6 +227,7 @@ static void shm_destroy(struct ipc_names
+ else if (shp->mlock_user)
+ user_shm_unlock(file_inode(shm_file)->i_size, shp->mlock_user);
+ fput(shm_file);
+ put_vx_info(vxi);
- ipc_rcu_putref(shp);
+ ipc_rcu_putref(shp, shm_rcu_free);
}
-@@ -347,11 +355,15 @@ static int newseg(struct ipc_namespace *
- if (ns->shm_tot + numpages > ns->shm_ctlall)
+@@ -502,11 +509,15 @@ static int newseg(struct ipc_namespace *
+ ns->shm_tot + numpages > ns->shm_ctlall)
return -ENOSPC;
-+ if (!vx_ipcshm_avail(current->vx_info, numpages))
++ if (!vx_ipcshm_avail(current_vx_info(), numpages))
+ return -ENOSPC;
+
shp = ipc_rcu_alloc(sizeof(*shp));
shp->shm_perm.mode = (shmflg & S_IRWXUGO);
shp->mlock_user = NULL;
-@@ -404,6 +416,7 @@ static int newseg(struct ipc_namespace *
- ns->shm_tot += numpages;
- error = shp->shm_perm.id;
- shm_unlock(shp);
-+ vx_ipcshm_add(current->vx_info, key, numpages);
+@@ -576,6 +587,7 @@ static int newseg(struct ipc_namespace *
+
+ ipc_unlock_object(&shp->shm_perm);
+ rcu_read_unlock();
++ vx_ipcshm_add(current_vx_info(), key, numpages);
return error;
no_id:
-diff -NurpP --minimal linux-2.6.27.33/kernel/capability.c linux-2.6.27.33-vs2.3.0.36.6/kernel/capability.c
---- linux-2.6.27.33/kernel/capability.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/capability.c 2009-02-03 17:59:04.000000000 +0100
-@@ -13,6 +13,7 @@
- #include <linux/security.h>
+diff -NurpP --minimal linux-3.18.5/kernel/Makefile linux-3.18.5-vs2.3.7.3/kernel/Makefile
+--- linux-3.18.5/kernel/Makefile 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/Makefile 2015-01-19 10:58:05.000000000 +0000
+@@ -26,6 +26,7 @@ obj-y += power/
+ obj-y += printk/
+ obj-y += irq/
+ obj-y += rcu/
++obj-y += vserver/
+
+ obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
+ obj-$(CONFIG_FREEZER) += freezer.o
+diff -NurpP --minimal linux-3.18.5/kernel/auditsc.c linux-3.18.5-vs2.3.7.3/kernel/auditsc.c
+--- linux-3.18.5/kernel/auditsc.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/auditsc.c 2015-01-19 10:58:05.000000000 +0000
+@@ -2025,7 +2025,7 @@ static int audit_set_loginuid_perm(kuid_
+ if (is_audit_feature_set(AUDIT_FEATURE_LOGINUID_IMMUTABLE))
+ return -EPERM;
+ /* it is set, you need permission */
+- if (!capable(CAP_AUDIT_CONTROL))
++ if (!vx_capable(CAP_AUDIT_CONTROL, VXC_AUDIT_CONTROL))
+ return -EPERM;
+ /* reject if this is not an unset and we don't allow that */
+ if (is_audit_feature_set(AUDIT_FEATURE_ONLY_UNSET_LOGINUID) && uid_valid(loginuid))
+diff -NurpP --minimal linux-3.18.5/kernel/capability.c linux-3.18.5-vs2.3.7.3/kernel/capability.c
+--- linux-3.18.5/kernel/capability.c 2015-01-16 22:19:27.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/capability.c 2015-01-19 10:58:05.000000000 +0000
+@@ -17,6 +17,7 @@
#include <linux/syscalls.h>
#include <linux/pid_namespace.h>
+ #include <linux/user_namespace.h>
+#include <linux/vs_context.h>
#include <asm/uaccess.h>
/*
-@@ -166,6 +167,8 @@ static inline int cap_set_pg(int pgrp_nr
+@@ -106,6 +107,7 @@ static int cap_validate_magic(cap_user_h
+ return 0;
+ }
- pgrp = find_vpid(pgrp_nr);
- do_each_pid_task(pgrp, PIDTYPE_PGID, g) {
-+ if (!vx_check(g->xid, VS_ADMIN_P | VS_IDENT))
-+ continue;
- target = g;
- while_each_thread(g, target) {
- if (!security_capset_check(target, effective,
-@@ -486,6 +489,8 @@ SYSCALL_DEFINE2(capset, cap_user_header_
- return ret;
++
+ /*
+ * The only thing that can change the capabilities of the current
+ * process is the current process. As such, we can't be in this code
+@@ -343,6 +345,8 @@ bool has_ns_capability_noaudit(struct ta
+ return (ret == 0);
}
+#include <linux/vserver/base.h>
+
/**
- * capable - Determine if the current task has a superior capability in effect
- * @cap: The capability to be tested for
-@@ -498,6 +503,9 @@ SYSCALL_DEFINE2(capset, cap_user_header_
- */
- int capable(int cap)
- {
-+ /* here for now so we don't require task locking */
-+ if (vs_check_bit(VXC_CAP_MASK, cap) && !vx_mcaps(1L << cap))
-+ return 0;
- if (has_capability(current, cap)) {
- current->flags |= PF_SUPERPRIV;
- return 1;
-diff -NurpP --minimal linux-2.6.27.33/kernel/compat.c linux-2.6.27.33-vs2.3.0.36.6/kernel/compat.c
---- linux-2.6.27.33/kernel/compat.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/compat.c 2008-10-13 14:54:20.000000000 +0200
-@@ -845,7 +845,7 @@ asmlinkage long compat_sys_time(compat_t
- compat_time_t i;
- struct timeval tv;
-
-- do_gettimeofday(&tv);
-+ vx_gettimeofday(&tv);
- i = tv.tv_sec;
-
- if (tloc) {
-@@ -869,7 +869,7 @@ asmlinkage long compat_sys_stime(compat_
+ * has_capability_noaudit - Does a task have a capability (unaudited) in the
+ * initial user ns
+diff -NurpP --minimal linux-3.18.5/kernel/compat.c linux-3.18.5-vs2.3.7.3/kernel/compat.c
+--- linux-3.18.5/kernel/compat.c 2015-01-16 22:19:27.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/compat.c 2015-01-19 10:58:05.000000000 +0000
+@@ -27,6 +27,7 @@
+ #include <linux/times.h>
+ #include <linux/ptrace.h>
+ #include <linux/gfp.h>
++#include <linux/vs_time.h>
+
+ #include <asm/uaccess.h>
+
+@@ -1058,7 +1059,7 @@ COMPAT_SYSCALL_DEFINE1(stime, compat_tim
if (err)
return err;
return 0;
}
-diff -NurpP --minimal linux-2.6.27.33/kernel/exit.c linux-2.6.27.33-vs2.3.0.36.6/kernel/exit.c
---- linux-2.6.27.33/kernel/exit.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/exit.c 2009-05-15 22:57:04.000000000 +0200
-@@ -47,6 +47,11 @@
- #include <linux/blkdev.h>
- #include <linux/task_io_accounting_ops.h>
- #include <linux/tracehook.h>
+diff -NurpP --minimal linux-3.18.5/kernel/cred.c linux-3.18.5-vs2.3.7.3/kernel/cred.c
+--- linux-3.18.5/kernel/cred.c 2013-02-19 13:58:56.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/cred.c 2015-01-19 10:58:05.000000000 +0000
+@@ -56,31 +56,6 @@ struct cred init_cred = {
+ .group_info = &init_groups,
+ };
+
+-static inline void set_cred_subscribers(struct cred *cred, int n)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- atomic_set(&cred->subscribers, n);
+-#endif
+-}
+-
+-static inline int read_cred_subscribers(const struct cred *cred)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- return atomic_read(&cred->subscribers);
+-#else
+- return 0;
+-#endif
+-}
+-
+-static inline void alter_cred_subscribers(const struct cred *_cred, int n)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- struct cred *cred = (struct cred *) _cred;
+-
+- atomic_add(n, &cred->subscribers);
+-#endif
+-}
+-
+ /*
+ * The RCU callback to actually dispose of a set of credentials
+ */
+@@ -232,21 +207,16 @@ error:
+ *
+ * Call commit_creds() or abort_creds() to clean up.
+ */
+-struct cred *prepare_creds(void)
++struct cred *__prepare_creds(const struct cred *old)
+ {
+- struct task_struct *task = current;
+- const struct cred *old;
+ struct cred *new;
+
+- validate_process_creds();
+-
+ new = kmem_cache_alloc(cred_jar, GFP_KERNEL);
+ if (!new)
+ return NULL;
+
+ kdebug("prepare_creds() alloc %p", new);
+
+- old = task->cred;
+ memcpy(new, old, sizeof(struct cred));
+
+ atomic_set(&new->usage, 1);
+@@ -275,6 +245,13 @@ error:
+ abort_creds(new);
+ return NULL;
+ }
++
++struct cred *prepare_creds(void)
++{
++ validate_process_creds();
++
++ return __prepare_creds(current->cred);
++}
+ EXPORT_SYMBOL(prepare_creds);
+
+ /*
+diff -NurpP --minimal linux-3.18.5/kernel/exit.c linux-3.18.5-vs2.3.7.3/kernel/exit.c
+--- linux-3.18.5/kernel/exit.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/exit.c 2015-01-19 11:06:12.000000000 +0000
+@@ -48,6 +48,10 @@
+ #include <linux/fs_struct.h>
+ #include <linux/init_task.h>
+ #include <linux/perf_event.h>
+#include <linux/vs_limit.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
+#include <linux/vs_pid.h>
-+#include <linux/vserver/global.h>
+ #include <trace/events/sched.h>
+ #include <linux/hw_breakpoint.h>
+ #include <linux/oom.h>
+@@ -474,15 +478,25 @@ static struct task_struct *find_new_reap
+ __acquires(&tasklist_lock)
+ {
+ struct pid_namespace *pid_ns = task_active_pid_ns(father);
+- struct task_struct *thread;
++ struct vx_info *vxi = task_get_vx_info(father);
++ struct task_struct *thread = father;
++ struct task_struct *reaper;
+
+- thread = father;
+ while_each_thread(father, thread) {
+ if (thread->flags & PF_EXITING)
+ continue;
+ if (unlikely(pid_ns->child_reaper == father))
+ pid_ns->child_reaper = thread;
+- return thread;
++ reaper = thread;
++ goto out_put;
++ }
++
++ reaper = pid_ns->child_reaper;
++ if (vxi) {
++ BUG_ON(!vxi->vx_reaper);
++ if (vxi->vx_reaper != init_pid_ns.child_reaper &&
++ vxi->vx_reaper != father)
++ reaper = vxi->vx_reaper;
+ }
- #include <asm/uaccess.h>
- #include <asm/unistd.h>
-@@ -485,9 +490,11 @@ static void close_files(struct files_str
- filp_close(file, files);
- cond_resched();
- }
-+ vx_openfd_dec(i);
- }
- i++;
- set >>= 1;
-+ cond_resched();
+ if (unlikely(pid_ns->child_reaper == father)) {
+@@ -520,7 +534,9 @@ static struct task_struct *find_new_reap
}
}
+
+- return pid_ns->child_reaper;
++out_put:
++ put_vx_info(vxi);
++ return reaper;
}
-@@ -554,6 +561,7 @@ void put_fs_struct(struct fs_struct *fs)
- if (atomic_dec_and_test(&fs->count)) {
- path_put(&fs->root);
- path_put(&fs->pwd);
-+ atomic_dec(&vs_global_fs);
- kmem_cache_free(fs_cachep, fs);
- }
- }
-@@ -1121,11 +1129,16 @@ NORET_TYPE void do_exit(long code)
- if (tsk->splice_pipe)
- __free_pipe_info(tsk->splice_pipe);
+
+ /*
+@@ -572,10 +588,15 @@ static void forget_original_parent(struc
+ struct task_struct *t = p;
+
+ do {
+- t->real_parent = reaper;
++ struct task_struct *new_parent = reaper;
++
++ if (unlikely(p == reaper))
++ new_parent = task_active_pid_ns(p)->child_reaper;
++
++ t->real_parent = new_parent;
+ if (t->parent == father) {
+ BUG_ON(t->ptrace);
+- t->parent = t->real_parent;
++ t->parent = new_parent;
+ }
+ if (t->pdeath_signal)
+ group_send_sig_info(t->pdeath_signal,
+@@ -777,6 +798,9 @@ void do_exit(long code)
+ */
+ flush_ptrace_hw_breakpoint(tsk);
+
++ /* needs to stay before exit_notify() */
++ exit_vx_info_early(tsk, code);
++
+ TASKS_RCU(tasks_rcu_i = __srcu_read_lock(&tasks_rcu_exit_srcu));
+ exit_notify(tsk, group_dead);
+ proc_exit_connector(tsk);
+@@ -834,10 +858,15 @@ void do_exit(long code)
+ smp_mb();
+ raw_spin_unlock_wait(&tsk->pi_lock);
+ /* needs to stay after exit_notify() */
+ exit_vx_info(tsk, code);
+ exit_nx_info(tsk);
+
- preempt_disable();
/* causes final put_task_struct in finish_task_switch(). */
tsk->state = TASK_DEAD;
-
+ tsk->flags |= PF_NOFREEZE; /* tell freezer to ignore us */
schedule();
+ printk("bad task: %p [%lx]\n", current, current->state);
BUG();
/* Avoid "noreturn function does return". */
for (;;)
-diff -NurpP --minimal linux-2.6.27.33/kernel/fork.c linux-2.6.27.33-vs2.3.0.36.6/kernel/fork.c
---- linux-2.6.27.33/kernel/fork.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/fork.c 2009-09-13 16:19:24.000000000 +0200
-@@ -58,6 +58,11 @@
- #include <linux/tty.h>
- #include <linux/proc_fs.h>
- #include <linux/blkdev.h>
+diff -NurpP --minimal linux-3.18.5/kernel/fork.c linux-3.18.5-vs2.3.7.3/kernel/fork.c
+--- linux-3.18.5/kernel/fork.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/fork.c 2015-01-21 09:21:45.000000000 +0000
+@@ -74,6 +74,9 @@
+ #include <linux/uprobes.h>
+ #include <linux/aio.h>
+ #include <linux/compiler.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
+#include <linux/vs_limit.h>
-+#include <linux/vs_memory.h>
-+#include <linux/vserver/global.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
-@@ -135,6 +140,8 @@ void free_task(struct task_struct *tsk)
- prop_local_destroy_single(&tsk->dirties);
+@@ -214,6 +217,8 @@ void free_task(struct task_struct *tsk)
+ arch_release_thread_info(tsk->stack);
free_thread_info(tsk->stack);
rt_mutex_debug_task_free(tsk);
+ clr_vx_info(&tsk->vx_info);
+ clr_nx_info(&tsk->nx_info);
- free_task_struct(tsk);
- }
- EXPORT_SYMBOL(free_task);
-@@ -274,6 +281,8 @@ static int dup_mmap(struct mm_struct *mm
- mm->free_area_cache = oldmm->mmap_base;
- mm->cached_hole_size = ~0UL;
- mm->map_count = 0;
-+ __set_mm_counter(mm, file_rss, 0);
-+ __set_mm_counter(mm, anon_rss, 0);
- cpus_clear(mm->cpu_vm_mask);
- mm->mm_rb = RB_ROOT;
- rb_link = &mm->mm_rb.rb_node;
-@@ -285,7 +294,7 @@ static int dup_mmap(struct mm_struct *mm
-
- if (mpnt->vm_flags & VM_DONTCOPY) {
- long pages = vma_pages(mpnt);
-- mm->total_vm -= pages;
-+ vx_vmpages_sub(mm, pages);
- vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file,
- -pages);
- continue;
-@@ -407,8 +416,8 @@ static struct mm_struct * mm_init(struct
- : MMF_DUMP_FILTER_DEFAULT;
- mm->core_state = NULL;
- mm->nr_ptes = 0;
-- set_mm_counter(mm, file_rss, 0);
-- set_mm_counter(mm, anon_rss, 0);
-+ __set_mm_counter(mm, file_rss, 0);
-+ __set_mm_counter(mm, anon_rss, 0);
- spin_lock_init(&mm->page_table_lock);
- rwlock_init(&mm->ioctx_list_lock);
- mm->ioctx_list = NULL;
-@@ -419,6 +428,7 @@ static struct mm_struct * mm_init(struct
- if (likely(!mm_alloc_pgd(mm))) {
- mm->def_flags = 0;
- mmu_notifier_mm_init(mm);
-+ set_vx_info(&mm->mm_vx_info, p->vx_info);
- return mm;
- }
-
-@@ -452,6 +462,7 @@ void __mmdrop(struct mm_struct *mm)
- mm_free_pgd(mm);
- destroy_context(mm);
- mmu_notifier_mm_destroy(mm);
-+ clr_vx_info(&mm->mm_vx_info);
- free_mm(mm);
- }
- EXPORT_SYMBOL_GPL(__mmdrop);
-@@ -568,6 +579,7 @@ struct mm_struct *dup_mm(struct task_str
- goto fail_nomem;
-
- memcpy(mm, oldmm, sizeof(*mm));
-+ mm->mm_vx_info = NULL;
-
- /* Initializing for Swap token stuff */
- mm->token_priority = 0;
-@@ -601,6 +613,7 @@ fail_nocontext:
- * If init_new_context() failed, we cannot use mmput() to free the mm
- * because it calls destroy_context()
- */
-+ clr_vx_info(&mm->mm_vx_info);
- mm_free_pgd(mm);
- free_mm(mm);
- return NULL;
-@@ -664,6 +677,7 @@ static struct fs_struct *__copy_fs_struc
- fs->pwd = old->pwd;
- path_get(&old->pwd);
- read_unlock(&old->lock);
-+ atomic_inc(&vs_global_fs);
- }
- return fs;
- }
-@@ -895,6 +909,8 @@ static struct task_struct *copy_process(
+ ftrace_graph_exit_task(tsk);
+ put_seccomp_filter(tsk);
+ arch_release_task_struct(tsk);
+@@ -1188,6 +1193,8 @@ static struct task_struct *copy_process(
+ {
int retval;
struct task_struct *p;
- int cgroup_callbacks_done = 0;
+ struct vx_info *vxi;
+ struct nx_info *nxi;
if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
return ERR_PTR(-EINVAL);
-@@ -929,12 +945,28 @@ static struct task_struct *copy_process(
+@@ -1249,7 +1256,12 @@ static struct task_struct *copy_process(
DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
#endif
-+ init_vx_info(&p->vx_info, current->vx_info);
-+ init_nx_info(&p->nx_info, current->nx_info);
++ init_vx_info(&p->vx_info, current_vx_info());
++ init_nx_info(&p->nx_info, current_nx_info());
+
-+ /* check vserver memory */
-+ if (p->mm && !(clone_flags & CLONE_VM)) {
-+ if (vx_vmpages_avail(p->mm, p->mm->total_vm))
-+ vx_pages_add(p->vx_info, RLIMIT_AS, p->mm->total_vm);
-+ else
-+ goto bad_fork_free;
-+ }
-+ if (p->mm && vx_flags(VXF_FORK_RSS, 0)) {
-+ if (!vx_rss_avail(p->mm, get_mm_counter(p->mm, file_rss)))
-+ goto bad_fork_cleanup_vm;
-+ }
retval = -EAGAIN;
+ if (!vx_nproc_avail(1))
-+ goto bad_fork_cleanup_vm;
- if (atomic_read(&p->user->processes) >=
- p->signal->rlim[RLIMIT_NPROC].rlim_cur) {
- if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
- p->user != current->nsproxy->user_ns->root_user)
-- goto bad_fork_free;
-+ goto bad_fork_cleanup_vm;
- }
-
- atomic_inc(&p->user->__count);
-@@ -1233,6 +1265,18 @@ static struct task_struct *copy_process(
-
++ goto bad_fork_free;
+ if (atomic_read(&p->real_cred->user->processes) >=
+ task_rlimit(p, RLIMIT_NPROC)) {
+ if (p->real_cred->user != INIT_USER &&
+@@ -1535,6 +1547,18 @@ static struct task_struct *copy_process(
total_forks++;
spin_unlock(¤t->sighand->siglock);
+ syscall_tracepoint_update(p);
+
+ /* p is copy of current */
+ vxi = p->vx_info;
+ if (nxi)
+ claim_nx_info(nxi, p);
write_unlock_irq(&tasklist_lock);
+
proc_fork_connector(p);
- cgroup_post_fork(p);
-@@ -1280,6 +1324,9 @@ bad_fork_cleanup_count:
- put_group_info(p->group_info);
- atomic_dec(&p->user->processes);
- free_uid(p->user);
-+bad_fork_cleanup_vm:
-+ if (p->mm && !(clone_flags & CLONE_VM))
-+ vx_pages_sub(p->vx_info, RLIMIT_AS, p->mm->total_vm);
- bad_fork_free:
- free_task(p);
- fork_out:
-diff -NurpP --minimal linux-2.6.27.33/kernel/kthread.c linux-2.6.27.33-vs2.3.0.36.6/kernel/kthread.c
---- linux-2.6.27.33/kernel/kthread.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/kthread.c 2009-09-13 16:19:24.000000000 +0200
-@@ -13,6 +13,7 @@
- #include <linux/file.h>
- #include <linux/module.h>
- #include <linux/mutex.h>
+diff -NurpP --minimal linux-3.18.5/kernel/kthread.c linux-3.18.5-vs2.3.7.3/kernel/kthread.c
+--- linux-3.18.5/kernel/kthread.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/kthread.c 2015-01-19 10:58:05.000000000 +0000
+@@ -18,6 +18,7 @@
+ #include <linux/freezer.h>
+ #include <linux/ptrace.h>
+ #include <linux/uaccess.h>
+#include <linux/vs_pid.h>
+ #include <trace/events/sched.h>
- #define KTHREAD_NICE_LEVEL (-5)
-
-@@ -98,7 +99,7 @@ static void create_kthread(struct kthrea
- struct sched_param param = { .sched_priority = 0 };
- wait_for_completion(&create->started);
- read_lock(&tasklist_lock);
-- create->result = find_task_by_pid_ns(pid, &init_pid_ns);
-+ create->result = find_task_by_real_pid(pid);
- read_unlock(&tasklist_lock);
- /*
- * root may have changed our (kthreadd's) priority or CPU mask.
-diff -NurpP --minimal linux-2.6.27.33/kernel/Makefile linux-2.6.27.33-vs2.3.0.36.6/kernel/Makefile
---- linux-2.6.27.33/kernel/Makefile 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/Makefile 2009-02-03 17:59:04.000000000 +0100
-@@ -22,6 +22,7 @@ CFLAGS_REMOVE_sched_clock.o = -pg
- CFLAGS_REMOVE_sched.o = -pg
- endif
-
-+obj-y += vserver/
- obj-$(CONFIG_PROFILING) += profile.o
- obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
- obj-$(CONFIG_STACKTRACE) += stacktrace.o
-diff -NurpP --minimal linux-2.6.27.33/kernel/nsproxy.c linux-2.6.27.33-vs2.3.0.36.6/kernel/nsproxy.c
---- linux-2.6.27.33/kernel/nsproxy.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/nsproxy.c 2008-10-13 14:54:20.000000000 +0200
-@@ -19,6 +19,8 @@
+ static DEFINE_SPINLOCK(kthread_create_lock);
+diff -NurpP --minimal linux-3.18.5/kernel/nsproxy.c linux-3.18.5-vs2.3.7.3/kernel/nsproxy.c
+--- linux-3.18.5/kernel/nsproxy.c 2015-01-16 22:19:27.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/nsproxy.c 2015-01-19 10:58:05.000000000 +0000
+@@ -20,11 +20,14 @@
#include <linux/mnt_namespace.h>
#include <linux/utsname.h>
#include <linux/pid_namespace.h>
+#include <linux/vserver/debug.h>
#include <net/net_namespace.h>
#include <linux/ipc_namespace.h>
+ #include <linux/proc_ns.h>
+ #include <linux/file.h>
+ #include <linux/syscalls.h>
++#include "../fs/mount.h"
-@@ -37,6 +39,9 @@ static inline struct nsproxy *clone_nspr
- if (ns) {
- memcpy(ns, orig, sizeof(struct nsproxy));
- atomic_set(&ns->count, 1);
-+ vxdprintk(VXD_CBIT(space, 2), "clone_nsproxy(%p[%u] = %p[1]",
-+ orig, atomic_read(&orig->count), ns);
+ static struct kmem_cache *nsproxy_cachep;
+
+@@ -46,8 +49,11 @@ static inline struct nsproxy *create_nsp
+ struct nsproxy *nsproxy;
+
+ nsproxy = kmem_cache_alloc(nsproxy_cachep, GFP_KERNEL);
+- if (nsproxy)
++ if (nsproxy) {
+ atomic_set(&nsproxy->count, 1);
+ atomic_inc(&vs_global_nsproxy);
- }
- return ns;
++ }
++ vxdprintk(VXD_CBIT(space, 2), "create_nsproxy = %p[1]", nsproxy);
+ return nsproxy;
}
-@@ -46,47 +51,51 @@ static inline struct nsproxy *clone_nspr
+
+@@ -56,9 +62,12 @@ static inline struct nsproxy *create_nsp
* Return the newly created nsproxy. Do not attach this to the task,
* leave it to the caller to do proper locking and attach it to task.
*/
-static struct nsproxy *create_new_namespaces(unsigned long flags,
-- struct task_struct *tsk, struct fs_struct *new_fs)
-+static struct nsproxy *unshare_namespaces(unsigned long flags,
-+ struct nsproxy *orig, struct fs_struct *new_fs)
+- struct task_struct *tsk, struct user_namespace *user_ns,
+- struct fs_struct *new_fs)
++static struct nsproxy *unshare_namespaces(
++ unsigned long flags,
++ struct nsproxy *orig,
++ struct fs_struct *new_fs,
++ struct user_namespace *new_user,
++ struct pid_namespace *new_pid)
{
struct nsproxy *new_nsp;
int err;
-
-- new_nsp = clone_nsproxy(tsk->nsproxy);
-+ vxdprintk(VXD_CBIT(space, 4),
-+ "unshare_namespaces(0x%08lx,%p,%p)",
-+ flags, orig, new_fs);
-+
-+ new_nsp = clone_nsproxy(orig);
+@@ -67,32 +76,31 @@ static struct nsproxy *create_new_namesp
if (!new_nsp)
return ERR_PTR(-ENOMEM);
-- new_nsp->mnt_ns = copy_mnt_ns(flags, tsk->nsproxy->mnt_ns, new_fs);
-+ new_nsp->mnt_ns = copy_mnt_ns(flags, orig->mnt_ns, new_fs);
+- new_nsp->mnt_ns = copy_mnt_ns(flags, tsk->nsproxy->mnt_ns, user_ns, new_fs);
++ new_nsp->mnt_ns = copy_mnt_ns(flags, orig->mnt_ns, new_user, new_fs);
if (IS_ERR(new_nsp->mnt_ns)) {
err = PTR_ERR(new_nsp->mnt_ns);
goto out_ns;
}
-- new_nsp->uts_ns = copy_utsname(flags, tsk->nsproxy->uts_ns);
-+ new_nsp->uts_ns = copy_utsname(flags, orig->uts_ns);
+- new_nsp->uts_ns = copy_utsname(flags, user_ns, tsk->nsproxy->uts_ns);
++ new_nsp->uts_ns = copy_utsname(flags, new_user, orig->uts_ns);
if (IS_ERR(new_nsp->uts_ns)) {
err = PTR_ERR(new_nsp->uts_ns);
goto out_uts;
}
-- new_nsp->ipc_ns = copy_ipcs(flags, tsk->nsproxy->ipc_ns);
-+ new_nsp->ipc_ns = copy_ipcs(flags, orig->ipc_ns);
+- new_nsp->ipc_ns = copy_ipcs(flags, user_ns, tsk->nsproxy->ipc_ns);
++ new_nsp->ipc_ns = copy_ipcs(flags, new_user, orig->ipc_ns);
if (IS_ERR(new_nsp->ipc_ns)) {
err = PTR_ERR(new_nsp->ipc_ns);
goto out_ipc;
}
-- new_nsp->pid_ns = copy_pid_ns(flags, task_active_pid_ns(tsk));
-+ new_nsp->pid_ns = copy_pid_ns(flags, orig->pid_ns);
- if (IS_ERR(new_nsp->pid_ns)) {
- err = PTR_ERR(new_nsp->pid_ns);
+- new_nsp->pid_ns_for_children =
+- copy_pid_ns(flags, user_ns, tsk->nsproxy->pid_ns_for_children);
++ new_nsp->pid_ns_for_children = copy_pid_ns(flags, new_user, new_pid);
+ if (IS_ERR(new_nsp->pid_ns_for_children)) {
+ err = PTR_ERR(new_nsp->pid_ns_for_children);
goto out_pid;
}
-- new_nsp->user_ns = copy_user_ns(flags, tsk->nsproxy->user_ns);
-+ new_nsp->user_ns = copy_user_ns(flags, orig->user_ns);
- if (IS_ERR(new_nsp->user_ns)) {
- err = PTR_ERR(new_nsp->user_ns);
- goto out_user;
- }
-
-- new_nsp->net_ns = copy_net_ns(flags, tsk->nsproxy->net_ns);
-+ new_nsp->net_ns = copy_net_ns(flags, orig->net_ns);
+- new_nsp->net_ns = copy_net_ns(flags, user_ns, tsk->nsproxy->net_ns);
++ new_nsp->net_ns = copy_net_ns(flags, new_user, orig->net_ns);
if (IS_ERR(new_nsp->net_ns)) {
err = PTR_ERR(new_nsp->net_ns);
goto out_net;
-@@ -114,6 +123,37 @@ out_ns:
+@@ -117,6 +125,41 @@ out_ns:
return ERR_PTR(err);
}
-+static struct nsproxy *create_new_namespaces(int flags, struct task_struct *tsk,
-+ struct fs_struct *new_fs)
++static struct nsproxy *create_new_namespaces(unsigned long flags,
++ struct task_struct *tsk, struct user_namespace *user_ns,
++ struct fs_struct *new_fs)
++
+{
-+ return unshare_namespaces(flags, tsk->nsproxy, new_fs);
++ return unshare_namespaces(flags, tsk->nsproxy,
++ new_fs, user_ns, task_active_pid_ns(tsk));
+}
+
+/*
+ */
+struct nsproxy *copy_nsproxy(struct nsproxy *orig)
+{
-+ struct nsproxy *ns = clone_nsproxy(orig);
++ struct nsproxy *ns = create_nsproxy();
+
+ if (ns) {
++ memcpy(ns, orig, sizeof(struct nsproxy));
++ atomic_set(&ns->count, 1);
++
+ if (ns->mnt_ns)
+ get_mnt_ns(ns->mnt_ns);
+ if (ns->uts_ns)
+ get_uts_ns(ns->uts_ns);
+ if (ns->ipc_ns)
+ get_ipc_ns(ns->ipc_ns);
-+ if (ns->pid_ns)
-+ get_pid_ns(ns->pid_ns);
-+ if (ns->user_ns)
-+ get_user_ns(ns->user_ns);
++ if (ns->pid_ns_for_children)
++ get_pid_ns(ns->pid_ns_for_children);
+ if (ns->net_ns)
+ get_net(ns->net_ns);
+ }
/*
* called from clone. This now handles copy for nsproxy and all
* namespaces therein.
-@@ -121,9 +161,12 @@ out_ns:
- int copy_namespaces(unsigned long flags, struct task_struct *tsk)
+@@ -125,7 +168,10 @@ int copy_namespaces(unsigned long flags,
{
struct nsproxy *old_ns = tsk->nsproxy;
+ struct user_namespace *user_ns = task_cred_xxx(tsk, user_ns);
- struct nsproxy *new_ns;
+ struct nsproxy *new_ns = NULL;
- int err = 0;
-
++
+ vxdprintk(VXD_CBIT(space, 7), "copy_namespaces(0x%08lx,%p[%p])",
+ flags, tsk, old_ns);
-+
- if (!old_ns)
+
+ if (likely(!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
+ CLONE_NEWPID | CLONE_NEWNET)))) {
+@@ -133,7 +179,7 @@ int copy_namespaces(unsigned long flags,
return 0;
+ }
-@@ -160,6 +203,9 @@ int copy_namespaces(unsigned long flags,
+- if (!ns_capable(user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_can_unshare(user_ns, CAP_SYS_ADMIN, flags))
+ return -EPERM;
- out:
- put_nsproxy(old_ns);
+ /*
+@@ -152,6 +198,9 @@ int copy_namespaces(unsigned long flags,
+ return PTR_ERR(new_ns);
+
+ tsk->nsproxy = new_ns;
+ vxdprintk(VXD_CBIT(space, 3),
-+ "copy_namespaces(0x%08lx,%p[%p]) = %d [%p]",
-+ flags, tsk, old_ns, err, new_ns);
- return err;
++ "copy_namespaces(0x%08lx,%p[%p]) = [%p]",
++ flags, tsk, old_ns, new_ns);
+ return 0;
}
-@@ -175,7 +221,9 @@ void free_nsproxy(struct nsproxy *ns)
- put_pid_ns(ns->pid_ns);
- if (ns->user_ns)
- put_user_ns(ns->user_ns);
+@@ -165,7 +214,9 @@ void free_nsproxy(struct nsproxy *ns)
+ put_ipc_ns(ns->ipc_ns);
+ if (ns->pid_ns_for_children)
+ put_pid_ns(ns->pid_ns_for_children);
- put_net(ns->net_ns);
+ if (ns->net_ns)
+ put_net(ns->net_ns);
kmem_cache_free(nsproxy_cachep, ns);
}
-@@ -188,6 +236,10 @@ int unshare_nsproxy_namespaces(unsigned
- {
+@@ -179,12 +230,16 @@ int unshare_nsproxy_namespaces(unsigned
+ struct user_namespace *user_ns;
int err = 0;
+ vxdprintk(VXD_CBIT(space, 4),
+ unshare_flags, current->nsproxy);
+
if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
- CLONE_NEWUSER | CLONE_NEWNET)))
+ CLONE_NEWNET | CLONE_NEWPID)))
return 0;
-diff -NurpP --minimal linux-2.6.27.33/kernel/pid.c linux-2.6.27.33-vs2.3.0.36.6/kernel/pid.c
---- linux-2.6.27.33/kernel/pid.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/pid.c 2008-10-13 14:54:20.000000000 +0200
-@@ -36,6 +36,8 @@
- #include <linux/pid_namespace.h>
- #include <linux/init_task.h>
+
+ user_ns = new_cred ? new_cred->user_ns : current_user_ns();
+- if (!ns_capable(user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_can_unshare(user_ns, CAP_SYS_ADMIN, unshare_flags))
+ return -EPERM;
+
+ *new_nsp = create_new_namespaces(unshare_flags, current, user_ns,
+diff -NurpP --minimal linux-3.18.5/kernel/pid.c linux-3.18.5-vs2.3.7.3/kernel/pid.c
+--- linux-3.18.5/kernel/pid.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/pid.c 2015-01-19 10:58:05.000000000 +0000
+@@ -38,6 +38,7 @@
#include <linux/syscalls.h>
+ #include <linux/proc_ns.h>
+ #include <linux/proc_fs.h>
+#include <linux/vs_pid.h>
-+#include <linux/vserver/global.h>
#define pid_hashfn(nr, ns) \
hash_long((unsigned long)nr + (unsigned long)ns, pidhash_shift)
-@@ -305,7 +307,7 @@ EXPORT_SYMBOL_GPL(find_pid_ns);
+@@ -375,7 +376,7 @@ EXPORT_SYMBOL_GPL(find_pid_ns);
struct pid *find_vpid(int nr)
{
-- return find_pid_ns(nr, current->nsproxy->pid_ns);
-+ return find_pid_ns(vx_rmap_pid(nr), current->nsproxy->pid_ns);
+- return find_pid_ns(nr, task_active_pid_ns(current));
++ return find_pid_ns(vx_rmap_pid(nr), task_active_pid_ns(current));
}
EXPORT_SYMBOL_GPL(find_vpid);
-@@ -365,6 +367,9 @@ void transfer_pid(struct task_struct *ol
+@@ -431,6 +432,9 @@ void transfer_pid(struct task_struct *ol
struct task_struct *pid_task(struct pid *pid, enum pid_type type)
{
struct task_struct *result = NULL;
+ type = PIDTYPE_PID;
if (pid) {
struct hlist_node *first;
- first = rcu_dereference(pid->tasks[type].first);
-@@ -388,14 +393,14 @@ EXPORT_SYMBOL(find_task_by_pid_type_ns);
-
- struct task_struct *find_task_by_vpid(pid_t vnr)
- {
-- return find_task_by_pid_type_ns(PIDTYPE_PID, vnr,
-+ return find_task_by_pid_type_ns(PIDTYPE_PID, vx_rmap_pid(vnr),
- current->nsproxy->pid_ns);
+ first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]),
+@@ -450,7 +454,7 @@ struct task_struct *find_task_by_pid_ns(
+ rcu_lockdep_assert(rcu_read_lock_held(),
+ "find_task_by_pid_ns() needs rcu_read_lock()"
+ " protection");
+- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
++ return pid_task(find_pid_ns(vx_rmap_pid(nr), ns), PIDTYPE_PID);
}
- EXPORT_SYMBOL(find_task_by_vpid);
- struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
- {
-- return find_task_by_pid_type_ns(PIDTYPE_PID, nr, ns);
-+ return find_task_by_pid_type_ns(PIDTYPE_PID, vx_rmap_pid(nr), ns);
- }
- EXPORT_SYMBOL(find_task_by_pid_ns);
-
-@@ -431,7 +436,7 @@ struct pid *find_get_pid(pid_t nr)
+ struct task_struct *find_task_by_vpid(pid_t vnr)
+@@ -494,7 +498,7 @@ struct pid *find_get_pid(pid_t nr)
}
EXPORT_SYMBOL_GPL(find_get_pid);
{
struct upid *upid;
pid_t nr = 0;
-@@ -444,6 +449,11 @@ pid_t pid_nr_ns(struct pid *pid, struct
- return nr;
+@@ -508,6 +512,11 @@ pid_t pid_nr_ns(struct pid *pid, struct
}
+ EXPORT_SYMBOL_GPL(pid_nr_ns);
+pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
+{
+
pid_t pid_vnr(struct pid *pid)
{
- return pid_nr_ns(pid, current->nsproxy->pid_ns);
-diff -NurpP --minimal linux-2.6.27.33/kernel/pid_namespace.c linux-2.6.27.33-vs2.3.0.36.6/kernel/pid_namespace.c
---- linux-2.6.27.33/kernel/pid_namespace.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/pid_namespace.c 2008-10-13 14:54:20.000000000 +0200
-@@ -13,6 +13,7 @@
- #include <linux/syscalls.h>
- #include <linux/err.h>
- #include <linux/acct.h>
+ return pid_nr_ns(pid, task_active_pid_ns(current));
+diff -NurpP --minimal linux-3.18.5/kernel/pid_namespace.c linux-3.18.5-vs2.3.7.3/kernel/pid_namespace.c
+--- linux-3.18.5/kernel/pid_namespace.c 2014-06-12 13:02:52.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/pid_namespace.c 2015-01-19 10:58:05.000000000 +0000
+@@ -18,6 +18,7 @@
+ #include <linux/proc_ns.h>
+ #include <linux/reboot.h>
+ #include <linux/export.h>
+#include <linux/vserver/global.h>
- #define BITS_PER_PAGE (PAGE_SIZE*8)
-
-@@ -85,6 +86,7 @@ static struct pid_namespace *create_pid_
+ struct pid_cache {
+ int nr_ids;
+@@ -110,6 +111,7 @@ static struct pid_namespace *create_pid_
goto out_free_map;
kref_init(&ns->kref);
+ atomic_inc(&vs_global_pid_ns);
ns->level = level;
-
- set_bit(0, ns->pidmap[0].page);
-@@ -109,6 +111,7 @@ static void destroy_pid_namespace(struct
-
- for (i = 0; i < PIDMAP_ENTRIES; i++)
- kfree(ns->pidmap[i].page);
+ ns->parent = get_pid_ns(parent_pid_ns);
+ ns->user_ns = get_user_ns(user_ns);
+@@ -127,6 +129,7 @@ static struct pid_namespace *create_pid_
+ out_free_map:
+ kfree(ns->pidmap[0].page);
+ out_free:
+ atomic_dec(&vs_global_pid_ns);
kmem_cache_free(pid_ns_cachep, ns);
- }
-
-diff -NurpP --minimal linux-2.6.27.33/kernel/posix-timers.c linux-2.6.27.33-vs2.3.0.36.6/kernel/posix-timers.c
---- linux-2.6.27.33/kernel/posix-timers.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/posix-timers.c 2009-02-03 17:59:04.000000000 +0100
+ out:
+ return ERR_PTR(err);
+diff -NurpP --minimal linux-3.18.5/kernel/printk/printk.c linux-3.18.5-vs2.3.7.3/kernel/printk/printk.c
+--- linux-3.18.5/kernel/printk/printk.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/printk/printk.c 2015-01-19 11:13:25.000000000 +0000
@@ -46,6 +46,7 @@
- #include <linux/wait.h>
- #include <linux/workqueue.h>
- #include <linux/module.h>
-+#include <linux/vs_context.h>
-
- /*
- * Management arrays for POSIX timers. Timers are kept in slab memory
-@@ -298,6 +299,12 @@ void do_schedule_next_timer(struct sigin
-
- int posix_timer_event(struct k_itimer *timr, int si_private)
- {
-+ struct vx_info_save vxis;
-+ struct vx_info *vxi;
-+ int ret;
-+
-+ vxi = task_get_vx_info(timr->it_process);
-+ enter_vx_info(vxi, &vxis);
- /*
- * FIXME: if ->sigq is queued we can race with
- * dequeue_signal()->do_schedule_next_timer().
-@@ -318,10 +325,11 @@ int posix_timer_event(struct k_itimer *t
-
- if (timr->it_sigev_notify & SIGEV_THREAD_ID) {
- struct task_struct *leader;
-- int ret = send_sigqueue(timr->sigq, timr->it_process, 0);
-+
-+ ret = send_sigqueue(timr->sigq, timr->it_process, 0);
-
- if (likely(ret >= 0))
-- return ret;
-+ goto out;
-
- timr->it_sigev_notify = SIGEV_SIGNAL;
- leader = timr->it_process->group_leader;
-@@ -329,7 +337,11 @@ int posix_timer_event(struct k_itimer *t
- timr->it_process = leader;
- }
-
-- return send_sigqueue(timr->sigq, timr->it_process, 1);
-+ ret = send_sigqueue(timr->sigq, timr->it_process, 1);
-+out:
-+ leave_vx_info(&vxis);
-+ put_vx_info(vxi);
-+ return ret;
- }
- EXPORT_SYMBOL_GPL(posix_timer_event);
-
-diff -NurpP --minimal linux-2.6.27.33/kernel/printk.c linux-2.6.27.33-vs2.3.0.36.6/kernel/printk.c
---- linux-2.6.27.33/kernel/printk.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/printk.c 2009-02-03 17:59:04.000000000 +0100
-@@ -32,6 +32,7 @@
- #include <linux/security.h>
- #include <linux/bootmem.h>
- #include <linux/syscalls.h>
+ #include <linux/irq_work.h>
+ #include <linux/utsname.h>
+ #include <linux/ctype.h>
+#include <linux/vs_cvirt.h>
#include <asm/uaccess.h>
-@@ -291,18 +292,13 @@ int do_syslog(int type, char __user *buf
- unsigned i, j, limit, count;
- int do_clear = 0;
- char c;
-- int error = 0;
-+ int error;
+@@ -490,7 +491,7 @@ static int check_syslog_permissions(int
+ return 0;
- error = security_syslog(type);
+ if (syslog_action_restricted(type)) {
+- if (capable(CAP_SYSLOG))
++ if (vx_capable(CAP_SYSLOG, VXC_SYSLOG))
+ return 0;
+ /*
+ * For historical reasons, accept CAP_SYS_ADMIN too, with
+@@ -1270,12 +1271,9 @@ int do_syslog(int type, char __user *buf
if (error)
return error;
- switch (type) {
-- case 0: /* Close log */
+- case SYSLOG_ACTION_CLOSE: /* Close log */
- break;
-- case 1: /* Open log */
+- case SYSLOG_ACTION_OPEN: /* Open log */
- break;
-- case 2: /* Read from log */
-+ if ((type >= 2) && (type <= 4)) {
+- case SYSLOG_ACTION_READ: /* Read from log */
++ if ((type == SYSLOG_ACTION_READ) ||
++ (type == SYSLOG_ACTION_READ_ALL) ||
++ (type == SYSLOG_ACTION_READ_CLEAR)) {
error = -EINVAL;
if (!buf || len < 0)
goto out;
-@@ -313,6 +309,16 @@ int do_syslog(int type, char __user *buf
+@@ -1286,6 +1284,16 @@ int do_syslog(int type, char __user *buf
error = -EFAULT;
goto out;
}
+ return vx_do_syslog(type, buf, len);
+
+ switch (type) {
-+ case 0: /* Close log */
++ case SYSLOG_ACTION_CLOSE: /* Close log */
+ break;
-+ case 1: /* Open log */
++ case SYSLOG_ACTION_OPEN: /* Open log */
+ break;
-+ case 2: /* Read from log */
++ case SYSLOG_ACTION_READ: /* Read from log */
error = wait_event_interruptible(log_wait,
- (log_start - log_end));
+ syslog_seq != log_next_seq);
if (error)
-@@ -337,16 +343,6 @@ int do_syslog(int type, char __user *buf
- do_clear = 1;
+@@ -1298,16 +1306,6 @@ int do_syslog(int type, char __user *buf
/* FALL THRU */
- case 3: /* Read last kernel messages */
+ /* Read last kernel messages */
+ case SYSLOG_ACTION_READ_ALL:
- error = -EINVAL;
- if (!buf || len < 0)
- goto out;
- error = -EFAULT;
- goto out;
- }
- count = len;
- if (count > log_buf_len)
- count = log_buf_len;
-diff -NurpP --minimal linux-2.6.27.33/kernel/ptrace.c linux-2.6.27.33-vs2.3.0.36.6/kernel/ptrace.c
---- linux-2.6.27.33/kernel/ptrace.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/ptrace.c 2009-02-03 17:59:04.000000000 +0100
-@@ -21,6 +21,7 @@
- #include <linux/audit.h>
- #include <linux/pid_namespace.h>
+ error = syslog_print_all(buf, len, clear);
+ break;
+ /* Clear ring buffer */
+diff -NurpP --minimal linux-3.18.5/kernel/ptrace.c linux-3.18.5-vs2.3.7.3/kernel/ptrace.c
+--- linux-3.18.5/kernel/ptrace.c 2015-01-16 22:19:27.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/ptrace.c 2015-01-19 10:58:13.000000000 +0000
+@@ -23,6 +23,7 @@
#include <linux/syscalls.h>
+ #include <linux/uaccess.h>
+ #include <linux/regset.h>
+#include <linux/vs_context.h>
+ #include <linux/hw_breakpoint.h>
+ #include <linux/cn_proc.h>
+ #include <linux/compat.h>
+@@ -258,6 +259,11 @@ ok:
+ }
+ rcu_read_unlock();
- #include <asm/pgtable.h>
- #include <asm/uaccess.h>
-@@ -139,6 +140,11 @@ int __ptrace_may_access(struct task_stru
- dumpable = get_dumpable(task->mm);
- if (!dumpable && !capable(CAP_SYS_PTRACE))
- return -EPERM;
-+ if (!vx_check(task->xid, VS_ADMIN_P|VS_IDENT))
++ if (!vx_check(task->xid, VS_ADMIN_P|VS_WATCH_P|VS_IDENT))
+ return -EPERM;
+ if (!vx_check(task->xid, VS_IDENT) &&
+ !task_vx_flags(task, VXF_STATE_ADMIN, 0))
+ return -EACCES;
-
- return security_ptrace_may_access(task, mode);
+ return security_ptrace_access_check(task, mode);
}
-@@ -567,6 +573,10 @@ SYSCALL_DEFINE4(ptrace, long, request, l
- goto out;
- }
-+ ret = -EPERM;
-+ if (!vx_check(vx_task_xid(child), VS_WATCH_P | VS_IDENT))
-+ goto out_put_task_struct;
-+
- if (request == PTRACE_ATTACH) {
- ret = ptrace_attach(child);
- /*
-diff -NurpP --minimal linux-2.6.27.33/kernel/sched.c linux-2.6.27.33-vs2.3.0.36.6/kernel/sched.c
---- linux-2.6.27.33/kernel/sched.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/sched.c 2009-03-09 15:36:36.000000000 +0100
-@@ -71,6 +71,8 @@
- #include <linux/debugfs.h>
- #include <linux/ctype.h>
- #include <linux/ftrace.h>
-+#include <linux/vs_sched.h>
-+#include <linux/vs_cvirt.h>
+diff -NurpP --minimal linux-3.18.5/kernel/reboot.c linux-3.18.5-vs2.3.7.3/kernel/reboot.c
+--- linux-3.18.5/kernel/reboot.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/reboot.c 2015-01-19 10:58:13.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/syscore_ops.h>
+ #include <linux/uaccess.h>
++#include <linux/vs_pid.h>
- #include <asm/tlb.h>
- #include <asm/irq_regs.h>
-@@ -577,6 +579,16 @@ struct rq {
- #endif
- struct hrtimer hrtick_timer;
- #endif
-+ unsigned long norm_time;
-+ unsigned long idle_time;
-+#ifdef CONFIG_VSERVER_IDLETIME
-+ int idle_skip;
-+#endif
-+#ifdef CONFIG_VSERVER_HARDCPU
-+ struct list_head hold_queue;
-+ unsigned long nr_onhold;
-+ int idle_tokens;
-+#endif
+ /*
+ * this indicates whether you can reboot with ctrl-alt-del: the default is yes
+@@ -269,6 +270,8 @@ EXPORT_SYMBOL_GPL(kernel_power_off);
- #ifdef CONFIG_SCHEDSTATS
- /* latency stats */
-@@ -1640,6 +1652,7 @@ static void update_avg(u64 *avg, u64 sam
+ static DEFINE_MUTEX(reboot_mutex);
+
++long vs_reboot(unsigned int, void __user *);
++
+ /*
+ * Reboot system call: for obvious reasons only root may call it,
+ * and even root needs to set up some magic numbers in the registers
+@@ -311,6 +314,9 @@ SYSCALL_DEFINE4(reboot, int, magic1, int
+ if ((cmd == LINUX_REBOOT_CMD_POWER_OFF) && !pm_power_off)
+ cmd = LINUX_REBOOT_CMD_HALT;
+
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ return vs_reboot(cmd, arg);
++
+ mutex_lock(&reboot_mutex);
+ switch (cmd) {
+ case LINUX_REBOOT_CMD_RESTART:
+diff -NurpP --minimal linux-3.18.5/kernel/sched/core.c linux-3.18.5-vs2.3.7.3/kernel/sched/core.c
+--- linux-3.18.5/kernel/sched/core.c 2015-02-05 18:02:45.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/sched/core.c 2015-01-19 11:06:53.000000000 +0000
+@@ -74,6 +74,8 @@
+ #include <linux/binfmts.h>
+ #include <linux/context_tracking.h>
+ #include <linux/compiler.h>
++#include <linux/vs_sched.h>
++#include <linux/vs_cvirt.h>
- static void enqueue_task(struct rq *rq, struct task_struct *p, int wakeup)
- {
-+ // BUG_ON(p->state & TASK_ONHOLD);
- sched_info_queued(p);
- p->sched_class->enqueue_task(rq, p, wakeup);
- p->se.on_rq = 1;
-@@ -1763,6 +1776,8 @@ static inline void check_class_changed(s
- p->sched_class->prio_changed(rq, p, oldprio, running);
- }
+ #include <asm/switch_to.h>
+ #include <asm/tlb.h>
+@@ -3192,7 +3194,7 @@ SYSCALL_DEFINE1(nice, int, increment)
-+#include "sched_mon.h"
-+
- #ifdef CONFIG_SMP
+ nice = clamp_val(nice, MIN_NICE, MAX_NICE);
+ if (increment < 0 && !can_nice(current, nice))
+- return -EPERM;
++ return vx_flags(VXF_IGNEG_NICE, 0) ? 0 : -EPERM;
- /* Used instead of source_load when we know the type == 0 */
-@@ -1846,6 +1861,7 @@ migrate_task(struct task_struct *p, int
- {
- struct rq *rq = task_rq(p);
+ retval = security_task_setnice(current, nice);
+ if (retval)
+diff -NurpP --minimal linux-3.18.5/kernel/sched/cputime.c linux-3.18.5-vs2.3.7.3/kernel/sched/cputime.c
+--- linux-3.18.5/kernel/sched/cputime.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/sched/cputime.c 2015-01-19 11:08:36.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/kernel_stat.h>
+ #include <linux/static_key.h>
+ #include <linux/context_tracking.h>
++#include <linux/vs_sched.h>
+ #include "sched.h"
-+ vxm_migrate_task(p, rq, dest_cpu);
- /*
- * If the task is not on a runqueue (and not running), then
- * it is sufficient to simply update the task's cpu field.
-@@ -2178,6 +2194,8 @@ static int sched_balance_self(int cpu, i
-
- #endif /* CONFIG_SMP */
-
-+#include "sched_hard.h"
-+
- /***
- * try_to_wake_up - wake up a thread
- * @p: the to-be-woken-up thread
-@@ -2221,6 +2239,13 @@ static int try_to_wake_up(struct task_st
- smp_wmb();
- rq = task_rq_lock(p, &flags);
- old_state = p->state;
-+
-+ /* we need to unhold suspended tasks */
-+ if (old_state & TASK_ONHOLD) {
-+ vx_unhold_task(p, rq);
-+ old_state = p->state;
-+ }
-+
- if (!(old_state & state))
- goto out;
-@@ -2242,6 +2267,12 @@ static int try_to_wake_up(struct task_st
- /* might preempt at this point */
- rq = task_rq_lock(p, &flags);
- old_state = p->state;
-+
-+ /* we need to unhold suspended tasks
-+ if (old_state & TASK_ONHOLD) {
-+ vx_unhold_task(p, rq);
-+ old_state = p->state;
-+ } */
- if (!(old_state & state))
- goto out;
- if (p->se.on_rq)
-@@ -4067,13 +4098,16 @@ unsigned long long task_sched_runtime(st
- void account_user_time(struct task_struct *p, cputime_t cputime)
+@@ -135,14 +136,17 @@ static inline void task_group_account_fi
+ void account_user_time(struct task_struct *p, cputime_t cputime,
+ cputime_t cputime_scaled)
{
- struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat;
+ struct vx_info *vxi = p->vx_info; /* p is _always_ current */
- cputime64_t tmp;
-+ int nice = (TASK_NICE(p) > 0);
++ int nice = (task_nice(p) > 0);
+ int index;
- p->utime = cputime_add(p->utime, cputime);
+ /* Add user time to process. */
+ p->utime += cputime;
+ p->utimescaled += cputime_scaled;
+ vx_account_user(vxi, cputime, nice);
+ account_group_user_time(p, cputime);
+
+- index = (task_nice(p) > 0) ? CPUTIME_NICE : CPUTIME_USER;
++ index = (nice) ? CPUTIME_NICE : CPUTIME_USER;
/* Add user time to cpustat. */
- tmp = cputime_to_cputime64(cputime);
-- if (TASK_NICE(p) > 0)
-+ if (nice)
- cpustat->nice = cputime64_add(cpustat->nice, tmp);
- else
- cpustat->user = cputime64_add(cpustat->user, tmp);
-@@ -4120,6 +4154,7 @@ void account_system_time(struct task_str
- cputime_t cputime)
+ task_group_account_field(p, index, (__force u64) cputime);
+@@ -189,9 +193,12 @@ static inline
+ void __account_system_time(struct task_struct *p, cputime_t cputime,
+ cputime_t cputime_scaled, int index)
{
- struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat;
+ struct vx_info *vxi = p->vx_info; /* p is _always_ current */
- struct rq *rq = this_rq();
- cputime64_t tmp;
-
-@@ -4129,6 +4164,7 @@ void account_system_time(struct task_str
- }
-
- p->stime = cputime_add(p->stime, cputime);
-+ vx_account_system(vxi, cputime, (p == rq->idle));
-
- /* Add system time to cpustat. */
- tmp = cputime_to_cputime64(cputime);
-@@ -4451,6 +4487,11 @@ need_resched_nonpreemptible:
- idle_balance(cpu, rq);
-
- prev->sched_class->put_prev_task(rq, prev);
-+
-+ vx_set_rq_time(rq, jiffies); /* update time */
-+ vx_schedule(prev, rq, cpu); /* hold if over limit */
-+ vx_try_unhold(rq, cpu); /* unhold if refilled */
+
- next = pick_next_task(rq, prev);
+ /* Add system time to process. */
+ p->stime += cputime;
+ p->stimescaled += cputime_scaled;
++ vx_account_system(vxi, cputime, 0 /* do we have idle time? */);
+ account_group_system_time(p, cputime);
- if (likely(prev != next)) {
-@@ -4963,7 +5004,7 @@ SYSCALL_DEFINE1(nice, int, increment)
- nice = 19;
-
- if (increment < 0 && !can_nice(current, nice))
-- return -EPERM;
-+ return vx_flags(VXF_IGNEG_NICE, 0) ? 0 : -EPERM;
+ /* Add system time to cpustat. */
+diff -NurpP --minimal linux-3.18.5/kernel/sched/fair.c linux-3.18.5-vs2.3.7.3/kernel/sched/fair.c
+--- linux-3.18.5/kernel/sched/fair.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/sched/fair.c 2015-01-19 10:58:14.000000000 +0000
+@@ -30,6 +30,7 @@
+ #include <linux/mempolicy.h>
+ #include <linux/migrate.h>
+ #include <linux/task_work.h>
++#include <linux/vs_cvirt.h>
- retval = security_task_setnice(current, nice);
- if (retval)
-@@ -8173,7 +8214,10 @@ void __init sched_init(void)
+ #include <trace/events/sched.h>
- #endif
- #endif /* CONFIG_FAIR_GROUP_SCHED */
--
-+#ifdef CONFIG_VSERVER_HARDCPU
-+ INIT_LIST_HEAD(&rq->hold_queue);
-+ rq->nr_onhold = 0;
-+#endif
- rq->rt.rt_runtime = def_rt_bandwidth.rt_runtime;
- #ifdef CONFIG_RT_GROUP_SCHED
- INIT_LIST_HEAD(&rq->leaf_rt_rq_list);
-diff -NurpP --minimal linux-2.6.27.33/kernel/sched_fair.c linux-2.6.27.33-vs2.3.0.36.6/kernel/sched_fair.c
---- linux-2.6.27.33/kernel/sched_fair.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/sched_fair.c 2008-10-13 14:54:20.000000000 +0200
-@@ -724,6 +724,9 @@ enqueue_entity(struct cfs_rq *cfs_rq, st
- check_spread(cfs_rq, se);
- if (se != cfs_rq->curr)
+@@ -2840,6 +2841,8 @@ enqueue_entity(struct cfs_rq *cfs_rq, st
__enqueue_entity(cfs_rq, se);
-+
+ se->on_rq = 1;
+
+ if (entity_is_task(se))
+ vx_activate_task(task_of(se));
- }
-
- static void
-@@ -750,6 +753,8 @@ dequeue_entity(struct cfs_rq *cfs_rq, st
-
+ if (cfs_rq->nr_running == 1) {
+ list_add_leaf_cfs_rq(cfs_rq);
+ check_enqueue_throttle(cfs_rq);
+@@ -2921,6 +2924,8 @@ dequeue_entity(struct cfs_rq *cfs_rq, st
if (se != cfs_rq->curr)
__dequeue_entity(cfs_rq, se);
+ se->on_rq = 0;
+ if (entity_is_task(se))
+ vx_deactivate_task(task_of(se));
account_entity_dequeue(cfs_rq, se);
- }
-diff -NurpP --minimal linux-2.6.27.33/kernel/sched_hard.h linux-2.6.27.33-vs2.3.0.36.6/kernel/sched_hard.h
---- linux-2.6.27.33/kernel/sched_hard.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/sched_hard.h 2009-03-09 15:36:36.000000000 +0100
-@@ -0,0 +1,353 @@
-+
-+#ifdef CONFIG_VSERVER_IDLELIMIT
-+
-+/*
-+ * vx_idle_resched - reschedule after maxidle
-+ */
-+static inline
-+void vx_idle_resched(struct rq *rq)
-+{
-+ /* maybe have a better criterion for paused */
-+ if (!--rq->idle_tokens && !list_empty(&rq->hold_queue))
-+ set_need_resched();
-+}
-+
-+#else /* !CONFIG_VSERVER_IDLELIMIT */
-+
-+#define vx_idle_resched(rq)
-+
-+#endif /* CONFIG_VSERVER_IDLELIMIT */
-+
-+
-+
-+#ifdef CONFIG_VSERVER_IDLETIME
-+
-+#define vx_set_rq_min_skip(rq, min) \
-+ (rq)->idle_skip = (min)
-+
-+#define vx_save_min_skip(ret, min, val) \
-+ __vx_save_min_skip(ret, min, val)
-+
-+static inline
-+void __vx_save_min_skip(int ret, int *min, int val)
-+{
-+ if (ret > -2)
-+ return;
-+ if ((*min > val) || !*min)
-+ *min = val;
-+}
-+
-+static inline
-+int vx_try_skip(struct rq *rq, int cpu)
-+{
-+ /* artificially advance time */
-+ if (rq->idle_skip > 0) {
-+ vxdprintk(list_empty(&rq->hold_queue),
-+ "hold queue empty on cpu %d", cpu);
-+ rq->idle_time += rq->idle_skip;
-+ vxm_idle_skip(rq, cpu);
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+#else /* !CONFIG_VSERVER_IDLETIME */
-+
-+#define vx_set_rq_min_skip(rq, min) \
-+ ({ int dummy = (min); dummy; })
-+
-+#define vx_save_min_skip(ret, min, val)
-+
-+static inline
-+int vx_try_skip(struct rq *rq, int cpu)
-+{
-+ return 0;
-+}
-+
-+#endif /* CONFIG_VSERVER_IDLETIME */
-+
-+
-+
-+#ifdef CONFIG_VSERVER_HARDCPU
-+
-+#define vx_set_rq_max_idle(rq, max) \
-+ (rq)->idle_tokens = (max)
-+
-+#define vx_save_max_idle(ret, min, val) \
-+ __vx_save_max_idle(ret, min, val)
-+
-+static inline
-+void __vx_save_max_idle(int ret, int *min, int val)
-+{
-+ if (*min > val)
-+ *min = val;
-+}
-+
-+
-+/*
-+ * vx_hold_task - put a task on the hold queue
-+ */
-+static inline
-+void vx_hold_task(struct task_struct *p, struct rq *rq)
-+{
-+ // printk("@ hold_task(%p[%lx])\n", p, p->state);
-+
-+ /* ignore dead/killed tasks */
-+ if (unlikely(p->state & (TASK_DEAD | TASK_WAKEKILL)))
-+ return;
-+
-+ /* ignore sleeping tasks */
-+ if (unlikely(p->state & TASK_NORMAL))
-+ return;
-+
-+ /* remove task from runqueue */
-+ if (likely(p->se.on_rq))
-+ dequeue_task(rq, p, 0);
-+ else
-+ printk("@ woops, task %p not on runqueue?\n", p);
-+
-+ p->state |= TASK_ONHOLD;
-+ /* a new one on hold */
-+ rq->nr_onhold++;
-+ vxm_hold_task(p, rq);
-+ list_add_tail(&p->hq, &rq->hold_queue);
-+ // list_add_tail(&p->run_list, &rq->hold_queue);
-+}
-+
-+/*
-+ * vx_unhold_task - put a task back to the runqueue
-+ */
-+static inline
-+void vx_unhold_task(struct task_struct *p, struct rq *rq)
-+{
-+ // printk("@ unhold_task(%p[%lx])\n", p, p->state);
-+ list_del_init(&p->hq);
-+ // list_del(&p->run_list);
-+ /* one less waiting */
-+ rq->nr_onhold--;
-+ p->state &= ~TASK_ONHOLD;
-+ enqueue_task(rq, p, 0);
-+ // ? inc_nr_running(p, rq);
-+ vxm_unhold_task(p, rq);
-+}
-+
-+/*
-+ * vx_remove_hold - remove a task from the hold queue
-+ */
-+static inline
-+void vx_remove_hold(struct task_struct *p, struct rq *rq)
-+{
-+ printk("@ remove_hold(%p[%lx])\n", p, p->state);
-+ list_del_init(&p->hq);
-+ // list_del(&p->run_list);
-+ /* one less waiting */
-+ rq->nr_onhold--;
-+ p->state &= ~TASK_ONHOLD;
-+}
-+
-+unsigned long nr_onhold(void)
-+{
-+ unsigned long i, sum = 0;
-+
-+ for_each_online_cpu(i)
-+ sum += cpu_rq(i)->nr_onhold;
-+
-+ return sum;
-+}
-+
-+
-+
-+static inline
-+int __vx_tokens_avail(struct _vx_sched_pc *sched_pc)
-+{
-+ return sched_pc->tokens;
-+}
-+
-+static inline
-+void __vx_consume_token(struct _vx_sched_pc *sched_pc)
-+{
-+ sched_pc->tokens--;
-+}
-+
-+static inline
-+int vx_need_resched(struct task_struct *p, int slice, int cpu)
-+{
-+ struct vx_info *vxi = p->vx_info;
-+
-+ if (vx_info_flags(vxi, VXF_SCHED_HARD|VXF_SCHED_PRIO, 0)) {
-+ struct _vx_sched_pc *sched_pc =
-+ &vx_per_cpu(vxi, sched_pc, cpu);
-+ int tokens;
-+
-+ /* maybe we can simplify that to decrement
-+ the token counter unconditional? */
-+
-+ if ((tokens = __vx_tokens_avail(sched_pc)) > 0)
-+ __vx_consume_token(sched_pc);
-+
-+ /* for tokens > 0, one token was consumed */
-+ if (tokens < 2)
-+ slice = 0;
-+ }
-+ vxm_need_resched(p, slice, cpu);
-+ return (slice == 0);
-+}
-+
-+
-+#define vx_set_rq_time(rq, time) do { \
-+ rq->norm_time = time; \
-+} while (0)
-+
-+
-+static inline
-+void vx_try_unhold(struct rq *rq, int cpu)
-+{
-+ struct vx_info *vxi = NULL;
-+ struct list_head *l, *n;
-+ int maxidle = HZ;
-+ int minskip = 0;
-+
-+ /* nothing to do? what about pause? */
-+ if (list_empty(&rq->hold_queue))
-+ return;
-+
-+ list_for_each_safe(l, n, &rq->hold_queue) {
-+ int ret, delta_min[2];
-+ struct _vx_sched_pc *sched_pc;
-+ struct task_struct *p;
-+
-+ p = list_entry(l, struct task_struct, hq);
-+ /* don't bother with same context */
-+ if (vxi == p->vx_info)
-+ continue;
-+
-+ vxi = p->vx_info;
-+ /* ignore paused contexts */
-+ if (vx_info_flags(vxi, VXF_SCHED_PAUSE, 0))
-+ continue;
-+
-+ sched_pc = &vx_per_cpu(vxi, sched_pc, cpu);
-+
-+ /* recalc tokens */
-+ vxm_sched_info(sched_pc, vxi, cpu);
-+ ret = vx_tokens_recalc(sched_pc,
-+ &rq->norm_time, &rq->idle_time, delta_min);
-+ vxm_tokens_recalc(sched_pc, rq, vxi, cpu);
-+
-+ if (ret > 0) {
-+ /* we found a runable context */
-+ vx_unhold_task(p, rq);
-+ break;
-+ }
-+ vx_save_max_idle(ret, &maxidle, delta_min[0]);
-+ vx_save_min_skip(ret, &minskip, delta_min[1]);
-+ }
-+ vx_set_rq_max_idle(rq, maxidle);
-+ vx_set_rq_min_skip(rq, minskip);
-+ vxm_rq_max_min(rq, cpu);
-+}
-+
-+
-+static inline
-+int vx_schedule(struct task_struct *next, struct rq *rq, int cpu)
-+{
-+ struct vx_info *vxi = next->vx_info;
-+ struct _vx_sched_pc *sched_pc;
-+ int delta_min[2];
-+ int flags, ret;
-+
-+ if (!vxi)
-+ return 1;
-+
-+ flags = vxi->vx_flags;
-+
-+ if (unlikely(vs_check_flags(flags, VXF_SCHED_PAUSE, 0)))
-+ goto put_on_hold;
-+ if (!vs_check_flags(flags, VXF_SCHED_HARD | VXF_SCHED_PRIO, 0))
-+ return 1;
-+
-+ sched_pc = &vx_per_cpu(vxi, sched_pc, cpu);
-+#ifdef CONFIG_SMP
-+ /* update scheduler params */
-+ if (cpu_isset(cpu, vxi->sched.update)) {
-+ vx_update_sched_param(&vxi->sched, sched_pc);
-+ vxm_update_sched(sched_pc, vxi, cpu);
-+ cpu_clear(cpu, vxi->sched.update);
-+ }
-+#endif
-+ vxm_sched_info(sched_pc, vxi, cpu);
-+ ret = vx_tokens_recalc(sched_pc,
-+ &rq->norm_time, &rq->idle_time, delta_min);
-+ vxm_tokens_recalc(sched_pc, rq, vxi, cpu);
-+
-+ if (!vs_check_flags(flags, VXF_SCHED_HARD, 0))
-+ return 1;
-+
-+ if (unlikely(ret < 0)) {
-+ vx_save_max_idle(ret, &rq->idle_tokens, delta_min[0]);
-+ vx_save_min_skip(ret, &rq->idle_skip, delta_min[1]);
-+ vxm_rq_max_min(rq, cpu);
-+ put_on_hold:
-+ vx_hold_task(next, rq);
-+ return 0;
+ /*
+diff -NurpP --minimal linux-3.18.5/kernel/sched/proc.c linux-3.18.5-vs2.3.7.3/kernel/sched/proc.c
+--- linux-3.18.5/kernel/sched/proc.c 2015-01-16 22:19:27.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/sched/proc.c 2015-01-19 10:58:14.000000000 +0000
+@@ -71,9 +71,17 @@ EXPORT_SYMBOL(avenrun); /* should be rem
+ */
+ void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
+ {
+- loads[0] = (avenrun[0] + offset) << shift;
+- loads[1] = (avenrun[1] + offset) << shift;
+- loads[2] = (avenrun[2] + offset) << shift;
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++
++ loads[0] = (vxi->cvirt.load[0] + offset) << shift;
++ loads[1] = (vxi->cvirt.load[1] + offset) << shift;
++ loads[2] = (vxi->cvirt.load[2] + offset) << shift;
++ } else {
++ loads[0] = (avenrun[0] + offset) << shift;
++ loads[1] = (avenrun[1] + offset) << shift;
++ loads[2] = (avenrun[2] + offset) << shift;
+ }
-+ return 1;
-+}
-+
-+
-+#else /* CONFIG_VSERVER_HARDCPU */
-+
-+static inline
-+void vx_hold_task(struct task_struct *p, struct rq *rq)
-+{
-+ return;
-+}
-+
-+static inline
-+void vx_unhold_task(struct task_struct *p, struct rq *rq)
-+{
-+ return;
-+}
-+
-+unsigned long nr_onhold(void)
-+{
-+ return 0;
-+}
-+
-+
-+static inline
-+int vx_need_resched(struct task_struct *p, int slice, int cpu)
-+{
-+ return (slice == 0);
-+}
-+
-+
-+#define vx_set_rq_time(rq, time)
-+
-+static inline
-+void vx_try_unhold(struct rq *rq, int cpu)
-+{
-+ return;
-+}
-+
-+static inline
-+int vx_schedule(struct task_struct *next, struct rq *rq, int cpu)
-+{
-+ struct vx_info *vxi = next->vx_info;
-+ struct _vx_sched_pc *sched_pc;
-+ int delta_min[2];
-+ int ret;
-+
-+ if (!vx_info_flags(vxi, VXF_SCHED_PRIO, 0))
-+ return 1;
-+
-+ sched_pc = &vx_per_cpu(vxi, sched_pc, cpu);
-+ vxm_sched_info(sched_pc, vxi, cpu);
-+ ret = vx_tokens_recalc(sched_pc,
-+ &rq->norm_time, &rq->idle_time, delta_min);
-+ vxm_tokens_recalc(sched_pc, rq, vxi, cpu);
-+ return 1;
-+}
-+
-+#endif /* CONFIG_VSERVER_HARDCPU */
-+
-diff -NurpP --minimal linux-2.6.27.33/kernel/sched_mon.h linux-2.6.27.33-vs2.3.0.36.6/kernel/sched_mon.h
---- linux-2.6.27.33/kernel/sched_mon.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/sched_mon.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,200 @@
-+
-+#include <linux/vserver/monitor.h>
-+
-+#ifdef CONFIG_VSERVER_MONITOR
-+
-+#ifdef CONFIG_VSERVER_HARDCPU
-+#define HARDCPU(x) (x)
-+#else
-+#define HARDCPU(x) (0)
-+#endif
-+
-+#ifdef CONFIG_VSERVER_IDLETIME
-+#define IDLETIME(x) (x)
-+#else
-+#define IDLETIME(x) (0)
-+#endif
-+
-+struct _vx_mon_entry *vxm_advance(int cpu);
-+
+ }
+
+ long calc_load_fold_active(struct rq *this_rq)
+diff -NurpP --minimal linux-3.18.5/kernel/signal.c linux-3.18.5-vs2.3.7.3/kernel/signal.c
+--- linux-3.18.5/kernel/signal.c 2015-01-16 22:19:27.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/signal.c 2015-01-19 13:14:52.000000000 +0000
+@@ -34,6 +34,8 @@
+ #include <linux/compat.h>
+ #include <linux/cn_proc.h>
+ #include <linux/compiler.h>
++#include <linux/vs_context.h>
++#include <linux/vs_pid.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/signal.h>
+@@ -767,9 +769,18 @@ static int check_kill_permission(int sig
+ struct pid *sid;
+ int error;
+
++ vxdprintk(VXD_CBIT(misc, 7),
++ "check_kill_permission(%d,%p,%p[#%u,%u])",
++ sig, info, t, vx_task_xid(t), t->pid);
+
-+static inline
-+void __vxm_basic(struct _vx_mon_entry *entry, xid_t xid, int type)
-+{
-+ entry->type = type;
-+ entry->xid = xid;
-+}
+ if (!valid_signal(sig))
+ return -EINVAL;
+
++/* FIXME: needed? if so, why?
++ if ((info != SEND_SIG_NOINFO) &&
++ (is_si_special(info) || !si_fromuser(info)))
++ goto skip; */
+
-+static inline
-+void __vxm_sync(int cpu)
-+{
-+ struct _vx_mon_entry *entry = vxm_advance(cpu);
+ if (!si_fromuser(info))
+ return 0;
+
+@@ -793,6 +804,20 @@ static int check_kill_permission(int sig
+ }
+ }
+
++ error = -EPERM;
++ if (t->pid == 1 && current->xid)
++ return error;
+
-+ __vxm_basic(entry, 0, VXM_SYNC);
-+ entry->ev.sec = xtime.tv_sec;
-+ entry->ev.nsec = xtime.tv_nsec;
-+}
++ error = -ESRCH;
++ /* FIXME: we shouldn't return ESRCH ever, to avoid
++ loops, maybe ENOENT or EACCES? */
++ if (!vx_check(vx_task_xid(t), VS_WATCH_P | VS_IDENT)) {
++ vxdprintk(current->xid || VXD_CBIT(misc, 7),
++ "signal %d[%p] xid mismatch %p[#%u,%u] xid=#%u",
++ sig, info, t, vx_task_xid(t), t->pid, current->xid);
++ return error;
++ }
++/* skip: */
+ return security_task_kill(t, info, sig, 0);
+ }
+
+@@ -1334,7 +1359,7 @@ int kill_pid_info(int sig, struct siginf
+ rcu_read_lock();
+ retry:
+ p = pid_task(pid, PIDTYPE_PID);
+- if (p) {
++ if (p && vx_check(vx_task_xid(p), VS_IDENT)) {
+ error = group_send_sig_info(sig, info, p);
+ if (unlikely(error == -ESRCH))
+ /*
+@@ -1382,7 +1407,7 @@ int kill_pid_info_as_cred(int sig, struc
+
+ rcu_read_lock();
+ p = pid_task(pid, PIDTYPE_PID);
+- if (!p) {
++ if (!p || !vx_check(vx_task_xid(p), VS_IDENT)) {
+ ret = -ESRCH;
+ goto out_unlock;
+ }
+@@ -1434,8 +1459,10 @@ static int kill_something_info(int sig,
+ struct task_struct * p;
+
+ for_each_process(p) {
+- if (task_pid_vnr(p) > 1 &&
+- !same_thread_group(p, current)) {
++ if (vx_check(vx_task_xid(p), VS_ADMIN|VS_IDENT) &&
++ task_pid_vnr(p) > 1 &&
++ !same_thread_group(p, current) &&
++ !vx_current_initpid(p->pid)) {
+ int err = group_send_sig_info(sig, info, p);
+ ++count;
+ if (err != -EPERM)
+@@ -2288,6 +2315,11 @@ relock:
+ !sig_kernel_only(signr))
+ continue;
+
++ /* virtual init is protected against user signals */
++ if ((ksig->info.si_code == SI_USER) &&
++ vx_current_initpid(current->pid))
++ continue;
+
-+static inline
-+void __vxm_task(struct task_struct *p, int type)
-+{
-+ struct _vx_mon_entry *entry = vxm_advance(task_cpu(p));
+ if (sig_kernel_stop(signr)) {
+ /*
+ * The default action is to stop all threads in
+diff -NurpP --minimal linux-3.18.5/kernel/softirq.c linux-3.18.5-vs2.3.7.3/kernel/softirq.c
+--- linux-3.18.5/kernel/softirq.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/softirq.c 2015-01-19 11:09:03.000000000 +0000
+@@ -26,6 +26,7 @@
+ #include <linux/smpboot.h>
+ #include <linux/tick.h>
+ #include <linux/irq.h>
++#include <linux/vs_context.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/irq.h>
+diff -NurpP --minimal linux-3.18.5/kernel/sys.c linux-3.18.5-vs2.3.7.3/kernel/sys.c
+--- linux-3.18.5/kernel/sys.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/sys.c 2015-01-19 11:17:00.000000000 +0000
+@@ -54,6 +54,7 @@
+ #include <linux/cred.h>
+
+ #include <linux/kmsg_dump.h>
++#include <linux/vs_pid.h>
+ /* Move somewhere else to avoid recompiling? */
+ #include <generated/utsrelease.h>
+
+@@ -145,7 +146,10 @@ static int set_one_prio(struct task_stru
+ goto out;
+ }
+ if (niceval < task_nice(p) && !can_nice(p, niceval)) {
+- error = -EACCES;
++ if (vx_flags(VXF_IGNEG_NICE, 0))
++ error = 0;
++ else
++ error = -EACCES;
+ goto out;
+ }
+ no_nice = security_task_setnice(p, niceval);
+@@ -196,6 +200,8 @@ SYSCALL_DEFINE3(setpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ error = set_one_prio(p, niceval, error);
+ } while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
+ break;
+@@ -262,6 +268,8 @@ SYSCALL_DEFINE2(getpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ niceval = nice_to_rlimit(task_nice(p));
+ if (niceval > retval)
+ retval = niceval;
+@@ -278,6 +286,8 @@ SYSCALL_DEFINE2(getpriority, int, which,
+ goto out_unlock; /* No processes for this user */
+ }
+ do_each_thread(g, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ if (uid_eq(task_uid(p), uid)) {
+ niceval = nice_to_rlimit(task_nice(p));
+ if (niceval > retval)
+@@ -1202,7 +1212,8 @@ SYSCALL_DEFINE2(sethostname, char __user
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+
+ if (len < 0 || len > __NEW_UTS_LEN)
+@@ -1253,7 +1264,8 @@ SYSCALL_DEFINE2(setdomainname, char __us
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+ if (len < 0 || len > __NEW_UTS_LEN)
+ return -EINVAL;
+@@ -1371,7 +1383,7 @@ int do_prlimit(struct task_struct *tsk,
+ /* Keep the capable check against init_user_ns until
+ cgroups can contain all limits */
+ if (new_rlim->rlim_max > rlim->rlim_max &&
+- !capable(CAP_SYS_RESOURCE))
++ !vx_capable(CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ retval = -EPERM;
+ if (!retval)
+ retval = security_task_setrlimit(tsk->group_leader,
+@@ -1424,7 +1436,8 @@ static int check_prlimit_permission(stru
+ gid_eq(cred->gid, tcred->sgid) &&
+ gid_eq(cred->gid, tcred->gid))
+ return 0;
+- if (ns_capable(tcred->user_ns, CAP_SYS_RESOURCE))
++ if (vx_ns_capable(tcred->user_ns,
++ CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ return 0;
+
+ return -EPERM;
+diff -NurpP --minimal linux-3.18.5/kernel/sysctl.c linux-3.18.5-vs2.3.7.3/kernel/sysctl.c
+--- linux-3.18.5/kernel/sysctl.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/sysctl.c 2015-02-02 01:19:02.000000000 +0000
+@@ -84,6 +84,7 @@
+ #if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT)
+ #include <linux/lockdep.h>
+ #endif
++extern char vshelper_path[];
+ #ifdef CONFIG_CHR_DEV_SG
+ #include <scsi/sg.h>
+ #endif
+@@ -278,6 +279,13 @@ static int max_extfrag_threshold = 1000;
+
+ static struct ctl_table kern_table[] = {
+ {
++ .procname = "vshelper",
++ .data = &vshelper_path,
++ .maxlen = 256,
++ .mode = 0644,
++ .proc_handler = proc_dostring,
++ },
++ {
+ .procname = "sched_child_runs_first",
+ .data = &sysctl_sched_child_runs_first,
+ .maxlen = sizeof(unsigned int),
+@@ -1300,7 +1308,6 @@ static struct ctl_table vm_table[] = {
+ .extra1 = &min_extfrag_threshold,
+ .extra2 = &max_extfrag_threshold,
+ },
+-
+ #endif /* CONFIG_COMPACTION */
+ {
+ .procname = "min_free_kbytes",
+diff -NurpP --minimal linux-3.18.5/kernel/sysctl_binary.c linux-3.18.5-vs2.3.7.3/kernel/sysctl_binary.c
+--- linux-3.18.5/kernel/sysctl_binary.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/sysctl_binary.c 2015-01-19 10:58:14.000000000 +0000
+@@ -73,6 +73,7 @@ static const struct bin_table bin_kern_t
+
+ { CTL_INT, KERN_PANIC, "panic" },
+ { CTL_INT, KERN_REALROOTDEV, "real-root-dev" },
++ { CTL_STR, KERN_VSHELPER, "vshelper" },
+
+ { CTL_STR, KERN_SPARC_REBOOT, "reboot-cmd" },
+ { CTL_INT, KERN_CTLALTDEL, "ctrl-alt-del" },
+diff -NurpP --minimal linux-3.18.5/kernel/time/posix-timers.c linux-3.18.5-vs2.3.7.3/kernel/time/posix-timers.c
+--- linux-3.18.5/kernel/time/posix-timers.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/time/posix-timers.c 2015-01-19 13:01:37.000000000 +0000
+@@ -48,6 +48,7 @@
+ #include <linux/workqueue.h>
+ #include <linux/export.h>
+ #include <linux/hashtable.h>
++#include <linux/vs_context.h>
+
+ #include "timekeeping.h"
+
+@@ -400,6 +401,7 @@ int posix_timer_event(struct k_itimer *t
+ {
+ struct task_struct *task;
+ int shared, ret = -1;
+
-+ __vxm_basic(entry, p->xid, type);
-+ entry->ev.tsk.pid = p->pid;
-+ entry->ev.tsk.state = p->state;
-+}
+ /*
+ * FIXME: if ->sigq is queued we can race with
+ * dequeue_signal()->do_schedule_next_timer().
+@@ -416,10 +418,18 @@ int posix_timer_event(struct k_itimer *t
+ rcu_read_lock();
+ task = pid_task(timr->it_pid, PIDTYPE_PID);
+ if (task) {
++ struct vx_info_save vxis;
++ struct vx_info *vxi;
++
++ vxi = get_vx_info(task->vx_info);
++ enter_vx_info(vxi, &vxis);
+ shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
+ ret = send_sigqueue(timr->sigq, task, shared);
++ leave_vx_info(&vxis);
++ put_vx_info(vxi);
+ }
+ rcu_read_unlock();
+
-+static inline
-+void __vxm_sched(struct _vx_sched_pc *s, struct vx_info *vxi, int cpu)
+ /* If we failed to send the signal the timer stops. */
+ return ret > 0;
+ }
+diff -NurpP --minimal linux-3.18.5/kernel/time/time.c linux-3.18.5-vs2.3.7.3/kernel/time/time.c
+--- linux-3.18.5/kernel/time/time.c 2015-02-05 18:02:46.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/time/time.c 2015-02-05 18:08:00.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/fs.h>
+ #include <linux/math64.h>
+ #include <linux/ptrace.h>
++#include <linux/vs_time.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+@@ -93,7 +94,7 @@ SYSCALL_DEFINE1(stime, time_t __user *,
+ if (err)
+ return err;
+
+- do_settimeofday(&tv);
++ vx_settimeofday(&tv);
+ return 0;
+ }
+
+@@ -182,7 +183,7 @@ int do_sys_settimeofday(const struct tim
+ }
+ }
+ if (tv)
+- return do_settimeofday(tv);
++ return vx_settimeofday(tv);
+ return 0;
+ }
+
+diff -NurpP --minimal linux-3.18.5/kernel/time/timekeeping.c linux-3.18.5-vs2.3.7.3/kernel/time/timekeeping.c
+--- linux-3.18.5/kernel/time/timekeeping.c 2015-01-16 22:19:28.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/time/timekeeping.c 2015-01-19 11:18:21.000000000 +0000
+@@ -23,6 +23,7 @@
+ #include <linux/stop_machine.h>
+ #include <linux/pvclock_gtod.h>
+ #include <linux/compiler.h>
++#include <linux/vs_time.h>
+
+ #include "tick-internal.h"
+ #include "ntp_internal.h"
+@@ -680,7 +681,9 @@ void getnstime_raw_and_real(struct times
+ } while (read_seqcount_retry(&tk_core.seq, seq));
+
+ timespec_add_ns(ts_raw, nsecs_raw);
++ vx_adjust_timespec(ts_raw);
+ timespec_add_ns(ts_real, nsecs_real);
++ vx_adjust_timespec(ts_real);
+ }
+ EXPORT_SYMBOL(getnstime_raw_and_real);
+
+diff -NurpP --minimal linux-3.18.5/kernel/time/timer.c linux-3.18.5-vs2.3.7.3/kernel/time/timer.c
+--- linux-3.18.5/kernel/time/timer.c 2015-01-17 02:40:23.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/time/timer.c 2015-01-19 13:02:42.000000000 +0000
+@@ -42,6 +42,10 @@
+ #include <linux/sched/sysctl.h>
+ #include <linux/slab.h>
+ #include <linux/compat.h>
++#include <linux/vs_base.h>
++#include <linux/vs_cvirt.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/sched.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+diff -NurpP --minimal linux-3.18.5/kernel/user_namespace.c linux-3.18.5-vs2.3.7.3/kernel/user_namespace.c
+--- linux-3.18.5/kernel/user_namespace.c 2015-02-05 18:02:46.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/user_namespace.c 2015-01-25 18:29:17.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/ctype.h>
+ #include <linux/projid.h>
+ #include <linux/fs_struct.h>
++#include <linux/vserver/global.h>
+
+ static struct kmem_cache *user_ns_cachep __read_mostly;
+ static DEFINE_MUTEX(userns_state_mutex);
+@@ -95,6 +96,7 @@ int create_user_ns(struct cred *new)
+
+ atomic_set(&ns->count, 1);
+ /* Leave the new->user_ns reference with the new user namespace. */
++ atomic_inc(&vs_global_user_ns);
+ ns->parent = parent_ns;
+ ns->level = parent_ns->level + 1;
+ ns->owner = owner;
+@@ -356,6 +358,18 @@ gid_t from_kgid_munged(struct user_names
+ }
+ EXPORT_SYMBOL(from_kgid_munged);
+
++ktag_t make_ktag(struct user_namespace *from, vtag_t tag)
+{
-+ struct _vx_mon_entry *entry = vxm_advance(cpu);
-+
-+ __vxm_basic(entry, vxi->vx_id, (VXM_SCHED | s->flags));
-+ entry->sd.tokens = s->tokens;
-+ entry->sd.norm_time = s->norm_time;
-+ entry->sd.idle_time = s->idle_time;
++ return KTAGT_INIT(tag);
+}
++EXPORT_SYMBOL(make_ktag);
+
-+static inline
-+void __vxm_rqinfo1(struct rq *q, int cpu)
++vtag_t from_ktag(struct user_namespace *to, ktag_t tag)
+{
-+ struct _vx_mon_entry *entry = vxm_advance(cpu);
-+
-+ entry->type = VXM_RQINFO_1;
-+ entry->xid = ((unsigned long)q >> 16) & 0xffff;
-+ entry->q1.running = q->nr_running;
-+ entry->q1.onhold = HARDCPU(q->nr_onhold);
-+ entry->q1.iowait = atomic_read(&q->nr_iowait);
-+ entry->q1.uintr = q->nr_uninterruptible;
-+ entry->q1.idle_tokens = IDLETIME(q->idle_tokens);
++ return __ktag_val(tag);
+}
++EXPORT_SYMBOL(from_ktag);
+
-+static inline
-+void __vxm_rqinfo2(struct rq *q, int cpu)
-+{
-+ struct _vx_mon_entry *entry = vxm_advance(cpu);
-+
-+ entry->type = VXM_RQINFO_2;
-+ entry->xid = (unsigned long)q & 0xffff;
-+ entry->q2.norm_time = q->norm_time;
-+ entry->q2.idle_time = q->idle_time;
-+ entry->q2.idle_skip = IDLETIME(q->idle_skip);
-+}
+ /**
+ * make_kprojid - Map a user-namespace projid pair into a kprojid.
+ * @ns: User namespace that the projid is in
+@@ -956,6 +970,8 @@ static void *userns_get(struct task_stru
+
+ static void userns_put(void *ns)
+ {
++ /* FIXME: maybe move into destroyer? */
++ atomic_dec(&vs_global_user_ns);
+ put_user_ns(ns);
+ }
+
+diff -NurpP --minimal linux-3.18.5/kernel/utsname.c linux-3.18.5-vs2.3.7.3/kernel/utsname.c
+--- linux-3.18.5/kernel/utsname.c 2015-01-16 22:19:28.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/utsname.c 2015-01-19 10:58:31.000000000 +0000
+@@ -16,14 +16,17 @@
+ #include <linux/slab.h>
+ #include <linux/user_namespace.h>
+ #include <linux/proc_ns.h>
++#include <linux/vserver/global.h>
+
+ static struct uts_namespace *create_uts_ns(void)
+ {
+ struct uts_namespace *uts_ns;
+
+ uts_ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
+- if (uts_ns)
++ if (uts_ns) {
+ kref_init(&uts_ns->kref);
++ atomic_inc(&vs_global_uts_ns);
++ }
+ return uts_ns;
+ }
+
+@@ -85,6 +88,7 @@ void free_uts_ns(struct kref *kref)
+ ns = container_of(kref, struct uts_namespace, kref);
+ put_user_ns(ns->user_ns);
+ proc_free_inum(ns->proc_inum);
++ atomic_dec(&vs_global_uts_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/Kconfig linux-3.18.5-vs2.3.7.3/kernel/vserver/Kconfig
+--- linux-3.18.5/kernel/vserver/Kconfig 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/Kconfig 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,230 @@
++#
++# Linux VServer configuration
++#
+
-+static inline
-+void __vxm_update(struct _vx_sched_pc *s, struct vx_info *vxi, int cpu)
-+{
-+ struct _vx_mon_entry *entry = vxm_advance(cpu);
++menu "Linux VServer"
+
-+ __vxm_basic(entry, vxi->vx_id, VXM_UPDATE);
-+ entry->ev.tokens = s->tokens;
-+}
++config VSERVER_AUTO_LBACK
++ bool "Automatically Assign Loopback IP"
++ default y
++ help
++ Automatically assign a guest specific loopback
++ IP and add it to the kernel network stack on
++ startup.
+
-+static inline
-+void __vxm_update1(struct _vx_sched_pc *s, struct vx_info *vxi, int cpu)
-+{
-+ struct _vx_mon_entry *entry = vxm_advance(cpu);
++config VSERVER_AUTO_SINGLE
++ bool "Automatic Single IP Special Casing"
++ default n
++ help
++ This allows network contexts with a single IP to
++ automatically remap 0.0.0.0 bindings to that IP,
++ avoiding further network checks and improving
++ performance.
+
-+ __vxm_basic(entry, vxi->vx_id, VXM_UPDATE_1);
-+ entry->u1.tokens_max = s->tokens_max;
-+ entry->u1.fill_rate = s->fill_rate[0];
-+ entry->u1.interval = s->interval[0];
-+}
++ (note: such guests do not allow to change the ip
++ on the fly and do not show loopback addresses)
+
-+static inline
-+void __vxm_update2(struct _vx_sched_pc *s, struct vx_info *vxi, int cpu)
-+{
-+ struct _vx_mon_entry *entry = vxm_advance(cpu);
++config VSERVER_COWBL
++ bool "Enable COW Immutable Link Breaking"
++ default y
++ help
++ This enables the COW (Copy-On-Write) link break code.
++ It allows you to treat unified files like normal files
++ when writing to them (which will implicitely break the
++ link and create a copy of the unified file)
+
-+ __vxm_basic(entry, vxi->vx_id, VXM_UPDATE_2);
-+ entry->u2.tokens_min = s->tokens_min;
-+ entry->u2.fill_rate = s->fill_rate[1];
-+ entry->u2.interval = s->interval[1];
-+}
++config VSERVER_VTIME
++ bool "Enable Virtualized Guest Time (EXPERIMENTAL)"
++ default n
++ help
++ This enables per guest time offsets to allow for
++ adjusting the system clock individually per guest.
++ this adds some overhead to the time functions and
++ therefore should not be enabled without good reason.
+
++config VSERVER_DEVICE
++ bool "Enable Guest Device Mapping (EXPERIMENTAL)"
++ default n
++ help
++ This enables generic device remapping.
+
-+#define vxm_activate_task(p,q) __vxm_task(p, VXM_ACTIVATE)
-+#define vxm_activate_idle(p,q) __vxm_task(p, VXM_IDLE)
-+#define vxm_deactivate_task(p,q) __vxm_task(p, VXM_DEACTIVATE)
-+#define vxm_hold_task(p,q) __vxm_task(p, VXM_HOLD)
-+#define vxm_unhold_task(p,q) __vxm_task(p, VXM_UNHOLD)
++config VSERVER_PROC_SECURE
++ bool "Enable Proc Security"
++ depends on PROC_FS
++ default y
++ help
++ This configures ProcFS security to initially hide
++ non-process entries for all contexts except the main and
++ spectator context (i.e. for all guests), which is a secure
++ default.
+
-+static inline
-+void vxm_migrate_task(struct task_struct *p, struct rq *rq, int dest)
-+{
-+ __vxm_task(p, VXM_MIGRATE);
-+ __vxm_rqinfo1(rq, task_cpu(p));
-+ __vxm_rqinfo2(rq, task_cpu(p));
-+}
++ (note: on 1.2x the entries were visible by default)
+
-+static inline
-+void vxm_idle_skip(struct rq *rq, int cpu)
-+{
-+ __vxm_rqinfo1(rq, cpu);
-+ __vxm_rqinfo2(rq, cpu);
-+}
++choice
++ prompt "Persistent Inode Tagging"
++ default TAGGING_ID24
++ help
++ This adds persistent context information to filesystems
++ mounted with the tagxid option. Tagging is a requirement
++ for per-context disk limits and per-context quota.
+
-+static inline
-+void vxm_need_resched(struct task_struct *p, int slice, int cpu)
-+{
-+ if (slice)
-+ return;
+
-+ __vxm_task(p, VXM_RESCHED);
-+}
++config TAGGING_NONE
++ bool "Disabled"
++ help
++ do not store per-context information in inodes.
+
-+static inline
-+void vxm_sync(unsigned long now, int cpu)
-+{
-+ if (!CONFIG_VSERVER_MONITOR_SYNC ||
-+ (now % CONFIG_VSERVER_MONITOR_SYNC))
-+ return;
++config TAGGING_UID16
++ bool "UID16/GID32"
++ help
++ reduces UID to 16 bit, but leaves GID at 32 bit.
+
-+ __vxm_sync(cpu);
-+}
++config TAGGING_GID16
++ bool "UID32/GID16"
++ help
++ reduces GID to 16 bit, but leaves UID at 32 bit.
+
-+#define vxm_sched_info(s,v,c) __vxm_sched(s,v,c)
++config TAGGING_ID24
++ bool "UID24/GID24"
++ help
++ uses the upper 8bit from UID and GID for XID tagging
++ which leaves 24bit for UID/GID each, which should be
++ more than sufficient for normal use.
+
-+static inline
-+void vxm_tokens_recalc(struct _vx_sched_pc *s, struct rq *rq,
-+ struct vx_info *vxi, int cpu)
-+{
-+ __vxm_sched(s, vxi, cpu);
-+ __vxm_rqinfo2(rq, cpu);
-+}
++config TAGGING_INTERN
++ bool "UID32/GID32"
++ help
++ this uses otherwise reserved inode fields in the on
++ disk representation, which limits the use to a few
++ filesystems (currently ext2 and ext3)
+
-+static inline
-+void vxm_update_sched(struct _vx_sched_pc *s, struct vx_info *vxi, int cpu)
-+{
-+ __vxm_sched(s, vxi, cpu);
-+ __vxm_update(s, vxi, cpu);
-+ __vxm_update1(s, vxi, cpu);
-+ __vxm_update2(s, vxi, cpu);
-+}
++endchoice
+
-+static inline
-+void vxm_rq_max_min(struct rq *rq, int cpu)
-+{
-+ __vxm_rqinfo1(rq, cpu);
-+ __vxm_rqinfo2(rq, cpu);
-+}
-+
-+#else /* CONFIG_VSERVER_MONITOR */
-+
-+#define vxm_activate_task(t,q) do { } while (0)
-+#define vxm_activate_idle(t,q) do { } while (0)
-+#define vxm_deactivate_task(t,q) do { } while (0)
-+#define vxm_hold_task(t,q) do { } while (0)
-+#define vxm_unhold_task(t,q) do { } while (0)
-+#define vxm_migrate_task(t,q,d) do { } while (0)
-+#define vxm_idle_skip(q,c) do { } while (0)
-+#define vxm_need_resched(t,s,c) do { } while (0)
-+#define vxm_sync(s,c) do { } while (0)
-+#define vxm_sched_info(s,v,c) do { } while (0)
-+#define vxm_tokens_recalc(s,q,v,c) do { } while (0)
-+#define vxm_update_sched(s,v,c) do { } while (0)
-+#define vxm_rq_max_min(q,c) do { } while (0)
-+
-+#endif /* CONFIG_VSERVER_MONITOR */
-+
-diff -NurpP --minimal linux-2.6.27.33/kernel/signal.c linux-2.6.27.33-vs2.3.0.36.6/kernel/signal.c
---- linux-2.6.27.33/kernel/signal.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/signal.c 2009-09-13 16:19:24.000000000 +0200
-@@ -27,6 +27,8 @@
- #include <linux/freezer.h>
- #include <linux/pid_namespace.h>
- #include <linux/nsproxy.h>
-+#include <linux/vs_context.h>
-+#include <linux/vs_pid.h>
-
- #include <asm/param.h>
- #include <asm/uaccess.h>
-@@ -571,6 +573,14 @@ static int check_kill_permission(int sig
- if (!valid_signal(sig))
- return -EINVAL;
-
-+ if ((info != SEND_SIG_NOINFO) &&
-+ (is_si_special(info) || !SI_FROMUSER(info)))
-+ goto skip;
++config TAG_NFSD
++ bool "Tag NFSD User Auth and Files"
++ default n
++ help
++ Enable this if you do want the in-kernel NFS
++ Server to use the tagging specified above.
++ (will require patched clients too)
+
-+ vxdprintk(VXD_CBIT(misc, 7),
-+ "check_kill_permission(%d,%p,%p[#%u,%u])",
-+ sig, info, t, vx_task_xid(t), t->pid);
++config VSERVER_PRIVACY
++ bool "Honor Privacy Aspects of Guests"
++ default n
++ help
++ When enabled, most context checks will disallow
++ access to structures assigned to a specific context,
++ like ptys or loop devices.
+
- if (info != SEND_SIG_NOINFO && (is_si_special(info) || SI_FROMKERNEL(info)))
- return 0;
-
-@@ -595,6 +605,18 @@ static int check_kill_permission(int sig
- }
- }
-
-+ error = -EPERM;
-+ if (t->pid == 1 && current->xid)
-+ return error;
++config VSERVER_CONTEXTS
++ int "Maximum number of Contexts (1-65533)" if EMBEDDED
++ range 1 65533
++ default "768" if 64BIT
++ default "256"
++ help
++ This setting will optimize certain data structures
++ and memory allocations according to the expected
++ maximum.
+
-+ error = -ESRCH;
-+ if (!vx_check(vx_task_xid(t), VS_WATCH_P | VS_IDENT)) {
-+ vxdprintk(current->xid || VXD_CBIT(misc, 7),
-+ "signal %d[%p] xid mismatch %p[#%u,%u] xid=#%u",
-+ sig, info, t, vx_task_xid(t), t->pid, current->xid);
-+ return error;
-+ }
-+skip:
- return security_task_kill(t, info, sig, 0);
- }
-
-@@ -1051,7 +1073,7 @@ int kill_pid_info(int sig, struct siginf
- rcu_read_lock();
- retry:
- p = pid_task(pid, PIDTYPE_PID);
-- if (p) {
-+ if (p && vx_check(vx_task_xid(p), VS_ADMIN | VS_IDENT)) {
- error = group_send_sig_info(sig, info, p);
- if (unlikely(error == -ESRCH))
- /*
-@@ -1089,7 +1111,7 @@ int kill_pid_info_as_uid(int sig, struct
-
- read_lock(&tasklist_lock);
- p = pid_task(pid, PIDTYPE_PID);
-- if (!p) {
-+ if (!p || !vx_check(vx_task_xid(p), VS_IDENT)) {
- ret = -ESRCH;
- goto out_unlock;
- }
-@@ -1141,8 +1163,10 @@ static int kill_something_info(int sig,
- struct task_struct * p;
-
- for_each_process(p) {
-- if (task_pid_vnr(p) > 1 &&
-- !same_thread_group(p, current)) {
-+ if (vx_check(vx_task_xid(p), VS_ADMIN|VS_IDENT) &&
-+ task_pid_vnr(p) > 1 &&
-+ !same_thread_group(p, current) &&
-+ !vx_current_initpid(p->pid)) {
- int err = group_send_sig_info(sig, info, p);
- ++count;
- if (err != -EPERM)
-@@ -1823,6 +1847,11 @@ relock:
- !signal_group_exit(signal))
- continue;
-
-+ /* virtual init is protected against user signals */
-+ if ((info->si_code == SI_USER) &&
-+ vx_current_initpid(current->pid))
-+ continue;
++ note: this is not a strict upper limit.
+
- if (sig_kernel_stop(signr)) {
- /*
- * The default action is to stop all threads in
-diff -NurpP --minimal linux-2.6.27.33/kernel/softirq.c linux-2.6.27.33-vs2.3.0.36.6/kernel/softirq.c
---- linux-2.6.27.33/kernel/softirq.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/softirq.c 2008-10-13 14:54:20.000000000 +0200
-@@ -21,6 +21,7 @@
- #include <linux/rcupdate.h>
- #include <linux/smp.h>
- #include <linux/tick.h>
-+#include <linux/vs_context.h>
-
- #include <asm/irq.h>
- /*
-diff -NurpP --minimal linux-2.6.27.33/kernel/sys.c linux-2.6.27.33-vs2.3.0.36.6/kernel/sys.c
---- linux-2.6.27.33/kernel/sys.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/sys.c 2009-02-03 17:59:04.000000000 +0100
-@@ -38,6 +38,7 @@
- #include <linux/syscalls.h>
- #include <linux/kprobes.h>
- #include <linux/user_namespace.h>
-+#include <linux/vs_pid.h>
-
- #include <asm/uaccess.h>
- #include <asm/io.h>
-@@ -122,7 +123,10 @@ static int set_one_prio(struct task_stru
- goto out;
- }
- if (niceval < task_nice(p) && !can_nice(p, niceval)) {
-- error = -EACCES;
-+ if (vx_flags(VXF_IGNEG_NICE, 0))
-+ error = 0;
-+ else
-+ error = -EACCES;
- goto out;
- }
- no_nice = security_task_setnice(p, niceval);
-@@ -170,6 +174,8 @@ SYSCALL_DEFINE3(setpriority, int, which,
- else
- pgrp = task_pgrp(current);
- do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
-+ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
-+ continue;
- error = set_one_prio(p, niceval, error);
- } while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
- break;
-@@ -230,6 +236,8 @@ SYSCALL_DEFINE2(getpriority, int, which,
- else
- pgrp = task_pgrp(current);
- do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
-+ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
-+ continue;
- niceval = 20 - task_nice(p);
- if (niceval > retval)
- retval = niceval;
-@@ -339,6 +347,9 @@ void kernel_power_off(void)
- machine_power_off();
- }
- EXPORT_SYMBOL_GPL(kernel_power_off);
++config VSERVER_WARN
++ bool "VServer Warnings"
++ default y
++ help
++ This enables various runtime warnings, which will
++ notify about potential manipulation attempts or
++ resource shortage. It is generally considered to
++ be a good idea to have that enabled.
+
-+long vs_reboot(unsigned int, void __user *);
++config VSERVER_WARN_DEVPTS
++ bool "VServer DevPTS Warnings"
++ depends on VSERVER_WARN
++ default y
++ help
++ This enables DevPTS related warnings, issued when a
++ process inside a context tries to lookup or access
++ a dynamic pts from the host or a different context.
+
- /*
- * Reboot system call: for obvious reasons only root may call it,
- * and even root needs to set up some magic numbers in the registers
-@@ -370,6 +381,9 @@ SYSCALL_DEFINE4(reboot, int, magic1, int
- if ((cmd == LINUX_REBOOT_CMD_POWER_OFF) && !pm_power_off)
- cmd = LINUX_REBOOT_CMD_HALT;
-
-+ if (!vx_check(0, VS_ADMIN|VS_WATCH))
-+ return vs_reboot(cmd, arg);
++config VSERVER_DEBUG
++ bool "VServer Debugging Code"
++ default n
++ help
++ Set this to yes if you want to be able to activate
++ debugging output at runtime. It adds a very small
++ overhead to all vserver related functions and
++ increases the kernel size by about 20k.
+
- lock_kernel();
- switch (cmd) {
- case LINUX_REBOOT_CMD_RESTART:
-@@ -1345,7 +1359,7 @@ SYSCALL_DEFINE2(sethostname, char __user
- int errno;
- char tmp[__NEW_UTS_LEN];
-
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SET_UTSNAME))
- return -EPERM;
- if (len < 0 || len > __NEW_UTS_LEN)
- return -EINVAL;
-@@ -1390,7 +1404,7 @@ SYSCALL_DEFINE2(setdomainname, char __us
- int errno;
- char tmp[__NEW_UTS_LEN];
-
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SET_UTSNAME))
- return -EPERM;
- if (len < 0 || len > __NEW_UTS_LEN)
- return -EINVAL;
-@@ -1458,7 +1472,7 @@ SYSCALL_DEFINE2(setrlimit, unsigned int,
- return -EINVAL;
- old_rlim = current->signal->rlim + resource;
- if ((new_rlim.rlim_max > old_rlim->rlim_max) &&
-- !capable(CAP_SYS_RESOURCE))
-+ !vx_capable(CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
- return -EPERM;
- if (resource == RLIMIT_NOFILE && new_rlim.rlim_max > sysctl_nr_open)
- return -EPERM;
-diff -NurpP --minimal linux-2.6.27.33/kernel/sysctl.c linux-2.6.27.33-vs2.3.0.36.6/kernel/sysctl.c
---- linux-2.6.27.33/kernel/sysctl.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/sysctl.c 2009-07-21 15:54:27.000000000 +0200
-@@ -114,6 +114,7 @@ static int ngroups_max = NGROUPS_MAX;
- #ifdef CONFIG_MODULES
- extern char modprobe_path[];
- #endif
-+extern char vshelper_path[];
- #ifdef CONFIG_CHR_DEV_SG
- extern int sg_big_buff;
- #endif
-@@ -503,6 +504,15 @@ static struct ctl_table kern_table[] = {
- .strategy = &sysctl_string,
- },
- #endif
-+ {
-+ .ctl_name = KERN_VSHELPER,
-+ .procname = "vshelper",
-+ .data = &vshelper_path,
-+ .maxlen = 256,
-+ .mode = 0644,
-+ .proc_handler = &proc_dostring,
-+ .strategy = &sysctl_string,
-+ },
- #ifdef CONFIG_CHR_DEV_SG
- {
- .ctl_name = KERN_SG_BIG_BUFF,
-diff -NurpP --minimal linux-2.6.27.33/kernel/sysctl_check.c linux-2.6.27.33-vs2.3.0.36.6/kernel/sysctl_check.c
---- linux-2.6.27.33/kernel/sysctl_check.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/sysctl_check.c 2008-10-13 14:54:20.000000000 +0200
-@@ -39,6 +39,7 @@ static const struct trans_ctl_table tran
-
- { KERN_PANIC, "panic" },
- { KERN_REALROOTDEV, "real-root-dev" },
-+ { KERN_VSHELPER, "vshelper", },
-
- { KERN_SPARC_REBOOT, "reboot-cmd" },
- { KERN_CTLALTDEL, "ctrl-alt-del" },
-@@ -1217,6 +1218,22 @@ static const struct trans_ctl_table tran
- {}
- };
-
-+static struct trans_ctl_table trans_vserver_table[] = {
-+ { 1, "debug_switch" },
-+ { 2, "debug_xid" },
-+ { 3, "debug_nid" },
-+ { 4, "debug_tag" },
-+ { 5, "debug_net" },
-+ { 6, "debug_limit" },
-+ { 7, "debug_cres" },
-+ { 8, "debug_dlim" },
-+ { 9, "debug_quota" },
-+ { 10, "debug_cvirt" },
-+ { 11, "debug_space" },
-+ { 12, "debug_misc" },
-+ {}
-+};
++config VSERVER_HISTORY
++ bool "VServer History Tracing"
++ depends on VSERVER_DEBUG
++ default n
++ help
++ Set this to yes if you want to record the history of
++ linux-vserver activities, so they can be replayed in
++ the event of a kernel panic or oops.
+
- static const struct trans_ctl_table trans_root_table[] = {
- { CTL_KERN, "kernel", trans_kern_table },
- { CTL_VM, "vm", trans_vm_table },
-@@ -1233,6 +1250,7 @@ static const struct trans_ctl_table tran
- { CTL_SUNRPC, "sunrpc", trans_sunrpc_table },
- { CTL_PM, "pm", trans_pm_table },
- { CTL_FRV, "frv", trans_frv_table },
-+ { CTL_VSERVER, "vserver", trans_vserver_table },
- {}
- };
-
-diff -NurpP --minimal linux-2.6.27.33/kernel/time.c linux-2.6.27.33-vs2.3.0.36.6/kernel/time.c
---- linux-2.6.27.33/kernel/time.c 2009-09-13 16:17:00.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/time.c 2009-02-03 17:59:04.000000000 +0100
-@@ -62,6 +62,7 @@ EXPORT_SYMBOL(sys_tz);
- SYSCALL_DEFINE1(time, time_t __user *, tloc)
- {
- time_t i = get_seconds();
-+/* FIXME: do_gettimeofday(&tv) -> vx_gettimeofday(&tv) */
-
- if (tloc) {
- if (put_user(i,tloc))
-@@ -91,7 +92,7 @@ SYSCALL_DEFINE1(stime, time_t __user *,
- if (err)
- return err;
-
-- do_settimeofday(&tv);
-+ vx_settimeofday(&tv);
- return 0;
- }
-
-@@ -102,7 +103,7 @@ SYSCALL_DEFINE2(gettimeofday, struct tim
- {
- if (likely(tv != NULL)) {
- struct timeval ktv;
-- do_gettimeofday(&ktv);
-+ vx_gettimeofday(&ktv);
- if (copy_to_user(tv, &ktv, sizeof(ktv)))
- return -EFAULT;
- }
-@@ -177,7 +178,7 @@ int do_sys_settimeofday(struct timespec
- /* SMP safe, again the code in arch/foo/time.c should
- * globally block out interrupts when it runs.
- */
-- return do_settimeofday(tv);
-+ return vx_settimeofday(tv);
- }
- return 0;
- }
-@@ -309,7 +310,7 @@ void getnstimeofday(struct timespec *tv)
- {
- struct timeval x;
-
-- do_gettimeofday(&x);
-+ vx_gettimeofday(&x);
- tv->tv_sec = x.tv_sec;
- tv->tv_nsec = x.tv_usec * NSEC_PER_USEC;
- }
-diff -NurpP --minimal linux-2.6.27.33/kernel/timer.c linux-2.6.27.33-vs2.3.0.36.6/kernel/timer.c
---- linux-2.6.27.33/kernel/timer.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/timer.c 2009-03-09 15:36:36.000000000 +0100
-@@ -37,6 +37,10 @@
- #include <linux/delay.h>
- #include <linux/tick.h>
- #include <linux/kallsyms.h>
-+#include <linux/vs_base.h>
-+#include <linux/vs_cvirt.h>
-+#include <linux/vs_pid.h>
-+#include <linux/vserver/sched.h>
-
- #include <asm/uaccess.h>
- #include <asm/unistd.h>
-@@ -964,6 +968,25 @@ void account_process_tick(struct task_st
- }
- #endif
-
-+static inline
-+void __vx_consume_token(struct _vx_sched_pc *sched_pc)
-+{
-+ sched_pc->tokens--;
-+}
++config VSERVER_HISTORY_SIZE
++ int "Per-CPU History Size (32-65536)"
++ depends on VSERVER_HISTORY
++ range 32 65536
++ default 64
++ help
++ This allows you to specify the number of entries in
++ the per-CPU history buffer.
+
-+static inline
-+void vx_hard_tick(struct task_struct *p, int cpu)
-+{
-+ struct vx_info *vxi = p->vx_info;
++config VSERVER_EXTRA_MNT_CHECK
++ bool "Extra Checks for Reachability"
++ default n
++ help
++ Set this to yes if you want to do extra checks for
++ vfsmount reachability in the proc filesystem code.
++ This shouldn't be required on any setup utilizing
++ mnt namespaces.
+
-+ if (vx_info_flags(vxi, VXF_SCHED_HARD|VXF_SCHED_PRIO, 0)) {
-+ struct _vx_sched_pc *sched_pc =
-+ &vx_per_cpu(vxi, sched_pc, cpu);
++choice
++ prompt "Quotes used in debug and warn messages"
++ default QUOTES_ISO8859
+
-+ __vx_consume_token(sched_pc);
-+ }
-+}
++config QUOTES_ISO8859
++ bool "Extended ASCII (ISO 8859) angle quotes"
++ help
++ This uses the extended ASCII characters \xbb
++ and \xab for quoting file and process names.
+
- /*
- * Called from the timer interrupt handler to charge one tick to the current
- * process. user_tick is 1 if the tick is user time, 0 for system.
-@@ -979,6 +1002,7 @@ void update_process_times(int user_tick)
- if (rcu_pending(cpu))
- rcu_check_callbacks(cpu, user_tick);
- scheduler_tick();
-+ vx_hard_tick(p, cpu);
- run_posix_cpu_timers(p);
- }
-
-@@ -1081,12 +1105,6 @@ SYSCALL_DEFINE1(alarm, unsigned int, sec
-
- #endif
-
--#ifndef __alpha__
--
--/*
-- * The Alpha uses getxpid, getxuid, and getxgid instead. Maybe this
-- * should be moved into arch/i386 instead?
-- */
-
- /**
- * sys_getpid - return the thread group id of the current process
-@@ -1115,10 +1133,23 @@ SYSCALL_DEFINE0(getppid)
- rcu_read_lock();
- pid = task_tgid_vnr(current->real_parent);
- rcu_read_unlock();
-+ return vx_map_pid(pid);
-+}
-
-- return pid;
-+#ifdef __alpha__
++config QUOTES_UTF8
++ bool "UTF-8 angle quotes"
++ help
++ This uses the the UTF-8 sequences for angle
++ quotes to quote file and process names.
+
-+/*
-+ * The Alpha uses getxpid, getxuid, and getxgid instead.
-+ */
++config QUOTES_ASCII
++ bool "ASCII single quotes"
++ help
++ This uses the ASCII single quote character
++ (\x27) to quote file and process names.
+
-+asmlinkage long do_getxpid(long *ppid)
-+{
-+ *ppid = sys_getppid();
-+ return sys_getpid();
- }
-
-+#else /* _alpha_ */
++endchoice
+
- SYSCALL_DEFINE0(getuid)
- {
- /* Only we change this so SMP safe */
-@@ -1289,6 +1320,8 @@ int do_sysinfo(struct sysinfo *info)
- tp.tv_nsec = tp.tv_nsec - NSEC_PER_SEC;
- tp.tv_sec++;
- }
-+ if (vx_flags(VXF_VIRT_UPTIME, 0))
-+ vx_vsi_uptime(&tp, NULL);
- info->uptime = tp.tv_sec + (tp.tv_nsec ? 1 : 0);
-
- info->loads[0] = avenrun[0] << (SI_LOAD_SHIFT - FSHIFT);
-diff -NurpP --minimal linux-2.6.27.33/kernel/user.c linux-2.6.27.33-vs2.3.0.36.6/kernel/user.c
---- linux-2.6.27.33/kernel/user.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/user.c 2008-10-13 14:54:20.000000000 +0200
-@@ -243,12 +243,15 @@ static struct kobj_type uids_ktype = {
- };
-
- /* create /sys/kernel/uids/<uid>/cpu_share file for this user */
--static int uids_user_create(struct user_struct *up)
-+static int uids_user_create(struct user_namespace *ns, struct user_struct *up)
- {
- struct kobject *kobj = &up->kobj;
-- int error;
-+ int error = 0;
-
- memset(kobj, 0, sizeof(struct kobject));
-+ if (ns != &init_user_ns)
-+ goto done;
++endmenu
+
- kobj->kset = uids_kset;
- error = kobject_init_and_add(kobj, &uids_ktype, NULL, "%d", up->uid);
- if (error) {
-@@ -272,7 +275,7 @@ int __init uids_sysfs_init(void)
- if (!uids_kset)
- return -ENOMEM;
-
-- return uids_user_create(&root_user);
-+ return uids_user_create(NULL, &root_user);
- }
-
- /* work function to remove sysfs directory for a user and free up
-@@ -302,9 +305,11 @@ static void remove_user_sysfs_dir(struct
- if (!remove_user)
- goto done;
-
-- kobject_uevent(&up->kobj, KOBJ_REMOVE);
-- kobject_del(&up->kobj);
-- kobject_put(&up->kobj);
-+ if (up->kobj.name) {
-+ kobject_uevent(&up->kobj, KOBJ_REMOVE);
-+ kobject_del(&up->kobj);
-+ kobject_put(&up->kobj);
-+ }
-
- sched_destroy_user(up);
- key_put(up->uid_keyring);
-@@ -332,7 +337,8 @@ static inline void free_user(struct user
- #else /* CONFIG_USER_SCHED && CONFIG_SYSFS */
-
- int uids_sysfs_init(void) { return 0; }
--static inline int uids_user_create(struct user_struct *up) { return 0; }
-+static inline int uids_user_create(struct user_namespace *ns,
-+ struct user_struct *up) { return 0; }
- static inline void uids_mutex_lock(void) { }
- static inline void uids_mutex_unlock(void) { }
-
-@@ -409,7 +415,7 @@ struct user_struct *alloc_uid(struct use
- if (sched_create_user(new) < 0)
- goto out_free_user;
-
-- if (uids_user_create(new))
-+ if (uids_user_create(ns, new))
- goto out_destoy_sched;
-
- /*
-diff -NurpP --minimal linux-2.6.27.33/kernel/user_namespace.c linux-2.6.27.33-vs2.3.0.36.6/kernel/user_namespace.c
---- linux-2.6.27.33/kernel/user_namespace.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/user_namespace.c 2008-10-13 14:54:20.000000000 +0200
-@@ -9,6 +9,7 @@
- #include <linux/nsproxy.h>
- #include <linux/slab.h>
- #include <linux/user_namespace.h>
-+#include <linux/vserver/global.h>
-
- /*
- * Clone a new ns copying an original user ns, setting refcount to 1
-@@ -26,6 +27,7 @@ static struct user_namespace *clone_user
- return ERR_PTR(-ENOMEM);
-
- kref_init(&ns->kref);
-+ atomic_inc(&vs_global_user_ns);
-
- for (n = 0; n < UIDHASH_SZ; ++n)
- INIT_HLIST_HEAD(ns->uidhash_table + n);
-@@ -71,6 +73,7 @@ void free_user_ns(struct kref *kref)
-
- ns = container_of(kref, struct user_namespace, kref);
- release_uids(ns);
-+ atomic_dec(&vs_global_user_ns);
- kfree(ns);
- }
- EXPORT_SYMBOL(free_user_ns);
-diff -NurpP --minimal linux-2.6.27.33/kernel/utsname.c linux-2.6.27.33-vs2.3.0.36.6/kernel/utsname.c
---- linux-2.6.27.33/kernel/utsname.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/utsname.c 2008-10-13 14:54:20.000000000 +0200
-@@ -14,6 +14,7 @@
- #include <linux/utsname.h>
- #include <linux/err.h>
- #include <linux/slab.h>
-+#include <linux/vserver/global.h>
-
- /*
- * Clone a new ns copying an original utsname, setting refcount to 1
-@@ -32,6 +33,7 @@ static struct uts_namespace *clone_uts_n
- memcpy(&ns->name, &old_ns->name, sizeof(ns->name));
- up_read(&uts_sem);
- kref_init(&ns->kref);
-+ atomic_inc(&vs_global_uts_ns);
- return ns;
- }
-
-@@ -62,5 +64,6 @@ void free_uts_ns(struct kref *kref)
- struct uts_namespace *ns;
-
- ns = container_of(kref, struct uts_namespace, kref);
-+ atomic_dec(&vs_global_uts_ns);
- kfree(ns);
- }
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/cacct.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cacct.c
---- linux-2.6.27.33/kernel/vserver/cacct.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cacct.c 2008-10-13 14:54:20.000000000 +0200
++
++config VSERVER
++ bool
++ default y
++ select NAMESPACES
++ select UTS_NS
++ select IPC_NS
++# select USER_NS
++ select SYSVIPC
++
++config VSERVER_SECURITY
++ bool
++ depends on SECURITY
++ default y
++ select SECURITY_CAPABILITIES
++
++config VSERVER_DISABLED
++ bool
++ default n
++
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/Makefile linux-3.18.5-vs2.3.7.3/kernel/vserver/Makefile
+--- linux-3.18.5/kernel/vserver/Makefile 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/Makefile 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,18 @@
++#
++# Makefile for the Linux vserver routines.
++#
++
++
++obj-y += vserver.o
++
++vserver-y := switch.o context.o space.o sched.o network.o inode.o \
++ limit.o cvirt.o cacct.o signal.o helper.o init.o \
++ dlimit.o tag.o
++
++vserver-$(CONFIG_INET) += inet.o
++vserver-$(CONFIG_PROC_FS) += proc.o
++vserver-$(CONFIG_VSERVER_DEBUG) += sysctl.o debug.o
++vserver-$(CONFIG_VSERVER_HISTORY) += history.o
++vserver-$(CONFIG_VSERVER_MONITOR) += monitor.o
++vserver-$(CONFIG_VSERVER_DEVICE) += device.o
++
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/cacct.c linux-3.18.5-vs2.3.7.3/kernel/vserver/cacct.c
+--- linux-3.18.5/kernel/vserver/cacct.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/cacct.c 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,42 @@
+/*
+ * linux/kernel/vserver/cacct.c
+ return 0;
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/cacct_init.h linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cacct_init.h
---- linux-2.6.27.33/kernel/vserver/cacct_init.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cacct_init.h 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/cacct_init.h linux-3.18.5-vs2.3.7.3/kernel/vserver/cacct_init.h
+--- linux-3.18.5/kernel/vserver/cacct_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/cacct_init.h 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,25 @@
+
+
+
+ for (i = 0; i < VXA_SOCK_SIZE; i++) {
+ for (j = 0; j < 3; j++) {
-+ atomic_set(&cacct->sock[i][j].count, 0);
-+ atomic_set(&cacct->sock[i][j].total, 0);
++ atomic_long_set(&cacct->sock[i][j].count, 0);
++ atomic_long_set(&cacct->sock[i][j].total, 0);
+ }
+ }
+ for (i = 0; i < 8; i++)
+ return;
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/cacct_proc.h linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cacct_proc.h
---- linux-2.6.27.33/kernel/vserver/cacct_proc.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cacct_proc.h 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/cacct_proc.h linux-3.18.5-vs2.3.7.3/kernel/vserver/cacct_proc.h
+--- linux-3.18.5/kernel/vserver/cacct_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/cacct_proc.h 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,53 @@
+#ifndef _VX_CACCT_PROC_H
+#define _VX_CACCT_PROC_H
+}
+
+#endif /* _VX_CACCT_PROC_H */
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/context.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/context.c
---- linux-2.6.27.33/kernel/vserver/context.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/context.c 2008-10-31 03:56:55.000000000 +0100
-@@ -0,0 +1,1018 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/context.c linux-3.18.5-vs2.3.7.3/kernel/vserver/context.c
+--- linux-3.18.5/kernel/vserver/context.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/context.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,1119 @@
+/*
+ * linux/kernel/vserver/context.c
+ *
+ * Virtual Server: Context Support
+ *
-+ * Copyright (C) 2003-2007 Herbert Pötzl
++ * Copyright (C) 2003-2011 Herbert Pötzl
+ *
+ * V0.01 context helper
+ * V0.02 vx_ctx_kill syscall command
+ * V0.15 added context stat
+ * V0.16 have __create claim() the vxi
+ * V0.17 removed older and legacy stuff
++ * V0.18 added user credentials
++ * V0.19 added warn mask
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/security.h>
+#include <linux/pid_namespace.h>
++#include <linux/capability.h>
+
+#include <linux/vserver/context.h>
+#include <linux/vserver/network.h>
+#include <linux/vserver/limit.h>
+#include <linux/vserver/limit_int.h>
+#include <linux/vserver/space.h>
++#include <linux/init_task.h>
++#include <linux/fs_struct.h>
++#include <linux/cred.h>
+
+#include <linux/vs_context.h>
+#include <linux/vs_limit.h>
+
+static struct hlist_head vx_info_inactive = HLIST_HEAD_INIT;
+
-+static spinlock_t vx_info_inactive_lock = SPIN_LOCK_UNLOCKED;
++static DEFINE_SPINLOCK(vx_info_inactive_lock);
+
+
+/* __alloc_vx_info()
+ * allocate an initialized vx_info struct
+ * doesn't make it visible (hash) */
+
-+static struct vx_info *__alloc_vx_info(xid_t xid)
++static struct vx_info *__alloc_vx_info(vxid_t xid)
+{
+ struct vx_info *new = NULL;
-+ int cpu;
++ int cpu, index;
+
+ vxdprintk(VXD_CBIT(xid, 0), "alloc_vx_info(%d)*", xid);
+
+ }
+
+ new->vx_flags = VXF_INIT_SET;
-+ cap_set_init_eff(new->vx_bcaps);
++ new->vx_bcaps = CAP_FULL_SET; // maybe ~CAP_SETPCAP
+ new->vx_ccaps = 0;
-+ // new->vx_cap_bset = current->cap_bset;
++ new->vx_umask = 0;
++ new->vx_wmask = 0;
+
+ new->reboot_cmd = 0;
+ new->exit_code = 0;
+
++ // preconfig spaces
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &new->space[index];
++
++ // filesystem
++ spin_lock(&init_fs.lock);
++ init_fs.users++;
++ spin_unlock(&init_fs.lock);
++ space->vx_fs = &init_fs;
++
++ /* FIXME: do we want defaults? */
++ // space->vx_real_cred = 0;
++ // space->vx_cred = 0;
++ }
++
++
+ vxdprintk(VXD_CBIT(xid, 0),
+ "alloc_vx_info(%d) = %p", xid, new);
+ vxh_alloc_vx_info(new);
+
+static void __dealloc_vx_info(struct vx_info *vxi)
+{
++#ifdef CONFIG_VSERVER_WARN
+ struct vx_info_save vxis;
+ int cpu;
-+
++#endif
+ vxdprintk(VXD_CBIT(xid, 0),
+ "dealloc_vx_info(%p)", vxi);
+ vxh_dealloc_vx_info(vxi);
+{
+ struct nsproxy *nsproxy;
+ struct fs_struct *fs;
-+ int index;
++ struct cred *cred;
++ int index, kill;
+
+ might_sleep();
+
+ vs_state_change(vxi, VSC_SHUTDOWN);
+
+ for (index = 0; index < VX_SPACES; index++) {
-+ nsproxy = xchg(&vxi->vx_nsproxy[index], NULL);
++ struct _vx_space *space = &vxi->space[index];
++
++ nsproxy = xchg(&space->vx_nsproxy, NULL);
+ if (nsproxy)
+ put_nsproxy(nsproxy);
+
-+ fs = xchg(&vxi->vx_fs[index], NULL);
-+ if (fs)
-+ put_fs_struct(fs);
++ fs = xchg(&space->vx_fs, NULL);
++ spin_lock(&fs->lock);
++ kill = !--fs->users;
++ spin_unlock(&fs->lock);
++ if (kill)
++ free_fs_struct(fs);
++
++ cred = (struct cred *)xchg(&space->vx_cred, NULL);
++ if (cred)
++ abort_creds(cred);
+ }
+}
+
+ /* context shutdown is mandatory */
+ BUG_ON(!vx_info_state(vxi, VXS_SHUTDOWN));
+
-+ /* nsproxy and fs check */
++ /* spaces check */
+ for (index = 0; index < VX_SPACES; index++) {
-+ BUG_ON(vxi->vx_nsproxy[index]);
-+ BUG_ON(vxi->vx_fs[index]);
++ struct _vx_space *space = &vxi->space[index];
++
++ BUG_ON(space->vx_nsproxy);
++ BUG_ON(space->vx_fs);
++ // BUG_ON(space->vx_real_cred);
++ // BUG_ON(space->vx_cred);
+ }
+
+ spin_lock_irqsave(&vx_info_inactive_lock, flags);
+static struct hlist_head vx_info_hash[VX_HASH_SIZE] =
+ { [0 ... VX_HASH_SIZE-1] = HLIST_HEAD_INIT };
+
-+static spinlock_t vx_info_hash_lock = SPIN_LOCK_UNLOCKED;
++static DEFINE_SPINLOCK(vx_info_hash_lock);
+
+
-+static inline unsigned int __hashval(xid_t xid)
++static inline unsigned int __hashval(vxid_t xid)
+{
+ return (xid % VX_HASH_SIZE);
+}
+ * requires the hash_lock to be held
+ * doesn't increment the vx_refcnt */
+
-+static inline struct vx_info *__lookup_vx_info(xid_t xid)
++static inline struct vx_info *__lookup_vx_info(vxid_t xid)
+{
+ struct hlist_head *head = &vx_info_hash[__hashval(xid)];
+ struct hlist_node *pos;
+
+void unhash_vx_info(struct vx_info *vxi)
+{
-+ __shutdown_vx_info(vxi);
+ spin_lock(&vx_info_hash_lock);
+ __unhash_vx_info(vxi);
+ spin_unlock(&vx_info_hash_lock);
++ __shutdown_vx_info(vxi);
+ __wakeup_vx_info(vxi);
+}
+
+ struct vx_info *vxi = NULL;
+
+ if (id < 0) {
-+ vxi = get_vx_info(current->vx_info);
++ vxi = get_vx_info(current_vx_info());
+ } else if (id > 1) {
+ spin_lock(&vx_info_hash_lock);
+ vxi = get_vx_info(__lookup_vx_info(id));
+
+ * verify that xid is still hashed */
+
-+int xid_is_hashed(xid_t xid)
++int xid_is_hashed(vxid_t xid)
+{
+ int hashed;
+
+ /* no rcu_read_lock() because of spin_lock() */
+ spin_lock(&files->file_lock);
+ fdt = files_fdtable(files);
-+ bptr = fdt->open_fds->fds_bits;
++ bptr = fdt->open_fds;
+ count = fdt->max_fds / (sizeof(unsigned long) * 8);
+ for (total = 0; count > 0; count--) {
+ if (*bptr)
+
+ ret = unshare_nsproxy_namespaces(
+ CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER,
-+ &new_nsp, NULL);
++ &new_nsp, NULL, NULL);
+ if (ret)
+ goto out;
+
+int vx_set_reaper(struct vx_info *vxi, struct task_struct *p)
+{
+ struct task_struct *old_reaper;
++ struct vx_info *reaper_vxi;
+
+ if (!vxi)
+ return -EINVAL;
+ if (old_reaper == p)
+ return 0;
+
++ reaper_vxi = task_get_vx_info(p);
++ if (reaper_vxi && reaper_vxi != vxi) {
++ vxwprintk(1,
++ "Unsuitable reaper [" VS_Q("%s") ",%u:#%u] "
++ "for [xid #%u]",
++ p->comm, p->pid, p->xid, vx_current_xid());
++ goto out;
++ }
++
+ /* set new child reaper */
+ get_task_struct(p);
+ vxi->vx_reaper = p;
+ put_task_struct(old_reaper);
++out:
++ put_vx_info(reaper_vxi);
+ return 0;
+}
+
+ vxi, vxi->vx_id, p, p->xid, p->pid, p->tgid);
+
+ vxi->vx_flags &= ~VXF_STATE_INIT;
-+ vxi->vx_initpid = p->tgid;
++ // vxi->vx_initpid = p->tgid;
++ vxi->vx_initpid = p->pid;
+ return 0;
+}
+
+ struct vx_info *vxi = p->vx_info;
+
+ if (vxi) {
-+ if (vxi->vx_initpid == p->tgid)
++ if (vxi->vx_initpid == p->pid)
+ vx_exit_init(vxi, p, code);
+ if (vxi->vx_reaper == p)
+ vx_set_reaper(vxi, init_pid_ns.child_reaper);
+
+int vc_task_xid(uint32_t id)
+{
-+ xid_t xid;
++ vxid_t xid;
+
+ if (id) {
+ struct task_struct *tsk;
+
-+ read_lock(&tasklist_lock);
++ rcu_read_lock();
+ tsk = find_task_by_real_pid(id);
+ xid = (tsk) ? tsk->xid : -ESRCH;
-+ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
+ } else
+ xid = vx_current_xid();
+ return xid;
+ mask = vs_mask_mask(vc_data.mask, vxi->vx_flags, VXF_ONE_TIME);
+ trigger = (mask & vxi->vx_flags) ^ (mask & vc_data.flagword);
+
-+ if (vxi == current->vx_info) {
++ if (vxi == current_vx_info()) {
+ /* if (trigger & VXF_STATE_SETUP)
+ vx_mask_cap_bset(vxi, current); */
+ if (trigger & VXF_STATE_INIT) {
+}
+
+
++int vc_get_umask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_umask vc_data;
++
++ vc_data.umask = vxi->vx_umask;
++ vc_data.mask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_umask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_umask vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_umask = vs_mask_flags(vxi->vx_umask,
++ vc_data.umask, vc_data.mask);
++ return 0;
++}
++
++
++int vc_get_wmask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wmask vc_data;
++
++ vc_data.wmask = vxi->vx_wmask;
++ vc_data.mask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_wmask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wmask vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_wmask = vs_mask_flags(vxi->vx_wmask,
++ vc_data.wmask, vc_data.mask);
++ return 0;
++}
++
++
+int vc_get_badness(struct vx_info *vxi, void __user *data)
+{
+ struct vcmd_badness_v0 vc_data;
+
+EXPORT_SYMBOL_GPL(free_vx_info);
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/cvirt.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cvirt.c
---- linux-2.6.27.33/kernel/vserver/cvirt.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cvirt.c 2008-10-31 03:49:36.000000000 +0100
-@@ -0,0 +1,300 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/cvirt.c linux-3.18.5-vs2.3.7.3/kernel/vserver/cvirt.c
+--- linux-3.18.5/kernel/vserver/cvirt.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/cvirt.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,313 @@
+/*
+ * linux/kernel/vserver/cvirt.c
+ *
+#include <asm/uaccess.h>
+
+
++void vx_vsi_boottime(struct timespec *boottime)
++{
++ struct vx_info *vxi = current_vx_info();
++
++ set_normalized_timespec(boottime,
++ boottime->tv_sec + vxi->cvirt.bias_uptime.tv_sec,
++ boottime->tv_nsec + vxi->cvirt.bias_uptime.tv_nsec);
++ return;
++}
++
+void vx_vsi_uptime(struct timespec *uptime, struct timespec *idle)
+{
-+ struct vx_info *vxi = current->vx_info;
++ struct vx_info *vxi = current_vx_info();
+
+ set_normalized_timespec(uptime,
+ uptime->tv_sec - vxi->cvirt.bias_uptime.tv_sec,
+{
+ int error = 0;
+ int do_clear = 0;
-+ struct vx_info *vxi = current->vx_info;
++ struct vx_info *vxi = current_vx_info();
+ struct _vx_syslog *log;
+
+ if (!vxi)
+ if (id == VHIN_CONTEXT)
+ return vxi->vx_name;
+
-+ nsproxy = vxi->vx_nsproxy[0];
++ nsproxy = vxi->space[0].vx_nsproxy;
+ if (!nsproxy)
+ return NULL;
+
+ uptime.tv_sec - cvirt->bias_uptime.tv_sec,
+ uptime.tv_nsec - cvirt->bias_uptime.tv_nsec);
+
-+ vc_data.offset = timeval_to_ns(&cvirt->bias_tv);
++ vc_data.offset = timespec_to_ns(&cvirt->bias_ts);
+ vc_data.uptime = timespec_to_ns(&uptime);
+ vc_data.nr_threads = atomic_read(&cvirt->nr_threads);
+ vc_data.nr_running = atomic_read(&cvirt->nr_running);
+
+/* virtualized time base */
+
-+void vx_gettimeofday(struct timeval *tv)
++void vx_adjust_timespec(struct timespec *ts)
+{
-+ do_gettimeofday(tv);
++ struct vx_info *vxi;
++
+ if (!vx_flags(VXF_VIRT_TIME, 0))
+ return;
+
-+ tv->tv_sec += current->vx_info->cvirt.bias_tv.tv_sec;
-+ tv->tv_usec += current->vx_info->cvirt.bias_tv.tv_usec;
++ vxi = current_vx_info();
++ ts->tv_sec += vxi->cvirt.bias_ts.tv_sec;
++ ts->tv_nsec += vxi->cvirt.bias_ts.tv_nsec;
+
-+ if (tv->tv_usec >= USEC_PER_SEC) {
-+ tv->tv_sec++;
-+ tv->tv_usec -= USEC_PER_SEC;
-+ } else if (tv->tv_usec < 0) {
-+ tv->tv_sec--;
-+ tv->tv_usec += USEC_PER_SEC;
++ if (ts->tv_nsec >= NSEC_PER_SEC) {
++ ts->tv_sec++;
++ ts->tv_nsec -= NSEC_PER_SEC;
++ } else if (ts->tv_nsec < 0) {
++ ts->tv_sec--;
++ ts->tv_nsec += NSEC_PER_SEC;
+ }
+}
+
-+int vx_settimeofday(struct timespec *ts)
++int vx_settimeofday(const struct timespec *ts)
+{
-+ struct timeval tv;
++ struct timespec ats, delta;
++ struct vx_info *vxi;
+
+ if (!vx_flags(VXF_VIRT_TIME, 0))
+ return do_settimeofday(ts);
+
-+ do_gettimeofday(&tv);
-+ current->vx_info->cvirt.bias_tv.tv_sec =
-+ ts->tv_sec - tv.tv_sec;
-+ current->vx_info->cvirt.bias_tv.tv_usec =
-+ (ts->tv_nsec/NSEC_PER_USEC) - tv.tv_usec;
++ getnstimeofday(&ats);
++ delta = timespec_sub(*ts, ats);
++
++ vxi = current_vx_info();
++ vxi->cvirt.bias_ts = timespec_add(vxi->cvirt.bias_ts, delta);
+ return 0;
+}
+
+#endif
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/cvirt_init.h linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cvirt_init.h
---- linux-2.6.27.33/kernel/vserver/cvirt_init.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cvirt_init.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,69 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/cvirt_init.h linux-3.18.5-vs2.3.7.3/kernel/vserver/cvirt_init.h
+--- linux-3.18.5/kernel/vserver/cvirt_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/cvirt_init.h 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,70 @@
+
+
+extern uint64_t vx_idle_jiffies(void);
+ nsuptime = (unsigned long long)cvirt->bias_uptime.tv_sec
+ * NSEC_PER_SEC + cvirt->bias_uptime.tv_nsec;
+ cvirt->bias_clock = nsec_to_clock_t(nsuptime);
-+ cvirt->bias_tv.tv_sec = 0;
-+ cvirt->bias_tv.tv_usec = 0;
++ cvirt->bias_ts.tv_sec = 0;
++ cvirt->bias_ts.tv_nsec = 0;
+
+ jiffies_to_timespec(idle_jiffies, &cvirt->bias_idle);
+ atomic_set(&cvirt->nr_threads, 0);
+
+static inline void vx_info_exit_cvirt(struct _vx_cvirt *cvirt)
+{
++#ifdef CONFIG_VSERVER_WARN
+ int value;
-+
++#endif
+ vxwprintk_xid((value = atomic_read(&cvirt->nr_threads)),
+ "!!! cvirt: %p[nr_threads] = %d on exit.",
+ cvirt, value);
+ return;
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/cvirt_proc.h linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cvirt_proc.h
---- linux-2.6.27.33/kernel/vserver/cvirt_proc.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/cvirt_proc.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,135 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/cvirt_proc.h linux-3.18.5-vs2.3.7.3/kernel/vserver/cvirt_proc.h
+--- linux-3.18.5/kernel/vserver/cvirt_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/cvirt_proc.h 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,123 @@
+#ifndef _VX_CVIRT_PROC_H
+#define _VX_CVIRT_PROC_H
+
+#include <linux/utsname.h>
+#include <linux/ipc.h>
+
++extern int vx_info_mnt_namespace(struct mnt_namespace *, char *);
+
+static inline
+int vx_info_proc_nsproxy(struct nsproxy *nsproxy, char *buffer)
+ struct mnt_namespace *ns;
+ struct uts_namespace *uts;
+ struct ipc_namespace *ipc;
-+ struct path path;
-+ char *pstr, *root;
+ int length = 0;
+
+ if (!nsproxy)
+ if (!ns)
+ goto skip_ns;
+
-+ pstr = kmalloc(PATH_MAX, GFP_KERNEL);
-+ if (!pstr)
-+ goto skip_ns;
++ length += vx_info_mnt_namespace(ns, buffer + length);
+
-+ path.mnt = ns->root;
-+ path.dentry = ns->root->mnt_root;
-+ root = d_path(&path, pstr, PATH_MAX - 2);
-+ length += sprintf(buffer + length,
-+ "Namespace:\t%p [#%u]\n"
-+ "RootPath:\t%s\n",
-+ ns, atomic_read(&ns->count),
-+ root);
-+ kfree(pstr);
+skip_ns:
+
+ uts = nsproxy->uts_ns;
+ length += sprintf(buffer + length,
+ "SEMS:\t\t%d %d %d %d %d\n"
+ "MSG:\t\t%d %d %d\n"
-+ "SHM:\t\t%lu %lu %d %d\n",
++ "SHM:\t\t%lu %lu %d %ld\n",
+ ipc->sem_ctls[0], ipc->sem_ctls[1],
+ ipc->sem_ctls[2], ipc->sem_ctls[3],
+ ipc->used_sems,
+}
+
+#endif /* _VX_CVIRT_PROC_H */
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/debug.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/debug.c
---- linux-2.6.27.33/kernel/vserver/debug.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/debug.c 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/debug.c linux-3.18.5-vs2.3.7.3/kernel/vserver/debug.c
+--- linux-3.18.5/kernel/vserver/debug.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/debug.c 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,32 @@
+/*
+ * kernel/vserver/debug.c
+
+EXPORT_SYMBOL_GPL(dump_vx_info);
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/device.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/device.c
---- linux-2.6.27.33/kernel/vserver/device.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/device.c 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/device.c linux-3.18.5-vs2.3.7.3/kernel/vserver/device.c
+--- linux-3.18.5/kernel/vserver/device.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/device.c 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,443 @@
+/*
+ * linux/kernel/vserver/device.c
+ } u;
+#define dm_hlist u.hlist
+#define dm_list u.list
-+ xid_t xid;
++ vxid_t xid;
+ dev_t device;
+ struct vx_dmap_target target;
+};
+
+static struct hlist_head dmap_main_hash[1 << DMAP_HASH_BITS];
+
-+static spinlock_t dmap_main_hash_lock = SPIN_LOCK_UNLOCKED;
++static DEFINE_SPINLOCK(dmap_main_hash_lock);
+
+static struct vx_dmap_target dmap_defaults[2] = {
+ { .flags = DATTR_OPEN },
+ *
+ * caller must hold hash_lock
+ */
-+static inline int __find_mapping(xid_t xid, dev_t device, umode_t mode,
++static inline int __find_mapping(vxid_t xid, dev_t device, umode_t mode,
+ struct vs_mapping **local, struct vs_mapping **global)
+{
+ struct hlist_head *hash = dmap_main_hash;
+ struct vs_mapping *vdm, *global;
+ struct vx_dmap_target *vdmt;
+ int ret = 0;
-+ xid_t xid = vxi->vx_id;
++ vxid_t xid = vxi->vx_id;
+ int index;
+
+ spin_lock(hash_lock);
+#endif /* CONFIG_COMPAT */
+
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/dlimit.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/dlimit.c
---- linux-2.6.27.33/kernel/vserver/dlimit.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/dlimit.c 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,522 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/dlimit.c linux-3.18.5-vs2.3.7.3/kernel/vserver/dlimit.c
+--- linux-3.18.5/kernel/vserver/dlimit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/dlimit.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,528 @@
+/*
+ * linux/kernel/vserver/dlimit.c
+ *
+ * Virtual Server: Context Disk Limits
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2009 Herbert Pötzl
+ *
+ * V0.01 initial version
+ * V0.02 compat32 splitup
++ * V0.03 extended interface
+ *
+ */
+
+#include <linux/vs_tag.h>
+#include <linux/vs_dlimit.h>
+#include <linux/vserver/dlimit_cmd.h>
++#include <linux/slab.h>
++// #include <linux/gfp.h>
+
+#include <asm/uaccess.h>
+
+ * allocate an initialized dl_info struct
+ * doesn't make it visible (hash) */
+
-+static struct dl_info *__alloc_dl_info(struct super_block *sb, tag_t tag)
++static struct dl_info *__alloc_dl_info(struct super_block *sb, vtag_t tag)
+{
+ struct dl_info *new = NULL;
+
+ memset(new, 0, sizeof(struct dl_info));
+ new->dl_tag = tag;
+ new->dl_sb = sb;
-+ INIT_RCU_HEAD(&new->dl_rcu);
++ // INIT_RCU_HEAD(&new->dl_rcu);
+ INIT_HLIST_NODE(&new->dl_hlist);
+ spin_lock_init(&new->dl_lock);
+ atomic_set(&new->dl_refcnt, 0);
+
+struct hlist_head dl_info_hash[DL_HASH_SIZE];
+
-+static spinlock_t dl_info_hash_lock = SPIN_LOCK_UNLOCKED;
++static DEFINE_SPINLOCK(dl_info_hash_lock);
+
+
-+static inline unsigned int __hashval(struct super_block *sb, tag_t tag)
++static inline unsigned int __hashval(struct super_block *sb, vtag_t tag)
+{
+ return ((tag ^ (unsigned long)sb) % DL_HASH_SIZE);
+}
+ * requires the rcu_read_lock()
+ * doesn't increment the dl_refcnt */
+
-+static inline struct dl_info *__lookup_dl_info(struct super_block *sb, tag_t tag)
++static inline struct dl_info *__lookup_dl_info(struct super_block *sb, vtag_t tag)
+{
+ struct hlist_head *head = &dl_info_hash[__hashval(sb, tag)];
-+ struct hlist_node *pos;
+ struct dl_info *dli;
+
-+ hlist_for_each_entry_rcu(dli, pos, head, dl_hlist) {
-+
-+ if (dli->dl_tag == tag && dli->dl_sb == sb) {
++ hlist_for_each_entry_rcu(dli, head, dl_hlist) {
++ if (dli->dl_tag == tag && dli->dl_sb == sb)
+ return dli;
-+ }
+ }
+ return NULL;
+}
+
+
-+struct dl_info *locate_dl_info(struct super_block *sb, tag_t tag)
++struct dl_info *locate_dl_info(struct super_block *sb, vtag_t tag)
+{
+ struct dl_info *dli;
+
+ goto out_release;
+ if (!(sb = path.dentry->d_inode->i_sb))
+ goto out_release;
++
++ /* sanity checks */
+ if ((reserved != CDLIM_KEEP &&
+ reserved > 100) ||
+ (inodes_used != CDLIM_KEEP &&
+ dli->dl_inodes_used = inodes_used;
+ if (inodes_total != CDLIM_KEEP)
+ dli->dl_inodes_total = inodes_total;
-+ if (space_used != CDLIM_KEEP) {
-+ dli->dl_space_used = space_used;
-+ dli->dl_space_used <<= 10;
-+ }
++ if (space_used != CDLIM_KEEP)
++ dli->dl_space_used = dlimit_space_32to64(
++ space_used, flags, DLIMS_USED);
++
+ if (space_total == CDLIM_INFINITY)
+ dli->dl_space_total = DLIM_INFINITY;
-+ else if (space_total != CDLIM_KEEP) {
-+ dli->dl_space_total = space_total;
-+ dli->dl_space_total <<= 10;
-+ }
++ else if (space_total != CDLIM_KEEP)
++ dli->dl_space_total = dlimit_space_32to64(
++ space_total, flags, DLIMS_TOTAL);
++
+ if (reserved != CDLIM_KEEP)
+ dli->dl_nrlmult = (1 << 10) * (100 - reserved) / 100;
+
+ spin_lock(&dli->dl_lock);
+ *inodes_used = dli->dl_inodes_used;
+ *inodes_total = dli->dl_inodes_total;
-+ *space_used = dli->dl_space_used >> 10;
++
++ *space_used = dlimit_space_64to32(
++ dli->dl_space_used, flags, DLIMS_USED);
++
+ if (dli->dl_space_total == DLIM_INFINITY)
+ *space_total = CDLIM_INFINITY;
+ else
-+ *space_total = dli->dl_space_total >> 10;
++ *space_total = dlimit_space_64to32(
++ dli->dl_space_total, flags, DLIMS_TOTAL);
+
+ *reserved = 100 - ((dli->dl_nrlmult * 100 + 512) >> 10);
+ spin_unlock(&dli->dl_lock);
+EXPORT_SYMBOL_GPL(locate_dl_info);
+EXPORT_SYMBOL_GPL(rcu_free_dl_info);
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/helper.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/helper.c
---- linux-2.6.27.33/kernel/vserver/helper.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/helper.c 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,199 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/helper.c linux-3.18.5-vs2.3.7.3/kernel/vserver/helper.c
+--- linux-3.18.5/kernel/vserver/helper.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/helper.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,242 @@
+/*
+ * linux/kernel/vserver/helper.c
+ *
+
+char vshelper_path[255] = "/sbin/vshelper";
+
++static int vshelper_init(struct subprocess_info *info, struct cred *new_cred)
++{
++ current->flags &= ~PF_NO_SETAFFINITY;
++ return 0;
++}
++
++static int vs_call_usermodehelper(char *path, char **argv, char **envp, int wait)
++{
++ struct subprocess_info *info;
++ gfp_t gfp_mask = (wait == UMH_NO_WAIT) ? GFP_ATOMIC : GFP_KERNEL;
++
++ info = call_usermodehelper_setup(path, argv, envp, gfp_mask,
++ vshelper_init, NULL, NULL);
++ if (info == NULL)
++ return -ENOMEM;
++
++ return call_usermodehelper_exec(info, wait);
++}
+
+static int do_vshelper(char *name, char *argv[], char *envp[], int sync)
+{
+ int ret;
+
-+ if ((ret = call_usermodehelper(name, argv, envp, sync))) {
-+ printk( KERN_WARNING
-+ "%s: (%s %s) returned %s with %d\n",
++ if ((ret = vs_call_usermodehelper(name, argv, envp,
++ sync ? UMH_WAIT_PROC : UMH_WAIT_EXEC))) {
++ printk(KERN_WARNING "%s: (%s %s) returned %s with %d\n",
+ name, argv[1], argv[2],
+ sync ? "sync" : "async", ret);
+ }
+ return -EAGAIN;
+ vxi->vx_state |= VXS_HELPER;
+
-+ snprintf(id_buf, sizeof(id_buf)-1, "%d", vxi->vx_id);
++ snprintf(id_buf, sizeof(id_buf), "%d", vxi->vx_id);
+
-+ snprintf(cmd_buf, sizeof(cmd_buf)-1, "VS_CMD=%08x", cmd);
-+ snprintf(uid_buf, sizeof(uid_buf)-1, "VS_UID=%d", current->uid);
-+ snprintf(pid_buf, sizeof(pid_buf)-1, "VS_PID=%d", current->pid);
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++ snprintf(uid_buf, sizeof(uid_buf), "VS_UID=%d",
++ from_kuid(&init_user_ns, current_uid()));
++ snprintf(pid_buf, sizeof(pid_buf), "VS_PID=%d", current->pid);
+
+ switch (cmd) {
+ case LINUX_REBOOT_CMD_RESTART:
+ argv[1] = "swsusp";
+ break;
+
++ case LINUX_REBOOT_CMD_OOM:
++ argv[1] = "oom";
++ break;
++
+ default:
+ vxi->vx_state &= ~VXS_HELPER;
+ return 0;
+
+long vs_reboot(unsigned int cmd, void __user *arg)
+{
-+ struct vx_info *vxi = current->vx_info;
++ struct vx_info *vxi = current_vx_info();
+ long ret = 0;
+
+ vxdprintk(VXD_CBIT(misc, 5),
-+ "vs_reboot(%p[#%d],%d)",
++ "vs_reboot(%p[#%d],%u)",
+ vxi, vxi ? vxi->vx_id : 0, cmd);
+
+ ret = vs_reboot_helper(vxi, cmd, arg);
+ return 0;
+}
+
++long vs_oom_action(unsigned int cmd)
++{
++ struct vx_info *vxi = current_vx_info();
++ long ret = 0;
++
++ vxdprintk(VXD_CBIT(misc, 5),
++ "vs_oom_action(%p[#%d],%u)",
++ vxi, vxi ? vxi->vx_id : 0, cmd);
++
++ ret = vs_reboot_helper(vxi, cmd, NULL);
++ if (ret)
++ return ret;
++
++ vxi->reboot_cmd = cmd;
++ if (vx_info_flags(vxi, VXF_REBOOT_KILL, 0)) {
++ vx_info_kill(vxi, 0, SIGKILL);
++ vx_info_kill(vxi, 1, SIGKILL);
++ }
++ return 0;
++}
+
+/*
+ * argv [0] = vshelper_path;
+ if (!vx_info_flags(vxi, VXF_SC_HELPER, 0))
+ return 0;
+
-+ snprintf(id_buf, sizeof(id_buf)-1, "%d", vxi->vx_id);
-+ snprintf(cmd_buf, sizeof(cmd_buf)-1, "VS_CMD=%08x", cmd);
++ snprintf(id_buf, sizeof(id_buf), "%d", vxi->vx_id);
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
+
+ switch (cmd) {
+ case VSC_STARTUP:
+ if (!nx_info_flags(nxi, NXF_SC_HELPER, 0))
+ return 0;
+
-+ snprintf(id_buf, sizeof(id_buf)-1, "%d", nxi->nx_id);
-+ snprintf(cmd_buf, sizeof(cmd_buf)-1, "VS_CMD=%08x", cmd);
++ snprintf(id_buf, sizeof(id_buf), "%d", nxi->nx_id);
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
+
+ switch (cmd) {
+ case VSC_NETUP:
+ return do_vshelper(vshelper_path, argv, envp, 1);
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/history.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/history.c
---- linux-2.6.27.33/kernel/vserver/history.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/history.c 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/history.c linux-3.18.5-vs2.3.7.3/kernel/vserver/history.c
+--- linux-3.18.5/kernel/vserver/history.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/history.c 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,258 @@
+/*
+ * kernel/vserver/history.c
+
+#endif /* CONFIG_COMPAT */
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/inet.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/inet.c
---- linux-2.6.27.33/kernel/vserver/inet.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/inet.c 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,225 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/inet.c linux-3.18.5-vs2.3.7.3/kernel/vserver/inet.c
+--- linux-3.18.5/kernel/vserver/inet.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/inet.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,236 @@
+
+#include <linux/in.h>
+#include <linux/inetdevice.h>
++#include <linux/export.h>
+#include <linux/vs_inet.h>
+#include <linux/vs_inet6.h>
+#include <linux/vserver/debug.h>
+ ret = 1;
+ else {
+ struct nx_addr_v4 *ptr;
++ unsigned long irqflags;
+
++ spin_lock_irqsave(&nxi1->addr_lock, irqflags);
+ for (ptr = &nxi1->v4; ptr; ptr = ptr->next) {
+ if (v4_nx_addr_in_nx_info(nxi2, ptr, -1)) {
+ ret = 1;
+ break;
+ }
+ }
++ spin_unlock_irqrestore(&nxi1->addr_lock, irqflags);
+ }
+
+ vxdprintk(VXD_CBIT(net, 2),
+ ret = 1;
+ else {
+ struct nx_addr_v6 *ptr;
++ unsigned long irqflags;
+
++ spin_lock_irqsave(&nxi1->addr_lock, irqflags);
+ for (ptr = &nxi1->v6; ptr; ptr = ptr->next) {
+ if (v6_nx_addr_in_nx_info(nxi2, ptr, -1)) {
+ ret = 1;
+ break;
+ }
+ }
++ spin_unlock_irqrestore(&nxi1->addr_lock, irqflags);
+ }
+
+ vxdprintk(VXD_CBIT(net, 2),
+int v6_dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
+{
+ struct inet6_dev *in_dev;
-+ struct inet6_ifaddr **ifap;
+ struct inet6_ifaddr *ifa;
+ int ret = 0;
+
+ if (!in_dev)
+ goto out;
+
-+ for (ifap = &in_dev->addr_list; (ifa = *ifap) != NULL;
-+ ifap = &ifa->if_next) {
++ // for (ifap = &in_dev->addr_list; (ifa = *ifap) != NULL;
++ list_for_each_entry(ifa, &in_dev->addr_list, if_list) {
+ if (v6_addr_in_nx_info(nxi, &ifa->addr, -1)) {
+ ret = 1;
+ break;
+ return ret;
+}
+
-+int ip_v4_find_src(struct net *net, struct nx_info *nxi,
-+ struct rtable **rp, struct flowi *fl)
++struct rtable *ip_v4_find_src(struct net *net, struct nx_info *nxi,
++ struct flowi4 *fl4)
+{
++ struct rtable *rt;
++
+ if (!nxi)
-+ return 0;
++ return NULL;
+
+ /* FIXME: handle lback only case */
+ if (!NX_IPV4(nxi))
-+ return -EPERM;
++ return ERR_PTR(-EPERM);
+
+ vxdprintk(VXD_CBIT(net, 4),
+ "ip_v4_find_src(%p[#%u]) " NIPQUAD_FMT " -> " NIPQUAD_FMT,
+ nxi, nxi ? nxi->nx_id : 0,
-+ NIPQUAD(fl->fl4_src), NIPQUAD(fl->fl4_dst));
++ NIPQUAD(fl4->saddr), NIPQUAD(fl4->daddr));
+
+ /* single IP is unconditional */
+ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0) &&
-+ (fl->fl4_src == INADDR_ANY))
-+ fl->fl4_src = nxi->v4.ip[0].s_addr;
++ (fl4->saddr == INADDR_ANY))
++ fl4->saddr = nxi->v4.ip[0].s_addr;
+
-+ if (fl->fl4_src == INADDR_ANY) {
++ if (fl4->saddr == INADDR_ANY) {
+ struct nx_addr_v4 *ptr;
+ __be32 found = 0;
-+ int err;
+
-+ err = __ip_route_output_key(net, rp, fl);
-+ if (!err) {
-+ found = (*rp)->rt_src;
-+ ip_rt_put(*rp);
++ rt = __ip_route_output_key(net, fl4);
++ if (!IS_ERR(rt)) {
++ found = fl4->saddr;
++ ip_rt_put(rt);
+ vxdprintk(VXD_CBIT(net, 4),
+ "ip_v4_find_src(%p[#%u]) rok[%u]: " NIPQUAD_FMT,
-+ nxi, nxi ? nxi->nx_id : 0, fl->oif, NIPQUAD(found));
++ nxi, nxi ? nxi->nx_id : 0, fl4->flowi4_oif, NIPQUAD(found));
+ if (v4_addr_in_nx_info(nxi, found, NXA_MASK_BIND))
+ goto found;
+ }
+
++ WARN_ON_ONCE(in_irq());
++ spin_lock_bh(&nxi->addr_lock);
+ for (ptr = &nxi->v4; ptr; ptr = ptr->next) {
+ __be32 primary = ptr->ip[0].s_addr;
+ __be32 mask = ptr->mask.s_addr;
+ if ((found & mask) != neta)
+ continue;
+
-+ fl->fl4_src = primary;
-+ err = __ip_route_output_key(net, rp, fl);
++ fl4->saddr = primary;
++ rt = __ip_route_output_key(net, fl4);
+ vxdprintk(VXD_CBIT(net, 4),
+ "ip_v4_find_src(%p[#%u]) rok[%u]: " NIPQUAD_FMT,
-+ nxi, nxi ? nxi->nx_id : 0, fl->oif, NIPQUAD(primary));
-+ if (!err) {
-+ found = (*rp)->rt_src;
-+ ip_rt_put(*rp);
++ nxi, nxi ? nxi->nx_id : 0, fl4->flowi4_oif, NIPQUAD(primary));
++ if (!IS_ERR(rt)) {
++ found = fl4->saddr;
++ ip_rt_put(rt);
+ if (found == primary)
-+ goto found;
++ goto found_unlock;
+ }
+ }
+ /* still no source ip? */
-+ found = ipv4_is_loopback(fl->fl4_dst)
++ found = ipv4_is_loopback(fl4->daddr)
+ ? IPI_LOOPBACK : nxi->v4.ip[0].s_addr;
++ found_unlock:
++ spin_unlock_bh(&nxi->addr_lock);
+ found:
+ /* assign src ip to flow */
-+ fl->fl4_src = found;
++ fl4->saddr = found;
+
+ } else {
-+ if (!v4_addr_in_nx_info(nxi, fl->fl4_src, NXA_MASK_BIND))
-+ return -EPERM;
++ if (!v4_addr_in_nx_info(nxi, fl4->saddr, NXA_MASK_BIND))
++ return ERR_PTR(-EPERM);
+ }
+
+ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0)) {
-+ if (ipv4_is_loopback(fl->fl4_dst))
-+ fl->fl4_dst = nxi->v4_lback.s_addr;
-+ if (ipv4_is_loopback(fl->fl4_src))
-+ fl->fl4_src = nxi->v4_lback.s_addr;
-+ } else if (ipv4_is_loopback(fl->fl4_dst) &&
++ if (ipv4_is_loopback(fl4->daddr))
++ fl4->daddr = nxi->v4_lback.s_addr;
++ if (ipv4_is_loopback(fl4->saddr))
++ fl4->saddr = nxi->v4_lback.s_addr;
++ } else if (ipv4_is_loopback(fl4->daddr) &&
+ !nx_info_flags(nxi, NXF_LBACK_ALLOW, 0))
-+ return -EPERM;
++ return ERR_PTR(-EPERM);
+
-+ return 0;
++ return NULL;
+}
+
+EXPORT_SYMBOL_GPL(ip_v4_find_src);
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/init.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/init.c
---- linux-2.6.27.33/kernel/vserver/init.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/init.c 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/init.c linux-3.18.5-vs2.3.7.3/kernel/vserver/init.c
+--- linux-3.18.5/kernel/vserver/init.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/init.c 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,45 @@
+/*
+ * linux/kernel/init.c
+module_init(init_vserver);
+module_exit(exit_vserver);
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/inode.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/inode.c
---- linux-2.6.27.33/kernel/vserver/inode.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/inode.c 2008-10-24 03:34:52.000000000 +0200
-@@ -0,0 +1,422 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/inode.c linux-3.18.5-vs2.3.7.3/kernel/vserver/inode.c
+--- linux-3.18.5/kernel/vserver/inode.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/inode.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,440 @@
+/*
+ * linux/kernel/vserver/inode.c
+ *
+#include <linux/mount.h>
+#include <linux/parser.h>
+#include <linux/namei.h>
++#include <linux/magic.h>
++#include <linux/slab.h>
+#include <linux/vserver/inode.h>
+#include <linux/vserver/inode_cmd.h>
+#include <linux/vs_base.h>
+#include <linux/vs_tag.h>
+
+#include <asm/uaccess.h>
++#include <../../fs/proc/internal.h>
+
+
+static int __vc_get_iattr(struct inode *in, uint32_t *tag, uint32_t *flags, uint32_t *mask)
+ return -ESRCH;
+
+ *flags = IATTR_TAG
-+ | (IS_BARRIER(in) ? IATTR_BARRIER : 0)
++ | (IS_IMMUTABLE(in) ? IATTR_IMMUTABLE : 0)
+ | (IS_IXUNLINK(in) ? IATTR_IXUNLINK : 0)
-+ | (IS_IMMUTABLE(in) ? IATTR_IMMUTABLE : 0);
-+ *mask = IATTR_IXUNLINK | IATTR_IMMUTABLE;
++ | (IS_BARRIER(in) ? IATTR_BARRIER : 0)
++ | (IS_COW(in) ? IATTR_COW : 0);
++ *mask = IATTR_IXUNLINK | IATTR_IMMUTABLE | IATTR_COW;
+
+ if (S_ISDIR(in->i_mode))
+ *mask |= IATTR_BARRIER;
+
+ if (IS_TAGGED(in)) {
-+ *tag = in->i_tag;
++ *tag = i_tag_read(in);
+ *mask |= IATTR_TAG;
+ }
+
+ break;
+
+ case DEVPTS_SUPER_MAGIC:
-+ *tag = in->i_tag;
++ *tag = i_tag_read(in);
+ *mask |= IATTR_TAG;
+ break;
+
+
+ mutex_lock(&in->i_mutex);
+ if (*mask & IATTR_TAG) {
-+ attr.ia_tag = *tag;
++ attr.ia_tag = make_ktag(&init_user_ns, *tag);
+ attr.ia_valid |= ATTR_TAG;
+ }
+
+ entry->vx_flags = iflags;
+ }
+
-+ if (*mask & (IATTR_BARRIER | IATTR_IXUNLINK | IATTR_IMMUTABLE)) {
++ if (*mask & (IATTR_IMMUTABLE | IATTR_IXUNLINK |
++ IATTR_BARRIER | IATTR_COW)) {
++ int iflags = in->i_flags;
++ int vflags = in->i_vflags;
++
+ if (*mask & IATTR_IMMUTABLE) {
+ if (*flags & IATTR_IMMUTABLE)
-+ in->i_flags |= S_IMMUTABLE;
++ iflags |= S_IMMUTABLE;
+ else
-+ in->i_flags &= ~S_IMMUTABLE;
++ iflags &= ~S_IMMUTABLE;
+ }
+ if (*mask & IATTR_IXUNLINK) {
+ if (*flags & IATTR_IXUNLINK)
-+ in->i_flags |= S_IXUNLINK;
++ iflags |= S_IXUNLINK;
+ else
-+ in->i_flags &= ~S_IXUNLINK;
++ iflags &= ~S_IXUNLINK;
+ }
+ if (S_ISDIR(in->i_mode) && (*mask & IATTR_BARRIER)) {
+ if (*flags & IATTR_BARRIER)
-+ in->i_vflags |= V_BARRIER;
++ vflags |= V_BARRIER;
++ else
++ vflags &= ~V_BARRIER;
++ }
++ if (S_ISREG(in->i_mode) && (*mask & IATTR_COW)) {
++ if (*flags & IATTR_COW)
++ vflags |= V_COW;
+ else
-+ in->i_vflags &= ~V_BARRIER;
++ vflags &= ~V_COW;
+ }
+ if (in->i_op && in->i_op->sync_flags) {
-+ error = in->i_op->sync_flags(in);
++ error = in->i_op->sync_flags(in, iflags, vflags);
+ if (error)
+ goto out;
+ }
+ error = in->i_op->setattr(de, &attr);
+ else {
+ error = inode_change_ok(in, &attr);
-+ if (!error)
-+ error = inode_setattr(in, &attr);
++ if (!error) {
++ setattr_copy(in, &attr);
++ mark_inode_dirty(in);
++ }
+ }
+ }
+
+ }
+}
+
-+int dx_parse_tag(char *string, tag_t *tag, int remove, int *mnt_flags,
++int dx_parse_tag(char *string, vtag_t *tag, int remove, int *mnt_flags,
+ unsigned long *flags)
+{
+ int set = 0;
+ substring_t args[MAX_OPT_ARGS];
-+ int token, option = 0;
++ int token;
+ char *s, *p, *opts;
++#if defined(CONFIG_PROPAGATE) || defined(CONFIG_VSERVER_DEBUG)
++ int option = 0;
++#endif
+
+ if (!string)
+ return 0;
+ while ((p = strsep(&opts, ",")) != NULL) {
+ token = match_token(p, tokens, args);
+
-+ vxdprintk(VXD_CBIT(tag, 7),
-+ "dx_parse_tag(»%s«): %d:#%d",
-+ p, token, option);
-+
+ switch (token) {
+#ifdef CONFIG_PROPAGATE
+ case Opt_tag:
+ *mnt_flags |= MNT_TAGID;
+ set |= MNT_TAGID;
+ break;
-+#endif
++#endif /* CONFIG_PROPAGATE */
+ case Opt_notagcheck:
+ if (remove)
+ __dx_parse_remove(s, "notagcheck");
+ set |= MS_NOTAGCHECK;
+ break;
+ }
-+ }
-+ if (set)
-+ strcpy(string, s);
-+ kfree(s);
-+ return set;
-+}
-+
-+#ifdef CONFIG_PROPAGATE
-+
-+void __dx_propagate_tag(struct nameidata *nd, struct inode *inode)
-+{
-+ tag_t new_tag = 0;
-+ struct vfsmount *mnt;
-+ int propagate;
-+
-+ if (!nd)
-+ return;
-+ mnt = nd->path.mnt;
-+ if (!mnt)
-+ return;
-+
-+ propagate = (mnt->mnt_flags & MNT_TAGID);
-+ if (propagate)
-+ new_tag = mnt->mnt_tag;
-+
-+ vxdprintk(VXD_CBIT(tag, 7),
-+ "dx_propagate_tag(%p[#%lu.%d]): %d,%d",
-+ inode, inode->i_ino, inode->i_tag,
-+ new_tag, (propagate) ? 1 : 0);
-+
-+ if (propagate)
-+ inode->i_tag = new_tag;
-+}
-+
-+#include <linux/module.h>
-+
-+EXPORT_SYMBOL_GPL(__dx_propagate_tag);
-+
-+#endif /* CONFIG_PROPAGATE */
-+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/Kconfig linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/Kconfig
---- linux-2.6.27.33/kernel/vserver/Kconfig 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,251 @@
-+#
-+# Linux VServer configuration
-+#
-+
-+menu "Linux VServer"
-+
-+config VSERVER_AUTO_LBACK
-+ bool "Automatically Assign Loopback IP"
-+ default y
-+ help
-+ Automatically assign a guest specific loopback
-+ IP and add it to the kernel network stack on
-+ startup.
-+
-+config VSERVER_AUTO_SINGLE
-+ bool "Automatic Single IP Special Casing"
-+ depends on EXPERIMENTAL
-+ default y
-+ help
-+ This allows network contexts with a single IP to
-+ automatically remap 0.0.0.0 bindings to that IP,
-+ avoiding further network checks and improving
-+ performance.
-+
-+ (note: such guests do not allow to change the ip
-+ on the fly and do not show loopback addresses)
-+
-+config VSERVER_COWBL
-+ bool "Enable COW Immutable Link Breaking"
-+ default y
-+ help
-+ This enables the COW (Copy-On-Write) link break code.
-+ It allows you to treat unified files like normal files
-+ when writing to them (which will implicitely break the
-+ link and create a copy of the unified file)
-+
-+config VSERVER_VTIME
-+ bool "Enable Virtualized Guest Time"
-+ depends on EXPERIMENTAL
-+ default n
-+ help
-+ This enables per guest time offsets to allow for
-+ adjusting the system clock individually per guest.
-+ this adds some overhead to the time functions and
-+ therefore should not be enabled without good reason.
-+
-+config VSERVER_DEVICE
-+ bool "Enable Guest Device Mapping"
-+ depends on EXPERIMENTAL
-+ default n
-+ help
-+ This enables generic device remapping.
-+
-+config VSERVER_PROC_SECURE
-+ bool "Enable Proc Security"
-+ depends on PROC_FS
-+ default y
-+ help
-+ This configures ProcFS security to initially hide
-+ non-process entries for all contexts except the main and
-+ spectator context (i.e. for all guests), which is a secure
-+ default.
-+
-+ (note: on 1.2x the entries were visible by default)
-+
-+config VSERVER_HARDCPU
-+ bool "Enable Hard CPU Limits"
-+ default y
-+ help
-+ Activate the Hard CPU Limits
-+
-+ This will compile in code that allows the Token Bucket
-+ Scheduler to put processes on hold when a context's
-+ tokens are depleted (provided that its per-context
-+ sched_hard flag is set).
-+
-+ Processes belonging to that context will not be able
-+ to consume CPU resources again until a per-context
-+ configured minimum of tokens has been reached.
-+
-+config VSERVER_IDLETIME
-+ bool "Avoid idle CPUs by skipping Time"
-+ depends on VSERVER_HARDCPU
-+ default y
-+ help
-+ This option allows the scheduler to artificially
-+ advance time (per cpu) when otherwise the idle
-+ task would be scheduled, thus keeping the cpu
-+ busy and sharing the available resources among
-+ certain contexts.
-+
-+config VSERVER_IDLELIMIT
-+ bool "Limit the IDLE task"
-+ depends on VSERVER_HARDCPU
-+ default n
-+ help
-+ Limit the idle slices, so the the next context
-+ will be scheduled as soon as possible.
-+
-+ This might improve interactivity and latency, but
-+ will also marginally increase scheduling overhead.
-+
-+choice
-+ prompt "Persistent Inode Tagging"
-+ default TAGGING_ID24
-+ help
-+ This adds persistent context information to filesystems
-+ mounted with the tagxid option. Tagging is a requirement
-+ for per-context disk limits and per-context quota.
-+
-+
-+config TAGGING_NONE
-+ bool "Disabled"
-+ help
-+ do not store per-context information in inodes.
-+
-+config TAGGING_UID16
-+ bool "UID16/GID32"
-+ help
-+ reduces UID to 16 bit, but leaves GID at 32 bit.
-+
-+config TAGGING_GID16
-+ bool "UID32/GID16"
-+ help
-+ reduces GID to 16 bit, but leaves UID at 32 bit.
-+
-+config TAGGING_ID24
-+ bool "UID24/GID24"
-+ help
-+ uses the upper 8bit from UID and GID for XID tagging
-+ which leaves 24bit for UID/GID each, which should be
-+ more than sufficient for normal use.
-+
-+config TAGGING_INTERN
-+ bool "UID32/GID32"
-+ help
-+ this uses otherwise reserved inode fields in the on
-+ disk representation, which limits the use to a few
-+ filesystems (currently ext2 and ext3)
-+
-+endchoice
-+
-+config TAG_NFSD
-+ bool "Tag NFSD User Auth and Files"
-+ default n
-+ help
-+ Enable this if you do want the in-kernel NFS
-+ Server to use the tagging specified above.
-+ (will require patched clients too)
-+
-+config VSERVER_PRIVACY
-+ bool "Honor Privacy Aspects of Guests"
-+ default n
-+ help
-+ When enabled, most context checks will disallow
-+ access to structures assigned to a specific context,
-+ like ptys or loop devices.
-+
-+config VSERVER_CONTEXTS
-+ int "Maximum number of Contexts (1-65533)" if EMBEDDED
-+ range 1 65533
-+ default "768" if 64BIT
-+ default "256"
-+ help
-+ This setting will optimize certain data structures
-+ and memory allocations according to the expected
-+ maximum.
-+
-+ note: this is not a strict upper limit.
-+
-+config VSERVER_WARN
-+ bool "VServer Warnings"
-+ default y
-+ help
-+ This enables various runtime warnings, which will
-+ notify about potential manipulation attempts or
-+ resource shortage. It is generally considered to
-+ be a good idea to have that enabled.
-+
-+config VSERVER_DEBUG
-+ bool "VServer Debugging Code"
-+ default n
-+ help
-+ Set this to yes if you want to be able to activate
-+ debugging output at runtime. It adds a very small
-+ overhead to all vserver related functions and
-+ increases the kernel size by about 20k.
-+
-+config VSERVER_HISTORY
-+ bool "VServer History Tracing"
-+ depends on VSERVER_DEBUG
-+ default n
-+ help
-+ Set this to yes if you want to record the history of
-+ linux-vserver activities, so they can be replayed in
-+ the event of a kernel panic or oops.
++ vxdprintk(VXD_CBIT(tag, 7),
++ "dx_parse_tag(" VS_Q("%s") "): %d:#%d",
++ p, token, option);
++ }
++ if (set)
++ strcpy(string, s);
++ kfree(s);
++ return set;
++}
+
-+config VSERVER_HISTORY_SIZE
-+ int "Per-CPU History Size (32-65536)"
-+ depends on VSERVER_HISTORY
-+ range 32 65536
-+ default 64
-+ help
-+ This allows you to specify the number of entries in
-+ the per-CPU history buffer.
++#ifdef CONFIG_PROPAGATE
+
-+config VSERVER_MONITOR
-+ bool "VServer Scheduling Monitor"
-+ depends on VSERVER_DISABLED
-+ default n
-+ help
-+ Set this to yes if you want to record the scheduling
-+ decisions, so that they can be relayed to userspace
-+ for detailed analysis.
++void __dx_propagate_tag(struct nameidata *nd, struct inode *inode)
++{
++ vtag_t new_tag = 0;
++ struct vfsmount *mnt;
++ int propagate;
+
-+config VSERVER_MONITOR_SIZE
-+ int "Per-CPU Monitor Queue Size (32-65536)"
-+ depends on VSERVER_MONITOR
-+ range 32 65536
-+ default 1024
-+ help
-+ This allows you to specify the number of entries in
-+ the per-CPU scheduling monitor buffer.
++ if (!nd)
++ return;
++ mnt = nd->path.mnt;
++ if (!mnt)
++ return;
+
-+config VSERVER_MONITOR_SYNC
-+ int "Per-CPU Monitor Sync Interval (0-65536)"
-+ depends on VSERVER_MONITOR
-+ range 0 65536
-+ default 256
-+ help
-+ This allows you to specify the interval in ticks
-+ when a time sync entry is inserted.
++ propagate = (mnt->mnt_flags & MNT_TAGID);
++ if (propagate)
++ new_tag = mnt->mnt_tag;
+
-+endmenu
++ vxdprintk(VXD_CBIT(tag, 7),
++ "dx_propagate_tag(%p[#%lu.%d]): %d,%d",
++ inode, inode->i_ino, inode->i_tag,
++ new_tag, (propagate) ? 1 : 0);
+
++ if (propagate)
++ i_tag_write(inode, new_tag);
++}
+
-+config VSERVER
-+ bool
-+ default y
-+ select NAMESPACES
-+ select UTS_NS
-+ select IPC_NS
-+ select USER_NS
-+ select SYSVIPC
++#include <linux/module.h>
+
-+config VSERVER_SECURITY
-+ bool
-+ depends on SECURITY
-+ default y
-+ select SECURITY_CAPABILITIES
++EXPORT_SYMBOL_GPL(__dx_propagate_tag);
++
++#endif /* CONFIG_PROPAGATE */
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/limit.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/limit.c
---- linux-2.6.27.33/kernel/vserver/limit.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/limit.c 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,319 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/limit.c linux-3.18.5-vs2.3.7.3/kernel/vserver/limit.c
+--- linux-3.18.5/kernel/vserver/limit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/limit.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,345 @@
+/*
+ * linux/kernel/vserver/limit.c
+ *
+ * Virtual Server: Context Limits
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2010 Herbert Pötzl
+ *
+ * V0.01 broken out from vcontext V0.05
+ * V0.02 changed vcmds to vxi arg
++ * V0.03 added memory cgroup support
+ *
+ */
+
+#include <linux/sched.h>
+#include <linux/module.h>
++#include <linux/memcontrol.h>
++#include <linux/res_counter.h>
+#include <linux/vs_limit.h>
+#include <linux/vserver/limit.h>
+#include <linux/vserver/limit_cmd.h>
+
+const char *vlimit_name[NUM_LIMITS] = {
+ [RLIMIT_CPU] = "CPU",
-+ [RLIMIT_RSS] = "RSS",
+ [RLIMIT_NPROC] = "NPROC",
+ [RLIMIT_NOFILE] = "NOFILE",
-+ [RLIMIT_MEMLOCK] = "VML",
-+ [RLIMIT_AS] = "VM",
+ [RLIMIT_LOCKS] = "LOCKS",
+ [RLIMIT_SIGPENDING] = "SIGP",
+ [RLIMIT_MSGQUEUE] = "MSGQ",
+
+ [VLIMIT_NSOCK] = "NSOCK",
+ [VLIMIT_OPENFD] = "OPENFD",
-+ [VLIMIT_ANON] = "ANON",
+ [VLIMIT_SHMEM] = "SHMEM",
+ [VLIMIT_DENTRY] = "DENTRY",
+};
+ /* minimum */
+ 0
+ , /* softlimit */
-+ MASK_ENTRY( RLIMIT_RSS ) |
-+ MASK_ENTRY( VLIMIT_ANON ) |
+ 0
+ , /* maximum */
-+ MASK_ENTRY( RLIMIT_RSS ) |
+ MASK_ENTRY( RLIMIT_NPROC ) |
+ MASK_ENTRY( RLIMIT_NOFILE ) |
-+ MASK_ENTRY( RLIMIT_MEMLOCK ) |
-+ MASK_ENTRY( RLIMIT_AS ) |
+ MASK_ENTRY( RLIMIT_LOCKS ) |
+ MASK_ENTRY( RLIMIT_MSGQUEUE ) |
+
+ MASK_ENTRY( VLIMIT_NSOCK ) |
+ MASK_ENTRY( VLIMIT_OPENFD ) |
-+ MASK_ENTRY( VLIMIT_ANON ) |
+ MASK_ENTRY( VLIMIT_SHMEM ) |
+ MASK_ENTRY( VLIMIT_DENTRY ) |
+ 0
+}
+
+
++static inline void vx_reset_hits(struct _vx_limit *limit)
++{
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ atomic_set(&__rlim_lhit(limit, lim), 0);
++ }
++}
++
++int vc_reset_hits(struct vx_info *vxi, void __user *data)
++{
++ vx_reset_hits(&vxi->limit);
++ return 0;
++}
++
+static inline void vx_reset_minmax(struct _vx_limit *limit)
+{
+ rlim_t value;
+ }
+}
+
-+
+int vc_reset_minmax(struct vx_info *vxi, void __user *data)
+{
+ vx_reset_minmax(&vxi->limit);
+
+void vx_vsi_meminfo(struct sysinfo *val)
+{
-+ struct vx_info *vxi = current->vx_info;
-+ unsigned long totalram, freeram;
-+ rlim_t v;
++#ifdef CONFIG_MEMCG
++ struct mem_cgroup *mcg;
++ u64 res_limit, res_usage;
+
-+ /* we blindly accept the max */
-+ v = __rlim_soft(&vxi->limit, RLIMIT_RSS);
-+ totalram = (v != RLIM_INFINITY) ? v : val->totalram;
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
++ if (!mcg)
++ goto out;
+
-+ /* total minus used equals free */
-+ v = __vx_cres_array_fixup(&vxi->limit, VLA_RSS);
-+ freeram = (v < totalram) ? totalram - v : 0;
++ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
++ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
+
-+ val->totalram = totalram;
-+ val->freeram = freeram;
++ if (res_limit != RES_COUNTER_MAX)
++ val->totalram = (res_limit >> PAGE_SHIFT);
++ val->freeram = val->totalram - (res_usage >> PAGE_SHIFT);
+ val->bufferram = 0;
+ val->totalhigh = 0;
+ val->freehigh = 0;
++out:
++#endif /* CONFIG_MEMCG */
+ return;
+}
+
+void vx_vsi_swapinfo(struct sysinfo *val)
+{
-+ struct vx_info *vxi = current->vx_info;
-+ unsigned long totalswap, freeswap;
-+ rlim_t v, w;
++#ifdef CONFIG_MEMCG
++#ifdef CONFIG_MEMCG_SWAP
++ struct mem_cgroup *mcg;
++ u64 res_limit, res_usage, memsw_limit, memsw_usage;
++ s64 swap_limit, swap_usage;
+
-+ v = __rlim_soft(&vxi->limit, RLIMIT_RSS);
-+ if (v == RLIM_INFINITY) {
-+ val->freeswap = val->totalswap;
-+ return;
-+ }
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
++ if (!mcg)
++ goto out;
++
++ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
++ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
++ memsw_limit = mem_cgroup_memsw_read_u64(mcg, RES_LIMIT);
++ memsw_usage = mem_cgroup_memsw_read_u64(mcg, RES_USAGE);
+
-+ /* we blindly accept the max */
-+ w = __rlim_hard(&vxi->limit, RLIMIT_RSS);
-+ totalswap = (w != RLIM_INFINITY) ? (w - v) : val->totalswap;
++ /* memory unlimited */
++ if (res_limit == RES_COUNTER_MAX)
++ goto out;
+
-+ /* currently 'used' swap */
-+ w = __vx_cres_array_fixup(&vxi->limit, VLA_RSS);
-+ w -= (w > v) ? v : w;
++ swap_limit = memsw_limit - res_limit;
++ /* we have a swap limit? */
++ if (memsw_limit != RES_COUNTER_MAX)
++ val->totalswap = swap_limit >> PAGE_SHIFT;
+
-+ /* total minus used equals free */
-+ freeswap = (w < totalswap) ? totalswap - w : 0;
++ /* calculate swap part */
++ swap_usage = (memsw_usage > res_usage) ?
++ memsw_usage - res_usage : 0;
+
-+ val->totalswap = totalswap;
-+ val->freeswap = freeswap;
++ /* total shown minus usage gives free swap */
++ val->freeswap = (swap_usage < swap_limit) ?
++ val->totalswap - (swap_usage >> PAGE_SHIFT) : 0;
++out:
++#else /* !CONFIG_MEMCG_SWAP */
++ val->totalswap = 0;
++ val->freeswap = 0;
++#endif /* !CONFIG_MEMCG_SWAP */
++#endif /* CONFIG_MEMCG */
+ return;
+}
+
-+
-+unsigned long vx_badness(struct task_struct *task, struct mm_struct *mm)
++long vx_vsi_cached(struct sysinfo *val)
+{
-+ struct vx_info *vxi = mm->mm_vx_info;
-+ unsigned long points;
-+ rlim_t v, w;
-+
-+ if (!vxi)
-+ return 0;
++ long cache = 0;
++#ifdef CONFIG_MEMCG
++ struct mem_cgroup *mcg;
+
-+ points = vxi->vx_badness_bias;
-+
-+ v = __vx_cres_array_fixup(&vxi->limit, VLA_RSS);
-+ w = __rlim_soft(&vxi->limit, RLIMIT_RSS);
-+ points += (v > w) ? (v - w) : 0;
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
++ if (!mcg)
++ goto out;
+
-+ return points;
++ cache = mem_cgroup_stat_read_cache(mcg);
++out:
++#endif
++ return cache;
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/limit_init.h linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/limit_init.h
---- linux-2.6.27.33/kernel/vserver/limit_init.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/limit_init.h 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/limit_init.h linux-3.18.5-vs2.3.7.3/kernel/vserver/limit_init.h
+--- linux-3.18.5/kernel/vserver/limit_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/limit_init.h 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,31 @@
+
+
+ }
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/limit_proc.h linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/limit_proc.h
---- linux-2.6.27.33/kernel/vserver/limit_proc.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/limit_proc.h 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/limit_proc.h linux-3.18.5-vs2.3.7.3/kernel/vserver/limit_proc.h
+--- linux-3.18.5/kernel/vserver/limit_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/limit_proc.h 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,57 @@
+#ifndef _VX_LIMIT_PROC_H
+#define _VX_LIMIT_PROC_H
+
+
+#define VX_LIMIT_FMT ":\t%8ld\t%8ld/%8ld\t%8lld/%8lld\t%6d\n"
-+#define VX_LIMIT_TOP \
-+ "Limit\t current\t min/max\t\t soft/hard\t\thits\n"
-+
-+#define VX_LIMIT_ARG(r) \
-+ (unsigned long)__rlim_get(limit, r), \
-+ (unsigned long)__rlim_rmin(limit, r), \
-+ (unsigned long)__rlim_rmax(limit, r), \
-+ VX_VLIM(__rlim_soft(limit, r)), \
-+ VX_VLIM(__rlim_hard(limit, r)), \
-+ atomic_read(&__rlim_lhit(limit, r))
-+
-+static inline int vx_info_proc_limit(struct _vx_limit *limit, char *buffer)
-+{
-+ vx_limit_fixup(limit, -1);
-+ return sprintf(buffer, VX_LIMIT_TOP
-+ "PROC" VX_LIMIT_FMT
-+ "VM" VX_LIMIT_FMT
-+ "VML" VX_LIMIT_FMT
-+ "RSS" VX_LIMIT_FMT
-+ "ANON" VX_LIMIT_FMT
-+ "RMAP" VX_LIMIT_FMT
-+ "FILES" VX_LIMIT_FMT
-+ "OFD" VX_LIMIT_FMT
-+ "LOCKS" VX_LIMIT_FMT
-+ "SOCK" VX_LIMIT_FMT
-+ "MSGQ" VX_LIMIT_FMT
-+ "SHM" VX_LIMIT_FMT
-+ "SEMA" VX_LIMIT_FMT
-+ "SEMS" VX_LIMIT_FMT
-+ "DENT" VX_LIMIT_FMT,
-+ VX_LIMIT_ARG(RLIMIT_NPROC),
-+ VX_LIMIT_ARG(RLIMIT_AS),
-+ VX_LIMIT_ARG(RLIMIT_MEMLOCK),
-+ VX_LIMIT_ARG(RLIMIT_RSS),
-+ VX_LIMIT_ARG(VLIMIT_ANON),
-+ VX_LIMIT_ARG(VLIMIT_MAPPED),
-+ VX_LIMIT_ARG(RLIMIT_NOFILE),
-+ VX_LIMIT_ARG(VLIMIT_OPENFD),
-+ VX_LIMIT_ARG(RLIMIT_LOCKS),
-+ VX_LIMIT_ARG(VLIMIT_NSOCK),
-+ VX_LIMIT_ARG(RLIMIT_MSGQUEUE),
-+ VX_LIMIT_ARG(VLIMIT_SHMEM),
-+ VX_LIMIT_ARG(VLIMIT_SEMARY),
-+ VX_LIMIT_ARG(VLIMIT_NSEMS),
-+ VX_LIMIT_ARG(VLIMIT_DENTRY));
-+}
-+
-+#endif /* _VX_LIMIT_PROC_H */
-+
-+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/Makefile linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/Makefile
---- linux-2.6.27.33/kernel/vserver/Makefile 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/Makefile 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,18 @@
-+#
-+# Makefile for the Linux vserver routines.
-+#
-+
-+
-+obj-y += vserver.o
-+
-+vserver-y := switch.o context.o space.o sched.o network.o inode.o \
-+ limit.o cvirt.o cacct.o signal.o helper.o init.o \
-+ dlimit.o tag.o
-+
-+vserver-$(CONFIG_INET) += inet.o
-+vserver-$(CONFIG_PROC_FS) += proc.o
-+vserver-$(CONFIG_VSERVER_DEBUG) += sysctl.o debug.o
-+vserver-$(CONFIG_VSERVER_HISTORY) += history.o
-+vserver-$(CONFIG_VSERVER_MONITOR) += monitor.o
-+vserver-$(CONFIG_VSERVER_DEVICE) += device.o
-+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/monitor.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/monitor.c
---- linux-2.6.27.33/kernel/vserver/monitor.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/monitor.c 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,138 @@
-+/*
-+ * kernel/vserver/monitor.c
-+ *
-+ * Virtual Context Scheduler Monitor
-+ *
-+ * Copyright (C) 2006-2007 Herbert Pötzl
-+ *
-+ * V0.01 basic design
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/jiffies.h>
-+#include <asm/uaccess.h>
-+#include <asm/atomic.h>
-+
-+#include <linux/vserver/monitor.h>
-+#include <linux/vserver/debug_cmd.h>
-+
-+
-+#ifdef CONFIG_VSERVER_MONITOR
-+#define VXM_SIZE CONFIG_VSERVER_MONITOR_SIZE
-+#else
-+#define VXM_SIZE 64
-+#endif
-+
-+struct _vx_monitor {
-+ unsigned int counter;
-+
-+ struct _vx_mon_entry entry[VXM_SIZE+1];
-+};
-+
-+
-+DEFINE_PER_CPU(struct _vx_monitor, vx_monitor_buffer);
-+
-+unsigned volatile int vxm_active = 1;
-+
-+static atomic_t sequence = ATOMIC_INIT(0);
-+
-+
-+/* vxm_advance()
-+
-+ * requires disabled preemption */
-+
-+struct _vx_mon_entry *vxm_advance(int cpu)
-+{
-+ struct _vx_monitor *mon = &per_cpu(vx_monitor_buffer, cpu);
-+ struct _vx_mon_entry *entry;
-+ unsigned int index;
-+
-+ index = vxm_active ? (mon->counter++ % VXM_SIZE) : VXM_SIZE;
-+ entry = &mon->entry[index];
-+
-+ entry->ev.seq = atomic_inc_return(&sequence);
-+ entry->ev.jif = jiffies;
-+ return entry;
-+}
-+
-+EXPORT_SYMBOL_GPL(vxm_advance);
-+
-+
-+int do_read_monitor(struct __user _vx_mon_entry *data,
-+ int cpu, uint32_t *index, uint32_t *count)
-+{
-+ int pos, ret = 0;
-+ struct _vx_monitor *mon = &per_cpu(vx_monitor_buffer, cpu);
-+ int end = mon->counter;
-+ int start = end - VXM_SIZE + 2;
-+ int idx = *index;
-+
-+ /* special case: get current pos */
-+ if (!*count) {
-+ *index = end;
-+ return 0;
-+ }
-+
-+ /* have we lost some data? */
-+ if (idx < start)
-+ idx = start;
-+
-+ for (pos = 0; (pos < *count) && (idx < end); pos++, idx++) {
-+ struct _vx_mon_entry *entry =
-+ &mon->entry[idx % VXM_SIZE];
-+
-+ /* send entry to userspace */
-+ ret = copy_to_user(&data[pos], entry, sizeof(*entry));
-+ if (ret)
-+ break;
-+ }
-+ /* save new index and count */
-+ *index = idx;
-+ *count = pos;
-+ return ret ? ret : (*index < end);
-+}
-+
-+int vc_read_monitor(uint32_t id, void __user *data)
-+{
-+ struct vcmd_read_monitor_v0 vc_data;
-+ int ret;
-+
-+ if (id >= NR_CPUS)
-+ return -EINVAL;
-+
-+ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
-+ return -EFAULT;
-+
-+ ret = do_read_monitor((struct __user _vx_mon_entry *)vc_data.data,
-+ id, &vc_data.index, &vc_data.count);
-+
-+ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
-+ return -EFAULT;
-+ return ret;
-+}
-+
-+#ifdef CONFIG_COMPAT
-+
-+int vc_read_monitor_x32(uint32_t id, void __user *data)
-+{
-+ struct vcmd_read_monitor_v0_x32 vc_data;
-+ int ret;
-+
-+ if (id >= NR_CPUS)
-+ return -EINVAL;
-+
-+ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
-+ return -EFAULT;
++#define VX_LIMIT_TOP \
++ "Limit\t current\t min/max\t\t soft/hard\t\thits\n"
+
-+ ret = do_read_monitor((struct __user _vx_mon_entry *)
-+ compat_ptr(vc_data.data_ptr),
-+ id, &vc_data.index, &vc_data.count);
++#define VX_LIMIT_ARG(r) \
++ (unsigned long)__rlim_get(limit, r), \
++ (unsigned long)__rlim_rmin(limit, r), \
++ (unsigned long)__rlim_rmax(limit, r), \
++ VX_VLIM(__rlim_soft(limit, r)), \
++ VX_VLIM(__rlim_hard(limit, r)), \
++ atomic_read(&__rlim_lhit(limit, r))
+
-+ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
-+ return -EFAULT;
-+ return ret;
++static inline int vx_info_proc_limit(struct _vx_limit *limit, char *buffer)
++{
++ vx_limit_fixup(limit, -1);
++ return sprintf(buffer, VX_LIMIT_TOP
++ "PROC" VX_LIMIT_FMT
++ "VM" VX_LIMIT_FMT
++ "VML" VX_LIMIT_FMT
++ "RSS" VX_LIMIT_FMT
++ "ANON" VX_LIMIT_FMT
++ "RMAP" VX_LIMIT_FMT
++ "FILES" VX_LIMIT_FMT
++ "OFD" VX_LIMIT_FMT
++ "LOCKS" VX_LIMIT_FMT
++ "SOCK" VX_LIMIT_FMT
++ "MSGQ" VX_LIMIT_FMT
++ "SHM" VX_LIMIT_FMT
++ "SEMA" VX_LIMIT_FMT
++ "SEMS" VX_LIMIT_FMT
++ "DENT" VX_LIMIT_FMT,
++ VX_LIMIT_ARG(RLIMIT_NPROC),
++ VX_LIMIT_ARG(RLIMIT_AS),
++ VX_LIMIT_ARG(RLIMIT_MEMLOCK),
++ VX_LIMIT_ARG(RLIMIT_RSS),
++ VX_LIMIT_ARG(VLIMIT_ANON),
++ VX_LIMIT_ARG(VLIMIT_MAPPED),
++ VX_LIMIT_ARG(RLIMIT_NOFILE),
++ VX_LIMIT_ARG(VLIMIT_OPENFD),
++ VX_LIMIT_ARG(RLIMIT_LOCKS),
++ VX_LIMIT_ARG(VLIMIT_NSOCK),
++ VX_LIMIT_ARG(RLIMIT_MSGQUEUE),
++ VX_LIMIT_ARG(VLIMIT_SHMEM),
++ VX_LIMIT_ARG(VLIMIT_SEMARY),
++ VX_LIMIT_ARG(VLIMIT_NSEMS),
++ VX_LIMIT_ARG(VLIMIT_DENTRY));
+}
+
-+#endif /* CONFIG_COMPAT */
++#endif /* _VX_LIMIT_PROC_H */
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/network.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/network.c
---- linux-2.6.27.33/kernel/vserver/network.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/network.c 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,864 @@
++
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/network.c linux-3.18.5-vs2.3.7.3/kernel/vserver/network.c
+--- linux-3.18.5/kernel/vserver/network.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/network.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,1053 @@
+/*
+ * linux/kernel/vserver/network.c
+ *
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/rcupdate.h>
++#include <net/ipv6.h>
+
+#include <linux/vs_network.h>
+#include <linux/vs_pid.h>
+ * allocate an initialized nx_info struct
+ * doesn't make it visible (hash) */
+
-+static struct nx_info *__alloc_nx_info(nid_t nid)
++static struct nx_info *__alloc_nx_info(vnid_t nid)
+{
+ struct nx_info *new = NULL;
+
+ INIT_HLIST_NODE(&new->nx_hlist);
+ atomic_set(&new->nx_usecnt, 0);
+ atomic_set(&new->nx_tasks, 0);
++ spin_lock_init(&new->addr_lock);
+ new->nx_state = 0;
+
+ new->nx_flags = NXF_INIT_SET;
+ BUG_ON(atomic_read(&nxi->nx_tasks));
+
+ __dealloc_nx_addr_v4_all(nxi->v4.next);
++#ifdef CONFIG_IPV6
++ __dealloc_nx_addr_v6_all(nxi->v6.next);
++#endif
+
+ nxi->nx_state |= NXS_RELEASED;
+ kfree(nxi);
+
+struct hlist_head nx_info_hash[NX_HASH_SIZE];
+
-+static spinlock_t nx_info_hash_lock = SPIN_LOCK_UNLOCKED;
++static DEFINE_SPINLOCK(nx_info_hash_lock);
+
+
-+static inline unsigned int __hashval(nid_t nid)
++static inline unsigned int __hashval(vnid_t nid)
+{
+ return (nid % NX_HASH_SIZE);
+}
+ * requires the hash_lock to be held
+ * doesn't increment the nx_refcnt */
+
-+static inline struct nx_info *__lookup_nx_info(nid_t nid)
++static inline struct nx_info *__lookup_nx_info(vnid_t nid)
+{
+ struct hlist_head *head = &nx_info_hash[__hashval(nid)];
+ struct hlist_node *pos;
+ struct nx_info *nxi = NULL;
+
+ if (id < 0) {
-+ nxi = get_nx_info(current->nx_info);
++ nxi = get_nx_info(current_nx_info());
+ } else if (id > 1) {
+ spin_lock(&nx_info_hash_lock);
+ nxi = get_nx_info(__lookup_nx_info(id));
+
+ * verify that nid is still hashed */
+
-+int nid_is_hashed(nid_t nid)
++int nid_is_hashed(vnid_t nid)
+{
+ int hashed;
+
+
+int vc_task_nid(uint32_t id)
+{
-+ nid_t nid;
++ vnid_t nid;
+
+ if (id) {
+ struct task_struct *tsk;
+
-+ read_lock(&tasklist_lock);
++ rcu_read_lock();
+ tsk = find_task_by_real_pid(id);
+ nid = (tsk) ? tsk->nid : -ESRCH;
-+ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
+ } else
+ nid = nx_current_nid();
+ return nid;
+}
+
+
++static inline
++struct nx_addr_v4 *__find_v4_addr(struct nx_info *nxi,
++ __be32 ip, __be32 ip2, __be32 mask, uint16_t type, uint16_t flags,
++ struct nx_addr_v4 **prev)
++{
++ struct nx_addr_v4 *nxa = &nxi->v4;
++
++ for (; nxa; nxa = nxa->next) {
++ if ((nxa->ip[0].s_addr == ip) &&
++ (nxa->ip[1].s_addr == ip2) &&
++ (nxa->mask.s_addr == mask) &&
++ (nxa->type == type) &&
++ (nxa->flags == flags))
++ return nxa;
++
++ /* save previous entry */
++ if (prev)
++ *prev = nxa;
++ }
++ return NULL;
++}
+
+int do_add_v4_addr(struct nx_info *nxi, __be32 ip, __be32 ip2, __be32 mask,
+ uint16_t type, uint16_t flags)
+{
-+ struct nx_addr_v4 *nxa = &nxi->v4;
++ struct nx_addr_v4 *nxa = NULL;
++ struct nx_addr_v4 *new = __alloc_nx_addr_v4();
++ unsigned long irqflags;
++ int ret = -EEXIST;
+
-+ if (NX_IPV4(nxi)) {
-+ /* locate last entry */
-+ for (; nxa->next; nxa = nxa->next);
-+ nxa->next = __alloc_nx_addr_v4();
-+ nxa = nxa->next;
++ if (IS_ERR(new))
++ return PTR_ERR(new);
+
-+ if (IS_ERR(nxa))
-+ return PTR_ERR(nxa);
-+ }
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ if (__find_v4_addr(nxi, ip, ip2, mask, type, flags, &nxa))
++ goto out_unlock;
++
++ if (NX_IPV4(nxi)) {
++ nxa->next = new;
++ nxa = new;
++ new = NULL;
+
-+ if (nxi->v4.next)
+ /* remove single ip for ip list */
+ nxi->nx_flags &= ~NXF_SINGLE_IP;
++ }
+
+ nxa->ip[0].s_addr = ip;
+ nxa->ip[1].s_addr = ip2;
+ nxa->mask.s_addr = mask;
+ nxa->type = type;
+ nxa->flags = flags;
-+ return 0;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ if (new)
++ __dealloc_nx_addr_v4(new);
++ return ret;
++}
++
++int do_remove_v4_addr(struct nx_info *nxi, __be32 ip, __be32 ip2, __be32 mask,
++ uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v4 *nxa = NULL;
++ struct nx_addr_v4 *old = NULL;
++ unsigned long irqflags;
++ int ret = 0;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ switch (type) {
++ case NXA_TYPE_ADDR:
++ old = __find_v4_addr(nxi, ip, ip2, mask, type, flags, &nxa);
++ if (old) {
++ if (nxa) {
++ nxa->next = old->next;
++ old->next = NULL;
++ } else {
++ if (old->next) {
++ nxa = old;
++ old = old->next;
++ *nxa = *old;
++ old->next = NULL;
++ } else {
++ memset(old, 0, sizeof(*old));
++ old = NULL;
++ }
++ }
++ } else
++ ret = -ESRCH;
++ break;
++
++ case NXA_TYPE_ANY:
++ nxa = &nxi->v4;
++ old = nxa->next;
++ memset(nxa, 0, sizeof(*nxa));
++ break;
++
++ default:
++ ret = -EINVAL;
++ }
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ __dealloc_nx_addr_v4_all(old);
++ return ret;
+}
+
+
+
+ switch (vc_data.type) {
+ case NXA_TYPE_ANY:
-+ __dealloc_nx_addr_v4_all(xchg(&nxi->v4.next, NULL));
-+ memset(&nxi->v4, 0, sizeof(nxi->v4));
-+ break;
-+
++ return do_remove_v4_addr(nxi, 0, 0, 0, vc_data.type, 0);
+ default:
+ return -EINVAL;
+ }
+}
+
+
-+int vc_net_add_ipv4(struct nx_info *nxi, void __user *data)
++int vc_net_add_ipv4_v1(struct nx_info *nxi, void __user *data)
+{
+ struct vcmd_net_addr_ipv4_v1 vc_data;
+
+
+ switch (vc_data.type) {
+ case NXA_TYPE_ADDR:
-+ case NXA_TYPE_RANGE:
+ case NXA_TYPE_MASK:
+ return do_add_v4_addr(nxi, vc_data.ip.s_addr, 0,
+ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
+ return 0;
+}
+
-+int vc_net_remove_ipv4(struct nx_info *nxi, void __user *data)
++int vc_net_add_ipv4(struct nx_info *nxi, void __user *data)
+{
-+ struct vcmd_net_addr_ipv4_v1 vc_data;
++ struct vcmd_net_addr_ipv4_v2 vc_data;
+
+ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
+ return -EFAULT;
+
+ switch (vc_data.type) {
-+/* case NXA_TYPE_ADDR:
-+ break; */
++ case NXA_TYPE_ADDR:
++ case NXA_TYPE_MASK:
++ case NXA_TYPE_RANGE:
++ return do_add_v4_addr(nxi, vc_data.ip.s_addr, vc_data.ip2.s_addr,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
+
-+ case NXA_TYPE_ANY:
-+ __dealloc_nx_addr_v4_all(xchg(&nxi->v4.next, NULL));
-+ memset(&nxi->v4, 0, sizeof(nxi->v4));
++ case NXA_TYPE_ADDR | NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip;
++ break;
++
++ case NXA_TYPE_ADDR | NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip;
+ break;
+
+ default:
+ return 0;
+}
+
++int vc_net_rem_ipv4_v1(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_remove_v4_addr(nxi, vc_data.ip.s_addr, 0,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++}
++
++int vc_net_rem_ipv4(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v2 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_remove_v4_addr(nxi, vc_data.ip.s_addr, vc_data.ip2.s_addr,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++}
+
+#ifdef CONFIG_IPV6
+
++static inline
++struct nx_addr_v6 *__find_v6_addr(struct nx_info *nxi,
++ struct in6_addr *ip, struct in6_addr *mask,
++ uint32_t prefix, uint16_t type, uint16_t flags,
++ struct nx_addr_v6 **prev)
++{
++ struct nx_addr_v6 *nxa = &nxi->v6;
++
++ for (; nxa; nxa = nxa->next) {
++ if (ipv6_addr_equal(&nxa->ip, ip) &&
++ ipv6_addr_equal(&nxa->mask, mask) &&
++ (nxa->prefix == prefix) &&
++ (nxa->type == type) &&
++ (nxa->flags == flags))
++ return nxa;
++
++ /* save previous entry */
++ if (prev)
++ *prev = nxa;
++ }
++ return NULL;
++}
++
++
+int do_add_v6_addr(struct nx_info *nxi,
+ struct in6_addr *ip, struct in6_addr *mask,
+ uint32_t prefix, uint16_t type, uint16_t flags)
+{
-+ struct nx_addr_v6 *nxa = &nxi->v6;
++ struct nx_addr_v6 *nxa = NULL;
++ struct nx_addr_v6 *new = __alloc_nx_addr_v6();
++ unsigned long irqflags;
++ int ret = -EEXIST;
+
-+ if (NX_IPV6(nxi)) {
-+ /* locate last entry */
-+ for (; nxa->next; nxa = nxa->next);
-+ nxa->next = __alloc_nx_addr_v6();
-+ nxa = nxa->next;
++ if (IS_ERR(new))
++ return PTR_ERR(new);
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ if (__find_v6_addr(nxi, ip, mask, prefix, type, flags, &nxa))
++ goto out_unlock;
+
-+ if (IS_ERR(nxa))
-+ return PTR_ERR(nxa);
++ if (NX_IPV6(nxi)) {
++ nxa->next = new;
++ nxa = new;
++ new = NULL;
+ }
+
+ nxa->ip = *ip;
+ nxa->prefix = prefix;
+ nxa->type = type;
+ nxa->flags = flags;
-+ return 0;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ if (new)
++ __dealloc_nx_addr_v6(new);
++ return ret;
+}
+
++int do_remove_v6_addr(struct nx_info *nxi,
++ struct in6_addr *ip, struct in6_addr *mask,
++ uint32_t prefix, uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v6 *nxa = NULL;
++ struct nx_addr_v6 *old = NULL;
++ unsigned long irqflags;
++ int ret = 0;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ switch (type) {
++ case NXA_TYPE_ADDR:
++ old = __find_v6_addr(nxi, ip, mask, prefix, type, flags, &nxa);
++ if (old) {
++ if (nxa) {
++ nxa->next = old->next;
++ old->next = NULL;
++ } else {
++ if (old->next) {
++ nxa = old;
++ old = old->next;
++ *nxa = *old;
++ old->next = NULL;
++ } else {
++ memset(old, 0, sizeof(*old));
++ old = NULL;
++ }
++ }
++ } else
++ ret = -ESRCH;
++ break;
++
++ case NXA_TYPE_ANY:
++ nxa = &nxi->v6;
++ old = nxa->next;
++ memset(nxa, 0, sizeof(*nxa));
++ break;
++
++ default:
++ ret = -EINVAL;
++ }
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ __dealloc_nx_addr_v6_all(old);
++ return ret;
++}
+
+int vc_net_add_ipv6(struct nx_info *nxi, void __user *data)
+{
+
+ switch (vc_data.type) {
+ case NXA_TYPE_ADDR:
++ memset(&vc_data.mask, ~0, sizeof(vc_data.mask));
++ /* fallthrough */
+ case NXA_TYPE_MASK:
+ return do_add_v6_addr(nxi, &vc_data.ip, &vc_data.mask,
+ vc_data.prefix, vc_data.type, vc_data.flags);
+ return -EFAULT;
+
+ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ memset(&vc_data.mask, ~0, sizeof(vc_data.mask));
++ /* fallthrough */
++ case NXA_TYPE_MASK:
++ return do_remove_v6_addr(nxi, &vc_data.ip, &vc_data.mask,
++ vc_data.prefix, vc_data.type, vc_data.flags);
+ case NXA_TYPE_ANY:
-+ __dealloc_nx_addr_v6_all(xchg(&nxi->v6.next, NULL));
-+ memset(&nxi->v6, 0, sizeof(nxi->v6));
-+ break;
-+
++ return do_remove_v6_addr(nxi, NULL, NULL, 0, vc_data.type, 0);
+ default:
+ return -EINVAL;
+ }
+EXPORT_SYMBOL_GPL(free_nx_info);
+EXPORT_SYMBOL_GPL(unhash_nx_info);
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/proc.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/proc.c
---- linux-2.6.27.33/kernel/vserver/proc.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/proc.c 2008-10-31 18:15:28.000000000 +0100
-@@ -0,0 +1,1092 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/proc.c linux-3.18.5-vs2.3.7.3/kernel/vserver/proc.c
+--- linux-3.18.5/kernel/vserver/proc.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/proc.c 2015-01-21 08:57:26.000000000 +0000
+@@ -0,0 +1,1100 @@
+/*
+ * linux/kernel/vserver/proc.c
+ *
+ * Virtual Context Support
+ *
-+ * Copyright (C) 2003-2007 Herbert Pötzl
++ * Copyright (C) 2003-2011 Herbert Pötzl
+ *
+ * V0.01 basic structure
+ * V0.02 adaptation vs1.3.0
+ * V0.06 inode validation
+ * V0.07 generic rewrite vid
+ * V0.08 remove inode type
++ * V0.09 added u/wmask info
+ *
+ */
+
+#include <linux/proc_fs.h>
++#include <linux/fs_struct.h>
++#include <linux/mount.h>
++#include <linux/namei.h>
+#include <asm/unistd.h>
+
+#include <linux/vs_context.h>
+#include "sched_proc.h"
+#include "vci_config.h"
+
++#include <../../fs/proc/internal.h>
++
+
+static inline char *print_cap_t(char *buffer, kernel_cap_t *c)
+{
+ return sprintf(buffer,
+ "#CTotal:\t%d\n"
+ "#CActive:\t%d\n"
-+ "#NSProxy:\t%d\t%d %d %d %d %d %d\n",
++ "#NSProxy:\t%d\t%d %d %d %d %d %d\n"
++ "#InitTask:\t%d\t%d %d\n",
+ atomic_read(&vx_global_ctotal),
+ atomic_read(&vx_global_cactive),
+ atomic_read(&vs_global_nsproxy),
+ atomic_read(&vs_global_fs),
+ atomic_read(&vs_global_mnt_ns),
+ atomic_read(&vs_global_uts_ns),
-+ atomic_read(&vs_global_ipc_ns),
++ atomic_read(&nr_ipc_ns),
+ atomic_read(&vs_global_user_ns),
-+ atomic_read(&vs_global_pid_ns));
++ atomic_read(&vs_global_pid_ns),
++ atomic_read(&init_task.usage),
++ atomic_read(&init_task.nsproxy->count),
++ init_task.fs->users);
+}
+
+
+
+ buffer += sprintf(buffer,
+ "CCaps:\t%016llx\n"
++ "Umask:\t%16llx\n"
++ "Wmask:\t%16llx\n"
+ "Spaces:\t%08lx %08lx\n",
+ (unsigned long long)vxi->vx_ccaps,
-+ vxi->vx_nsmask[0], vxi->vx_nsmask[1]);
++ (unsigned long long)vxi->vx_umask,
++ (unsigned long long)vxi->vx_wmask,
++ vxi->space[0].vx_nsmask, vxi->space[1].vx_nsmask);
+ return buffer - orig;
+}
+
+
+int proc_vxi_nsproxy0(struct vx_info *vxi, char *buffer)
+{
-+ return vx_info_proc_nsproxy(vxi->vx_nsproxy[0], buffer);
++ return vx_info_proc_nsproxy(vxi->space[0].vx_nsproxy, buffer);
+}
+
+int proc_vxi_nsproxy1(struct vx_info *vxi, char *buffer)
+{
-+ return vx_info_proc_nsproxy(vxi->vx_nsproxy[1], buffer);
++ return vx_info_proc_nsproxy(vxi->space[1].vx_nsproxy, buffer);
+}
+
+int proc_vxi_cvirt(struct vx_info *vxi, char *buffer)
+ if (p->fop)
+ inode->i_fop = p->fop;
+
-+ inode->i_nlink = (p->mode & S_IFDIR) ? 2 : 1;
++ set_nlink(inode, (p->mode & S_IFDIR) ? 2 : 1);
+ inode->i_flags |= S_IMMUTABLE;
+
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+
-+ inode->i_uid = 0;
-+ inode->i_gid = 0;
-+ inode->i_tag = 0;
++ i_uid_write(inode, 0);
++ i_gid_write(inode, 0);
++ i_tag_write(inode, 0);
+out:
+ return inode;
+}
+
+/* Lookups */
+
-+typedef struct dentry *instantiate_t(struct inode *, struct dentry *, int, void *);
++typedef struct dentry *vx_instantiate_t(struct inode *, struct dentry *, int, void *);
++
+
+/*
+ * Fill a directory entry.
+ *
+ * Since all of the proc inode numbers are dynamically generated, the inode
+ * numbers do not exist until the inode is cache. This means creating the
-+ * the dcache entry in readdir is necessary to keep the inode numbers
-+ * reported by readdir in sync with the inode numbers reported
++ * the dcache entry in iterate is necessary to keep the inode numbers
++ * reported by iterate in sync with the inode numbers reported
+ * by stat.
+ */
-+static int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
-+ char *name, int len, instantiate_t instantiate, int id, void *ptr)
++static int vx_proc_fill_cache(struct file *filp, struct dir_context *ctx,
++ char *name, int len, vx_instantiate_t instantiate, int id, void *ptr)
+{
+ struct dentry *child, *dir = filp->f_dentry;
+ struct inode *inode;
+ dput(child);
+end_instantiate:
+ if (!ino)
-+ ino = find_inode_number(dir, &qname);
-+ if (!ino)
+ ino = 1;
-+ return filldir(dirent, name, len, filp->f_pos, ino, type);
++ return !dir_emit(ctx, name, len, ino, type);
+}
+
+
+ return lookup_vx_info(PROC_I(inode)->fd);
+}
+
-+static int proc_xid_revalidate(struct dentry *dentry, struct nameidata *nd)
++static int proc_xid_revalidate(struct dentry *dentry, unsigned int flags)
+{
+ struct inode *inode = dentry->d_inode;
-+ xid_t xid = PROC_I(inode)->fd;
++ vxid_t xid = PROC_I(inode)->fd;
++
++ if (flags & LOOKUP_RCU) /* FIXME: can be dropped? */
++ return -ECHILD;
+
+ if (!xid || xid_is_hashed(xid))
+ return 1;
+
+/* get and revalidate nx_info/nid */
+
-+static int proc_nid_revalidate(struct dentry *dentry, struct nameidata *nd)
++static int proc_nid_revalidate(struct dentry *dentry, unsigned int flags)
+{
+ struct inode *inode = dentry->d_inode;
-+ nid_t nid = PROC_I(inode)->fd;
++ vnid_t nid = PROC_I(inode)->fd;
++
++ if (flags & LOOKUP_RCU) /* FIXME: can be dropped? */
++ return -ECHILD;
+
+ if (!nid || nid_is_hashed(nid))
+ return 1;
+{
+ struct inode *inode = file->f_dentry->d_inode;
+ struct vx_info *vxi = NULL;
-+ xid_t xid = PROC_I(inode)->fd;
++ vxid_t xid = PROC_I(inode)->fd;
+ unsigned long page;
+ ssize_t length = 0;
+
+{
+ struct inode *inode = file->f_dentry->d_inode;
+ struct nx_info *nxi = NULL;
-+ nid_t nid = PROC_I(inode)->fd;
++ vnid_t nid = PROC_I(inode)->fd;
+ unsigned long page;
+ ssize_t length = 0;
+
+}
+
+static struct dentry *proc_xid_lookup(struct inode *dir,
-+ struct dentry *dentry, struct nameidata *nd)
++ struct dentry *dentry, unsigned int flags)
+{
+ struct vs_entry *p = vx_base_stuff;
+ struct dentry *error = ERR_PTR(-ENOENT);
+ return error;
+}
+
-+static int proc_xid_readdir(struct file *filp,
-+ void *dirent, filldir_t filldir)
++static int proc_xid_iterate(struct file *filp, struct dir_context *ctx)
+{
+ struct dentry *dentry = filp->f_dentry;
+ struct inode *inode = dentry->d_inode;
+ struct vs_entry *p = vx_base_stuff;
+ int size = sizeof(vx_base_stuff) / sizeof(struct vs_entry);
-+ int pos, index;
++ int index;
+ u64 ino;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
++ switch (ctx->pos) {
+ case 0:
+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0)
+ goto out;
-+ pos++;
++ ctx->pos++;
+ /* fall through */
+ case 1:
+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0)
+ goto out;
-+ pos++;
++ ctx->pos++;
+ /* fall through */
+ default:
-+ index = pos - 2;
++ index = ctx->pos - 2;
+ if (index >= size)
+ goto out;
+ for (p += index; p->name; p++) {
-+ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ if (vx_proc_fill_cache(filp, ctx, p->name, p->len,
+ vs_proc_instantiate, PROC_I(inode)->fd, p))
+ goto out;
-+ pos++;
++ ctx->pos++;
+ }
+ }
+out:
-+ filp->f_pos = pos;
+ return 1;
+}
+
+}
+
+static struct dentry *proc_nid_lookup(struct inode *dir,
-+ struct dentry *dentry, struct nameidata *nd)
++ struct dentry *dentry, unsigned int flags)
+{
+ struct vs_entry *p = nx_base_stuff;
+ struct dentry *error = ERR_PTR(-ENOENT);
+ return error;
+}
+
-+static int proc_nid_readdir(struct file *filp,
-+ void *dirent, filldir_t filldir)
++static int proc_nid_iterate(struct file *filp, struct dir_context *ctx)
+{
+ struct dentry *dentry = filp->f_dentry;
+ struct inode *inode = dentry->d_inode;
+ struct vs_entry *p = nx_base_stuff;
+ int size = sizeof(nx_base_stuff) / sizeof(struct vs_entry);
-+ int pos, index;
++ int index;
+ u64 ino;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
++ switch (ctx->pos) {
+ case 0:
+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0)
+ goto out;
-+ pos++;
++ ctx->pos++;
+ /* fall through */
+ case 1:
+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0)
+ goto out;
-+ pos++;
++ ctx->pos++;
+ /* fall through */
+ default:
-+ index = pos - 2;
++ index = ctx->pos - 2;
+ if (index >= size)
+ goto out;
+ for (p += index; p->name; p++) {
-+ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ if (vx_proc_fill_cache(filp, ctx, p->name, p->len,
+ vs_proc_instantiate, PROC_I(inode)->fd, p))
+ goto out;
-+ pos++;
++ ctx->pos++;
+ }
+ }
+out:
-+ filp->f_pos = pos;
+ return 1;
+}
+
+
+static struct file_operations proc_xid_file_operations = {
+ .read = generic_read_dir,
-+ .readdir = proc_xid_readdir,
++ .iterate = proc_xid_iterate,
+};
+
+static struct inode_operations proc_xid_inode_operations = {
+
+
+static struct dentry *proc_virtual_lookup(struct inode *dir,
-+ struct dentry *dentry, struct nameidata *nd)
++ struct dentry *dentry, unsigned int flags)
+{
+ struct vs_entry *p = vx_virtual_stuff;
+ struct dentry *error = ERR_PTR(-ENOENT);
+
+static struct file_operations proc_nid_file_operations = {
+ .read = generic_read_dir,
-+ .readdir = proc_nid_readdir,
++ .iterate = proc_nid_iterate,
+};
+
+static struct inode_operations proc_nid_inode_operations = {
+
+
+static struct dentry *proc_virtnet_lookup(struct inode *dir,
-+ struct dentry *dentry, struct nameidata *nd)
++ struct dentry *dentry, unsigned int flags)
+{
+ struct vs_entry *p = nx_virtnet_stuff;
+ struct dentry *error = ERR_PTR(-ENOENT);
+
+#define PROC_MAXVIDS 32
+
-+int proc_virtual_readdir(struct file *filp,
-+ void *dirent, filldir_t filldir)
++int proc_virtual_iterate(struct file *filp, struct dir_context *ctx)
+{
+ struct dentry *dentry = filp->f_dentry;
+ struct inode *inode = dentry->d_inode;
+ struct vs_entry *p = vx_virtual_stuff;
+ int size = sizeof(vx_virtual_stuff) / sizeof(struct vs_entry);
-+ int pos, index;
++ int index;
+ unsigned int xid_array[PROC_MAXVIDS];
+ char buf[PROC_NUMBUF];
+ unsigned int nr_xids, i;
+ u64 ino;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
++ switch (ctx->pos) {
+ case 0:
+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0)
+ goto out;
-+ pos++;
++ ctx->pos++;
+ /* fall through */
+ case 1:
+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0)
+ goto out;
-+ pos++;
++ ctx->pos++;
+ /* fall through */
+ default:
-+ index = pos - 2;
++ index = ctx->pos - 2;
+ if (index >= size)
+ goto entries;
+ for (p += index; p->name; p++) {
-+ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ if (vx_proc_fill_cache(filp, ctx, p->name, p->len,
+ vs_proc_instantiate, 0, p))
+ goto out;
-+ pos++;
++ ctx->pos++;
+ }
+ entries:
-+ index = pos - size;
++ index = ctx->pos - size;
+ p = &vx_virtual_stuff[size - 1];
+ nr_xids = get_xid_list(index, xid_array, PROC_MAXVIDS);
+ for (i = 0; i < nr_xids; i++) {
+ buf[--j] = '0' + (n % 10);
+ while (n /= 10);
+
-+ if (proc_fill_cache(filp, dirent, filldir,
++ if (vx_proc_fill_cache(filp, ctx,
+ buf + j, PROC_NUMBUF - j,
+ vs_proc_instantiate, xid, p))
+ goto out;
-+ pos++;
++ ctx->pos++;
+ }
+ }
+out:
-+ filp->f_pos = pos;
+ return 0;
+}
+
+
+static struct file_operations proc_virtual_dir_operations = {
+ .read = generic_read_dir,
-+ .readdir = proc_virtual_readdir,
++ .iterate = proc_virtual_iterate,
+};
+
+static struct inode_operations proc_virtual_dir_inode_operations = {
+
+
+
-+
-+
-+int proc_virtnet_readdir(struct file *filp,
-+ void *dirent, filldir_t filldir)
++int proc_virtnet_iterate(struct file *filp, struct dir_context *ctx)
+{
+ struct dentry *dentry = filp->f_dentry;
+ struct inode *inode = dentry->d_inode;
+ struct vs_entry *p = nx_virtnet_stuff;
+ int size = sizeof(nx_virtnet_stuff) / sizeof(struct vs_entry);
-+ int pos, index;
++ int index;
+ unsigned int nid_array[PROC_MAXVIDS];
+ char buf[PROC_NUMBUF];
+ unsigned int nr_nids, i;
+ u64 ino;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
++ switch (ctx->pos) {
+ case 0:
+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0)
+ goto out;
-+ pos++;
++ ctx->pos++;
+ /* fall through */
+ case 1:
+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0)
+ goto out;
-+ pos++;
++ ctx->pos++;
+ /* fall through */
+ default:
-+ index = pos - 2;
++ index = ctx->pos - 2;
+ if (index >= size)
+ goto entries;
+ for (p += index; p->name; p++) {
-+ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ if (vx_proc_fill_cache(filp, ctx, p->name, p->len,
+ vs_proc_instantiate, 0, p))
+ goto out;
-+ pos++;
++ ctx->pos++;
+ }
+ entries:
-+ index = pos - size;
++ index = ctx->pos - size;
+ p = &nx_virtnet_stuff[size - 1];
+ nr_nids = get_nid_list(index, nid_array, PROC_MAXVIDS);
+ for (i = 0; i < nr_nids; i++) {
+ buf[--j] = '0' + (n % 10);
+ while (n /= 10);
+
-+ if (proc_fill_cache(filp, dirent, filldir,
++ if (vx_proc_fill_cache(filp, ctx,
+ buf + j, PROC_NUMBUF - j,
+ vs_proc_instantiate, nid, p))
+ goto out;
-+ pos++;
++ ctx->pos++;
+ }
+ }
+out:
-+ filp->f_pos = pos;
+ return 0;
+}
+
+
+static struct file_operations proc_virtnet_dir_operations = {
+ .read = generic_read_dir,
-+ .readdir = proc_virtnet_readdir,
++ .iterate = proc_virtnet_iterate,
+};
+
+static struct inode_operations proc_virtnet_dir_inode_operations = {
+
+/* per pid info */
+
++void render_cap_t(struct seq_file *, const char *,
++ struct vx_info *, kernel_cap_t *);
++
+
-+int proc_pid_vx_info(struct task_struct *p, char *buffer)
++int proc_pid_vx_info(
++ struct seq_file *m,
++ struct pid_namespace *ns,
++ struct pid *pid,
++ struct task_struct *p)
+{
+ struct vx_info *vxi;
-+ char *orig = buffer;
+
-+ buffer += sprintf(buffer, "XID:\t%d\n", vx_task_xid(p));
++ seq_printf(m, "XID:\t%d\n", vx_task_xid(p));
+
+ vxi = task_get_vx_info(p);
+ if (!vxi)
-+ goto out;
++ return 0;
+
-+ buffer += sprintf(buffer, "BCaps:\t");
-+ buffer = print_cap_t(buffer, &vxi->vx_bcaps);
-+ buffer += sprintf(buffer, "\n");
-+ buffer += sprintf(buffer, "CCaps:\t%016llx\n",
++ render_cap_t(m, "BCaps:\t", vxi, &vxi->vx_bcaps);
++ seq_printf(m, "CCaps:\t%016llx\n",
+ (unsigned long long)vxi->vx_ccaps);
-+ buffer += sprintf(buffer, "CFlags:\t%016llx\n",
++ seq_printf(m, "CFlags:\t%016llx\n",
+ (unsigned long long)vxi->vx_flags);
-+ buffer += sprintf(buffer, "CIPid:\t%d\n", vxi->vx_initpid);
++ seq_printf(m, "CIPid:\t%d\n", vxi->vx_initpid);
+
+ put_vx_info(vxi);
-+out:
-+ return buffer - orig;
++ return 0;
+}
+
+
-+int proc_pid_nx_info(struct task_struct *p, char *buffer)
++int proc_pid_nx_info(
++ struct seq_file *m,
++ struct pid_namespace *ns,
++ struct pid *pid,
++ struct task_struct *p)
+{
+ struct nx_info *nxi;
+ struct nx_addr_v4 *v4a;
+#ifdef CONFIG_IPV6
+ struct nx_addr_v6 *v6a;
+#endif
-+ char *orig = buffer;
+ int i;
+
-+ buffer += sprintf(buffer, "NID:\t%d\n", nx_task_nid(p));
++ seq_printf(m, "NID:\t%d\n", nx_task_nid(p));
+
+ nxi = task_get_nx_info(p);
+ if (!nxi)
-+ goto out;
++ return 0;
+
-+ buffer += sprintf(buffer, "NCaps:\t%016llx\n",
++ seq_printf(m, "NCaps:\t%016llx\n",
+ (unsigned long long)nxi->nx_ncaps);
-+ buffer += sprintf(buffer, "NFlags:\t%016llx\n",
++ seq_printf(m, "NFlags:\t%016llx\n",
+ (unsigned long long)nxi->nx_flags);
+
-+ buffer += sprintf(buffer,
-+ "V4Root[bcast]:\t" NIPQUAD_FMT "\n",
++ seq_printf(m, "V4Root[bcast]:\t" NIPQUAD_FMT "\n",
+ NIPQUAD(nxi->v4_bcast.s_addr));
-+ buffer += sprintf (buffer,
-+ "V4Root[lback]:\t" NIPQUAD_FMT "\n",
++ seq_printf(m, "V4Root[lback]:\t" NIPQUAD_FMT "\n",
+ NIPQUAD(nxi->v4_lback.s_addr));
+ if (!NX_IPV4(nxi))
+ goto skip_v4;
+ for (i = 0, v4a = &nxi->v4; v4a; i++, v4a = v4a->next)
-+ buffer += sprintf(buffer, "V4Root[%d]:\t" NXAV4_FMT "\n",
++ seq_printf(m, "V4Root[%d]:\t" NXAV4_FMT "\n",
+ i, NXAV4(v4a));
+skip_v4:
+#ifdef CONFIG_IPV6
+ if (!NX_IPV6(nxi))
+ goto skip_v6;
+ for (i = 0, v6a = &nxi->v6; v6a; i++, v6a = v6a->next)
-+ buffer += sprintf(buffer, "V6Root[%d]:\t" NXAV6_FMT "\n",
++ seq_printf(m, "V6Root[%d]:\t" NXAV6_FMT "\n",
+ i, NXAV6(v6a));
+skip_v6:
+#endif
+ put_nx_info(nxi);
-+out:
-+ return buffer - orig;
++ return 0;
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/sched.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/sched.c
---- linux-2.6.27.33/kernel/vserver/sched.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/sched.c 2009-03-09 15:36:36.000000000 +0100
-@@ -0,0 +1,414 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/sched.c linux-3.18.5-vs2.3.7.3/kernel/vserver/sched.c
+--- linux-3.18.5/kernel/vserver/sched.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/sched.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,83 @@
+/*
+ * linux/kernel/vserver/sched.c
+ *
+ * Virtual Server: Scheduler Support
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2010 Herbert Pötzl
+ *
+ * V0.01 adapted Sam Vilains version to 2.6.3
+ * V0.02 removed legacy interface
+ * V0.03 changed vcmds to vxi arg
+ * V0.04 removed older and legacy interfaces
++ * V0.05 removed scheduler code/commands
+ *
+ */
+
+#include <linux/vs_context.h>
+#include <linux/vs_sched.h>
++#include <linux/cpumask.h>
+#include <linux/vserver/sched_cmd.h>
+
+#include <asm/uaccess.h>
+
+
-+#define vxd_check_range(val, min, max) do { \
-+ vxlprintk((val < min) || (val > max), \
-+ "check_range(%ld,%ld,%ld)", \
-+ (long)val, (long)min, (long)max, \
-+ __FILE__, __LINE__); \
-+ } while (0)
-+
-+
-+void vx_update_sched_param(struct _vx_sched *sched,
-+ struct _vx_sched_pc *sched_pc)
-+{
-+ unsigned int set_mask = sched->update_mask;
-+
-+ if (set_mask & VXSM_FILL_RATE)
-+ sched_pc->fill_rate[0] = sched->fill_rate[0];
-+ if (set_mask & VXSM_INTERVAL)
-+ sched_pc->interval[0] = sched->interval[0];
-+ if (set_mask & VXSM_FILL_RATE2)
-+ sched_pc->fill_rate[1] = sched->fill_rate[1];
-+ if (set_mask & VXSM_INTERVAL2)
-+ sched_pc->interval[1] = sched->interval[1];
-+ if (set_mask & VXSM_TOKENS)
-+ sched_pc->tokens = sched->tokens;
-+ if (set_mask & VXSM_TOKENS_MIN)
-+ sched_pc->tokens_min = sched->tokens_min;
-+ if (set_mask & VXSM_TOKENS_MAX)
-+ sched_pc->tokens_max = sched->tokens_max;
-+ if (set_mask & VXSM_PRIO_BIAS)
-+ sched_pc->prio_bias = sched->prio_bias;
-+
-+ if (set_mask & VXSM_IDLE_TIME)
-+ sched_pc->flags |= VXSF_IDLE_TIME;
-+ else
-+ sched_pc->flags &= ~VXSF_IDLE_TIME;
-+
-+ /* reset time */
-+ sched_pc->norm_time = jiffies;
-+}
-+
-+
-+/*
-+ * recalculate the context's scheduling tokens
-+ *
-+ * ret > 0 : number of tokens available
-+ * ret < 0 : on hold, check delta_min[]
-+ * -1 only jiffies
-+ * -2 also idle time
-+ *
-+ */
-+int vx_tokens_recalc(struct _vx_sched_pc *sched_pc,
-+ unsigned long *norm_time, unsigned long *idle_time, int delta_min[2])
-+{
-+ long delta;
-+ long tokens = 0;
-+ int flags = sched_pc->flags;
-+
-+ /* how much time did pass? */
-+ delta = *norm_time - sched_pc->norm_time;
-+ // printk("@ %ld, %ld, %ld\n", *norm_time, sched_pc->norm_time, jiffies);
-+ vxd_check_range(delta, 0, INT_MAX);
-+
-+ if (delta >= sched_pc->interval[0]) {
-+ long tokens, integral;
-+
-+ /* calc integral token part */
-+ tokens = delta / sched_pc->interval[0];
-+ integral = tokens * sched_pc->interval[0];
-+ tokens *= sched_pc->fill_rate[0];
-+#ifdef CONFIG_VSERVER_HARDCPU
-+ delta_min[0] = delta - integral;
-+ vxd_check_range(delta_min[0], 0, sched_pc->interval[0]);
-+#endif
-+ /* advance time */
-+ sched_pc->norm_time += delta;
-+
-+ /* add tokens */
-+ sched_pc->tokens += tokens;
-+ sched_pc->token_time += tokens;
-+ } else
-+ delta_min[0] = delta;
-+
-+#ifdef CONFIG_VSERVER_IDLETIME
-+ if (!(flags & VXSF_IDLE_TIME))
-+ goto skip_idle;
-+
-+ /* how much was the idle skip? */
-+ delta = *idle_time - sched_pc->idle_time;
-+ vxd_check_range(delta, 0, INT_MAX);
-+
-+ if (delta >= sched_pc->interval[1]) {
-+ long tokens, integral;
-+
-+ /* calc fair share token part */
-+ tokens = delta / sched_pc->interval[1];
-+ integral = tokens * sched_pc->interval[1];
-+ tokens *= sched_pc->fill_rate[1];
-+ delta_min[1] = delta - integral;
-+ vxd_check_range(delta_min[1], 0, sched_pc->interval[1]);
-+
-+ /* advance idle time */
-+ sched_pc->idle_time += integral;
-+
-+ /* add tokens */
-+ sched_pc->tokens += tokens;
-+ sched_pc->token_time += tokens;
-+ } else
-+ delta_min[1] = delta;
-+skip_idle:
-+#endif
-+
-+ /* clip at maximum */
-+ if (sched_pc->tokens > sched_pc->tokens_max)
-+ sched_pc->tokens = sched_pc->tokens_max;
-+ tokens = sched_pc->tokens;
-+
-+ if ((flags & VXSF_ONHOLD)) {
-+ /* can we unhold? */
-+ if (tokens >= sched_pc->tokens_min) {
-+ flags &= ~VXSF_ONHOLD;
-+ sched_pc->hold_ticks +=
-+ *norm_time - sched_pc->onhold;
-+ } else
-+ goto on_hold;
-+ } else {
-+ /* put on hold? */
-+ if (tokens <= 0) {
-+ flags |= VXSF_ONHOLD;
-+ sched_pc->onhold = *norm_time;
-+ goto on_hold;
-+ }
-+ }
-+ sched_pc->flags = flags;
-+ return tokens;
-+
-+on_hold:
-+ tokens = sched_pc->tokens_min - tokens;
-+ sched_pc->flags = flags;
-+ // BUG_ON(tokens < 0); probably doesn't hold anymore
-+
-+#ifdef CONFIG_VSERVER_HARDCPU
-+ /* next interval? */
-+ if (!sched_pc->fill_rate[0])
-+ delta_min[0] = HZ;
-+ else if (tokens > sched_pc->fill_rate[0])
-+ delta_min[0] += sched_pc->interval[0] *
-+ tokens / sched_pc->fill_rate[0];
-+ else
-+ delta_min[0] = sched_pc->interval[0] - delta_min[0];
-+ vxd_check_range(delta_min[0], 0, INT_MAX);
-+
-+#ifdef CONFIG_VSERVER_IDLETIME
-+ if (!(flags & VXSF_IDLE_TIME))
-+ return -1;
-+
-+ /* next interval? */
-+ if (!sched_pc->fill_rate[1])
-+ delta_min[1] = HZ;
-+ else if (tokens > sched_pc->fill_rate[1])
-+ delta_min[1] += sched_pc->interval[1] *
-+ tokens / sched_pc->fill_rate[1];
-+ else
-+ delta_min[1] = sched_pc->interval[1] - delta_min[1];
-+ vxd_check_range(delta_min[1], 0, INT_MAX);
-+
-+ return -2;
-+#else
-+ return -1;
-+#endif /* CONFIG_VSERVER_IDLETIME */
-+#else
-+ return 0;
-+#endif /* CONFIG_VSERVER_HARDCPU */
-+}
-+
-+static inline unsigned long msec_to_ticks(unsigned long msec)
-+{
-+ return msecs_to_jiffies(msec);
-+}
-+
-+static inline unsigned long ticks_to_msec(unsigned long ticks)
-+{
-+ return jiffies_to_msecs(ticks);
-+}
-+
-+static inline unsigned long ticks_to_usec(unsigned long ticks)
++void vx_update_sched_param(struct _vx_sched *sched,
++ struct _vx_sched_pc *sched_pc)
+{
-+ return jiffies_to_usecs(ticks);
++ sched_pc->prio_bias = sched->prio_bias;
+}
+
-+
-+static int do_set_sched(struct vx_info *vxi, struct vcmd_sched_v5 *data)
++static int do_set_prio_bias(struct vx_info *vxi, struct vcmd_prio_bias *data)
+{
-+ unsigned int set_mask = data->mask;
-+ unsigned int update_mask;
-+ int i, cpu;
-+
-+ /* Sanity check data values */
-+ if (data->tokens_max <= 0)
-+ data->tokens_max = HZ;
-+ if (data->tokens_min < 0)
-+ data->tokens_min = HZ / 3;
-+ if (data->tokens_min >= data->tokens_max)
-+ data->tokens_min = data->tokens_max;
++ int cpu;
+
+ if (data->prio_bias > MAX_PRIO_BIAS)
+ data->prio_bias = MAX_PRIO_BIAS;
+ if (data->prio_bias < MIN_PRIO_BIAS)
+ data->prio_bias = MIN_PRIO_BIAS;
+
-+ spin_lock(&vxi->sched.tokens_lock);
++ if (data->cpu_id != ~0) {
++ vxi->sched.update = cpumask_of_cpu(data->cpu_id);
++ cpumask_and(&vxi->sched.update, &vxi->sched.update,
++ cpu_online_mask);
++ } else
++ cpumask_copy(&vxi->sched.update, cpu_online_mask);
+
-+ /* sync up on delayed updates */
+ for_each_cpu_mask(cpu, vxi->sched.update)
+ vx_update_sched_param(&vxi->sched,
+ &vx_per_cpu(vxi, sched_pc, cpu));
-+
-+ if (set_mask & VXSM_FILL_RATE)
-+ vxi->sched.fill_rate[0] = data->fill_rate[0];
-+ if (set_mask & VXSM_FILL_RATE2)
-+ vxi->sched.fill_rate[1] = data->fill_rate[1];
-+ if (set_mask & VXSM_INTERVAL)
-+ vxi->sched.interval[0] = (set_mask & VXSM_MSEC) ?
-+ msec_to_ticks(data->interval[0]) : data->interval[0];
-+ if (set_mask & VXSM_INTERVAL2)
-+ vxi->sched.interval[1] = (set_mask & VXSM_MSEC) ?
-+ msec_to_ticks(data->interval[1]) : data->interval[1];
-+ if (set_mask & VXSM_TOKENS)
-+ vxi->sched.tokens = data->tokens;
-+ if (set_mask & VXSM_TOKENS_MIN)
-+ vxi->sched.tokens_min = data->tokens_min;
-+ if (set_mask & VXSM_TOKENS_MAX)
-+ vxi->sched.tokens_max = data->tokens_max;
-+ if (set_mask & VXSM_PRIO_BIAS)
-+ vxi->sched.prio_bias = data->prio_bias;
-+
-+ /* Sanity check rate/interval */
-+ for (i = 0; i < 2; i++) {
-+ if (data->fill_rate[i] < 0)
-+ data->fill_rate[i] = 0;
-+ if (data->interval[i] <= 0)
-+ data->interval[i] = HZ;
-+ }
-+
-+ update_mask = vxi->sched.update_mask & VXSM_SET_MASK;
-+ update_mask |= (set_mask & (VXSM_SET_MASK | VXSM_IDLE_TIME));
-+ vxi->sched.update_mask = update_mask;
-+
-+#ifdef CONFIG_SMP
-+ rmb();
-+ if (set_mask & VXSM_CPU_ID) {
-+ vxi->sched.update = cpumask_of_cpu(data->cpu_id);
-+ cpus_and(vxi->sched.update, cpu_online_map,
-+ vxi->sched.update);
-+ } else
-+ vxi->sched.update = cpu_online_map;
-+
-+ /* forced reload? */
-+ if (set_mask & VXSM_FORCE) {
-+ for_each_cpu_mask(cpu, vxi->sched.update)
-+ vx_update_sched_param(&vxi->sched,
-+ &vx_per_cpu(vxi, sched_pc, cpu));
-+ vxi->sched.update = CPU_MASK_NONE;
-+ }
-+#else
-+ /* on UP we update immediately */
-+ vx_update_sched_param(&vxi->sched,
-+ &vx_per_cpu(vxi, sched_pc, 0));
-+#endif
-+
-+ spin_unlock(&vxi->sched.tokens_lock);
+ return 0;
+}
+
-+
-+#define COPY_IDS(C) C(cpu_id); C(bucket_id)
-+#define COPY_PRI(C) C(prio_bias)
-+#define COPY_TOK(C) C(tokens); C(tokens_min); C(tokens_max)
-+#define COPY_FRI(C) C(fill_rate[0]); C(interval[0]); \
-+ C(fill_rate[1]); C(interval[1]);
-+
-+#define COPY_VALUE(name) vc_data.name = data->name
-+
-+static int do_set_sched_v4(struct vx_info *vxi, struct vcmd_set_sched_v4 *data)
-+{
-+ struct vcmd_sched_v5 vc_data;
-+
-+ vc_data.mask = data->set_mask;
-+ COPY_IDS(COPY_VALUE);
-+ COPY_PRI(COPY_VALUE);
-+ COPY_TOK(COPY_VALUE);
-+ vc_data.fill_rate[0] = vc_data.fill_rate[1] = data->fill_rate;
-+ vc_data.interval[0] = vc_data.interval[1] = data->interval;
-+ return do_set_sched(vxi, &vc_data);
-+}
-+
-+int vc_set_sched_v4(struct vx_info *vxi, void __user *data)
-+{
-+ struct vcmd_set_sched_v4 vc_data;
-+
-+ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
-+ return -EFAULT;
-+
-+ return do_set_sched_v4(vxi, &vc_data);
-+}
-+
-+ /* latest interface is v5 */
-+
-+int vc_set_sched(struct vx_info *vxi, void __user *data)
-+{
-+ struct vcmd_sched_v5 vc_data;
-+
-+ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
-+ return -EFAULT;
-+
-+ return do_set_sched(vxi, &vc_data);
-+}
-+
-+
-+#define COPY_PRI(C) C(prio_bias)
-+#define COPY_TOK(C) C(tokens); C(tokens_min); C(tokens_max)
-+#define COPY_FRI(C) C(fill_rate[0]); C(interval[0]); \
-+ C(fill_rate[1]); C(interval[1]);
-+
-+#define COPY_VALUE(name) vc_data.name = data->name
-+
-+
-+int vc_get_sched(struct vx_info *vxi, void __user *data)
++int vc_set_prio_bias(struct vx_info *vxi, void __user *data)
+{
-+ struct vcmd_sched_v5 vc_data;
++ struct vcmd_prio_bias vc_data;
+
+ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
+ return -EFAULT;
+
-+ if (vc_data.mask & VXSM_CPU_ID) {
-+ int cpu = vc_data.cpu_id;
-+ struct _vx_sched_pc *data;
-+
-+ if (!cpu_possible(cpu))
-+ return -EINVAL;
-+
-+ data = &vx_per_cpu(vxi, sched_pc, cpu);
-+ COPY_TOK(COPY_VALUE);
-+ COPY_PRI(COPY_VALUE);
-+ COPY_FRI(COPY_VALUE);
-+
-+ if (data->flags & VXSF_IDLE_TIME)
-+ vc_data.mask |= VXSM_IDLE_TIME;
-+ } else {
-+ struct _vx_sched *data = &vxi->sched;
-+
-+ COPY_TOK(COPY_VALUE);
-+ COPY_PRI(COPY_VALUE);
-+ COPY_FRI(COPY_VALUE);
-+ }
-+
-+ if (vc_data.mask & VXSM_MSEC) {
-+ vc_data.interval[0] = ticks_to_msec(vc_data.interval[0]);
-+ vc_data.interval[1] = ticks_to_msec(vc_data.interval[1]);
-+ }
-+
-+ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
-+ return -EFAULT;
-+ return 0;
++ return do_set_prio_bias(vxi, &vc_data);
+}
+
-+
-+int vc_sched_info(struct vx_info *vxi, void __user *data)
++int vc_get_prio_bias(struct vx_info *vxi, void __user *data)
+{
-+ struct vcmd_sched_info vc_data;
++ struct vcmd_prio_bias vc_data;
++ struct _vx_sched_pc *pcd;
+ int cpu;
+
+ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
+ return -EFAULT;
+
+ cpu = vc_data.cpu_id;
++
+ if (!cpu_possible(cpu))
+ return -EINVAL;
+
-+ if (vxi) {
-+ struct _vx_sched_pc *sched_pc =
-+ &vx_per_cpu(vxi, sched_pc, cpu);
-+
-+ vc_data.user_msec = ticks_to_msec(sched_pc->user_ticks);
-+ vc_data.sys_msec = ticks_to_msec(sched_pc->sys_ticks);
-+ vc_data.hold_msec = ticks_to_msec(sched_pc->hold_ticks);
-+ vc_data.vavavoom = sched_pc->vavavoom;
-+ }
-+ vc_data.token_usec = ticks_to_usec(1);
++ pcd = &vx_per_cpu(vxi, sched_pc, cpu);
++ vc_data.prio_bias = pcd->prio_bias;
+
+ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
+ return -EFAULT;
+ return 0;
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/sched_init.h linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/sched_init.h
---- linux-2.6.27.33/kernel/vserver/sched_init.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/sched_init.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,50 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/sched_init.h linux-3.18.5-vs2.3.7.3/kernel/vserver/sched_init.h
+--- linux-3.18.5/kernel/vserver/sched_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/sched_init.h 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,27 @@
+
+static inline void vx_info_init_sched(struct _vx_sched *sched)
+{
-+ static struct lock_class_key tokens_lock_key;
-+
+ /* scheduling; hard code starting values as constants */
-+ sched->fill_rate[0] = 1;
-+ sched->interval[0] = 4;
-+ sched->fill_rate[1] = 1;
-+ sched->interval[1] = 8;
-+ sched->tokens = HZ >> 2;
-+ sched->tokens_min = HZ >> 4;
-+ sched->tokens_max = HZ >> 1;
-+ sched->tokens_lock = SPIN_LOCK_UNLOCKED;
-+ sched->prio_bias = 0;
-+
-+ lockdep_set_class(&sched->tokens_lock, &tokens_lock_key);
++ sched->prio_bias = 0;
+}
+
+static inline
+void vx_info_init_sched_pc(struct _vx_sched_pc *sched_pc, int cpu)
+{
-+ sched_pc->fill_rate[0] = 1;
-+ sched_pc->interval[0] = 4;
-+ sched_pc->fill_rate[1] = 1;
-+ sched_pc->interval[1] = 8;
-+ sched_pc->tokens = HZ >> 2;
-+ sched_pc->tokens_min = HZ >> 4;
-+ sched_pc->tokens_max = HZ >> 1;
-+ sched_pc->prio_bias = 0;
-+ sched_pc->vavavoom = 0;
-+ sched_pc->token_time = 0;
-+ sched_pc->idle_time = 0;
-+ sched_pc->norm_time = jiffies;
++ sched_pc->prio_bias = 0;
+
+ sched_pc->user_ticks = 0;
+ sched_pc->sys_ticks = 0;
+{
+ return;
+}
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/sched_proc.h linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/sched_proc.h
---- linux-2.6.27.33/kernel/vserver/sched_proc.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/sched_proc.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,57 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/sched_proc.h linux-3.18.5-vs2.3.7.3/kernel/vserver/sched_proc.h
+--- linux-3.18.5/kernel/vserver/sched_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/sched_proc.h 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,32 @@
+#ifndef _VX_SCHED_PROC_H
+#define _VX_SCHED_PROC_H
+
+ int length = 0;
+
+ length += sprintf(buffer,
-+ "FillRate:\t%8d,%d\n"
-+ "Interval:\t%8d,%d\n"
-+ "TokensMin:\t%8d\n"
-+ "TokensMax:\t%8d\n"
+ "PrioBias:\t%8d\n",
-+ sched->fill_rate[0],
-+ sched->fill_rate[1],
-+ sched->interval[0],
-+ sched->interval[1],
-+ sched->tokens_min,
-+ sched->tokens_max,
+ sched->prio_bias);
+ return length;
+}
+ int length = 0;
+
+ length += sprintf(buffer + length,
-+ "cpu %d: %lld %lld %lld %ld %ld", cpu,
++ "cpu %d: %lld %lld %lld", cpu,
+ (unsigned long long)sched_pc->user_ticks,
+ (unsigned long long)sched_pc->sys_ticks,
-+ (unsigned long long)sched_pc->hold_ticks,
-+ sched_pc->token_time,
-+ sched_pc->idle_time);
-+ length += sprintf(buffer + length,
-+ " %c%c %d %d %d %d/%d %d/%d",
-+ (sched_pc->flags & VXSF_ONHOLD) ? 'H' : 'R',
-+ (sched_pc->flags & VXSF_IDLE_TIME) ? 'I' : '-',
-+ sched_pc->tokens,
-+ sched_pc->tokens_min,
-+ sched_pc->tokens_max,
-+ sched_pc->fill_rate[0],
-+ sched_pc->interval[0],
-+ sched_pc->fill_rate[1],
-+ sched_pc->interval[1]);
++ (unsigned long long)sched_pc->hold_ticks);
+ length += sprintf(buffer + length,
-+ " %d %d\n",
-+ sched_pc->prio_bias,
-+ sched_pc->vavavoom);
++ " %d\n", sched_pc->prio_bias);
+ return length;
+}
+
+#endif /* _VX_SCHED_PROC_H */
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/signal.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/signal.c
---- linux-2.6.27.33/kernel/vserver/signal.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/signal.c 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,132 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/signal.c linux-3.18.5-vs2.3.7.3/kernel/vserver/signal.c
+--- linux-3.18.5/kernel/vserver/signal.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/signal.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,134 @@
+/*
+ * linux/kernel/vserver/signal.c
+ *
+ }
+ /* fallthrough */
+ default:
++ rcu_read_lock();
+ p = find_task_by_real_pid(pid);
++ rcu_read_unlock();
+ if (p) {
+ if (vx_task_xid(p) == vxi->vx_id)
+ retval = group_send_sig_info(sig, sip, p);
+ return ret;
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/space.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/space.c
---- linux-2.6.27.33/kernel/vserver/space.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/space.c 2008-10-31 18:15:28.000000000 +0100
-@@ -0,0 +1,398 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/space.c linux-3.18.5-vs2.3.7.3/kernel/vserver/space.c
+--- linux-3.18.5/kernel/vserver/space.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/space.c 2015-01-25 18:27:56.000000000 +0000
+@@ -0,0 +1,436 @@
+/*
+ * linux/kernel/vserver/space.c
+ *
+ * Virtual Server: Context Space Support
+ *
-+ * Copyright (C) 2003-2007 Herbert Pötzl
++ * Copyright (C) 2003-2010 Herbert Pötzl
+ *
+ * V0.01 broken out from context.c 0.07
+ * V0.02 added task locking for namespace
+ * V0.03 broken out vx_enter_namespace
+ * V0.04 added *space support and commands
++ * V0.05 added credential support
+ *
+ */
+
+#include <linux/utsname.h>
+#include <linux/nsproxy.h>
+#include <linux/err.h>
++#include <linux/fs_struct.h>
++#include <linux/cred.h>
+#include <asm/uaccess.h>
+
+#include <linux/vs_context.h>
+atomic_t vs_global_fs = ATOMIC_INIT(0);
+atomic_t vs_global_mnt_ns = ATOMIC_INIT(0);
+atomic_t vs_global_uts_ns = ATOMIC_INIT(0);
-+atomic_t vs_global_ipc_ns = ATOMIC_INIT(0);
+atomic_t vs_global_user_ns = ATOMIC_INIT(0);
+atomic_t vs_global_pid_ns = ATOMIC_INIT(0);
+
+#include <linux/pid_namespace.h>
+#include <linux/ipc_namespace.h>
+#include <net/net_namespace.h>
++#include "../fs/mount.h"
+
+
+static const struct vcmd_space_mask_v1 space_mask_v0 = {
+ .mask = CLONE_FS |
+ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
+ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
+ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
+ CLONE_NEWUSER |
++#endif
+ 0
+};
+
+static const struct vcmd_space_mask_v1 space_mask = {
+ .mask = CLONE_FS |
+ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
+ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
+ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
+ CLONE_NEWUSER |
++#endif
+#ifdef CONFIG_PID_NS
+ CLONE_NEWPID |
+#endif
+static const struct vcmd_space_mask_v1 default_space_mask = {
+ .mask = CLONE_FS |
+ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
+ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
+ CLONE_NEWIPC |
-+ CLONE_NEWUSER |
++#endif
++#ifdef CONFIG_USER_NS
++// CLONE_NEWUSER |
++#endif
+#ifdef CONFIG_PID_NS
+// CLONE_NEWPID |
+#endif
+ struct mnt_namespace *old_ns;
+ struct uts_namespace *old_uts;
+ struct ipc_namespace *old_ipc;
-+ struct user_namespace *old_user;
+#ifdef CONFIG_PID_NS
+ struct pid_namespace *old_pid;
+#endif
+ } else
+ old_ipc = NULL;
+
-+ if (mask & CLONE_NEWUSER) {
-+ old_user = nsproxy->user_ns;
-+ nsproxy->user_ns = new_nsproxy->user_ns;
-+ if (nsproxy->user_ns)
-+ get_user_ns(nsproxy->user_ns);
-+ } else
-+ old_user = NULL;
-+
+#ifdef CONFIG_PID_NS
+ if (mask & CLONE_NEWPID) {
-+ old_pid = nsproxy->pid_ns;
-+ nsproxy->pid_ns = new_nsproxy->pid_ns;
-+ if (nsproxy->pid_ns)
-+ get_pid_ns(nsproxy->pid_ns);
++ old_pid = nsproxy->pid_ns_for_children;
++ nsproxy->pid_ns_for_children = new_nsproxy->pid_ns_for_children;
++ if (nsproxy->pid_ns_for_children)
++ get_pid_ns(nsproxy->pid_ns_for_children);
+ } else
+ old_pid = NULL;
+#endif
+ put_uts_ns(old_uts);
+ if (old_ipc)
+ put_ipc_ns(old_ipc);
-+ if (old_user)
-+ put_user_ns(old_user);
+#ifdef CONFIG_PID_NS
+ if (old_pid)
+ put_pid_ns(old_pid);
+ return proxy;
+}
+
-+/*
-+ * merge two fs structs into a new one.
-+ * will take a reference on the result.
-+ */
-+
-+static inline
-+struct fs_struct *__vs_merge_fs(struct fs_struct *old,
-+ struct fs_struct *fs, unsigned long mask)
-+{
-+ if (!(mask & CLONE_FS)) {
-+ if (old)
-+ atomic_inc(&old->count);
-+ return old;
-+ }
-+
-+ if (!fs)
-+ return NULL;
-+
-+ return copy_fs_struct(fs);
-+}
-+
+
+int vx_enter_space(struct vx_info *vxi, unsigned long mask, unsigned index)
+{
+ struct nsproxy *proxy, *proxy_cur, *proxy_new;
-+ struct fs_struct *fs, *fs_cur, *fs_new;
-+ int ret;
++ struct fs_struct *fs_cur, *fs = NULL;
++ struct _vx_space *space;
++ int ret, kill = 0;
+
+ vxdprintk(VXD_CBIT(space, 8), "vx_enter_space(%p[#%u],0x%08lx,%d)",
+ vxi, vxi->vx_id, mask, index);
+ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0))
+ return -EACCES;
+
++ if (index >= VX_SPACES)
++ return -EINVAL;
++
++ space = &vxi->space[index];
++
+ if (!mask)
-+ mask = vxi->vx_nsmask[index];
++ mask = space->vx_nsmask;
+
-+ if ((mask & vxi->vx_nsmask[index]) != mask)
++ if ((mask & space->vx_nsmask) != mask)
+ return -EINVAL;
+
-+ proxy = vxi->vx_nsproxy[index];
-+ fs = vxi->vx_fs[index];
++ if (mask & CLONE_FS) {
++ fs = copy_fs_struct(space->vx_fs);
++ if (!fs)
++ return -ENOMEM;
++ }
++ proxy = space->vx_nsproxy;
++
++ vxdprintk(VXD_CBIT(space, 9),
++ "vx_enter_space(%p[#%u],0x%08lx,%d) -> (%p,%p)",
++ vxi, vxi->vx_id, mask, index, proxy, fs);
+
+ task_lock(current);
+ fs_cur = current->fs;
-+ atomic_inc(&fs_cur->count);
++
++ if (mask & CLONE_FS) {
++ spin_lock(&fs_cur->lock);
++ current->fs = fs;
++ kill = !--fs_cur->users;
++ spin_unlock(&fs_cur->lock);
++ }
++
+ proxy_cur = current->nsproxy;
+ get_nsproxy(proxy_cur);
+ task_unlock(current);
+
-+ fs_new = __vs_merge_fs(fs_cur, fs, mask);
-+ if (IS_ERR(fs_new)) {
-+ ret = PTR_ERR(fs_new);
-+ goto out_put;
-+ }
++ if (kill)
++ free_fs_struct(fs_cur);
+
+ proxy_new = __vs_merge_nsproxy(proxy_cur, proxy, mask);
+ if (IS_ERR(proxy_new)) {
+ ret = PTR_ERR(proxy_new);
-+ goto out_put_fs;
++ goto out_put;
+ }
+
-+ fs_new = xchg(¤t->fs, fs_new);
+ proxy_new = xchg(¤t->nsproxy, proxy_new);
++
++ if (mask & CLONE_NEWUSER) {
++ struct cred *cred;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vx_enter_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
++ current->real_cred, current->cred);
++
++ if (space->vx_cred) {
++ cred = __prepare_creds(space->vx_cred);
++ if (cred)
++ commit_creds(cred);
++ }
++ }
++
+ ret = 0;
+
+ if (proxy_new)
+ put_nsproxy(proxy_new);
-+out_put_fs:
-+ if (fs_new)
-+ put_fs_struct(fs_new);
+out_put:
+ if (proxy_cur)
+ put_nsproxy(proxy_cur);
-+ if (fs_cur)
-+ put_fs_struct(fs_cur);
+ return ret;
+}
+
+int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index)
+{
+ struct nsproxy *proxy_vxi, *proxy_cur, *proxy_new;
-+ struct fs_struct *fs_vxi, *fs_cur, *fs_new;
-+ int ret;
++ struct fs_struct *fs_vxi, *fs = NULL;
++ struct _vx_space *space;
++ int ret, kill = 0;
+
+ vxdprintk(VXD_CBIT(space, 8), "vx_set_space(%p[#%u],0x%08lx,%d)",
+ vxi, vxi->vx_id, mask, index);
-+#if 0
-+ if (!mask)
-+ mask = default_space_mask.mask;
-+#endif
++
+ if ((mask & space_mask.mask) != mask)
+ return -EINVAL;
+
-+ proxy_vxi = vxi->vx_nsproxy[index];
-+ fs_vxi = vxi->vx_fs[index];
++ if (index >= VX_SPACES)
++ return -EINVAL;
++
++ space = &vxi->space[index];
++
++ proxy_vxi = space->vx_nsproxy;
++ fs_vxi = space->vx_fs;
++
++ if (mask & CLONE_FS) {
++ fs = copy_fs_struct(current->fs);
++ if (!fs)
++ return -ENOMEM;
++ }
+
+ task_lock(current);
-+ fs_cur = current->fs;
-+ atomic_inc(&fs_cur->count);
++
++ if (mask & CLONE_FS) {
++ spin_lock(&fs_vxi->lock);
++ space->vx_fs = fs;
++ kill = !--fs_vxi->users;
++ spin_unlock(&fs_vxi->lock);
++ }
++
+ proxy_cur = current->nsproxy;
+ get_nsproxy(proxy_cur);
+ task_unlock(current);
+
-+ fs_new = __vs_merge_fs(fs_vxi, fs_cur, mask);
-+ if (IS_ERR(fs_new)) {
-+ ret = PTR_ERR(fs_new);
-+ goto out_put;
-+ }
++ if (kill)
++ free_fs_struct(fs_vxi);
+
+ proxy_new = __vs_merge_nsproxy(proxy_vxi, proxy_cur, mask);
+ if (IS_ERR(proxy_new)) {
+ ret = PTR_ERR(proxy_new);
-+ goto out_put_fs;
++ goto out_put;
++ }
++
++ proxy_new = xchg(&space->vx_nsproxy, proxy_new);
++ space->vx_nsmask |= mask;
++
++ if (mask & CLONE_NEWUSER) {
++ struct cred *cred;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vx_set_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
++ current->real_cred, current->cred);
++
++ cred = prepare_creds();
++ cred = (struct cred *)xchg(&space->vx_cred, cred);
++ if (cred)
++ abort_creds(cred);
+ }
+
-+ fs_new = xchg(&vxi->vx_fs[index], fs_new);
-+ proxy_new = xchg(&vxi->vx_nsproxy[index], proxy_new);
-+ vxi->vx_nsmask[index] |= mask;
+ ret = 0;
+
+ if (proxy_new)
+ put_nsproxy(proxy_new);
-+out_put_fs:
-+ if (fs_new)
-+ put_fs_struct(fs_new);
+out_put:
+ if (proxy_cur)
+ put_nsproxy(proxy_cur);
-+ if (fs_cur)
-+ put_fs_struct(fs_cur);
+ return ret;
+}
+
+ return 0;
+}
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/switch.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/switch.c
---- linux-2.6.27.33/kernel/vserver/switch.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/switch.c 2008-10-31 04:42:36.000000000 +0100
-@@ -0,0 +1,543 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/switch.c linux-3.18.5-vs2.3.7.3/kernel/vserver/switch.c
+--- linux-3.18.5/kernel/vserver/switch.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/switch.c 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,556 @@
+/*
+ * linux/kernel/vserver/switch.c
+ *
+ * Virtual Server: Syscall Switch
+ *
-+ * Copyright (C) 2003-2007 Herbert Pötzl
++ * Copyright (C) 2003-2011 Herbert Pötzl
+ *
+ * V0.01 syscall switch
+ * V0.02 added signal to context
+ * V0.09 added tag commands
+ * V0.10 added oom bias
+ * V0.11 added device commands
++ * V0.12 added warn mask
+ *
+ */
+
+ case VCMD_get_space_default:
+ return vc_get_space_mask(data, -1);
+
++ case VCMD_set_umask:
++ return vc_set_umask(vxi, data);
++
++ case VCMD_get_umask:
++ return vc_get_umask(vxi, data);
++
++ case VCMD_set_wmask:
++ return vc_set_wmask(vxi, data);
++
++ case VCMD_get_wmask:
++ return vc_get_wmask(vxi, data);
+#ifdef CONFIG_IA32_EMULATION
+ case VCMD_get_rlimit:
+ return __COMPAT(vc_get_rlimit, vxi, data, compat);
+#endif
+ case VCMD_get_rlimit_mask:
+ return vc_get_rlimit_mask(id, data);
++ case VCMD_reset_hits:
++ return vc_reset_hits(vxi, data);
+ case VCMD_reset_minmax:
+ return vc_reset_minmax(vxi, data);
+
+ case VCMD_get_ncaps:
+ return vc_get_ncaps(nxi, data);
+
-+ case VCMD_set_sched_v4:
-+ return vc_set_sched_v4(vxi, data);
-+ /* this is version 5 */
-+ case VCMD_set_sched:
-+ return vc_set_sched(vxi, data);
-+ case VCMD_get_sched:
-+ return vc_get_sched(vxi, data);
-+ case VCMD_sched_info:
-+ return vc_sched_info(vxi, data);
-+
++ case VCMD_set_prio_bias:
++ return vc_set_prio_bias(vxi, data);
++ case VCMD_get_prio_bias:
++ return vc_get_prio_bias(vxi, data);
+ case VCMD_add_dlimit:
+ return __COMPAT(vc_add_dlimit, id, data, compat);
+ case VCMD_rem_dlimit:
+ case VCMD_net_remove:
+ return vc_net_remove(nxi, data);
+
++ case VCMD_net_add_ipv4_v1:
++ return vc_net_add_ipv4_v1(nxi, data);
++ /* this is version 2 */
+ case VCMD_net_add_ipv4:
+ return vc_net_add_ipv4(nxi, data);
-+ case VCMD_net_remove_ipv4:
-+ return vc_net_remove_ipv4(nxi, data);
++
++ case VCMD_net_rem_ipv4_v1:
++ return vc_net_rem_ipv4_v1(nxi, data);
++ /* this is version 2 */
++ case VCMD_net_rem_ipv4:
++ return vc_net_rem_ipv4(nxi, data);
+#ifdef CONFIG_IPV6
+ case VCMD_net_add_ipv6:
+ return vc_net_add_ipv6(nxi, data);
+ case VCMD_read_history:
+ return __COMPAT(vc_read_history, id, data, compat);
+#endif
-+#ifdef CONFIG_VSERVER_MONITOR
-+ case VCMD_read_monitor:
-+ return __COMPAT(vc_read_monitor, id, data, compat);
-+#endif
+ default:
+ vxwprintk_task(1, "unimplemented VCMD_%02d_%d[%d]",
+ VC_CATEGORY(cmd), VC_COMMAND(cmd), VC_VERSION(cmd));
+
+ /* info commands */
+ __VCMD(task_xid, 2, VCA_NONE, 0);
++ __VCMD(reset_hits, 2, VCA_VXI, 0);
+ __VCMD(reset_minmax, 2, VCA_VXI, 0);
+ __VCMD(vx_info, 3, VCA_VXI, VCF_INFO);
+ __VCMD(get_bcaps, 3, VCA_VXI, VCF_INFO);
+ __VCMD(get_ccaps, 3, VCA_VXI, VCF_INFO);
+ __VCMD(get_cflags, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_umask, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_wmask, 3, VCA_VXI, VCF_INFO);
+ __VCMD(get_badness, 3, VCA_VXI, VCF_INFO);
+ __VCMD(get_vhi_name, 3, VCA_VXI, VCF_INFO);
+ __VCMD(get_rlimit, 3, VCA_VXI, VCF_INFO);
+ __VCMD(get_iattr, 2, VCA_NONE, 0);
+ __VCMD(fget_iattr, 2, VCA_NONE, 0);
+ __VCMD(get_dlimit, 3, VCA_NONE, VCF_INFO);
-+ __VCMD(get_sched, 3, VCA_VXI, VCF_INFO);
-+ __VCMD(sched_info, 3, VCA_VXI, VCF_INFO | VCF_ZIDOK);
++ __VCMD(get_prio_bias, 3, VCA_VXI, VCF_INFO);
+
+ /* lower admin commands */
+ __VCMD(wait_exit, 4, VCA_VXI, VCF_INFO);
+ __VCMD(set_ccaps, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
+ __VCMD(set_bcaps, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
+ __VCMD(set_cflags, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_umask, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_wmask, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
+ __VCMD(set_badness, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
+
+ __VCMD(set_vhi_name, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
+ __VCMD(set_rlimit, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
-+ __VCMD(set_sched, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
-+ __VCMD(set_sched_v4, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_prio_bias, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
+
+ __VCMD(set_ncaps, 7, VCA_NXI, VCF_ARES | VCF_SETUP);
+ __VCMD(set_nflags, 7, VCA_NXI, VCF_ARES | VCF_SETUP);
+ __VCMD(net_add, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
+ __VCMD(net_remove, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add_ipv4_v1, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_rem_ipv4_v1, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
+ __VCMD(net_add_ipv4, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
-+ __VCMD(net_remove_ipv4, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_rem_ipv4, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
+#ifdef CONFIG_IPV6
+ __VCMD(net_add_ipv6, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
+ __VCMD(net_remove_ipv6, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
+ __VCMD(dump_history, 9, VCA_NONE, 0);
+ __VCMD(read_history, 9, VCA_NONE, 0);
+#endif
-+#ifdef CONFIG_VSERVER_MONITOR
-+ __VCMD(read_monitor, 9, VCA_NONE, 0);
-+#endif
+
+ default:
+ perm = -1;
+}
+
+#endif /* CONFIG_COMPAT */
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/sysctl.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/sysctl.c
---- linux-2.6.27.33/kernel/vserver/sysctl.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/sysctl.c 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,244 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/sysctl.c linux-3.18.5-vs2.3.7.3/kernel/vserver/sysctl.c
+--- linux-3.18.5/kernel/vserver/sysctl.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/sysctl.c 2015-01-19 18:06:52.000000000 +0000
+@@ -0,0 +1,247 @@
+/*
+ * kernel/vserver/sysctl.c
+ *
+#include <linux/parser.h>
+#include <asm/uaccess.h>
+
-+
+enum {
+ CTL_DEBUG_ERROR = 0,
+ CTL_DEBUG_SWITCH = 1,
+ CTL_DEBUG_QUOTA,
+ CTL_DEBUG_CVIRT,
+ CTL_DEBUG_SPACE,
++ CTL_DEBUG_PERM,
+ CTL_DEBUG_MISC,
+};
+
+
-+unsigned int vx_debug_switch = 0;
-+unsigned int vx_debug_xid = 0;
-+unsigned int vx_debug_nid = 0;
-+unsigned int vx_debug_tag = 0;
-+unsigned int vx_debug_net = 0;
-+unsigned int vx_debug_limit = 0;
-+unsigned int vx_debug_cres = 0;
-+unsigned int vx_debug_dlim = 0;
-+unsigned int vx_debug_quota = 0;
-+unsigned int vx_debug_cvirt = 0;
-+unsigned int vx_debug_space = 0;
-+unsigned int vx_debug_misc = 0;
++unsigned int vs_debug_switch = 0;
++unsigned int vs_debug_xid = 0;
++unsigned int vs_debug_nid = 0;
++unsigned int vs_debug_tag = 0;
++unsigned int vs_debug_net = 0;
++unsigned int vs_debug_limit = 0;
++unsigned int vs_debug_cres = 0;
++unsigned int vs_debug_dlim = 0;
++unsigned int vs_debug_quota = 0;
++unsigned int vs_debug_cvirt = 0;
++unsigned int vs_debug_space = 0;
++unsigned int vs_debug_perm = 0;
++unsigned int vs_debug_misc = 0;
+
+
+static struct ctl_table_header *vserver_table_header;
-+static ctl_table vserver_root_table[];
++static struct ctl_table vserver_root_table[];
+
+
+void vserver_register_sysctl(void)
+}
+
+
-+static int proc_dodebug(ctl_table *table, int write,
-+ struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos)
++static int proc_dodebug(struct ctl_table *table, int write,
++ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ char tmpbuf[20], *p, c;
+ unsigned int value;
+
+#define CTL_ENTRY(ctl, name) \
+ { \
-+ .ctl_name = ctl, \
+ .procname = #name, \
-+ .data = &vx_ ## name, \
++ .data = &vs_ ## name, \
+ .maxlen = sizeof(int), \
+ .mode = 0644, \
+ .proc_handler = &proc_dodebug, \
-+ .strategy = &sysctl_intvec, \
+ .extra1 = &zero, \
++ .extra2 = &zero, \
+ }
+
-+static ctl_table vserver_debug_table[] = {
++static struct ctl_table vserver_debug_table[] = {
+ CTL_ENTRY(CTL_DEBUG_SWITCH, debug_switch),
+ CTL_ENTRY(CTL_DEBUG_XID, debug_xid),
+ CTL_ENTRY(CTL_DEBUG_NID, debug_nid),
+ CTL_ENTRY(CTL_DEBUG_QUOTA, debug_quota),
+ CTL_ENTRY(CTL_DEBUG_CVIRT, debug_cvirt),
+ CTL_ENTRY(CTL_DEBUG_SPACE, debug_space),
++ CTL_ENTRY(CTL_DEBUG_PERM, debug_perm),
+ CTL_ENTRY(CTL_DEBUG_MISC, debug_misc),
-+ { .ctl_name = 0 }
++ { 0 }
+};
+
-+static ctl_table vserver_root_table[] = {
++static struct ctl_table vserver_root_table[] = {
+ {
-+ .ctl_name = CTL_VSERVER,
+ .procname = "vserver",
+ .mode = 0555,
+ .child = vserver_debug_table
+ },
-+ { .ctl_name = 0 }
++ { 0 }
+};
+
+
+ { CTL_DEBUG_QUOTA, "quota=%x" },
+ { CTL_DEBUG_CVIRT, "cvirt=%x" },
+ { CTL_DEBUG_SPACE, "space=%x" },
++ { CTL_DEBUG_PERM, "perm=%x" },
+ { CTL_DEBUG_MISC, "misc=%x" },
+ { CTL_DEBUG_ERROR, NULL }
+};
+
+#define HANDLE_CASE(id, name, val) \
+ case CTL_DEBUG_ ## id: \
-+ vx_debug_ ## name = val; \
++ vs_debug_ ## name = val; \
+ printk("vs_debug_" #name "=0x%x\n", val); \
+ break
+
+ HANDLE_CASE(QUOTA, quota, value);
+ HANDLE_CASE(CVIRT, cvirt, value);
+ HANDLE_CASE(SPACE, space, value);
++ HANDLE_CASE(PERM, perm, value);
+ HANDLE_CASE(MISC, misc, value);
+ default:
+ return -EINVAL;
+
+
+
-+EXPORT_SYMBOL_GPL(vx_debug_switch);
-+EXPORT_SYMBOL_GPL(vx_debug_xid);
-+EXPORT_SYMBOL_GPL(vx_debug_nid);
-+EXPORT_SYMBOL_GPL(vx_debug_net);
-+EXPORT_SYMBOL_GPL(vx_debug_limit);
-+EXPORT_SYMBOL_GPL(vx_debug_cres);
-+EXPORT_SYMBOL_GPL(vx_debug_dlim);
-+EXPORT_SYMBOL_GPL(vx_debug_quota);
-+EXPORT_SYMBOL_GPL(vx_debug_cvirt);
-+EXPORT_SYMBOL_GPL(vx_debug_space);
-+EXPORT_SYMBOL_GPL(vx_debug_misc);
++EXPORT_SYMBOL_GPL(vs_debug_switch);
++EXPORT_SYMBOL_GPL(vs_debug_xid);
++EXPORT_SYMBOL_GPL(vs_debug_nid);
++EXPORT_SYMBOL_GPL(vs_debug_net);
++EXPORT_SYMBOL_GPL(vs_debug_limit);
++EXPORT_SYMBOL_GPL(vs_debug_cres);
++EXPORT_SYMBOL_GPL(vs_debug_dlim);
++EXPORT_SYMBOL_GPL(vs_debug_quota);
++EXPORT_SYMBOL_GPL(vs_debug_cvirt);
++EXPORT_SYMBOL_GPL(vs_debug_space);
++EXPORT_SYMBOL_GPL(vs_debug_perm);
++EXPORT_SYMBOL_GPL(vs_debug_misc);
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/tag.c linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/tag.c
---- linux-2.6.27.33/kernel/vserver/tag.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/tag.c 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/tag.c linux-3.18.5-vs2.3.7.3/kernel/vserver/tag.c
+--- linux-3.18.5/kernel/vserver/tag.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/tag.c 2015-01-19 10:58:31.000000000 +0000
@@ -0,0 +1,63 @@
+/*
+ * linux/kernel/vserver/tag.c
+#include <linux/vserver/tag_cmd.h>
+
+
-+int dx_migrate_task(struct task_struct *p, tag_t tag)
++int dx_migrate_task(struct task_struct *p, vtag_t tag)
+{
+ if (!p)
+ BUG();
+
+int vc_task_tag(uint32_t id)
+{
-+ tag_t tag;
++ vtag_t tag;
+
+ if (id) {
+ struct task_struct *tsk;
-+ read_lock(&tasklist_lock);
++ rcu_read_lock();
+ tsk = find_task_by_real_pid(id);
+ tag = (tsk) ? tsk->tag : -ESRCH;
-+ read_unlock(&tasklist_lock);
++ rcu_read_unlock();
+ } else
+ tag = dx_current_tag();
+ return tag;
+}
+
+
-diff -NurpP --minimal linux-2.6.27.33/kernel/vserver/vci_config.h linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/vci_config.h
---- linux-2.6.27.33/kernel/vserver/vci_config.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/kernel/vserver/vci_config.h 2008-10-31 18:16:04.000000000 +0100
-@@ -0,0 +1,81 @@
+diff -NurpP --minimal linux-3.18.5/kernel/vserver/vci_config.h linux-3.18.5-vs2.3.7.3/kernel/vserver/vci_config.h
+--- linux-3.18.5/kernel/vserver/vci_config.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/kernel/vserver/vci_config.h 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,80 @@
+
+/* interface version */
+
-+#define VCI_VERSION 0x00020304
++#define VCI_VERSION 0x00020308
+
+
+enum {
+ VCI_KCBIT_NO_DYNAMIC = 0,
+
+ VCI_KCBIT_PROC_SECURE = 4,
-+ VCI_KCBIT_HARDCPU = 5,
-+ VCI_KCBIT_IDLELIMIT = 6,
-+ VCI_KCBIT_IDLETIME = 7,
++ /* VCI_KCBIT_HARDCPU = 5, */
++ /* VCI_KCBIT_IDLELIMIT = 6, */
++ /* VCI_KCBIT_IDLETIME = 7, */
+
+ VCI_KCBIT_COWBL = 8,
+ VCI_KCBIT_FULLCOWBL = 9,
+ VCI_KCBIT_SPACES = 10,
+ VCI_KCBIT_NETV2 = 11,
++ VCI_KCBIT_MEMCG = 12,
++ VCI_KCBIT_MEMCG_SWAP = 13,
+
+ VCI_KCBIT_DEBUG = 16,
+ VCI_KCBIT_HISTORY = 20,
+#ifdef CONFIG_VSERVER_PROC_SECURE
+ (1 << VCI_KCBIT_PROC_SECURE) |
+#endif
-+#ifdef CONFIG_VSERVER_HARDCPU
-+ (1 << VCI_KCBIT_HARDCPU) |
-+#endif
-+#ifdef CONFIG_VSERVER_IDLELIMIT
-+ (1 << VCI_KCBIT_IDLELIMIT) |
-+#endif
-+#ifdef CONFIG_VSERVER_IDLETIME
-+ (1 << VCI_KCBIT_IDLETIME) |
-+#endif
+#ifdef CONFIG_VSERVER_COWBL
+ (1 << VCI_KCBIT_COWBL) |
+ (1 << VCI_KCBIT_FULLCOWBL) |
+#endif
+ (1 << VCI_KCBIT_SPACES) |
+ (1 << VCI_KCBIT_NETV2) |
-+
-+ /* debug options */
-+#ifdef CONFIG_VSERVER_DEBUG
-+ (1 << VCI_KCBIT_DEBUG) |
-+#endif
-+#ifdef CONFIG_VSERVER_HISTORY
-+ (1 << VCI_KCBIT_HISTORY) |
++#ifdef CONFIG_MEMCG
++ (1 << VCI_KCBIT_MEMCG) |
+#endif
-+
-+ /* inode context tagging */
-+#if defined(CONFIG_TAGGING_NONE)
-+ (0 << VCI_KCBIT_TAGGED) |
-+#elif defined(CONFIG_TAGGING_UID16)
-+ (1 << VCI_KCBIT_TAGGED) |
-+#elif defined(CONFIG_TAGGING_GID16)
-+ (2 << VCI_KCBIT_TAGGED) |
-+#elif defined(CONFIG_TAGGING_ID24)
-+ (3 << VCI_KCBIT_TAGGED) |
-+#elif defined(CONFIG_TAGGING_INTERN)
-+ (4 << VCI_KCBIT_TAGGED) |
-+#elif defined(CONFIG_TAGGING_RUNTIME)
-+ (5 << VCI_KCBIT_TAGGED) |
-+#else
-+ (7 << VCI_KCBIT_TAGGED) |
++#ifdef CONFIG_MEMCG_SWAP
++ (1 << VCI_KCBIT_MEMCG_SWAP) |
+#endif
-+ (1 << VCI_KCBIT_PPTAG) |
-+ 0;
-+}
-+
-diff -NurpP --minimal linux-2.6.27.33/mm/filemap_xip.c linux-2.6.27.33-vs2.3.0.36.6/mm/filemap_xip.c
---- linux-2.6.27.33/mm/filemap_xip.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/filemap_xip.c 2009-05-15 22:57:04.000000000 +0200
-@@ -17,6 +17,7 @@
- #include <linux/sched.h>
- #include <linux/seqlock.h>
- #include <linux/mutex.h>
-+#include <linux/vs_memory.h>
- #include <asm/tlbflush.h>
- #include <asm/io.h>
-
-diff -NurpP --minimal linux-2.6.27.33/mm/fremap.c linux-2.6.27.33-vs2.3.0.36.6/mm/fremap.c
---- linux-2.6.27.33/mm/fremap.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/fremap.c 2009-02-03 17:59:04.000000000 +0100
-@@ -16,6 +16,7 @@
- #include <linux/module.h>
- #include <linux/syscalls.h>
- #include <linux/mmu_notifier.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/mmu_context.h>
- #include <asm/cacheflush.h>
-diff -NurpP --minimal linux-2.6.27.33/mm/hugetlb.c linux-2.6.27.33-vs2.3.0.36.6/mm/hugetlb.c
---- linux-2.6.27.33/mm/hugetlb.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/hugetlb.c 2009-08-17 19:07:36.000000000 +0200
-@@ -23,6 +23,7 @@
- #include <asm/io.h>
-
- #include <linux/hugetlb.h>
-+#include <linux/vs_memory.h>
- #include "internal.h"
-
- const unsigned long hugetlb_zero = 0, hugetlb_infinity = ~0UL;
-diff -NurpP --minimal linux-2.6.27.33/mm/memory.c linux-2.6.27.33-vs2.3.0.36.6/mm/memory.c
---- linux-2.6.27.33/mm/memory.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/memory.c 2009-05-22 00:47:40.000000000 +0200
-@@ -562,6 +562,9 @@ static int copy_pte_range(struct mm_stru
- int progress = 0;
- int rss[2];
-
-+ if (!vx_rss_avail(dst_mm, ((end - addr)/PAGE_SIZE + 1)))
-+ return -ENOMEM;
-+
- again:
- rss[1] = rss[0] = 0;
- dst_pte = pte_alloc_map_lock(dst_mm, dst_pmd, addr, &dst_ptl);
-@@ -2340,6 +2343,11 @@ static int do_swap_page(struct mm_struct
- goto out;
- }
-
-+ if (!vx_rss_avail(mm, 1)) {
-+ ret = VM_FAULT_OOM;
-+ goto out;
-+ }
+
- mark_page_accessed(page);
- lock_page(page);
- delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
-@@ -2411,6 +2419,8 @@ static int do_anonymous_page(struct mm_s
- /* Allocate our own private page. */
- pte_unmap(page_table);
-
-+ if (!vx_rss_avail(mm, 1))
-+ goto oom;
- if (unlikely(anon_vma_prepare(vma)))
- goto oom;
- page = alloc_zeroed_user_highpage_movable(vma, address);
-@@ -2688,6 +2698,7 @@ static inline int handle_pte_fault(struc
- {
- pte_t entry;
- spinlock_t *ptl;
-+ int ret = 0, type = VXPT_UNKNOWN;
-
- entry = *pte;
- if (!pte_present(entry)) {
-@@ -2712,9 +2723,12 @@ static inline int handle_pte_fault(struc
- if (unlikely(!pte_same(*pte, entry)))
- goto unlock;
- if (write_access) {
-- if (!pte_write(entry))
-- return do_wp_page(mm, vma, address,
-+ if (!pte_write(entry)) {
-+ ret = do_wp_page(mm, vma, address,
- pte, pmd, ptl, entry);
-+ type = VXPT_WRITE;
-+ goto out;
-+ }
- entry = pte_mkdirty(entry);
- }
- entry = pte_mkyoung(entry);
-@@ -2732,7 +2746,10 @@ static inline int handle_pte_fault(struc
- }
- unlock:
- pte_unmap_unlock(pte, ptl);
-- return 0;
-+ ret = 0;
-+out:
-+ vx_page_fault(mm, vma, type, ret);
-+ return ret;
- }
-
- /*
-diff -NurpP --minimal linux-2.6.27.33/mm/mlock.c linux-2.6.27.33-vs2.3.0.36.6/mm/mlock.c
---- linux-2.6.27.33/mm/mlock.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/mlock.c 2009-02-03 17:59:04.000000000 +0100
-@@ -12,6 +12,7 @@
- #include <linux/syscalls.h>
- #include <linux/sched.h>
- #include <linux/module.h>
-+#include <linux/vs_memory.h>
-
- int can_do_mlock(void)
- {
-@@ -76,7 +77,7 @@ success:
- ret = make_pages_present(start, end);
- }
-
-- mm->locked_vm -= pages;
-+ vx_vmlocked_sub(mm, pages);
- out:
- return ret;
- }
-@@ -132,7 +133,7 @@ static int do_mlock(unsigned long start,
-
- SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)
- {
-- unsigned long locked;
-+ unsigned long locked, grow;
- unsigned long lock_limit;
- int error = -ENOMEM;
-
-@@ -143,8 +144,10 @@ SYSCALL_DEFINE2(mlock, unsigned long, st
- len = PAGE_ALIGN(len + (start & ~PAGE_MASK));
- start &= PAGE_MASK;
-
-- locked = len >> PAGE_SHIFT;
-- locked += current->mm->locked_vm;
-+ grow = len >> PAGE_SHIFT;
-+ if (!vx_vmlocked_avail(current->mm, grow))
-+ goto out;
-+ locked = current->mm->locked_vm + grow;
-
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
- lock_limit >>= PAGE_SHIFT;
-@@ -152,6 +155,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, st
- /* check against resource limits */
- if ((locked <= lock_limit) || capable(CAP_IPC_LOCK))
- error = do_mlock(start, len, 1);
-+out:
- up_write(¤t->mm->mmap_sem);
- return error;
- }
-@@ -211,6 +215,8 @@ SYSCALL_DEFINE1(mlockall, int, flags)
- lock_limit >>= PAGE_SHIFT;
-
- ret = -ENOMEM;
-+ if (!vx_vmlocked_avail(current->mm, current->mm->total_vm))
-+ goto out;
- if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) ||
- capable(CAP_IPC_LOCK))
- ret = do_mlockall(flags);
-diff -NurpP --minimal linux-2.6.27.33/mm/mmap.c linux-2.6.27.33-vs2.3.0.36.6/mm/mmap.c
---- linux-2.6.27.33/mm/mmap.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/mmap.c 2009-07-21 15:54:27.000000000 +0200
-@@ -1224,10 +1224,10 @@ munmap_back:
- if (correct_wcount)
- atomic_inc(&inode->i_writecount);
- out:
-- mm->total_vm += len >> PAGE_SHIFT;
-+ vx_vmpages_add(mm, len >> PAGE_SHIFT);
- vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
- if (vm_flags & VM_LOCKED) {
-- mm->locked_vm += len >> PAGE_SHIFT;
-+ vx_vmlocked_add(mm, len >> PAGE_SHIFT);
- make_pages_present(addr, addr + len);
- }
- if ((flags & MAP_POPULATE) && !(flags & MAP_NONBLOCK))
-@@ -1576,9 +1576,9 @@ static int acct_stack_growth(struct vm_a
- return -ENOMEM;
-
- /* Ok, everything looks good - let it rip */
-- mm->total_vm += grow;
-+ vx_vmpages_add(mm, grow);
- if (vma->vm_flags & VM_LOCKED)
-- mm->locked_vm += grow;
-+ vx_vmlocked_add(mm, grow);
- vm_stat_account(mm, vma->vm_flags, vma->vm_file, grow);
- return 0;
- }
-@@ -1749,9 +1749,9 @@ static void remove_vma_list(struct mm_st
- do {
- long nrpages = vma_pages(vma);
-
-- mm->total_vm -= nrpages;
-+ vx_vmpages_sub(mm, nrpages);
- if (vma->vm_flags & VM_LOCKED)
-- mm->locked_vm -= nrpages;
-+ vx_vmlocked_sub(mm, nrpages);
- vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages);
- vma = remove_vma(vma);
- } while (vma);
-@@ -1998,6 +1998,8 @@ unsigned long do_brk(unsigned long addr,
- lock_limit >>= PAGE_SHIFT;
- if (locked > lock_limit && !capable(CAP_IPC_LOCK))
- return -EAGAIN;
-+ if (!vx_vmlocked_avail(mm, len >> PAGE_SHIFT))
-+ return -ENOMEM;
- }
-
- /*
-@@ -2024,7 +2026,8 @@ unsigned long do_brk(unsigned long addr,
- if (mm->map_count > sysctl_max_map_count)
- return -ENOMEM;
-
-- if (security_vm_enough_memory(len >> PAGE_SHIFT))
-+ if (security_vm_enough_memory(len >> PAGE_SHIFT) ||
-+ !vx_vmpages_avail(mm, len >> PAGE_SHIFT))
- return -ENOMEM;
-
- /* Can we just expand an old private anonymous mapping? */
-@@ -2049,9 +2052,9 @@ unsigned long do_brk(unsigned long addr,
- vma->vm_page_prot = vm_get_page_prot(flags);
- vma_link(mm, vma, prev, rb_link, rb_parent);
- out:
-- mm->total_vm += len >> PAGE_SHIFT;
-+ vx_vmpages_add(mm, len >> PAGE_SHIFT);
- if (flags & VM_LOCKED) {
-- mm->locked_vm += len >> PAGE_SHIFT;
-+ vx_vmlocked_add(mm, len >> PAGE_SHIFT);
- make_pages_present(addr, addr + len);
- }
- return addr;
-@@ -2084,6 +2087,11 @@ void exit_mmap(struct mm_struct *mm)
- free_pgtables(tlb, vma, FIRST_USER_ADDRESS, 0);
- tlb_finish_mmu(tlb, 0, end);
-
-+ set_mm_counter(mm, file_rss, 0);
-+ set_mm_counter(mm, anon_rss, 0);
-+ vx_vmpages_sub(mm, mm->total_vm);
-+ vx_vmlocked_sub(mm, mm->locked_vm);
++ /* debug options */
++#ifdef CONFIG_VSERVER_DEBUG
++ (1 << VCI_KCBIT_DEBUG) |
++#endif
++#ifdef CONFIG_VSERVER_HISTORY
++ (1 << VCI_KCBIT_HISTORY) |
++#endif
+
- /*
- * Walk the list again, actually closing and freeing it,
- * with preemption enabled, without holding any MM locks.
-@@ -2123,7 +2131,8 @@ int insert_vm_struct(struct mm_struct *
- if (__vma && __vma->vm_start < vma->vm_end)
- return -ENOMEM;
- if ((vma->vm_flags & VM_ACCOUNT) &&
-- security_vm_enough_memory_mm(mm, vma_pages(vma)))
-+ (security_vm_enough_memory_mm(mm, vma_pages(vma)) ||
-+ !vx_vmpages_avail(mm, vma_pages(vma))))
- return -ENOMEM;
- vma_link(mm, vma, prev, rb_link, rb_parent);
- return 0;
-@@ -2199,6 +2208,8 @@ int may_expand_vm(struct mm_struct *mm,
-
- if (cur + npages > lim)
- return 0;
-+ if (!vx_vmpages_avail(mm, npages))
-+ return 0;
- return 1;
- }
-
-@@ -2276,8 +2287,7 @@ int install_special_mapping(struct mm_st
- return -ENOMEM;
- }
-
-- mm->total_vm += len >> PAGE_SHIFT;
--
-+ vx_vmpages_add(mm, len >> PAGE_SHIFT);
- return 0;
++ /* inode context tagging */
++#if defined(CONFIG_TAGGING_NONE)
++ (0 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_UID16)
++ (1 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_GID16)
++ (2 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_ID24)
++ (3 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_INTERN)
++ (4 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_RUNTIME)
++ (5 << VCI_KCBIT_TAGGED) |
++#else
++ (7 << VCI_KCBIT_TAGGED) |
++#endif
++ (1 << VCI_KCBIT_PPTAG) |
++ 0;
++}
++
+diff -NurpP --minimal linux-3.18.5/mm/memcontrol.c linux-3.18.5-vs2.3.7.3/mm/memcontrol.c
+--- linux-3.18.5/mm/memcontrol.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/mm/memcontrol.c 2015-01-19 11:03:45.000000000 +0000
+@@ -2653,6 +2653,31 @@ static struct mem_cgroup *mem_cgroup_loo
+ return mem_cgroup_from_id(id);
}
-diff -NurpP --minimal linux-2.6.27.33/mm/mremap.c linux-2.6.27.33-vs2.3.0.36.6/mm/mremap.c
---- linux-2.6.27.33/mm/mremap.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/mremap.c 2009-02-03 17:59:04.000000000 +0100
-@@ -19,6 +19,7 @@
- #include <linux/security.h>
- #include <linux/syscalls.h>
- #include <linux/mmu_notifier.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/uaccess.h>
- #include <asm/cacheflush.h>
-@@ -218,7 +219,7 @@ static unsigned long move_vma(struct vm_
- * If this were a serious issue, we'd add a flag to do_munmap().
- */
- hiwater_vm = mm->hiwater_vm;
-- mm->total_vm += new_len >> PAGE_SHIFT;
-+ vx_vmpages_add(mm, new_len >> PAGE_SHIFT);
- vm_stat_account(mm, vma->vm_flags, vma->vm_file, new_len>>PAGE_SHIFT);
-
- if (do_munmap(mm, old_addr, old_len) < 0) {
-@@ -236,7 +237,7 @@ static unsigned long move_vma(struct vm_
- }
-
- if (vm_flags & VM_LOCKED) {
-- mm->locked_vm += new_len >> PAGE_SHIFT;
-+ vx_vmlocked_add(mm, new_len >> PAGE_SHIFT);
- if (new_len > old_len)
- make_pages_present(new_addr + old_len,
- new_addr + new_len);
-@@ -347,6 +348,9 @@ unsigned long do_mremap(unsigned long ad
- ret = -EAGAIN;
- if (locked > lock_limit && !capable(CAP_IPC_LOCK))
- goto out;
-+ if (!vx_vmlocked_avail(current->mm,
-+ (new_len - old_len) >> PAGE_SHIFT))
-+ goto out;
- }
- if (!may_expand_vm(mm, (new_len - old_len) >> PAGE_SHIFT)) {
- ret = -ENOMEM;
-@@ -375,10 +379,10 @@ unsigned long do_mremap(unsigned long ad
- vma_adjust(vma, vma->vm_start,
- addr + new_len, vma->vm_pgoff, NULL);
-
-- mm->total_vm += pages;
-+ vx_vmpages_add(mm, pages);
- vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages);
- if (vma->vm_flags & VM_LOCKED) {
-- mm->locked_vm += pages;
-+ vx_vmlocked_add(mm, pages);
- make_pages_present(addr + old_len,
- addr + new_len);
- }
-diff -NurpP --minimal linux-2.6.27.33/mm/nommu.c linux-2.6.27.33-vs2.3.0.36.6/mm/nommu.c
---- linux-2.6.27.33/mm/nommu.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/nommu.c 2009-02-03 17:59:04.000000000 +0100
-@@ -1028,7 +1028,7 @@ unsigned long do_mmap_pgoff(struct file
- realalloc += kobjsize(vma);
- askedalloc += sizeof(*vma);
-
-- current->mm->total_vm += len >> PAGE_SHIFT;
-+ vx_vmpages_add(current->mm, len >> PAGE_SHIFT);
-
- add_nommu_vma(vma);
-
-@@ -1160,7 +1160,7 @@ int do_munmap(struct mm_struct *mm, unsi
- kfree(vml);
-
- update_hiwater_vm(mm);
-- mm->total_vm -= len >> PAGE_SHIFT;
-+ vx_vmpages_sub(mm, len >> PAGE_SHIFT);
-
- #ifdef DEBUG
- show_process_blocks();
-@@ -1193,7 +1193,7 @@ void exit_mmap(struct mm_struct * mm)
- printk("Exit_mmap:\n");
- #endif
-
-- mm->total_vm = 0;
-+ vx_vmpages_sub(mm, mm->total_vm);
-
- while ((tmp = mm->context.vmlist)) {
- mm->context.vmlist = tmp->next;
-diff -NurpP --minimal linux-2.6.27.33/mm/oom_kill.c linux-2.6.27.33-vs2.3.0.36.6/mm/oom_kill.c
---- linux-2.6.27.33/mm/oom_kill.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/oom_kill.c 2008-10-13 14:54:20.000000000 +0200
-@@ -27,6 +27,7 @@
- #include <linux/notifier.h>
- #include <linux/memcontrol.h>
- #include <linux/security.h>
-+#include <linux/vs_memory.h>
-
- int sysctl_panic_on_oom;
- int sysctl_oom_kill_allocating_task;
-@@ -73,6 +74,12 @@ unsigned long badness(struct task_struct
- points = mm->total_vm;
-
- /*
-+ * add points for context badness
-+ */
++u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member)
++{
++ return res_counter_read_u64(&mem->res, member);
++}
+
-+ points += vx_badness(p, mm);
++u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member)
++{
++ return res_counter_read_u64(&mem->memsw, member);
++}
+
-+ /*
- * After this unlock we can no longer dereference local variable `mm'
- */
++s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_CACHE);
++}
++
++s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_RSS);
++}
++
++s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_FILE_MAPPED);
++}
++
+ /*
+ * try_get_mem_cgroup_from_page - look up page's memcg association
+ * @page: the page
+diff -NurpP --minimal linux-3.18.5/mm/oom_kill.c linux-3.18.5-vs2.3.7.3/mm/oom_kill.c
+--- linux-3.18.5/mm/oom_kill.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/mm/oom_kill.c 2015-01-19 10:58:31.000000000 +0000
+@@ -35,6 +35,8 @@
+ #include <linux/freezer.h>
+ #include <linux/ftrace.h>
+ #include <linux/ratelimit.h>
++#include <linux/reboot.h>
++#include <linux/vs_context.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/oom.h>
+@@ -121,11 +123,18 @@ found:
+ static bool oom_unkillable_task(struct task_struct *p,
+ const struct mem_cgroup *memcg, const nodemask_t *nodemask)
+ {
+- if (is_global_init(p))
++ unsigned xid = vx_current_xid();
++
++ /* skip the init task, global and per guest */
++ if (task_is_init(p))
+ return true;
+ if (p->flags & PF_KTHREAD)
+ return true;
+
++ /* skip other guest and host processes if oom in guest */
++ if (xid && vx_task_xid(p) != xid)
++ return true;
++
+ /* When mem_cgroup_out_of_memory() and p is not member of the group */
+ if (memcg && !task_in_mem_cgroup(p, memcg))
+ return true;
+@@ -453,8 +462,8 @@ void oom_kill_process(struct task_struct
+ dump_header(p, gfp_mask, order, memcg, nodemask);
+
+ task_lock(p);
+- pr_err("%s: Kill process %d (%s) score %d or sacrifice child\n",
+- message, task_pid_nr(p), p->comm, points);
++ pr_err("%s: Kill process %d:#%u (%s) score %d or sacrifice child\n",
++ message, task_pid_nr(p), p->xid, p->comm, points);
task_unlock(p);
-@@ -163,8 +170,8 @@ unsigned long badness(struct task_struct
- }
- #ifdef DEBUG
-- printk(KERN_DEBUG "OOMkill: task %d (%s) got %lu points\n",
-- p->pid, p->comm, points);
-+ printk(KERN_DEBUG "OOMkill: task %d:#%u (%s) got %d points\n",
-+ task_pid_nr(p), p->xid, p->comm, points);
- #endif
- return points;
+ /*
+@@ -497,8 +506,8 @@ void oom_kill_process(struct task_struct
+
+ /* mm cannot safely be dereferenced after task_unlock(victim) */
+ mm = victim->mm;
+- pr_err("Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
+- task_pid_nr(victim), victim->comm, K(victim->mm->total_vm),
++ pr_err("Killed process %d:#%u (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
++ task_pid_nr(victim), victim->xid, victim->comm, K(victim->mm->total_vm),
+ K(get_mm_counter(victim->mm, MM_ANONPAGES)),
+ K(get_mm_counter(victim->mm, MM_FILEPAGES)));
+ task_unlock(victim);
+@@ -569,6 +578,8 @@ int unregister_oom_notifier(struct notif
}
-@@ -325,8 +332,8 @@ static void __oom_kill_task(struct task_
- }
-
- if (verbose)
-- printk(KERN_ERR "Killed process %d (%s)\n",
-- task_pid_nr(p), p->comm);
-+ printk(KERN_ERR "Killed process %d:#%u (%s)\n",
-+ task_pid_nr(p), p->xid, p->comm);
+ EXPORT_SYMBOL_GPL(unregister_oom_notifier);
- /*
- * We give our sacrificial lamb high priority and access to
-@@ -406,8 +413,8 @@ static int oom_kill_process(struct task_
- return 0;
++long vs_oom_action(unsigned int);
++
+ /*
+ * Try to acquire the OOM killer lock for the zones in zonelist. Returns zero
+ * if a parallel OOM killing is already taking place that includes a zone in
+@@ -677,7 +688,12 @@ void out_of_memory(struct zonelist *zone
+ /* Found nothing?!?! Either we hang forever, or we panic. */
+ if (!p) {
+ dump_header(NULL, gfp_mask, order, NULL, mpol_mask);
+- panic("Out of memory and no killable processes...\n");
++
++ /* avoid panic for guest OOM */
++ if (vx_current_xid())
++ vs_oom_action(LINUX_REBOOT_CMD_OOM);
++ else
++ panic("Out of memory and no killable processes...\n");
}
-
-- printk(KERN_ERR "%s: kill process %d (%s) score %li or a child\n",
-- message, task_pid_nr(p), p->comm, points);
-+ printk(KERN_ERR "%s: kill process %d:#%u (%s) score %li or a child\n",
-+ message, task_pid_nr(p), p->xid, p->comm, points);
-
- /* Try to kill a child first */
- list_for_each_entry(c, &p->children, sibling) {
-diff -NurpP --minimal linux-2.6.27.33/mm/page_alloc.c linux-2.6.27.33-vs2.3.0.36.6/mm/page_alloc.c
---- linux-2.6.27.33/mm/page_alloc.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/page_alloc.c 2009-08-17 19:07:36.000000000 +0200
-@@ -46,6 +46,8 @@
- #include <linux/page-isolation.h>
- #include <linux/memcontrol.h>
- #include <linux/debugobjects.h>
+ if (p != (void *)-1UL) {
+ oom_kill_process(p, gfp_mask, order, points, totalpages, NULL,
+diff -NurpP --minimal linux-3.18.5/mm/page_alloc.c linux-3.18.5-vs2.3.7.3/mm/page_alloc.c
+--- linux-3.18.5/mm/page_alloc.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/mm/page_alloc.c 2015-01-19 10:58:31.000000000 +0000
+@@ -59,6 +59,8 @@
+ #include <linux/page-debug-flags.h>
+ #include <linux/hugetlb.h>
+ #include <linux/sched/rt.h>
+#include <linux/vs_base.h>
+#include <linux/vs_limit.h>
+ #include <asm/sections.h>
#include <asm/tlbflush.h>
- #include <asm/div64.h>
-@@ -1828,6 +1830,9 @@ void si_meminfo(struct sysinfo *val)
+@@ -3096,6 +3098,9 @@ void si_meminfo(struct sysinfo *val)
val->totalhigh = totalhigh_pages;
val->freehigh = nr_free_highpages();
val->mem_unit = PAGE_SIZE;
}
EXPORT_SYMBOL(si_meminfo);
-@@ -1848,6 +1853,9 @@ void si_meminfo_node(struct sysinfo *val
+@@ -3121,6 +3126,9 @@ void si_meminfo_node(struct sysinfo *val
val->freehigh = 0;
#endif
val->mem_unit = PAGE_SIZE;
}
#endif
-diff -NurpP --minimal linux-2.6.27.33/mm/rmap.c linux-2.6.27.33-vs2.3.0.36.6/mm/rmap.c
---- linux-2.6.27.33/mm/rmap.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/rmap.c 2009-02-03 17:59:04.000000000 +0100
-@@ -50,6 +50,7 @@
- #include <linux/kallsyms.h>
- #include <linux/memcontrol.h>
- #include <linux/mmu_notifier.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/tlbflush.h>
-
-diff -NurpP --minimal linux-2.6.27.33/mm/shmem.c linux-2.6.27.33-vs2.3.0.36.6/mm/shmem.c
---- linux-2.6.27.33/mm/shmem.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/shmem.c 2008-10-13 14:54:20.000000000 +0200
-@@ -56,7 +56,6 @@
- #include <asm/pgtable.h>
-
- /* This magic number is used in glibc for posix shared memory */
--#define TMPFS_MAGIC 0x01021994
+diff -NurpP --minimal linux-3.18.5/mm/pgtable-generic.c linux-3.18.5-vs2.3.7.3/mm/pgtable-generic.c
+--- linux-3.18.5/mm/pgtable-generic.c 2015-01-16 22:19:29.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/mm/pgtable-generic.c 2015-01-19 10:58:31.000000000 +0000
+@@ -6,6 +6,8 @@
+ * Copyright (C) 2010 Linus Torvalds
+ */
- #define ENTRIES_PER_PAGE (PAGE_CACHE_SIZE/sizeof(unsigned long))
- #define ENTRIES_PER_PAGEPAGE (ENTRIES_PER_PAGE*ENTRIES_PER_PAGE)
-@@ -1738,7 +1737,7 @@ static int shmem_statfs(struct dentry *d
++#include <linux/mm.h>
++
+ #include <linux/pagemap.h>
+ #include <asm/tlb.h>
+ #include <asm-generic/pgtable.h>
+diff -NurpP --minimal linux-3.18.5/mm/shmem.c linux-3.18.5-vs2.3.7.3/mm/shmem.c
+--- linux-3.18.5/mm/shmem.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/mm/shmem.c 2015-01-19 10:58:31.000000000 +0000
+@@ -2183,7 +2183,7 @@ static int shmem_statfs(struct dentry *d
{
struct shmem_sb_info *sbinfo = SHMEM_SB(dentry->d_sb);
+ buf->f_type = TMPFS_SUPER_MAGIC;
buf->f_bsize = PAGE_CACHE_SIZE;
buf->f_namelen = NAME_MAX;
- spin_lock(&sbinfo->stat_lock);
-@@ -2306,7 +2305,7 @@ static int shmem_fill_super(struct super
- sb->s_maxbytes = SHMEM_MAX_BYTES;
+ if (sbinfo->max_blocks) {
+@@ -3036,7 +3036,7 @@ int shmem_fill_super(struct super_block
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
- sb->s_magic = TMPFS_MAGIC;
+ sb->s_magic = TMPFS_SUPER_MAGIC;
sb->s_op = &shmem_ops;
sb->s_time_gran = 1;
- #ifdef CONFIG_TMPFS_POSIX_ACL
-diff -NurpP --minimal linux-2.6.27.33/mm/slab.c linux-2.6.27.33-vs2.3.0.36.6/mm/slab.c
---- linux-2.6.27.33/mm/slab.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/slab.c 2009-08-01 01:45:51.000000000 +0200
-@@ -508,6 +508,8 @@ struct kmem_cache {
+ #ifdef CONFIG_TMPFS_XATTR
+diff -NurpP --minimal linux-3.18.5/mm/slab.c linux-3.18.5-vs2.3.7.3/mm/slab.c
+--- linux-3.18.5/mm/slab.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/mm/slab.c 2015-01-19 10:58:31.000000000 +0000
+@@ -336,6 +336,8 @@ static void kmem_cache_node_init(struct
#define STATS_INC_FREEMISS(x) do { } while (0)
#endif
#if DEBUG
/*
-@@ -3337,6 +3339,7 @@ retry:
-
- obj = slab_get_obj(cachep, slabp, nodeid);
- check_slabp(cachep, slabp);
-+ vx_slab_alloc(cachep, flags);
- l3->free_objects--;
- /* move slabp to correct slabp list: */
- list_del(&slabp->list);
-@@ -3409,6 +3412,7 @@ __cache_alloc_node(struct kmem_cache *ca
+@@ -3168,6 +3170,7 @@ slab_alloc_node(struct kmem_cache *cache
/* ___cache_alloc_node can fall back to other nodes */
ptr = ____cache_alloc_node(cachep, flags, nodeid);
out:
+ vx_slab_alloc(cachep, flags);
local_irq_restore(save_flags);
ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, caller);
-
-@@ -3580,6 +3584,7 @@ static inline void __cache_free(struct k
-
+ kmemleak_alloc_recursive(ptr, cachep->object_size, 1, cachep->flags,
+@@ -3354,6 +3357,7 @@ static inline void __cache_free(struct k
check_irq_off();
- objp = cache_free_debugcheck(cachep, objp, __builtin_return_address(0));
+ kmemleak_free_recursive(objp, cachep->flags);
+ objp = cache_free_debugcheck(cachep, objp, caller);
+ vx_slab_free(cachep);
- /*
- * Skip calling cache_free_alien() when the platform is not numa.
-diff -NurpP --minimal linux-2.6.27.33/mm/slab_vs.h linux-2.6.27.33-vs2.3.0.36.6/mm/slab_vs.h
---- linux-2.6.27.33/mm/slab_vs.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/slab_vs.h 2008-10-13 14:54:20.000000000 +0200
-@@ -0,0 +1,27 @@
+ kmemcheck_slab_free(cachep, objp, cachep->object_size);
+
+diff -NurpP --minimal linux-3.18.5/mm/slab_vs.h linux-3.18.5-vs2.3.7.3/mm/slab_vs.h
+--- linux-3.18.5/mm/slab_vs.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/mm/slab_vs.h 2015-01-19 10:58:31.000000000 +0000
+@@ -0,0 +1,29 @@
+
+#include <linux/vserver/context.h>
+
+static inline
+void vx_slab_alloc(struct kmem_cache *cachep, gfp_t flags)
+{
-+ int what = gfp_zone(cachep->gfpflags);
++ int what = gfp_zone(cachep->allocflags);
++ struct vx_info *vxi = current_vx_info();
+
-+ if (!current->vx_info)
++ if (!vxi)
+ return;
+
-+ atomic_add(cachep->buffer_size, ¤t->vx_info->cacct.slab[what]);
++ atomic_add(cachep->size, &vxi->cacct.slab[what]);
+}
+
+static inline
+void vx_slab_free(struct kmem_cache *cachep)
+{
-+ int what = gfp_zone(cachep->gfpflags);
++ int what = gfp_zone(cachep->allocflags);
++ struct vx_info *vxi = current_vx_info();
+
-+ if (!current->vx_info)
++ if (!vxi)
+ return;
+
-+ atomic_sub(cachep->buffer_size, ¤t->vx_info->cacct.slab[what]);
++ atomic_sub(cachep->size, &vxi->cacct.slab[what]);
+}
+
-diff -NurpP --minimal linux-2.6.27.33/mm/swapfile.c linux-2.6.27.33-vs2.3.0.36.6/mm/swapfile.c
---- linux-2.6.27.33/mm/swapfile.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/mm/swapfile.c 2009-02-03 17:59:04.000000000 +0100
-@@ -32,6 +32,8 @@
- #include <asm/pgtable.h>
+diff -NurpP --minimal linux-3.18.5/mm/swapfile.c linux-3.18.5-vs2.3.7.3/mm/swapfile.c
+--- linux-3.18.5/mm/swapfile.c 2015-01-16 22:19:29.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/mm/swapfile.c 2015-01-19 10:58:31.000000000 +0000
+@@ -39,6 +39,7 @@
#include <asm/tlbflush.h>
#include <linux/swapops.h>
+ #include <linux/page_cgroup.h>
+#include <linux/vs_base.h>
-+#include <linux/vs_memory.h>
- static DEFINE_SPINLOCK(swap_lock);
- static unsigned int nr_swapfiles;
-@@ -1748,6 +1750,8 @@ void si_swapinfo(struct sysinfo *val)
- val->freeswap = nr_swap_pages + nr_to_be_unused;
+ static bool swap_count_continued(struct swap_info_struct *, pgoff_t,
+ unsigned char);
+@@ -2028,6 +2029,16 @@ static int swap_show(struct seq_file *sw
+
+ if (si == SEQ_START_TOKEN) {
+ seq_puts(swap,"Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n");
++ if (vx_flags(VXF_VIRT_MEM, 0)) {
++ struct sysinfo si;
++
++ vx_vsi_swapinfo(&si);
++ if (si.totalswap < (1 << 10))
++ return 0;
++ seq_printf(swap, "%s\t\t\t\t\t%s\t%lu\t%lu\t%d\n",
++ "hdv0", "partition", si.totalswap >> 10,
++ (si.totalswap - si.freeswap) >> 10, -1);
++ }
+ return 0;
+ }
+
+@@ -2576,6 +2587,8 @@ void si_swapinfo(struct sysinfo *val)
+ val->freeswap = atomic_long_read(&nr_swap_pages) + nr_to_be_unused;
val->totalswap = total_swap_pages + nr_to_be_unused;
spin_unlock(&swap_lock);
+ if (vx_flags(VXF_VIRT_MEM, 0))
}
/*
-diff -NurpP --minimal linux-2.6.27.33/net/core/dev.c linux-2.6.27.33-vs2.3.0.36.6/net/core/dev.c
---- linux-2.6.27.33/net/core/dev.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/core/dev.c 2009-02-22 22:58:33.000000000 +0100
-@@ -127,6 +127,7 @@
+diff -NurpP --minimal linux-3.18.5/net/bridge/br_multicast.c linux-3.18.5-vs2.3.7.3/net/bridge/br_multicast.c
+--- linux-3.18.5/net/bridge/br_multicast.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/bridge/br_multicast.c 2015-01-19 10:58:31.000000000 +0000
+@@ -448,7 +448,7 @@ static struct sk_buff *br_ip6_multicast_
+ ip6h->hop_limit = 1;
+ ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
+ if (ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
+- &ip6h->saddr)) {
++ &ip6h->saddr, NULL)) {
+ kfree_skb(skb);
+ return NULL;
+ }
+diff -NurpP --minimal linux-3.18.5/net/core/dev.c linux-3.18.5-vs2.3.7.3/net/core/dev.c
+--- linux-3.18.5/net/core/dev.c 2015-02-05 18:02:46.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/core/dev.c 2015-01-28 11:48:02.000000000 +0000
+@@ -122,6 +122,7 @@
#include <linux/in.h>
#include <linux/jhash.h>
#include <linux/random.h>
+#include <linux/vs_inet.h>
+ #include <trace/events/napi.h>
+ #include <trace/events/net.h>
+ #include <trace/events/skb.h>
+@@ -674,7 +675,8 @@ struct net_device *__dev_get_by_name(str
+ struct hlist_head *head = dev_name_hash(net, name);
+
+ hlist_for_each_entry(dev, head, name_hlist)
+- if (!strncmp(dev->name, name, IFNAMSIZ))
++ if (!strncmp(dev->name, name, IFNAMSIZ) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
- #include "net-sysfs.h"
-
-@@ -925,10 +926,15 @@ int dev_change_name(struct net_device *d
- strlcpy(dev->name, newname, IFNAMSIZ);
-
- rollback:
-- err = device_rename(&dev->dev, dev->name);
-- if (err) {
-- memcpy(dev->name, oldname, IFNAMSIZ);
-- return err;
-+ /* For now only devices in the initial network namespace
-+ * are in sysfs.
-+ */
-+ if (net == &init_net) {
-+ ret = device_rename(&dev->dev, dev->name);
-+ if (ret) {
-+ memcpy(dev->name, oldname, IFNAMSIZ);
-+ return ret;
-+ }
- }
+ return NULL;
+@@ -699,7 +701,8 @@ struct net_device *dev_get_by_name_rcu(s
+ struct hlist_head *head = dev_name_hash(net, name);
- write_lock_bh(&dev_base_lock);
-@@ -2518,6 +2524,8 @@ static int dev_ifconf(struct net *net, c
+ hlist_for_each_entry_rcu(dev, head, name_hlist)
+- if (!strncmp(dev->name, name, IFNAMSIZ))
++ if (!strncmp(dev->name, name, IFNAMSIZ) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
- total = 0;
- for_each_netdev(net, dev) {
-+ if (!nx_dev_visible(current->nx_info, dev))
-+ continue;
- for (i = 0; i < NPROTO; i++) {
- if (gifconf_list[i]) {
- int done;
-@@ -2586,6 +2594,9 @@ static void dev_seq_printf_stats(struct
- {
- struct net_device_stats *stats = dev->get_stats(dev);
+ return NULL;
+@@ -749,7 +752,8 @@ struct net_device *__dev_get_by_index(st
+ struct hlist_head *head = dev_index_hash(net, ifindex);
-+ if (!nx_dev_visible(current->nx_info, dev))
-+ return;
-+
- seq_printf(seq, "%6s:%8lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu "
- "%8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n",
- dev->name, stats->rx_bytes, stats->rx_packets,
-@@ -4388,6 +4399,15 @@ int dev_change_net_namespace(struct net_
- if (dev->features & NETIF_F_NETNS_LOCAL)
- goto out;
+ hlist_for_each_entry(dev, head, index_hlist)
+- if (dev->ifindex == ifindex)
++ if ((dev->ifindex == ifindex) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
-+#ifdef CONFIG_SYSFS
-+ /* Don't allow real devices to be moved when sysfs
-+ * is enabled.
-+ */
-+ err = -EINVAL;
-+ if (dev->dev.parent)
-+ goto out;
-+#endif
-+
- /* Ensure the device has been registrered */
- err = -EINVAL;
- if (dev->reg_state != NETREG_REGISTERED)
-@@ -4445,6 +4465,8 @@ int dev_change_net_namespace(struct net_
- */
- dev_addr_discard(dev);
+ return NULL;
+@@ -767,7 +771,7 @@ EXPORT_SYMBOL(__dev_get_by_index);
+ * about locking. The caller must hold RCU lock.
+ */
+
+-struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
++struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex)
+ {
+ struct net_device *dev;
+ struct hlist_head *head = dev_index_hash(net, ifindex);
+@@ -778,6 +782,16 @@ struct net_device *dev_get_by_index_rcu(
-+ netdev_unregister_kobject(dev);
+ return NULL;
+ }
++EXPORT_SYMBOL(dev_get_by_index_real_rcu);
+
- /* Actually switch the network namespace */
- dev_net_set(dev, net);
++struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
++{
++ struct net_device *dev = dev_get_by_index_real_rcu(net, ifindex);
++
++ if (nx_dev_visible(current_nx_info(), dev))
++ return dev;
++ return NULL;
++}
+ EXPORT_SYMBOL(dev_get_by_index_rcu);
-@@ -4461,7 +4483,6 @@ int dev_change_net_namespace(struct net_
- }
- /* Fixup kobjects */
-- netdev_unregister_kobject(dev);
- err = netdev_register_kobject(dev);
- WARN_ON(err);
+@@ -860,7 +874,8 @@ struct net_device *dev_getbyhwaddr_rcu(s
-diff -NurpP --minimal linux-2.6.27.33/net/core/net-sysfs.c linux-2.6.27.33-vs2.3.0.36.6/net/core/net-sysfs.c
---- linux-2.6.27.33/net/core/net-sysfs.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/core/net-sysfs.c 2008-11-20 15:21:32.000000000 +0100
-@@ -440,6 +440,10 @@ void netdev_unregister_kobject(struct ne
- struct device *dev = &(net->dev);
+ for_each_netdev_rcu(net, dev)
+ if (dev->type == type &&
+- !memcmp(dev->dev_addr, ha, dev->addr_len))
++ !memcmp(dev->dev_addr, ha, dev->addr_len) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
- kobject_get(&dev->kobj);
-+
-+ if (dev_net(net) != &init_net)
-+ return;
-+
- device_del(dev);
- }
+ return NULL;
+@@ -872,9 +887,11 @@ struct net_device *__dev_getfirstbyhwtyp
+ struct net_device *dev;
-@@ -465,6 +469,9 @@ int netdev_register_kobject(struct net_d
- #endif
- #endif /* CONFIG_SYSFS */
+ ASSERT_RTNL();
+- for_each_netdev(net, dev)
+- if (dev->type == type)
++ for_each_netdev(net, dev) {
++ if ((dev->type == type) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
++ }
-+ if (dev_net(net) != &init_net)
-+ return 0;
-+
- return device_add(dev);
+ return NULL;
}
+@@ -886,7 +903,8 @@ struct net_device *dev_getfirstbyhwtype(
-diff -NurpP --minimal linux-2.6.27.33/net/core/rtnetlink.c linux-2.6.27.33-vs2.3.0.36.6/net/core/rtnetlink.c
---- linux-2.6.27.33/net/core/rtnetlink.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/core/rtnetlink.c 2008-10-13 14:54:20.000000000 +0200
-@@ -686,6 +686,8 @@ static int rtnl_dump_ifinfo(struct sk_bu
+ rcu_read_lock();
+ for_each_netdev_rcu(net, dev)
+- if (dev->type == type) {
++ if ((dev->type == type) &&
++ nx_dev_visible(current_nx_info(), dev)) {
+ dev_hold(dev);
+ ret = dev;
+ break;
+@@ -916,7 +934,8 @@ struct net_device *__dev_get_by_flags(st
- idx = 0;
+ ret = NULL;
for_each_netdev(net, dev) {
-+ if (!nx_dev_visible(skb->sk->sk_nx_info, dev))
-+ continue;
- if (idx < s_idx)
- goto cont;
- if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
-@@ -1219,6 +1221,9 @@ void rtmsg_ifinfo(int type, struct net_d
- struct sk_buff *skb;
+- if (((dev->flags ^ if_flags) & mask) == 0) {
++ if ((((dev->flags ^ if_flags) & mask) == 0) &&
++ nx_dev_visible(current_nx_info(), dev)) {
+ ret = dev;
+ break;
+ }
+@@ -994,6 +1013,8 @@ static int __dev_alloc_name(struct net *
+ continue;
+ if (i < 0 || i >= max_netdevices)
+ continue;
++ if (!nx_dev_visible(current_nx_info(), d))
++ continue;
+
+ /* avoid cases where sscanf is not exact inverse of printf */
+ snprintf(buf, IFNAMSIZ, name, i);
+diff -NurpP --minimal linux-3.18.5/net/core/net-procfs.c linux-3.18.5-vs2.3.7.3/net/core/net-procfs.c
+--- linux-3.18.5/net/core/net-procfs.c 2013-11-25 15:45:09.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/core/net-procfs.c 2015-01-19 10:58:31.000000000 +0000
+@@ -1,6 +1,7 @@
+ #include <linux/netdevice.h>
+ #include <linux/proc_fs.h>
+ #include <linux/seq_file.h>
++#include <linux/vs_inet.h>
+ #include <net/wext.h>
+
+ #define BUCKET_SPACE (32 - NETDEV_HASHBITS - 1)
+@@ -77,8 +78,13 @@ static void dev_seq_stop(struct seq_file
+ static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev)
+ {
+ struct rtnl_link_stats64 temp;
+- const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
++ const struct rtnl_link_stats64 *stats;
++
++ /* device visible inside network context? */
++ if (!nx_dev_visible(current_nx_info(), dev))
++ return;
+
++ stats = dev_get_stats(dev, &temp);
+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
+ "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
+ dev->name, stats->rx_bytes, stats->rx_packets,
+diff -NurpP --minimal linux-3.18.5/net/core/rtnetlink.c linux-3.18.5-vs2.3.7.3/net/core/rtnetlink.c
+--- linux-3.18.5/net/core/rtnetlink.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/core/rtnetlink.c 2015-01-19 10:58:31.000000000 +0000
+@@ -1280,6 +1280,8 @@ static int rtnl_dump_ifinfo(struct sk_bu
+ hlist_for_each_entry_rcu(dev, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
++ if (!nx_dev_visible(skb->sk->sk_nx_info, dev))
++ continue;
+ err = rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, 0,
+@@ -2229,6 +2231,9 @@ void rtmsg_ifinfo(int type, struct net_d
int err = -ENOBUFS;
+ size_t if_info_size;
-+ if (!nx_dev_visible(current->nx_info, dev))
++ if (!nx_dev_visible(current_nx_info(), dev))
+ return;
+
- skb = nlmsg_new(if_nlmsg_size(dev), GFP_KERNEL);
+ skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), flags);
if (skb == NULL)
goto errout;
-diff -NurpP --minimal linux-2.6.27.33/net/core/sock.c linux-2.6.27.33-vs2.3.0.36.6/net/core/sock.c
---- linux-2.6.27.33/net/core/sock.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/core/sock.c 2009-03-25 14:32:29.000000000 +0100
-@@ -124,6 +124,10 @@
- #include <linux/ipsec.h>
+diff -NurpP --minimal linux-3.18.5/net/core/sock.c linux-3.18.5-vs2.3.7.3/net/core/sock.c
+--- linux-3.18.5/net/core/sock.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/core/sock.c 2015-01-19 10:58:31.000000000 +0000
+@@ -133,6 +133,10 @@
+ #include <net/netprio_cgroup.h>
#include <linux/filter.h>
+#include <linux/vs_socket.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
- #ifdef CONFIG_INET
- #include <net/tcp.h>
-@@ -899,6 +903,8 @@ static struct sock *sk_prot_alloc(struct
- if (!try_module_get(prot->owner))
+ #include <trace/events/sock.h>
+
+@@ -1310,6 +1314,8 @@ static struct sock *sk_prot_alloc(struct
goto out_free_sec;
+ sk_tx_queue_clear(sk);
}
+ sock_vx_init(sk);
+ sock_nx_init(sk);
return sk;
-@@ -975,6 +981,11 @@ void sk_free(struct sock *sk)
- __func__, atomic_read(&sk->sk_omem_alloc));
-
+@@ -1406,6 +1412,11 @@ static void __sk_free(struct sock *sk)
+ put_cred(sk->sk_peer_cred);
+ put_pid(sk->sk_peer_pid);
put_net(sock_net(sk));
+ vx_sock_dec(sk);
+ clr_vx_info(&sk->sk_vx_info);
sk_prot_free(sk->sk_prot_creator, sk);
}
-@@ -1010,6 +1021,8 @@ struct sock *sk_clone(const struct sock
+@@ -1467,6 +1478,8 @@ struct sock *sk_clone_lock(const struct
/* SANITY */
get_net(sock_net(newsk));
sk_node_init(&newsk->sk_node);
sock_lock_init(newsk);
bh_lock_sock(newsk);
-@@ -1056,6 +1069,12 @@ struct sock *sk_clone(const struct sock
- newsk->sk_priority = 0;
+@@ -1524,6 +1537,12 @@ struct sock *sk_clone_lock(const struct
+ smp_wmb();
atomic_set(&newsk->sk_refcnt, 2);
+ set_vx_info(&newsk->sk_vx_info, sk->sk_vx_info);
/*
* Increment the counter in the same struct proto as the master
* sock (sk_refcnt_debug_inc uses newsk->sk_prot->socks, that
-@@ -1739,6 +1758,11 @@ void sock_init_data(struct socket *sock,
+@@ -2302,6 +2321,12 @@ void sock_init_data(struct socket *sock,
sk->sk_stamp = ktime_set(-1L, 0);
-+ set_vx_info(&sk->sk_vx_info, current->vx_info);
++ set_vx_info(&sk->sk_vx_info, current_vx_info());
+ sk->sk_xid = vx_current_xid();
+ vx_sock_inc(sk);
-+ set_nx_info(&sk->sk_nx_info, current->nx_info);
++ set_nx_info(&sk->sk_nx_info, current_nx_info());
+ sk->sk_nid = nx_current_nid();
- atomic_set(&sk->sk_refcnt, 1);
- atomic_set(&sk->sk_drops, 0);
- }
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/af_inet.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/af_inet.c
---- linux-2.6.27.33/net/ipv4/af_inet.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/af_inet.c 2008-10-13 14:54:20.000000000 +0200
-@@ -114,6 +114,7 @@
++
+ #ifdef CONFIG_NET_RX_BUSY_POLL
+ sk->sk_napi_id = 0;
+ sk->sk_ll_usec = sysctl_net_busy_read;
+diff -NurpP --minimal linux-3.18.5/net/ipv4/af_inet.c linux-3.18.5-vs2.3.7.3/net/ipv4/af_inet.c
+--- linux-3.18.5/net/ipv4/af_inet.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/af_inet.c 2015-01-19 10:58:31.000000000 +0000
+@@ -118,6 +118,7 @@
#ifdef CONFIG_IP_MROUTE
#include <linux/mroute.h>
#endif
+#include <linux/vs_limit.h>
- extern void ip_mc_drop_socket(struct sock *sk);
-@@ -325,9 +326,12 @@ lookup_protocol:
+ /* The inetsw table contains everything that inet_create needs to
+@@ -305,10 +306,13 @@ lookup_protocol:
}
err = -EPERM;
+ if ((protocol == IPPROTO_ICMP) &&
-+ nx_capable(answer->capability, NXC_RAW_ICMP))
++ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
+ goto override;
- if (answer->capability > 0 && !capable(answer->capability))
+ if (sock->type == SOCK_RAW && !kern &&
+ !ns_capable(net->user_ns, CAP_NET_RAW))
goto out_rcu_unlock;
-
+override:
- err = -EAFNOSUPPORT;
- if (!inet_netns_ok(net, protocol))
- goto out_rcu_unlock;
-@@ -445,6 +449,7 @@ int inet_bind(struct socket *sock, struc
+ sock->ops = answer->ops;
+ answer_prot = answer->prot;
+ answer_flags = answer->flags;
+@@ -423,6 +427,7 @@ int inet_bind(struct socket *sock, struc
struct sockaddr_in *addr = (struct sockaddr_in *)uaddr;
struct sock *sk = sock->sk;
struct inet_sock *inet = inet_sk(sk);
+ struct nx_v4_sock_addr nsa;
+ struct net *net = sock_net(sk);
unsigned short snum;
int chk_addr_ret;
- int err;
-@@ -458,7 +463,11 @@ int inet_bind(struct socket *sock, struc
- if (addr_len < sizeof(struct sockaddr_in))
- goto out;
+@@ -447,7 +452,11 @@ int inet_bind(struct socket *sock, struc
+ goto out;
+ }
-- chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
+- chk_addr_ret = inet_addr_type(net, addr->sin_addr.s_addr);
+ err = v4_map_sock_addr(inet, addr, &nsa);
+ if (err)
+ goto out;
+
-+ chk_addr_ret = inet_addr_type(sock_net(sk), nsa.saddr);
++ chk_addr_ret = inet_addr_type(net, nsa.saddr);
/* Not specified by any standard per-se, however it breaks too
* many applications when removed. It is unfortunate since
-@@ -470,7 +479,7 @@ int inet_bind(struct socket *sock, struc
+@@ -459,7 +468,7 @@ int inet_bind(struct socket *sock, struc
err = -EADDRNOTAVAIL;
- if (!sysctl_ip_nonlocal_bind &&
- !inet->freebind &&
+ if (!net->ipv4.sysctl_ip_nonlocal_bind &&
+ !(inet->freebind || inet->transparent) &&
- addr->sin_addr.s_addr != htonl(INADDR_ANY) &&
+ nsa.saddr != htonl(INADDR_ANY) &&
chk_addr_ret != RTN_LOCAL &&
chk_addr_ret != RTN_MULTICAST &&
chk_addr_ret != RTN_BROADCAST)
-@@ -495,7 +504,7 @@ int inet_bind(struct socket *sock, struc
- if (sk->sk_state != TCP_CLOSE || inet->num)
+@@ -485,7 +494,7 @@ int inet_bind(struct socket *sock, struc
+ if (sk->sk_state != TCP_CLOSE || inet->inet_num)
goto out_release_sock;
-- inet->rcv_saddr = inet->saddr = addr->sin_addr.s_addr;
+- inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
+ v4_set_sock_addr(inet, &nsa);
if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
- inet->saddr = 0; /* Use device */
+ inet->inet_saddr = 0; /* Use device */
-@@ -688,11 +697,13 @@ int inet_getname(struct socket *sock, st
+@@ -704,11 +713,13 @@ int inet_getname(struct socket *sock, st
peer == 1))
return -ENOTCONN;
- sin->sin_port = inet->dport;
-- sin->sin_addr.s_addr = inet->daddr;
+ sin->sin_port = inet->inet_dport;
+- sin->sin_addr.s_addr = inet->inet_daddr;
+ sin->sin_addr.s_addr =
-+ nx_map_sock_lback(sk->sk_nx_info, inet->daddr);
++ nx_map_sock_lback(sk->sk_nx_info, inet->inet_daddr);
} else {
- __be32 addr = inet->rcv_saddr;
+ __be32 addr = inet->inet_rcv_saddr;
if (!addr)
- addr = inet->saddr;
+ addr = inet->inet_saddr;
+ addr = nx_map_sock_lback(sk->sk_nx_info, addr);
- sin->sin_port = inet->sport;
+ sin->sin_port = inet->inet_sport;
sin->sin_addr.s_addr = addr;
}
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/devinet.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/devinet.c
---- linux-2.6.27.33/net/ipv4/devinet.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/devinet.c 2008-10-13 14:54:20.000000000 +0200
-@@ -420,6 +420,7 @@ struct in_device *inetdev_by_index(struc
- return in_dev;
+diff -NurpP --minimal linux-3.18.5/net/ipv4/arp.c linux-3.18.5-vs2.3.7.3/net/ipv4/arp.c
+--- linux-3.18.5/net/ipv4/arp.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/arp.c 2015-01-19 10:58:31.000000000 +0000
+@@ -1349,6 +1349,7 @@ static void arp_format_neigh_entry(struc
+ struct net_device *dev = n->dev;
+ int hatype = dev->type;
+
++ /* FIXME: check for network context */
+ read_lock(&n->lock);
+ /* Convert hardware address to XX:XX:XX:XX ... form. */
+ #if IS_ENABLED(CONFIG_AX25)
+@@ -1380,6 +1381,7 @@ static void arp_format_pneigh_entry(stru
+ int hatype = dev ? dev->type : 0;
+ char tbuf[16];
+
++ /* FIXME: check for network context */
+ sprintf(tbuf, "%pI4", n->key);
+ seq_printf(seq, "%-16s 0x%-10x0x%-10x%s * %s\n",
+ tbuf, hatype, ATF_PUBL | ATF_PERM, "00:00:00:00:00:00",
+diff -NurpP --minimal linux-3.18.5/net/ipv4/devinet.c linux-3.18.5-vs2.3.7.3/net/ipv4/devinet.c
+--- linux-3.18.5/net/ipv4/devinet.c 2015-01-16 22:19:30.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/devinet.c 2015-01-19 10:58:31.000000000 +0000
+@@ -534,6 +534,7 @@ struct in_device *inetdev_by_index(struc
}
+ EXPORT_SYMBOL(inetdev_by_index);
+
/* Called only from RTNL semaphored context. No locks. */
struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
-@@ -662,6 +663,8 @@ int devinet_ioctl(struct net *net, unsig
- *colon = ':';
+@@ -958,6 +959,8 @@ int devinet_ioctl(struct net *net, unsig
- if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) {
-+ struct nx_info *nxi = current->nx_info;
+ in_dev = __in_dev_get_rtnl(dev);
+ if (in_dev) {
++ struct nx_info *nxi = current_nx_info();
+
if (tryaddrmatch) {
/* Matthias Andree */
/* compare label and address (4.4BSD style) */
-@@ -670,6 +673,8 @@ int devinet_ioctl(struct net *net, unsig
+@@ -966,6 +969,8 @@ int devinet_ioctl(struct net *net, unsig
This is checked above. */
for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
ifap = &ifa->ifa_next) {
+ continue;
if (!strcmp(ifr.ifr_name, ifa->ifa_label) &&
sin_orig.sin_addr.s_addr ==
- ifa->ifa_address) {
-@@ -682,9 +687,12 @@ int devinet_ioctl(struct net *net, unsig
+ ifa->ifa_local) {
+@@ -978,9 +983,12 @@ int devinet_ioctl(struct net *net, unsig
comparing just the label */
if (!ifa) {
for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
}
}
-@@ -835,6 +843,8 @@ static int inet_gifconf(struct net_devic
+@@ -1134,6 +1142,8 @@ static int inet_gifconf(struct net_devic
goto out;
- for (; ifa; ifa = ifa->ifa_next) {
-+ if (!nx_v4_ifa_visible(current->nx_info, ifa))
+ for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(current_nx_info(), ifa))
+ continue;
if (!buf) {
done += sizeof(ifr);
continue;
-@@ -1165,6 +1175,7 @@ static int inet_dump_ifaddr(struct sk_bu
+@@ -1538,6 +1548,7 @@ static int inet_dump_ifaddr(struct sk_bu
struct net_device *dev;
struct in_device *in_dev;
struct in_ifaddr *ifa;
+ struct sock *sk = skb->sk;
- int s_ip_idx, s_idx = cb->args[0];
+ struct hlist_head *head;
- s_ip_idx = ip_idx = cb->args[1];
-@@ -1179,6 +1190,8 @@ static int inet_dump_ifaddr(struct sk_bu
+ s_h = cb->args[0];
+@@ -1561,6 +1572,8 @@ static int inet_dump_ifaddr(struct sk_bu
- for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
- ifa = ifa->ifa_next, ip_idx++) {
+ for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
+ ifa = ifa->ifa_next, ip_idx++) {
+ if (sk && !nx_v4_ifa_visible(sk->sk_nx_info, ifa))
+ continue;
- if (ip_idx < s_ip_idx)
- continue;
- if (inet_fill_ifaddr(skb, ifa, NETLINK_CB(cb->skb).pid,
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/fib_hash.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/fib_hash.c
---- linux-2.6.27.33/net/ipv4/fib_hash.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/fib_hash.c 2008-10-13 14:54:20.000000000 +0200
-@@ -1022,7 +1022,7 @@ static int fib_seq_show(struct seq_file
- prefix = f->fn_key;
- mask = FZ_MASK(iter->zone);
- flags = fib_flag_trans(fa->fa_type, mask, fi);
-- if (fi)
-+ if (fi && nx_dev_visible(current->nx_info, fi->fib_dev))
- seq_printf(seq,
- "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u%n",
- fi->fib_dev ? fi->fib_dev->name : "*", prefix,
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/inet_connection_sock.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/inet_connection_sock.c
---- linux-2.6.27.33/net/ipv4/inet_connection_sock.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/inet_connection_sock.c 2008-10-13 14:54:20.000000000 +0200
-@@ -47,10 +47,40 @@ void inet_get_local_port_range(int *low,
+ if (ip_idx < s_ip_idx)
+ continue;
+ if (inet_fill_ifaddr(skb, ifa,
+diff -NurpP --minimal linux-3.18.5/net/ipv4/fib_trie.c linux-3.18.5-vs2.3.7.3/net/ipv4/fib_trie.c
+--- linux-3.18.5/net/ipv4/fib_trie.c 2015-01-16 22:19:30.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/fib_trie.c 2015-01-19 10:58:31.000000000 +0000
+@@ -2530,6 +2530,7 @@ static int fib_route_seq_show(struct seq
+
+ seq_setwidth(seq, 127);
+
++ /* FIXME: check for network context? */
+ if (fi)
+ seq_printf(seq,
+ "%s\t%08X\t%08X\t%04X\t%d\t%u\t"
+diff -NurpP --minimal linux-3.18.5/net/ipv4/inet_connection_sock.c linux-3.18.5-vs2.3.7.3/net/ipv4/inet_connection_sock.c
+--- linux-3.18.5/net/ipv4/inet_connection_sock.c 2014-09-03 13:19:48.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/inet_connection_sock.c 2015-01-19 10:58:31.000000000 +0000
+@@ -42,6 +42,37 @@ void inet_get_local_port_range(struct ne
}
EXPORT_SYMBOL(inet_get_local_port_range);
+int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
+{
-+ __be32 sk1_rcv_saddr = inet_rcv_saddr(sk1),
-+ sk2_rcv_saddr = inet_rcv_saddr(sk2);
++ __be32 sk1_rcv_saddr = sk1->sk_rcv_saddr,
++ sk2_rcv_saddr = sk2->sk_rcv_saddr;
+
+ if (inet_v6_ipv6only(sk2))
+ return 0;
+}
+
int inet_csk_bind_conflict(const struct sock *sk,
- const struct inet_bind_bucket *tb)
+ const struct inet_bind_bucket *tb, bool relax)
{
-- const __be32 sk_rcv_saddr = inet_rcv_saddr(sk);
- struct sock *sk2;
- struct hlist_node *node;
- int reuse = sk->sk_reuse;
-@@ -70,9 +100,7 @@ int inet_csk_bind_conflict(const struct
- sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) {
- if (!reuse || !sk2->sk_reuse ||
- sk2->sk_state == TCP_LISTEN) {
-- const __be32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
-- if (!sk2_rcv_saddr || !sk_rcv_saddr ||
-- sk2_rcv_saddr == sk_rcv_saddr)
+@@ -69,15 +100,13 @@ int inet_csk_bind_conflict(const struct
+ (sk2->sk_state != TCP_TIME_WAIT &&
+ !uid_eq(uid, sock_i_uid(sk2))))) {
+
+- if (!sk2->sk_rcv_saddr || !sk->sk_rcv_saddr ||
+- sk2->sk_rcv_saddr == sk->sk_rcv_saddr)
++ if (ipv4_rcv_saddr_equal(sk, sk2))
+ break;
+ }
+ if (!relax && reuse && sk2->sk_reuse &&
+ sk2->sk_state != TCP_LISTEN) {
+
+- if (!sk2->sk_rcv_saddr || !sk->sk_rcv_saddr ||
+- sk2->sk_rcv_saddr == sk->sk_rcv_saddr)
+ if (ipv4_rcv_saddr_equal(sk, sk2))
break;
}
}
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/inet_diag.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/inet_diag.c
---- linux-2.6.27.33/net/ipv4/inet_diag.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/inet_diag.c 2008-10-13 14:54:20.000000000 +0200
-@@ -32,6 +32,8 @@
- #include <linux/stddef.h>
+diff -NurpP --minimal linux-3.18.5/net/ipv4/inet_diag.c linux-3.18.5-vs2.3.7.3/net/ipv4/inet_diag.c
+--- linux-3.18.5/net/ipv4/inet_diag.c 2014-02-01 02:17:51.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/inet_diag.c 2015-01-19 10:58:31.000000000 +0000
+@@ -31,6 +31,8 @@
- #include <linux/inet_diag.h>
+ #include <linux/inet.h>
+ #include <linux/stddef.h>
+#include <linux/vs_network.h>
+#include <linux/vs_inet.h>
- static const struct inet_diag_handler **inet_diag_table;
-
-@@ -120,8 +122,8 @@ static int inet_csk_diag_fill(struct soc
-
- r->id.idiag_sport = inet->sport;
- r->id.idiag_dport = inet->dport;
-- r->id.idiag_src[0] = inet->rcv_saddr;
-- r->id.idiag_dst[0] = inet->daddr;
-+ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info, inet->rcv_saddr);
-+ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info, inet->daddr);
+ #include <linux/inet_diag.h>
+ #include <linux/sock_diag.h>
+@@ -110,8 +112,10 @@ int inet_sk_diag_fill(struct sock *sk, s
+ memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));
+ memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst));
+
+- r->id.idiag_src[0] = inet->inet_rcv_saddr;
+- r->id.idiag_dst[0] = inet->inet_daddr;
++ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info,
++ inet->inet_rcv_saddr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info,
++ inet->inet_daddr);
+
+ if (nla_put_u8(skb, INET_DIAG_SHUTDOWN, sk->sk_shutdown))
+ goto errout;
+@@ -254,8 +258,8 @@ static int inet_twsk_diag_fill(struct in
+ memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));
+ memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst));
- #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- if (r->idiag_family == AF_INET6) {
-@@ -208,8 +210,8 @@ static int inet_twsk_diag_fill(struct in
- r->id.idiag_cookie[1] = (u32)(((unsigned long)tw >> 31) >> 1);
- r->id.idiag_sport = tw->tw_sport;
- r->id.idiag_dport = tw->tw_dport;
- r->id.idiag_src[0] = tw->tw_rcv_saddr;
- r->id.idiag_dst[0] = tw->tw_daddr;
+ r->id.idiag_src[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_rcv_saddr);
+ r->id.idiag_dst[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_daddr);
+
r->idiag_state = tw->tw_substate;
r->idiag_timer = 3;
- r->idiag_expires = DIV_ROUND_UP(tmo * 1000, HZ);
-@@ -266,6 +268,7 @@ static int inet_diag_get_exact(struct sk
- err = -EINVAL;
+@@ -298,12 +302,14 @@ int inet_diag_dump_one_icsk(struct inet_
- if (req->idiag_family == AF_INET) {
+ err = -EINVAL;
+ if (req->sdiag_family == AF_INET) {
+ /* TODO: lback */
- sk = inet_lookup(&init_net, hashinfo, req->id.idiag_dst[0],
+ sk = inet_lookup(net, hashinfo, req->id.idiag_dst[0],
req->id.idiag_dport, req->id.idiag_src[0],
req->id.idiag_sport, req->id.idiag_if);
-@@ -508,6 +511,7 @@ static int inet_csk_diag_dump(struct soc
- } else
+ }
+ #if IS_ENABLED(CONFIG_IPV6)
+ else if (req->sdiag_family == AF_INET6) {
++ /* TODO: lback */
+ sk = inet6_lookup(net, hashinfo,
+ (struct in6_addr *)req->id.idiag_dst,
+ req->id.idiag_dport,
+@@ -501,6 +507,7 @@ int inet_diag_bc_sk(const struct nlattr
+ } else
#endif
- {
+ {
+ /* TODO: lback */
- entry.saddr = &inet->rcv_saddr;
- entry.daddr = &inet->daddr;
- }
-@@ -544,6 +548,7 @@ static int inet_twsk_diag_dump(struct in
+ entry.saddr = &inet->inet_rcv_saddr;
+ entry.daddr = &inet->inet_daddr;
+ }
+@@ -659,6 +666,7 @@ static int inet_twsk_diag_dump(struct so
} else
#endif
{
entry.saddr = &tw->tw_rcv_saddr;
entry.daddr = &tw->tw_daddr;
}
-@@ -590,8 +595,8 @@ static int inet_diag_fill_req(struct sk_
-
- r->id.idiag_sport = inet->sport;
- r->id.idiag_dport = ireq->rmt_port;
-- r->id.idiag_src[0] = ireq->loc_addr;
-- r->id.idiag_dst[0] = ireq->rmt_addr;
-+ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->loc_addr);
-+ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->rmt_addr);
+@@ -741,8 +749,8 @@ static int inet_diag_fill_req(struct sk_
+ memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));
+ memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst));
+
+- r->id.idiag_src[0] = ireq->ir_loc_addr;
+- r->id.idiag_dst[0] = ireq->ir_rmt_addr;
++ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->ir_loc_addr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->ir_rmt_addr);
+
r->idiag_expires = jiffies_to_msecs(tmo);
r->idiag_rqueue = 0;
- r->idiag_wqueue = 0;
-@@ -661,6 +666,7 @@ static int inet_diag_dump_reqs(struct sk
+@@ -806,6 +814,7 @@ static int inet_diag_dump_reqs(struct sk
+ r->id.idiag_dport)
continue;
++ /* TODO: lback */
if (bc) {
-+ /* TODO: lback */
- entry.saddr =
- #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- (entry.family == AF_INET6) ?
-@@ -729,6 +735,8 @@ static int inet_diag_dump(struct sk_buff
- sk_for_each(sk, node, &hashinfo->listening_hash[i]) {
- struct inet_sock *inet = inet_sk(sk);
+ inet_diag_req_addrs(sk, req, &entry);
+ entry.dport = ntohs(ireq->ir_rmt_port);
+@@ -862,6 +871,8 @@ void inet_diag_dump_icsk(struct inet_has
+ if (!net_eq(sock_net(sk), net))
+ continue;
+ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ continue;
if (num < s_num) {
num++;
continue;
-@@ -790,6 +798,8 @@ skip_listen_ht:
- sk_for_each(sk, node, &head->chain) {
- struct inet_sock *inet = inet_sk(sk);
+@@ -934,6 +945,8 @@ skip_listen_ht:
+ if (!net_eq(sock_net(sk), net))
+ continue;
+ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ continue;
if (num < s_num)
goto next_normal;
- if (!(r->idiag_states & (1 << sk->sk_state)))
-@@ -814,6 +824,8 @@ next_normal:
- inet_twsk_for_each(tw, node,
- &head->twchain) {
-
-+ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
-+ continue;
- if (num < s_num)
- goto next_dying;
- if (r->id.idiag_sport != tw->tw_sport &&
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/inet_hashtables.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/inet_hashtables.c
---- linux-2.6.27.33/net/ipv4/inet_hashtables.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/inet_hashtables.c 2008-10-13 14:54:20.000000000 +0200
-@@ -21,6 +21,7 @@
-
+ state = (sk->sk_state == TCP_TIME_WAIT) ?
+diff -NurpP --minimal linux-3.18.5/net/ipv4/inet_hashtables.c linux-3.18.5-vs2.3.7.3/net/ipv4/inet_hashtables.c
+--- linux-3.18.5/net/ipv4/inet_hashtables.c 2015-01-17 02:40:24.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/inet_hashtables.c 2015-01-19 10:58:31.000000000 +0000
+@@ -22,6 +22,7 @@
#include <net/inet_connection_sock.h>
#include <net/inet_hashtables.h>
+ #include <net/secure_seq.h>
+#include <net/route.h>
#include <net/ip.h>
- /*
-@@ -163,11 +164,10 @@ static struct sock *inet_lookup_listener
- const __be32 rcv_saddr = inet->rcv_saddr;
- int score = sk->sk_family == PF_INET ? 1 : 0;
-
-- if (rcv_saddr) {
-- if (rcv_saddr != daddr)
-- continue;
-+ if (v4_inet_addr_match(sk->sk_nx_info, daddr, rcv_saddr))
- score += 2;
-- }
-+ else
-+ continue;
- if (sk->sk_bound_dev_if) {
- if (sk->sk_bound_dev_if != dif)
- continue;
-@@ -199,7 +199,7 @@ struct sock *__inet_lookup_listener(stru
- const struct inet_sock *inet = inet_sk((sk = __sk_head(head)));
-
- if (inet->num == hnum && !sk->sk_node.next &&
-- (!inet->rcv_saddr || inet->rcv_saddr == daddr) &&
-+ v4_inet_addr_match(sk->sk_nx_info, daddr, inet->rcv_saddr) &&
- (sk->sk_family == PF_INET || !ipv6_only_sock(sk)) &&
- !sk->sk_bound_dev_if && net_eq(sock_net(sk), net))
- goto sherry_cache;
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/netfilter/nf_nat_helper.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/netfilter/nf_nat_helper.c
---- linux-2.6.27.33/net/ipv4/netfilter/nf_nat_helper.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/netfilter/nf_nat_helper.c 2008-10-13 14:54:20.000000000 +0200
-@@ -18,6 +18,7 @@
- #include <net/tcp.h>
+ static unsigned int inet_ehashfn(struct net *net, const __be32 laddr,
+@@ -181,6 +182,11 @@ static inline int compute_score(struct s
+ if (rcv_saddr != daddr)
+ return -1;
+ score += 4;
++ } else {
++ /* block non nx_info ips */
++ if (!v4_addr_in_nx_info(sk->sk_nx_info,
++ daddr, NXA_MASK_BIND))
++ return -1;
+ }
+ if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if != dif)
+@@ -198,7 +204,6 @@ static inline int compute_score(struct s
+ * wildcarded during the search since they can never be otherwise.
+ */
- #include <linux/netfilter_ipv4.h>
-+#include <net/route.h>
- #include <net/netfilter/nf_conntrack.h>
- #include <net/netfilter/nf_conntrack_helper.h>
- #include <net/netfilter/nf_conntrack_ecache.h>
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/netfilter.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/netfilter.c
---- linux-2.6.27.33/net/ipv4/netfilter.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/netfilter.c 2008-10-13 14:54:20.000000000 +0200
-@@ -4,7 +4,7 @@
- #include <linux/netfilter_ipv4.h>
- #include <linux/ip.h>
+-
+ struct sock *__inet_lookup_listener(struct net *net,
+ struct inet_hashinfo *hashinfo,
+ const __be32 saddr, __be16 sport,
+@@ -234,6 +239,7 @@ begin:
+ phash = next_pseudo_random32(phash);
+ }
+ }
++
+ /*
+ * if the nulls value we got at the end of this lookup is
+ * not the expected one, we must restart lookup.
+diff -NurpP --minimal linux-3.18.5/net/ipv4/netfilter.c linux-3.18.5-vs2.3.7.3/net/ipv4/netfilter.c
+--- linux-3.18.5/net/ipv4/netfilter.c 2014-06-12 13:02:57.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/netfilter.c 2015-01-19 10:58:31.000000000 +0000
+@@ -11,7 +11,7 @@
#include <linux/skbuff.h>
+ #include <linux/gfp.h>
+ #include <linux/export.h>
-#include <net/route.h>
+// #include <net/route.h>
#include <net/xfrm.h>
#include <net/ip.h>
#include <net/netfilter/nf_queue.h>
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/raw.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/raw.c
---- linux-2.6.27.33/net/ipv4/raw.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/raw.c 2008-10-13 14:54:20.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/net/ipv4/raw.c linux-3.18.5-vs2.3.7.3/net/ipv4/raw.c
+--- linux-3.18.5/net/ipv4/raw.c 2015-01-16 22:19:30.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/raw.c 2015-01-19 10:58:31.000000000 +0000
@@ -117,7 +117,7 @@ static struct sock *__raw_v4_lookup(stru
- if (net_eq(sock_net(sk), net) && inet->num == num &&
- !(inet->daddr && inet->daddr != raddr) &&
-- !(inet->rcv_saddr && inet->rcv_saddr != laddr) &&
+ if (net_eq(sock_net(sk), net) && inet->inet_num == num &&
+ !(inet->inet_daddr && inet->inet_daddr != raddr) &&
+- !(inet->inet_rcv_saddr && inet->inet_rcv_saddr != laddr) &&
+ v4_sock_addr_match(sk->sk_nx_info, inet, laddr) &&
!(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
goto found; /* gotcha */
}
-@@ -372,6 +372,12 @@ static int raw_send_hdrinc(struct sock *
+@@ -402,6 +402,12 @@ static int raw_send_hdrinc(struct sock *
icmp_out_count(net, ((struct icmphdr *)
skb_transport_header(skb))->type);
+ !v4_addr_in_nx_info(sk->sk_nx_info, iph->saddr, NXA_MASK_BIND))
+ goto error_free;
+
- err = NF_HOOK(PF_INET, NF_INET_LOCAL_OUT, skb, NULL, rt->u.dst.dev,
- dst_output);
+ err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT, skb, NULL,
+ rt->dst.dev, dst_output);
if (err > 0)
-@@ -383,6 +389,7 @@ out:
-
- error_fault:
- err = -EFAULT;
-+error_free:
- kfree_skb(skb);
- error:
- IP_INC_STATS(net, IPSTATS_MIB_OUTDISCARDS);
-@@ -550,6 +557,13 @@ static int raw_sendmsg(struct kiocb *ioc
- }
+@@ -590,6 +596,16 @@ static int raw_sendmsg(struct kiocb *ioc
+ goto done;
+ }
- security_sk_classify_flow(sk, &fl);
-+ if (sk->sk_nx_info) {
-+ err = ip_v4_find_src(sock_net(sk),
-+ sk->sk_nx_info, &rt, &fl);
-+
-+ if (err)
-+ goto done;
++ if (sk->sk_nx_info) {
++ rt = ip_v4_find_src(sock_net(sk), sk->sk_nx_info, &fl4);
++ if (IS_ERR(rt)) {
++ err = PTR_ERR(rt);
++ rt = NULL;
++ goto done;
+ }
- err = ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 1);
- }
- if (err)
-@@ -619,17 +633,19 @@ static int raw_bind(struct sock *sk, str
++ ip_rt_put(rt);
++ }
++
+ security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
+ rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -668,17 +684,19 @@ static int raw_bind(struct sock *sk, str
{
struct inet_sock *inet = inet_sk(sk);
struct sockaddr_in *addr = (struct sockaddr_in *) uaddr;
+ if (nsa.saddr && chk_addr_ret != RTN_LOCAL &&
chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST)
goto out;
-- inet->rcv_saddr = inet->saddr = addr->sin_addr.s_addr;
+- inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
+ v4_set_sock_addr(inet, &nsa);
if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
- inet->saddr = 0; /* Use device */
+ inet->inet_saddr = 0; /* Use device */
sk_dst_reset(sk);
-@@ -681,7 +697,8 @@ static int raw_recvmsg(struct kiocb *ioc
+@@ -727,7 +745,8 @@ static int raw_recvmsg(struct kiocb *ioc
/* Copy the address. */
if (sin) {
sin->sin_family = AF_INET;
+ nx_map_sock_lback(sk->sk_nx_info, ip_hdr(skb)->saddr);
sin->sin_port = 0;
memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
- }
-@@ -858,7 +875,8 @@ static struct sock *raw_get_first(struct
- struct hlist_node *node;
-
- sk_for_each(sk, node, &state->h->ht[state->bucket])
+ *addr_len = sizeof(*sin);
+@@ -923,7 +942,8 @@ static struct sock *raw_get_first(struct
+ for (state->bucket = 0; state->bucket < RAW_HTABLE_SIZE;
+ ++state->bucket) {
+ sk_for_each(sk, &state->h->ht[state->bucket])
- if (sock_net(sk) == seq_file_net(seq))
+ if ((sock_net(sk) == seq_file_net(seq)) &&
-+ nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
goto found;
}
sk = NULL;
-@@ -874,7 +892,8 @@ static struct sock *raw_get_next(struct
+@@ -939,7 +959,8 @@ static struct sock *raw_get_next(struct
sk = sk_next(sk);
try_again:
;
if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
sk = sk_head(&state->h->ht[state->bucket]);
-@@ -933,7 +952,10 @@ static void raw_sock_seq_show(struct seq
-
- seq_printf(seq, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
-- i, src, srcp, dest, destp, sp->sk_state,
-+ i,
-+ nx_map_sock_lback(current_nx_info(), src), srcp,
-+ nx_map_sock_lback(current_nx_info(), dest), destp,
-+ sp->sk_state,
- atomic_read(&sp->sk_wmem_alloc),
- atomic_read(&sp->sk_rmem_alloc),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/syncookies.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/syncookies.c
---- linux-2.6.27.33/net/ipv4/syncookies.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/syncookies.c 2008-10-13 14:54:20.000000000 +0200
-@@ -16,6 +16,7 @@
- #include <linux/cryptohash.h>
- #include <linux/kernel.h>
- #include <net/tcp.h>
-+#include <net/route.h>
+diff -NurpP --minimal linux-3.18.5/net/ipv4/route.c linux-3.18.5-vs2.3.7.3/net/ipv4/route.c
+--- linux-3.18.5/net/ipv4/route.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/route.c 2015-01-19 10:58:31.000000000 +0000
+@@ -2071,7 +2071,7 @@ struct rtable *__ip_route_output_key(str
+
- /* Timestamps: lowest 9 bits store TCP options */
- #define TSBITS 9
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/tcp.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/tcp.c
---- linux-2.6.27.33/net/ipv4/tcp.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/tcp.c 2009-02-22 22:58:33.000000000 +0100
-@@ -264,6 +264,7 @@
- #include <linux/cache.h>
- #include <linux/err.h>
+ if (fl4->flowi4_oif) {
+- dev_out = dev_get_by_index_rcu(net, fl4->flowi4_oif);
++ dev_out = dev_get_by_index_real_rcu(net, fl4->flowi4_oif);
+ rth = ERR_PTR(-ENODEV);
+ if (dev_out == NULL)
+ goto out;
+diff -NurpP --minimal linux-3.18.5/net/ipv4/tcp.c linux-3.18.5-vs2.3.7.3/net/ipv4/tcp.c
+--- linux-3.18.5/net/ipv4/tcp.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/tcp.c 2015-01-19 10:58:31.000000000 +0000
+@@ -268,6 +268,7 @@
#include <linux/crypto.h>
+ #include <linux/time.h>
+ #include <linux/slab.h>
+#include <linux/in.h>
#include <net/icmp.h>
- #include <net/tcp.h>
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/tcp_ipv4.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/tcp_ipv4.c
---- linux-2.6.27.33/net/ipv4/tcp_ipv4.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/tcp_ipv4.c 2009-07-15 00:21:24.000000000 +0200
-@@ -1890,6 +1890,12 @@ static void *listening_get_next(struct s
+ #include <net/inet_common.h>
+diff -NurpP --minimal linux-3.18.5/net/ipv4/tcp_ipv4.c linux-3.18.5-vs2.3.7.3/net/ipv4/tcp_ipv4.c
+--- linux-3.18.5/net/ipv4/tcp_ipv4.c 2015-02-05 18:02:46.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/tcp_ipv4.c 2015-01-19 10:58:31.000000000 +0000
+@@ -1885,6 +1885,12 @@ static void *listening_get_next(struct s
req = req->dl_next;
while (1) {
while (req) {
if (req->rsk_ops->family == st->family) {
cur = req;
goto out;
-@@ -1914,6 +1920,10 @@ get_req:
+@@ -1909,6 +1915,10 @@ get_req:
}
get_sk:
- sk_for_each_from(sk, node) {
+ sk_nulls_for_each_from(sk, node) {
+ vxdprintk(VXD_CBIT(net, 6), "sk: %p [#%d] (from %d)",
+ sk, sk->sk_nid, nx_current_nid());
+ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ continue;
- if (sk->sk_family == st->family && net_eq(sock_net(sk), net)) {
- cur = sk;
- goto out;
-@@ -1964,6 +1974,11 @@ static void *established_get_first(struc
+ if (!net_eq(sock_net(sk), net))
+ continue;
+ if (sk->sk_family == st->family) {
+@@ -1983,6 +1993,11 @@ static void *established_get_first(struc
- read_lock_bh(lock);
- sk_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) {
+ spin_lock_bh(lock);
+ sk_nulls_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) {
+ vxdprintk(VXD_CBIT(net, 6),
+ "sk,egf: %p [#%d] (from %d)",
+ sk, sk->sk_nid, nx_current_nid());
if (sk->sk_family != st->family ||
!net_eq(sock_net(sk), net)) {
continue;
-@@ -1974,6 +1989,11 @@ static void *established_get_first(struc
- st->state = TCP_SEQ_STATE_TIME_WAIT;
- inet_twsk_for_each(tw, node,
- &tcp_hashinfo.ehash[st->bucket].twchain) {
-+ vxdprintk(VXD_CBIT(net, 6),
-+ "tw: %p [#%d] (from %d)",
-+ tw, tw->tw_nid, nx_current_nid());
-+ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
-+ continue;
- if (tw->tw_family != st->family ||
- !net_eq(twsk_net(tw), net)) {
- continue;
-@@ -2002,7 +2022,9 @@ static void *established_get_next(struct
- tw = cur;
- tw = tw_next(tw);
- get_tw:
-- while (tw && (tw->tw_family != st->family || !net_eq(twsk_net(tw), net))) {
-+ while (tw && (tw->tw_family != st->family ||
-+ !net_eq(twsk_net(tw), net) ||
-+ !nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))) {
- tw = tw_next(tw);
- }
- if (tw) {
-@@ -2023,6 +2045,11 @@ get_tw:
- sk = sk_next(sk);
+@@ -2009,6 +2024,11 @@ static void *established_get_next(struct
+ sk = sk_nulls_next(sk);
- sk_for_each_from(sk, node) {
+ sk_nulls_for_each_from(sk, node) {
+ vxdprintk(VXD_CBIT(net, 6),
+ "sk,egn: %p [#%d] (from %d)",
+ sk, sk->sk_nid, nx_current_nid());
+ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ continue;
if (sk->sk_family == st->family && net_eq(sock_net(sk), net))
- goto found;
+ return sk;
}
-@@ -2177,9 +2204,9 @@ static void get_openreq4(struct sock *sk
+@@ -2207,9 +2227,9 @@ static void get_openreq4(const struct so
seq_printf(f, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %p%n",
+ " %02X %08X:%08X %02X:%08lX %08X %5u %8d %u %d %pK",
i,
-- ireq->loc_addr,
-+ nx_map_sock_lback(current_nx_info(), ireq->loc_addr),
- ntohs(inet_sk(sk)->sport),
-- ireq->rmt_addr,
-+ nx_map_sock_lback(current_nx_info(), ireq->rmt_addr),
- ntohs(ireq->rmt_port),
+- ireq->ir_loc_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->ir_loc_addr),
+ ntohs(inet_sk(sk)->inet_sport),
+- ireq->ir_rmt_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->ir_rmt_addr),
+ ntohs(ireq->ir_rmt_port),
TCP_SYN_RECV,
0, 0, /* could print option size, but that is af dependent. */
-@@ -2222,7 +2249,10 @@ static void get_tcp4_sock(struct sock *s
-
- seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX "
- "%08X %5d %8d %lu %d %p %lu %lu %u %u %d%n",
-- i, src, srcp, dest, destp, sk->sk_state,
-+ i,
-+ nx_map_sock_lback(current_nx_info(), src), srcp,
-+ nx_map_sock_lback(current_nx_info(), dest), destp,
-+ sk->sk_state,
- tp->write_seq - tp->snd_una,
- sk->sk_state == TCP_LISTEN ? sk->sk_ack_backlog :
- (tp->rcv_nxt - tp->copied_seq),
-@@ -2258,7 +2288,10 @@ static void get_timewait4_sock(struct in
-
- seq_printf(f, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p%n",
-- i, src, srcp, dest, destp, tw->tw_substate, 0, 0,
-+ i,
-+ nx_map_sock_lback(current_nx_info(), src), srcp,
-+ nx_map_sock_lback(current_nx_info(), dest), destp,
-+ tw->tw_substate, 0, 0,
- 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
- atomic_read(&tw->tw_refcnt), tw, len);
- }
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/tcp_minisocks.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/tcp_minisocks.c
---- linux-2.6.27.33/net/ipv4/tcp_minisocks.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/tcp_minisocks.c 2008-10-13 14:54:20.000000000 +0200
-@@ -26,6 +26,10 @@
- #include <net/inet_common.h>
- #include <net/xfrm.h>
-
+@@ -2231,8 +2251,8 @@ static void get_tcp4_sock(struct sock *s
+ const struct inet_connection_sock *icsk = inet_csk(sk);
+ const struct inet_sock *inet = inet_sk(sk);
+ struct fastopen_queue *fastopenq = icsk->icsk_accept_queue.fastopenq;
+- __be32 dest = inet->inet_daddr;
+- __be32 src = inet->inet_rcv_saddr;
++ __be32 dest = nx_map_sock_lback(current_nx_info(), inet->inet_daddr);
++ __be32 src = nx_map_sock_lback(current_nx_info(), inet->inet_rcv_saddr);
+ __u16 destp = ntohs(inet->inet_dport);
+ __u16 srcp = ntohs(inet->inet_sport);
+ int rx_queue;
+@@ -2289,8 +2309,8 @@ static void get_timewait4_sock(const str
+ __u16 destp, srcp;
+ s32 delta = tw->tw_ttd - inet_tw_time_stamp();
+
+- dest = tw->tw_daddr;
+- src = tw->tw_rcv_saddr;
++ dest = nx_map_sock_lback(current_nx_info(), tw->tw_daddr);
++ src = nx_map_sock_lback(current_nx_info(), tw->tw_rcv_saddr);
+ destp = ntohs(tw->tw_dport);
+ srcp = ntohs(tw->tw_sport);
+
+diff -NurpP --minimal linux-3.18.5/net/ipv4/tcp_minisocks.c linux-3.18.5-vs2.3.7.3/net/ipv4/tcp_minisocks.c
+--- linux-3.18.5/net/ipv4/tcp_minisocks.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/tcp_minisocks.c 2015-01-19 10:58:31.000000000 +0000
+@@ -23,6 +23,9 @@
+ #include <linux/slab.h>
+ #include <linux/sysctl.h>
+ #include <linux/workqueue.h>
+#include <linux/vs_limit.h>
+#include <linux/vs_socket.h>
+#include <linux/vs_context.h>
-+
- #ifdef CONFIG_SYSCTL
- #define SYNC_INIT 0 /* let the user enable it */
- #else
-@@ -293,6 +297,11 @@ void tcp_time_wait(struct sock *sk, int
- tcptw->tw_ts_recent = tp->rx_opt.ts_recent;
+ #include <net/tcp.h>
+ #include <net/inet_common.h>
+ #include <net/xfrm.h>
+@@ -290,6 +293,11 @@ void tcp_time_wait(struct sock *sk, int
tcptw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp;
+ tcptw->tw_ts_offset = tp->tsoffset;
+ tw->tw_xid = sk->sk_xid;
+ tw->tw_vx_info = NULL;
+ tw->tw_nid = sk->sk_nid;
+ tw->tw_nx_info = NULL;
+
- #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ #if IS_ENABLED(CONFIG_IPV6)
if (tw->tw_family == PF_INET6) {
struct ipv6_pinfo *np = inet6_sk(sk);
-diff -NurpP --minimal linux-2.6.27.33/net/ipv4/udp.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/udp.c
---- linux-2.6.27.33/net/ipv4/udp.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv4/udp.c 2009-02-22 22:58:33.000000000 +0100
-@@ -234,20 +234,14 @@ fail:
- return error;
+diff -NurpP --minimal linux-3.18.5/net/ipv4/udp.c linux-3.18.5-vs2.3.7.3/net/ipv4/udp.c
+--- linux-3.18.5/net/ipv4/udp.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv4/udp.c 2015-01-19 10:58:31.000000000 +0000
+@@ -309,14 +309,7 @@ fail:
}
+ EXPORT_SYMBOL(udp_lib_get_port);
-static int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
-{
- struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
-
-- return ( !ipv6_only_sock(sk2) &&
-- (!inet1->rcv_saddr || !inet2->rcv_saddr ||
-- inet1->rcv_saddr == inet2->rcv_saddr ));
+- return (!ipv6_only_sock(sk2) &&
+- (!inet1->inet_rcv_saddr || !inet2->inet_rcv_saddr ||
+- inet1->inet_rcv_saddr == inet2->inet_rcv_saddr));
-}
+extern int ipv4_rcv_saddr_equal(const struct sock *, const struct sock *);
- int udp_v4_get_port(struct sock *sk, unsigned short snum)
- {
- return udp_lib_get_port(sk, snum, ipv4_rcv_saddr_equal);
+ static unsigned int udp4_portaddr_hash(struct net *net, __be32 saddr,
+ unsigned int port)
+@@ -351,6 +344,11 @@ static inline int compute_score(struct s
+ if (inet->inet_rcv_saddr != daddr)
+ return -1;
+ score += 4;
++ } else {
++ /* block non nx_info ips */
++ if (!v4_addr_in_nx_info(sk->sk_nx_info,
++ daddr, NXA_MASK_BIND))
++ return -1;
+ }
+ if (inet->inet_daddr) {
+ if (inet->inet_daddr != saddr)
+@@ -473,6 +471,7 @@ begin:
+ return result;
}
+
/* UDP is nearly always wildcards out the wazoo, it makes no sense to try
* harder than this. -DaveM
*/
-@@ -267,10 +261,16 @@ static struct sock *__udp4_lib_lookup(st
- if (net_eq(sock_net(sk), net) && sk->sk_hash == hnum &&
- !ipv6_only_sock(sk)) {
- int score = (sk->sk_family == PF_INET ? 1 : 0);
-+
- if (inet->rcv_saddr) {
- if (inet->rcv_saddr != daddr)
- continue;
- score+=2;
-+ } else {
-+ /* block non nx_info ips */
-+ if (!v4_addr_in_nx_info(sk->sk_nx_info,
-+ daddr, NXA_MASK_BIND))
-+ continue;
- }
- if (inet->daddr) {
- if (inet->daddr != saddr)
-@@ -296,6 +296,7 @@ static struct sock *__udp4_lib_lookup(st
- }
+@@ -519,6 +518,11 @@ begin:
+ sk_nulls_for_each_rcu(sk, node, &hslot->head) {
+ score = compute_score(sk, net, saddr, hnum, sport,
+ daddr, dport, dif);
++ /* FIXME: disabled?
++ if (score == 9) {
++ result = sk;
++ break;
++ } else */
+ if (score > badness) {
+ result = sk;
+ badness = score;
+@@ -543,6 +547,7 @@ begin:
+ if (get_nulls_value(node) != slot)
+ goto begin;
+
++
+ if (result) {
+ if (unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
+ result = NULL;
+@@ -552,6 +557,7 @@ begin:
+ goto begin;
}
}
+
- if (result)
- sock_hold(result);
- read_unlock(&udp_hash_lock);
-@@ -318,7 +319,7 @@ static inline struct sock *udp_v4_mcast_
- s->sk_hash != hnum ||
- (inet->daddr && inet->daddr != rmt_addr) ||
- (inet->dport != rmt_port && inet->dport) ||
-- (inet->rcv_saddr && inet->rcv_saddr != loc_addr) ||
-+ !v4_sock_addr_match(sk->sk_nx_info, inet, loc_addr) ||
- ipv6_only_sock(s) ||
- (s->sk_bound_dev_if && s->sk_bound_dev_if != dif))
- continue;
-@@ -655,8 +656,13 @@ int udp_sendmsg(struct kiocb *iocb, stru
- { .sport = inet->sport,
- .dport = dport } } };
- struct net *net = sock_net(sk);
-+ struct nx_info *nxi = sk->sk_nx_info;
-
- security_sk_classify_flow(sk, &fl);
-+ err = ip_v4_find_src(net, nxi, &rt, &fl);
-+ if (err)
-+ goto out;
+ rcu_read_unlock();
+ return result;
+ }
+@@ -586,7 +592,7 @@ static inline bool __udp_is_mcast_sock(s
+ udp_sk(sk)->udp_port_hash != hnum ||
+ (inet->inet_daddr && inet->inet_daddr != rmt_addr) ||
+ (inet->inet_dport != rmt_port && inet->inet_dport) ||
+- (inet->inet_rcv_saddr && inet->inet_rcv_saddr != loc_addr) ||
++ !v4_sock_addr_match(sk->sk_nx_info, inet, loc_addr) ||
+ ipv6_only_sock(sk) ||
+ (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
+ return false;
+@@ -1008,6 +1014,16 @@ int udp_sendmsg(struct kiocb *iocb, stru
+ inet_sk_flowi_flags(sk),
+ faddr, saddr, dport, inet->inet_sport);
+
++ if (sk->sk_nx_info) {
++ rt = ip_v4_find_src(net, sk->sk_nx_info, fl4);
++ if (IS_ERR(rt)) {
++ err = PTR_ERR(rt);
++ rt = NULL;
++ goto out;
++ }
++ ip_rt_put(rt);
++ }
+
- err = ip_route_output_flow(net, &rt, &fl, sk, 1);
- if (err) {
- if (err == -ENETUNREACH)
-@@ -901,7 +907,8 @@ try_again:
- {
+ security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
+ rt = ip_route_output_flow(net, fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -1312,7 +1328,8 @@ try_again:
+ if (sin) {
sin->sin_family = AF_INET;
sin->sin_port = udp_hdr(skb)->source;
- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
+ sin->sin_addr.s_addr = nx_map_sock_lback(
+ skb->sk->sk_nx_info, ip_hdr(skb)->saddr);
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+ *addr_len = sizeof(*sin);
}
- if (inet->cmsg_flags)
-@@ -1533,6 +1540,8 @@ static struct sock *udp_get_first(struct
- sk_for_each(sk, node, state->hashtable + state->bucket) {
+@@ -2271,6 +2288,8 @@ static struct sock *udp_get_first(struct
+ sk_nulls_for_each(sk, node, &hslot->head) {
if (!net_eq(sock_net(sk), net))
continue;
+ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
if (sk->sk_family == state->family)
goto found;
}
-@@ -1551,7 +1560,9 @@ static struct sock *udp_get_next(struct
- sk = sk_next(sk);
- try_again:
- ;
+@@ -2288,7 +2307,9 @@ static struct sock *udp_get_next(struct
+
+ do {
+ sk = sk_nulls_next(sk);
- } while (sk && (!net_eq(sock_net(sk), net) || sk->sk_family != state->family));
+ } while (sk && (!net_eq(sock_net(sk), net) ||
+ sk->sk_family != state->family ||
+ !nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT)));
- if (!sk && ++state->bucket < UDP_HTABLE_SIZE) {
- sk = sk_head(state->hashtable + state->bucket);
-@@ -1652,7 +1663,10 @@ static void udp4_format_sock(struct sock
-
- seq_printf(f, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d%n",
-- bucket, src, srcp, dest, destp, sp->sk_state,
-+ bucket,
-+ nx_map_sock_lback(current_nx_info(), src), srcp,
-+ nx_map_sock_lback(current_nx_info(), dest), destp,
-+ sp->sk_state,
- atomic_read(&sp->sk_wmem_alloc),
- atomic_read(&sp->sk_rmem_alloc),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/addrconf.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/addrconf.c
---- linux-2.6.27.33/net/ipv6/addrconf.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/addrconf.c 2008-11-21 13:32:00.000000000 +0100
-@@ -85,6 +85,8 @@
+ if (!sk) {
+ if (state->bucket <= state->udp_table->mask)
+@@ -2384,8 +2405,8 @@ static void udp4_format_sock(struct sock
+ int bucket)
+ {
+ struct inet_sock *inet = inet_sk(sp);
+- __be32 dest = inet->inet_daddr;
+- __be32 src = inet->inet_rcv_saddr;
++ __be32 dest = nx_map_sock_lback(current_nx_info(), inet->inet_daddr);
++ __be32 src = nx_map_sock_lback(current_nx_info(), inet->inet_rcv_saddr);
+ __u16 destp = ntohs(inet->inet_dport);
+ __u16 srcp = ntohs(inet->inet_sport);
+
+diff -NurpP --minimal linux-3.18.5/net/ipv6/Kconfig linux-3.18.5-vs2.3.7.3/net/ipv6/Kconfig
+--- linux-3.18.5/net/ipv6/Kconfig 2014-06-12 11:35:11.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/Kconfig 2015-01-19 10:58:31.000000000 +0000
+@@ -4,8 +4,8 @@
+ # IPv6 as module will cause a CRASH if you try to unload it
+ menuconfig IPV6
+- tristate "The IPv6 protocol"
+- default m
++ bool "The IPv6 protocol"
++ default n
+ ---help---
+ This is complemental support for the IP version 6.
+ You will still be able to do traditional IPv4 networking as well.
+diff -NurpP --minimal linux-3.18.5/net/ipv6/addrconf.c linux-3.18.5-vs2.3.7.3/net/ipv6/addrconf.c
+--- linux-3.18.5/net/ipv6/addrconf.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/addrconf.c 2015-01-19 10:58:31.000000000 +0000
+@@ -90,6 +90,8 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
+ #include <linux/export.h>
+#include <linux/vs_network.h>
+#include <linux/vs_inet6.h>
/* Set to 3 to get tracing... */
#define ACONF_DEBUG 2
-@@ -1108,7 +1110,7 @@ out:
+@@ -1319,7 +1321,7 @@ out:
- int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev,
+ int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev,
const struct in6_addr *daddr, unsigned int prefs,
- struct in6_addr *saddr)
+ struct in6_addr *saddr, struct nx_info *nxi)
{
struct ipv6_saddr_score scores[2],
*score = &scores[0], *hiscore = &scores[1];
-@@ -1181,6 +1183,8 @@ int ipv6_dev_get_saddr(struct net *net,
+@@ -1391,6 +1393,8 @@ int ipv6_dev_get_saddr(struct net *net,
dev->name);
continue;
}
score->rule = -1;
bitmap_zero(score->scorebits, IPV6_SADDR_RULE_MAX);
-@@ -1364,35 +1368,46 @@ struct inet6_ifaddr *ipv6_get_ifaddr(str
- return ifp;
- }
-
-+extern int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2);
-+
- int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
- {
- const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
- const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
-- __be32 sk_rcv_saddr = inet_sk(sk)->rcv_saddr;
- __be32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
- int sk_ipv6only = ipv6_only_sock(sk);
- int sk2_ipv6only = inet_v6_ipv6only(sk2);
- int addr_type = ipv6_addr_type(sk_rcv_saddr6);
- int addr_type2 = sk2_rcv_saddr6 ? ipv6_addr_type(sk2_rcv_saddr6) : IPV6_ADDR_MAPPED;
-
-- if (!sk2_rcv_saddr && !sk_ipv6only)
-+ /* FIXME: needs handling for v4 ANY */
-+ if (!sk2_rcv_saddr && !sk_ipv6only && !sk2->sk_nx_info)
- return 1;
-
- if (addr_type2 == IPV6_ADDR_ANY &&
-- !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
-+ !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED) &&
-+ v6_addr_in_nx_info(sk2->sk_nx_info, sk_rcv_saddr6, -1))
- return 1;
-
- if (addr_type == IPV6_ADDR_ANY &&
-- !(sk_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
-+ !(sk_ipv6only && addr_type2 == IPV6_ADDR_MAPPED) &&
-+ (sk2_rcv_saddr6 && v6_addr_in_nx_info(sk->sk_nx_info, sk2_rcv_saddr6, -1)))
-+ return 1;
-+
-+ if (addr_type == IPV6_ADDR_ANY &&
-+ addr_type2 == IPV6_ADDR_ANY &&
-+ nx_v6_addr_conflict(sk->sk_nx_info, sk2->sk_nx_info))
- return 1;
-
- if (sk2_rcv_saddr6 &&
-+ addr_type != IPV6_ADDR_ANY &&
-+ addr_type != IPV6_ADDR_ANY &&
- ipv6_addr_equal(sk_rcv_saddr6, sk2_rcv_saddr6))
- return 1;
-
- if (addr_type == IPV6_ADDR_MAPPED &&
- !sk2_ipv6only &&
-- (!sk2_rcv_saddr || !sk_rcv_saddr || sk_rcv_saddr == sk2_rcv_saddr))
-+ ipv4_rcv_saddr_equal(sk, sk2))
- return 1;
-
- return 0;
-@@ -2986,7 +3001,10 @@ static void if6_seq_stop(struct seq_file
+@@ -3503,7 +3507,10 @@ static void if6_seq_stop(struct seq_file
static int if6_seq_show(struct seq_file *seq, void *v)
{
struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v;
-- seq_printf(seq,
+- seq_printf(seq, "%pi6 %02x %02x %02x %02x %8s\n",
+
+ if (nx_check(0, VS_ADMIN|VS_WATCH) ||
+ v6_addr_in_nx_info(current_nx_info(), &ifp->addr, -1))
-+ seq_printf(seq,
- NIP6_SEQFMT " %02x %02x %02x %02x %8s\n",
- NIP6(ifp->addr),
++ seq_printf(seq, "%pi6 %02x %02x %02x %02x %8s\n",
+ &ifp->addr,
ifp->idev->dev->ifindex,
-@@ -3481,6 +3499,12 @@ static int inet6_dump_addr(struct sk_buf
- struct ifmcaddr6 *ifmca;
+ ifp->prefix_len,
+@@ -4084,6 +4091,11 @@ static int in6_dump_addrs(struct inet6_d
struct ifacaddr6 *ifaca;
- struct net *net = sock_net(skb->sk);
+ int err = 1;
+ int ip_idx = *p_ip_idx;
+ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
+
+ /* disable ipv6 on non v6 guests */
+ if (nxi && !nx_info_has_v6(nxi))
+ return skb->len;
-+
- s_idx = cb->args[0];
- s_ip_idx = ip_idx = cb->args[1];
-@@ -3502,6 +3526,8 @@ static int inet6_dump_addr(struct sk_buf
- ifa = ifa->if_next, ip_idx++) {
- if (ip_idx < s_ip_idx)
- continue;
+ read_lock_bh(&idev->lock);
+ switch (type) {
+@@ -4094,6 +4106,8 @@ static int in6_dump_addrs(struct inet6_d
+ list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ if (++ip_idx < s_ip_idx)
+ continue;
+ if (!v6_addr_in_nx_info(nxi, &ifa->addr, -1))
+ continue;
- err = inet6_fill_ifaddr(skb, ifa,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq,
-@@ -3515,6 +3541,8 @@ static int inet6_dump_addr(struct sk_buf
- ifmca = ifmca->next, ip_idx++) {
- if (ip_idx < s_ip_idx)
- continue;
+ err = inet6_fill_ifaddr(skb, ifa,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+@@ -4111,6 +4125,8 @@ static int in6_dump_addrs(struct inet6_d
+ ifmca = ifmca->next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
+ if (!v6_addr_in_nx_info(nxi, &ifmca->mca_addr, -1))
+ continue;
- err = inet6_fill_ifmcaddr(skb, ifmca,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq,
-@@ -3528,6 +3556,8 @@ static int inet6_dump_addr(struct sk_buf
- ifaca = ifaca->aca_next, ip_idx++) {
- if (ip_idx < s_ip_idx)
- continue;
+ err = inet6_fill_ifmcaddr(skb, ifmca,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+@@ -4126,6 +4142,8 @@ static int in6_dump_addrs(struct inet6_d
+ ifaca = ifaca->aca_next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
+ if (!v6_addr_in_nx_info(nxi, &ifaca->aca_addr, -1))
+ continue;
- err = inet6_fill_ifacaddr(skb, ifaca,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq,
-@@ -3813,12 +3843,19 @@ static int inet6_dump_ifinfo(struct sk_b
- int s_idx = cb->args[0];
- struct net_device *dev;
+ err = inet6_fill_ifacaddr(skb, ifaca,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+@@ -4154,6 +4172,10 @@ static int inet6_dump_addr(struct sk_buf
struct inet6_dev *idev;
-+ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
-+
+ struct hlist_head *head;
+
+ /* FIXME: maybe disable ipv6 on non v6 guests?
+ if (skb->sk && skb->sk->sk_vx_info)
+ return skb->len; */
++
+ s_h = cb->args[0];
+ s_idx = idx = cb->args[1];
+ s_ip_idx = ip_idx = cb->args[2];
+@@ -4617,6 +4639,7 @@ static int inet6_dump_ifinfo(struct sk_b
+ struct net_device *dev;
+ struct inet6_dev *idev;
+ struct hlist_head *head;
++ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
- read_lock(&dev_base_lock);
- idx = 0;
- for_each_netdev(net, dev) {
- if (idx < s_idx)
- goto cont;
-+ if (!v6_dev_in_nx_info(dev, nxi))
-+ goto cont;
- if ((idev = in6_dev_get(dev)) == NULL)
- goto cont;
- err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid,
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/af_inet6.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/af_inet6.c
---- linux-2.6.27.33/net/ipv6/af_inet6.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/af_inet6.c 2008-10-13 14:54:20.000000000 +0200
-@@ -41,6 +41,8 @@
+ s_h = cb->args[0];
+ s_idx = cb->args[1];
+@@ -4628,6 +4651,8 @@ static int inet6_dump_ifinfo(struct sk_b
+ hlist_for_each_entry_rcu(dev, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
++ if (!v6_dev_in_nx_info(dev, nxi))
++ goto cont;
+ idev = __in6_dev_get(dev);
+ if (!idev)
+ goto cont;
+diff -NurpP --minimal linux-3.18.5/net/ipv6/af_inet6.c linux-3.18.5-vs2.3.7.3/net/ipv6/af_inet6.c
+--- linux-3.18.5/net/ipv6/af_inet6.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/af_inet6.c 2015-01-19 10:58:31.000000000 +0000
+@@ -43,6 +43,8 @@
#include <linux/netdevice.h>
#include <linux/icmpv6.h>
#include <linux/netfilter_ipv6.h>
#include <net/ip.h>
#include <net/ipv6.h>
-@@ -49,6 +51,7 @@
- #include <net/tcp.h>
- #include <net/ipip.h>
- #include <net/protocol.h>
-+#include <net/route.h>
- #include <net/inet_common.h>
- #include <net/transp_v6.h>
- #include <net/ip6_route.h>
-@@ -141,9 +144,12 @@ lookup_protocol:
+@@ -155,10 +157,13 @@ lookup_protocol:
}
err = -EPERM;
+ if ((protocol == IPPROTO_ICMPV6) &&
-+ nx_capable(answer->capability, NXC_RAW_ICMP))
++ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
+ goto override;
- if (answer->capability > 0 && !capable(answer->capability))
+ if (sock->type == SOCK_RAW && !kern &&
+ !ns_capable(net->user_ns, CAP_NET_RAW))
goto out_rcu_unlock;
-
+override:
sock->ops = answer->ops;
answer_prot = answer->prot;
- answer_no_check = answer->no_check;
-@@ -242,6 +248,7 @@ int inet6_bind(struct socket *sock, stru
+ answer_flags = answer->flags;
+@@ -256,6 +261,7 @@ int inet6_bind(struct socket *sock, stru
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct net *net = sock_net(sk);
__be32 v4addr = 0;
unsigned short snum;
int addr_type = 0;
-@@ -253,6 +260,11 @@ int inet6_bind(struct socket *sock, stru
+@@ -271,6 +277,10 @@ int inet6_bind(struct socket *sock, stru
+ if (addr->sin6_family != AF_INET6)
+ return -EAFNOSUPPORT;
- if (addr_len < SIN6_LEN_RFC2133)
- return -EINVAL;
-+
+ err = v6_map_sock_addr(inet, addr, &nsa);
+ if (err)
+ return err;
addr_type = ipv6_addr_type(&addr->sin6_addr);
if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
return -EINVAL;
-@@ -276,6 +288,10 @@ int inet6_bind(struct socket *sock, stru
+@@ -311,6 +321,10 @@ int inet6_bind(struct socket *sock, stru
err = -EADDRNOTAVAIL;
goto out;
}
} else {
if (addr_type != IPV6_ADDR_ANY) {
struct net_device *dev = NULL;
-@@ -301,6 +317,11 @@ int inet6_bind(struct socket *sock, stru
+@@ -337,6 +351,11 @@ int inet6_bind(struct socket *sock, stru
}
}
+ if (!v6_addr_in_nx_info(sk->sk_nx_info, &addr->sin6_addr, -1)) {
+ err = -EADDRNOTAVAIL;
-+ goto out;
++ goto out_unlock;
+ }
+
/* ipv4 addr of the socket is invalid. Only the
* unspecified and mapped address have a v4 equivalent.
*/
-@@ -319,6 +340,8 @@ int inet6_bind(struct socket *sock, stru
+@@ -353,6 +372,9 @@ int inet6_bind(struct socket *sock, stru
}
}
++ /* what's that for? */
+ v6_set_sock_addr(inet, &nsa);
+
- inet->rcv_saddr = v4addr;
- inet->saddr = v4addr;
+ inet->inet_rcv_saddr = v4addr;
+ inet->inet_saddr = v4addr;
-@@ -411,9 +434,11 @@ int inet6_getname(struct socket *sock, s
+@@ -454,9 +476,11 @@ int inet6_getname(struct socket *sock, s
return -ENOTCONN;
- sin->sin6_port = inet->dport;
- ipv6_addr_copy(&sin->sin6_addr, &np->daddr);
+ sin->sin6_port = inet->inet_dport;
+ sin->sin6_addr = sk->sk_v6_daddr;
+ /* FIXME: remap lback? */
if (np->sndflow)
sin->sin6_flowinfo = np->flow_label;
} else {
+ /* FIXME: remap lback? */
- if (ipv6_addr_any(&np->rcv_saddr))
- ipv6_addr_copy(&sin->sin6_addr, &np->saddr);
+ if (ipv6_addr_any(&sk->sk_v6_rcv_saddr))
+ sin->sin6_addr = np->saddr;
else
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/fib6_rules.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/fib6_rules.c
---- linux-2.6.27.33/net/ipv6/fib6_rules.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/fib6_rules.c 2008-10-13 14:54:20.000000000 +0200
-@@ -96,7 +96,7 @@ static int fib6_rule_action(struct fib_r
- if (ipv6_dev_get_saddr(net,
- ip6_dst_idev(&rt->u.dst)->dev,
- &flp->fl6_dst, srcprefs,
+diff -NurpP --minimal linux-3.18.5/net/ipv6/datagram.c linux-3.18.5-vs2.3.7.3/net/ipv6/datagram.c
+--- linux-3.18.5/net/ipv6/datagram.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/datagram.c 2015-01-19 10:58:31.000000000 +0000
+@@ -675,7 +675,7 @@ int ip6_datagram_send_ctl(struct net *ne
+
+ rcu_read_lock();
+ if (fl6->flowi6_oif) {
+- dev = dev_get_by_index_rcu(net, fl6->flowi6_oif);
++ dev = dev_get_by_index_real_rcu(net, fl6->flowi6_oif);
+ if (!dev) {
+ rcu_read_unlock();
+ return -ENODEV;
+diff -NurpP --minimal linux-3.18.5/net/ipv6/fib6_rules.c linux-3.18.5-vs2.3.7.3/net/ipv6/fib6_rules.c
+--- linux-3.18.5/net/ipv6/fib6_rules.c 2014-06-12 11:35:11.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/fib6_rules.c 2015-01-19 10:58:31.000000000 +0000
+@@ -97,7 +97,7 @@ static int fib6_rule_action(struct fib_r
+ ip6_dst_idev(&rt->dst)->dev,
+ &flp6->daddr,
+ rt6_flags2srcprefs(flags),
- &saddr))
+ &saddr, NULL))
goto again;
if (!ipv6_prefix_equal(&saddr, &r->src.addr,
r->src.plen))
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/inet6_hashtables.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/inet6_hashtables.c
---- linux-2.6.27.33/net/ipv6/inet6_hashtables.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/inet6_hashtables.c 2009-05-15 22:57:04.000000000 +0200
+diff -NurpP --minimal linux-3.18.5/net/ipv6/inet6_hashtables.c linux-3.18.5-vs2.3.7.3/net/ipv6/inet6_hashtables.c
+--- linux-3.18.5/net/ipv6/inet6_hashtables.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/inet6_hashtables.c 2015-01-19 10:58:31.000000000 +0000
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <net/inet_connection_sock.h>
#include <net/inet_hashtables.h>
-@@ -115,6 +116,9 @@ struct sock *inet6_lookup_listener(struc
- if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
- continue;
- score++;
-+ } else {
-+ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
-+ continue;
- }
- if (sk->sk_bound_dev_if) {
- if (sk->sk_bound_dev_if != dif)
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/ip6_output.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/ip6_output.c
---- linux-2.6.27.33/net/ipv6/ip6_output.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/ip6_output.c 2009-02-22 22:58:33.000000000 +0100
-@@ -937,7 +937,7 @@ static int ip6_dst_lookup_tail(struct so
- err = ipv6_dev_get_saddr(net, ip6_dst_idev(*dst)->dev,
- &fl->fl6_dst,
- sk ? inet6_sk(sk)->srcprefs : 0,
-- &fl->fl6_src);
-+ &fl->fl6_src, sk->sk_nx_info);
+@@ -116,7 +117,6 @@ struct sock *__inet6_lookup_established(
+ unsigned int slot = hash & hashinfo->ehash_mask;
+ struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
+
+-
+ rcu_read_lock();
+ begin:
+ sk_nulls_for_each_rcu(sk, node, &head->chain) {
+@@ -158,6 +158,9 @@ static inline int compute_score(struct s
+ if (!ipv6_addr_equal(&sk->sk_v6_rcv_saddr, daddr))
+ return -1;
+ score++;
++ } else {
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
++ return -1;
+ }
+ if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if != dif)
+diff -NurpP --minimal linux-3.18.5/net/ipv6/ip6_fib.c linux-3.18.5-vs2.3.7.3/net/ipv6/ip6_fib.c
+--- linux-3.18.5/net/ipv6/ip6_fib.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/ip6_fib.c 2015-01-19 10:58:31.000000000 +0000
+@@ -1845,6 +1845,7 @@ static int ipv6_route_seq_show(struct se
+ struct rt6_info *rt = v;
+ struct ipv6_route_iter *iter = seq->private;
+
++ /* FIXME: check for network context? */
+ seq_printf(seq, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen);
+
+ #ifdef CONFIG_IPV6_SUBTREES
+diff -NurpP --minimal linux-3.18.5/net/ipv6/ip6_output.c linux-3.18.5-vs2.3.7.3/net/ipv6/ip6_output.c
+--- linux-3.18.5/net/ipv6/ip6_output.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/ip6_output.c 2015-01-19 10:58:31.000000000 +0000
+@@ -907,7 +907,8 @@ static int ip6_dst_lookup_tail(struct so
+ struct rt6_info *rt = (struct rt6_info *) *dst;
+ err = ip6_route_get_saddr(net, rt, &fl6->daddr,
+ sk ? inet6_sk(sk)->srcprefs : 0,
+- &fl6->saddr);
++ &fl6->saddr,
++ sk ? sk->sk_nx_info : NULL);
if (err)
goto out_err_release;
}
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/Kconfig linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/Kconfig
---- linux-2.6.27.33/net/ipv6/Kconfig 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/Kconfig 2008-10-13 14:54:20.000000000 +0200
-@@ -4,8 +4,8 @@
-
- # IPv6 as module will cause a CRASH if you try to unload it
- menuconfig IPV6
-- tristate "The IPv6 protocol"
-- default m
-+ bool "The IPv6 protocol"
-+ default n
- ---help---
- This is complemental support for the IP version 6.
- You will still be able to do traditional IPv4 networking as well.
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/ndisc.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/ndisc.c
---- linux-2.6.27.33/net/ipv6/ndisc.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/ndisc.c 2008-10-13 14:54:20.000000000 +0200
-@@ -551,7 +551,7 @@ static void ndisc_send_na(struct net_dev
+diff -NurpP --minimal linux-3.18.5/net/ipv6/ndisc.c linux-3.18.5-vs2.3.7.3/net/ipv6/ndisc.c
+--- linux-3.18.5/net/ipv6/ndisc.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/ndisc.c 2015-01-19 10:58:31.000000000 +0000
+@@ -487,7 +487,7 @@ void ndisc_send_na(struct net_device *de
} else {
if (ipv6_dev_get_saddr(dev_net(dev), dev, daddr,
inet6_sk(dev_net(dev)->ipv6.ndisc_sk)->srcprefs,
- &tmpaddr))
-+ &tmpaddr, NULL /* FIXME: ? */ ))
++ &tmpaddr, NULL))
return;
src_addr = &tmpaddr;
}
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/raw.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/raw.c
---- linux-2.6.27.33/net/ipv6/raw.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/raw.c 2008-11-21 13:32:00.000000000 +0100
-@@ -29,6 +29,7 @@
+diff -NurpP --minimal linux-3.18.5/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c linux-3.18.5-vs2.3.7.3/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c
+--- linux-3.18.5/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c 2015-01-19 23:51:41.000000000 +0000
+@@ -35,7 +35,7 @@ nf_nat_masquerade_ipv6(struct sk_buff *s
+ ctinfo == IP_CT_RELATED_REPLY));
+
+ if (ipv6_dev_get_saddr(dev_net(out), out,
+- &ipv6_hdr(skb)->daddr, 0, &src) < 0)
++ &ipv6_hdr(skb)->daddr, 0, &src, NULL) < 0)
+ return NF_DROP;
+
+ nfct_nat(ct)->masq_index = out->ifindex;
+diff -NurpP --minimal linux-3.18.5/net/ipv6/raw.c linux-3.18.5-vs2.3.7.3/net/ipv6/raw.c
+--- linux-3.18.5/net/ipv6/raw.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/raw.c 2015-01-19 10:58:31.000000000 +0000
+@@ -30,6 +30,7 @@
#include <linux/icmpv6.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv6.h>
+#include <linux/vs_inet6.h>
#include <linux/skbuff.h>
+ #include <linux/compat.h>
#include <asm/uaccess.h>
- #include <asm/ioctls.h>
-@@ -281,6 +282,13 @@ static int rawv6_bind(struct sock *sk, s
- }
+@@ -291,6 +292,13 @@ static int rawv6_bind(struct sock *sk, s
+ goto out_unlock;
}
+ if (!v6_addr_in_nx_info(sk->sk_nx_info, &addr->sin6_addr, -1)) {
/* ipv4 addr of the socket is invalid. Only the
* unspecified and mapped address have a v4 equivalent.
*/
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/route.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/route.c
---- linux-2.6.27.33/net/ipv6/route.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/route.c 2008-10-13 14:54:20.000000000 +0200
-@@ -2191,7 +2191,8 @@ static int rt6_fill_node(struct net *net
- struct inet6_dev *idev = ip6_dst_idev(&rt->u.dst);
+diff -NurpP --minimal linux-3.18.5/net/ipv6/route.c linux-3.18.5-vs2.3.7.3/net/ipv6/route.c
+--- linux-3.18.5/net/ipv6/route.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/route.c 2015-01-19 11:21:40.000000000 +0000
+@@ -58,6 +58,7 @@
+ #include <net/netevent.h>
+ #include <net/netlink.h>
+ #include <net/nexthop.h>
++#include <linux/vs_inet6.h>
+
+ #include <asm/uaccess.h>
+
+@@ -2183,15 +2184,17 @@ int ip6_route_get_saddr(struct net *net,
+ struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+- struct in6_addr *saddr)
++ struct in6_addr *saddr,
++ struct nx_info *nxi)
+ {
+ struct inet6_dev *idev = ip6_dst_idev((struct dst_entry *)rt);
+ int err = 0;
+- if (rt->rt6i_prefsrc.plen)
++ if (rt->rt6i_prefsrc.plen && (!nxi ||
++ v6_addr_in_nx_info(nxi, &rt->rt6i_prefsrc.addr, NXA_TYPE_ADDR)))
+ *saddr = rt->rt6i_prefsrc.addr;
+ else
+ err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
+- daddr, prefs, saddr);
++ daddr, prefs, saddr, nxi);
+ return err;
+ }
+
+@@ -2632,7 +2635,8 @@ static int rt6_fill_node(struct net *net
+ goto nla_put_failure;
+ } else if (dst) {
struct in6_addr saddr_buf;
- if (ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
-- dst, 0, &saddr_buf) == 0)
-+ dst, 0, &saddr_buf,
-+ (skb->sk ? skb->sk->sk_nx_info : NULL)) == 0)
- NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf);
+- if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf) == 0 &&
++ if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf,
++ (skb->sk ? skb->sk->sk_nx_info : NULL)) == 0 &&
+ nla_put(skb, RTA_PREFSRC, 16, &saddr_buf))
+ goto nla_put_failure;
}
-
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/tcp_ipv6.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/tcp_ipv6.c
---- linux-2.6.27.33/net/ipv6/tcp_ipv6.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/tcp_ipv6.c 2009-02-03 17:59:04.000000000 +0100
-@@ -67,6 +67,7 @@
+diff -NurpP --minimal linux-3.18.5/net/ipv6/tcp_ipv6.c linux-3.18.5-vs2.3.7.3/net/ipv6/tcp_ipv6.c
+--- linux-3.18.5/net/ipv6/tcp_ipv6.c 2015-02-05 18:02:46.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/tcp_ipv6.c 2015-01-28 11:48:02.000000000 +0000
+@@ -69,6 +69,7 @@
#include <linux/crypto.h>
#include <linux/scatterlist.h>
static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb);
static void tcp_v6_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
-@@ -155,8 +156,15 @@ static int tcp_v6_connect(struct sock *s
+@@ -164,8 +165,15 @@ static int tcp_v6_connect(struct sock *s
* connect() to INADDR_ANY means loopback (BSD'ism).
*/
-- if(ipv6_addr_any(&usin->sin6_addr))
+- if (ipv6_addr_any(&usin->sin6_addr))
- usin->sin6_addr.s6_addr[15] = 0x1;
+ if(ipv6_addr_any(&usin->sin6_addr)) {
+ struct nx_info *nxi = sk->sk_nx_info;
addr_type = ipv6_addr_type(&usin->sin6_addr);
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/udp.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/udp.c
---- linux-2.6.27.33/net/ipv6/udp.c 2009-09-13 16:17:01.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/udp.c 2009-02-03 17:59:04.000000000 +0100
+diff -NurpP --minimal linux-3.18.5/net/ipv6/udp.c linux-3.18.5-vs2.3.7.3/net/ipv6/udp.c
+--- linux-3.18.5/net/ipv6/udp.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/udp.c 2015-01-19 10:58:32.000000000 +0000
@@ -47,6 +47,7 @@
+ #include <net/xfrm.h>
+ #include <net/inet6_hashtables.h>
+ #include <net/busy_poll.h>
++#include <linux/vs_inet6.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-+#include <linux/vs_inet6.h>
- #include "udp_impl.h"
-
- int udp_v6_get_port(struct sock *sk, unsigned short snum)
-@@ -81,6 +82,10 @@ static struct sock *__udp6_lib_lookup(st
- if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
- continue;
- score++;
-+ } else {
-+ /* block non nx_info ips */
-+ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
-+ continue;
- }
- if (!ipv6_addr_any(&np->daddr)) {
- if (!ipv6_addr_equal(&np->daddr, saddr))
-diff -NurpP --minimal linux-2.6.27.33/net/ipv6/xfrm6_policy.c linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/xfrm6_policy.c
---- linux-2.6.27.33/net/ipv6/xfrm6_policy.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/ipv6/xfrm6_policy.c 2008-10-13 14:54:20.000000000 +0200
-@@ -61,7 +61,7 @@ static int xfrm6_get_saddr(xfrm_address_
+@@ -159,6 +160,10 @@ static inline int compute_score(struct s
+ if (inet->inet_dport != sport)
+ return -1;
+ score++;
++ } else {
++ /* block non nx_info ips */
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
++ return -1;
+ }
+ if (!ipv6_addr_any(&sk->sk_v6_rcv_saddr)) {
+ if (!ipv6_addr_equal(&sk->sk_v6_rcv_saddr, daddr))
+diff -NurpP --minimal linux-3.18.5/net/ipv6/xfrm6_policy.c linux-3.18.5-vs2.3.7.3/net/ipv6/xfrm6_policy.c
+--- linux-3.18.5/net/ipv6/xfrm6_policy.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/ipv6/xfrm6_policy.c 2015-01-19 10:58:32.000000000 +0000
+@@ -63,7 +63,7 @@ static int xfrm6_get_saddr(struct net *n
dev = ip6_dst_idev(dst)->dev;
ipv6_dev_get_saddr(dev_net(dev), dev,
(struct in6_addr *)&daddr->a6, 0,
dst_release(dst);
return 0;
}
-diff -NurpP --minimal linux-2.6.27.33/net/Kconfig linux-2.6.27.33-vs2.3.0.36.6/net/Kconfig
---- linux-2.6.27.33/net/Kconfig 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/Kconfig 2008-11-20 15:21:32.000000000 +0100
-@@ -27,7 +27,7 @@ menu "Networking options"
- config NET_NS
- bool "Network namespace support"
- default n
-- depends on EXPERIMENTAL && !SYSFS && NAMESPACES
-+ depends on EXPERIMENTAL && NAMESPACES
- help
- Allow user space to create what appear to be multiple instances
- of the network stack.
-diff -NurpP --minimal linux-2.6.27.33/net/netlink/af_netlink.c linux-2.6.27.33-vs2.3.0.36.6/net/netlink/af_netlink.c
---- linux-2.6.27.33/net/netlink/af_netlink.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/netlink/af_netlink.c 2008-10-13 14:54:20.000000000 +0200
-@@ -55,6 +55,9 @@
- #include <linux/types.h>
- #include <linux/audit.h>
- #include <linux/mutex.h>
+diff -NurpP --minimal linux-3.18.5/net/netfilter/ipvs/ip_vs_xmit.c linux-3.18.5-vs2.3.7.3/net/netfilter/ipvs/ip_vs_xmit.c
+--- linux-3.18.5/net/netfilter/ipvs/ip_vs_xmit.c 2015-01-17 02:40:25.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/netfilter/ipvs/ip_vs_xmit.c 2015-01-19 10:58:32.000000000 +0000
+@@ -379,7 +379,7 @@ __ip_vs_route_output_v6(struct net *net,
+ return dst;
+ if (ipv6_addr_any(&fl6.saddr) &&
+ ipv6_dev_get_saddr(net, ip6_dst_idev(dst)->dev,
+- &fl6.daddr, 0, &fl6.saddr) < 0)
++ &fl6.daddr, 0, &fl6.saddr, NULL) < 0)
+ goto out_err;
+ if (do_xfrm) {
+ dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
+diff -NurpP --minimal linux-3.18.5/net/netlink/af_netlink.c linux-3.18.5-vs2.3.7.3/net/netlink/af_netlink.c
+--- linux-3.18.5/net/netlink/af_netlink.c 2015-02-05 18:02:46.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/netlink/af_netlink.c 2015-01-28 11:48:02.000000000 +0000
+@@ -61,6 +61,9 @@
+ #include <linux/rhashtable.h>
+ #include <asm/cacheflush.h>
+ #include <linux/hash.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
+#include <linux/vs_limit.h>
#include <net/net_namespace.h>
#include <net/sock.h>
-@@ -1761,6 +1764,8 @@ static struct sock *netlink_seq_socket_i
- sk_for_each(s, node, &hash->table[j]) {
+@@ -2899,6 +2902,8 @@ static struct sock *netlink_seq_socket_i
+
if (sock_net(s) != seq_file_net(seq))
continue;
+ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
if (off == pos) {
iter->link = i;
iter->hash_idx = j;
-@@ -1795,7 +1800,8 @@ static void *netlink_seq_next(struct seq
- s = v;
- do {
- s = sk_next(s);
-- } while (s && sock_net(s) != seq_file_net(seq));
-+ } while (s && (sock_net(s) != seq_file_net(seq) ||
-+ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)));
- if (s)
- return s;
-
-@@ -1807,7 +1813,8 @@ static void *netlink_seq_next(struct seq
-
- for (; j <= hash->mask; j++) {
- s = sk_head(&hash->table[j]);
-- while (s && sock_net(s) != seq_file_net(seq))
-+ while (s && (sock_net(s) != seq_file_net(seq) ||
-+ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)))
- s = sk_next(s);
- if (s) {
- iter->link = i;
-diff -NurpP --minimal linux-2.6.27.33/net/sctp/ipv6.c linux-2.6.27.33-vs2.3.0.36.6/net/sctp/ipv6.c
---- linux-2.6.27.33/net/sctp/ipv6.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/sctp/ipv6.c 2008-10-13 14:54:20.000000000 +0200
-@@ -323,7 +323,8 @@ static void sctp_v6_get_saddr(struct sct
- dst ? ip6_dst_idev(dst)->dev : NULL,
- &daddr->v6.sin6_addr,
- inet6_sk(&sk->inet.sk)->srcprefs,
-- &saddr->v6.sin6_addr);
-+ &saddr->v6.sin6_addr,
-+ asoc->base.sk->sk_nx_info);
- SCTP_DEBUG_PRINTK("saddr from ipv6_get_saddr: " NIP6_FMT "\n",
- NIP6(saddr->v6.sin6_addr));
- return;
-diff -NurpP --minimal linux-2.6.27.33/net/socket.c linux-2.6.27.33-vs2.3.0.36.6/net/socket.c
---- linux-2.6.27.33/net/socket.c 2009-09-13 16:17:02.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/socket.c 2009-08-17 19:07:36.000000000 +0200
-@@ -96,6 +96,10 @@
+diff -NurpP --minimal linux-3.18.5/net/socket.c linux-3.18.5-vs2.3.7.3/net/socket.c
+--- linux-3.18.5/net/socket.c 2015-01-17 02:40:30.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/socket.c 2015-01-19 10:58:32.000000000 +0000
+@@ -99,6 +99,9 @@
#include <net/sock.h>
#include <linux/netfilter.h>
-+#include <linux/vs_base.h>
+#include <linux/vs_socket.h>
+#include <linux/vs_inet.h>
+#include <linux/vs_inet6.h>
- static int sock_no_open(struct inode *irrelevant, struct file *dontcare);
- static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov,
-@@ -550,7 +554,7 @@ static inline int __sock_sendmsg(struct
- struct msghdr *msg, size_t size)
+ #include <linux/if_tun.h>
+ #include <linux/ipv6_route.h>
+@@ -634,13 +637,29 @@ static inline int __sock_sendmsg_nosec(s
+ struct msghdr *msg, size_t size)
{
struct sock_iocb *si = kiocb_to_siocb(iocb);
-- int err;
-+ int err, len;
++ size_t len;
si->sock = sock;
si->scm = NULL;
-@@ -561,7 +565,22 @@ static inline int __sock_sendmsg(struct
- if (err)
- return err;
+ si->msg = msg;
+ si->size = size;
- return sock->ops->sendmsg(iocb, sock, msg, size);
+ len = sock->ops->sendmsg(iocb, sock, msg, size);
+ vx_sock_fail(sock->sk, size);
+ }
+ vxdprintk(VXD_CBIT(net, 7),
-+ "__sock_sendmsg: %p[%p,%p,%p;%d/%d]:%d/%d",
++ "__sock_sendmsg: %p[%p,%p,%p;%d/%d]:%d/%zu",
+ sock, sock->sk,
+ (sock->sk)?sock->sk->sk_nx_info:0,
+ (sock->sk)?sock->sk->sk_vx_info:0,
+ return len;
}
- int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
-@@ -630,7 +649,7 @@ EXPORT_SYMBOL_GPL(__sock_recv_timestamp)
- static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
- struct msghdr *msg, size_t size, int flags)
+ static inline int __sock_sendmsg(struct kiocb *iocb, struct socket *sock,
+@@ -780,6 +799,7 @@ static inline int __sock_recvmsg_nosec(s
+ struct msghdr *msg, size_t size, int flags)
{
-- int err;
-+ int err, len;
struct sock_iocb *si = kiocb_to_siocb(iocb);
++ int len;
si->sock = sock;
-@@ -643,7 +662,18 @@ static inline int __sock_recvmsg(struct
- if (err)
- return err;
+ si->scm = NULL;
+@@ -787,7 +807,18 @@ static inline int __sock_recvmsg_nosec(s
+ si->size = size;
+ si->flags = flags;
- return sock->ops->recvmsg(iocb, sock, msg, size, flags);
+ len = sock->ops->recvmsg(iocb, sock, msg, size, flags);
+ return len;
}
- int sock_recvmsg(struct socket *sock, struct msghdr *msg,
-@@ -1108,6 +1138,13 @@ static int __sock_create(struct net *net
+ static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
+@@ -1264,6 +1295,13 @@ int __sock_create(struct net *net, int f
if (type < 0 || type >= SOCK_MAX)
return -EINVAL;
/* Compatibility.
This uglymoron is moved from INET layer to here to avoid
-@@ -1240,6 +1277,7 @@ SYSCALL_DEFINE3(socket, int, family, int
+@@ -1398,6 +1436,7 @@ SYSCALL_DEFINE3(socket, int, family, int
if (retval < 0)
goto out;
retval = sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK));
if (retval < 0)
goto out_release;
-@@ -1281,10 +1319,12 @@ SYSCALL_DEFINE4(socketpair, int, family,
+@@ -1439,10 +1478,12 @@ SYSCALL_DEFINE4(socketpair, int, family,
err = sock_create(family, type, protocol, &sock1);
if (err < 0)
goto out;
err = sock1->ops->socketpair(sock1, sock2);
if (err < 0)
-diff -NurpP --minimal linux-2.6.27.33/net/sunrpc/auth.c linux-2.6.27.33-vs2.3.0.36.6/net/sunrpc/auth.c
---- linux-2.6.27.33/net/sunrpc/auth.c 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/sunrpc/auth.c 2008-10-13 14:54:20.000000000 +0200
-@@ -14,6 +14,7 @@
- #include <linux/hash.h>
+diff -NurpP --minimal linux-3.18.5/net/sunrpc/auth.c linux-3.18.5-vs2.3.7.3/net/sunrpc/auth.c
+--- linux-3.18.5/net/sunrpc/auth.c 2015-01-16 22:19:32.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/sunrpc/auth.c 2015-01-19 11:18:55.000000000 +0000
+@@ -15,6 +15,7 @@
#include <linux/sunrpc/clnt.h>
+ #include <linux/sunrpc/gss_api.h>
#include <linux/spinlock.h>
+#include <linux/vs_tag.h>
#ifdef RPC_DEBUG
# define RPCDBG_FACILITY RPCDBG_AUTH
-@@ -353,6 +354,7 @@ rpcauth_lookupcred(struct rpc_auth *auth
- struct auth_cred acred = {
- .uid = current->fsuid,
- .gid = current->fsgid,
-+ .tag = dx_current_tag(),
- .group_info = current->group_info,
- };
- struct rpc_cred *ret;
-@@ -398,6 +400,7 @@ rpcauth_bind_root_cred(struct rpc_task *
+@@ -630,6 +631,7 @@ rpcauth_lookupcred(struct rpc_auth *auth
+ memset(&acred, 0, sizeof(acred));
+ acred.uid = cred->fsuid;
+ acred.gid = cred->fsgid;
++ acred.tag = make_ktag(&init_user_ns, dx_current_tag());
+ acred.group_info = cred->group_info;
+ ret = auth->au_ops->lookup_cred(auth, &acred, flags);
+ return ret;
+@@ -669,6 +671,7 @@ rpcauth_bind_root_cred(struct rpc_task *
struct auth_cred acred = {
- .uid = 0,
- .gid = 0,
-+ .tag = dx_current_tag(),
+ .uid = GLOBAL_ROOT_UID,
+ .gid = GLOBAL_ROOT_GID,
++ .tag = KTAGT_INIT(dx_current_tag()),
};
- struct rpc_cred *ret;
-diff -NurpP --minimal linux-2.6.27.33/net/sunrpc/auth_unix.c linux-2.6.27.33-vs2.3.0.36.6/net/sunrpc/auth_unix.c
---- linux-2.6.27.33/net/sunrpc/auth_unix.c 2008-10-13 14:52:09.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/sunrpc/auth_unix.c 2008-10-13 14:54:20.000000000 +0200
-@@ -11,12 +11,14 @@
- #include <linux/module.h>
+ dprintk("RPC: %5u looking up %s cred\n",
+diff -NurpP --minimal linux-3.18.5/net/sunrpc/auth_unix.c linux-3.18.5-vs2.3.7.3/net/sunrpc/auth_unix.c
+--- linux-3.18.5/net/sunrpc/auth_unix.c 2013-11-25 15:47:08.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/sunrpc/auth_unix.c 2015-01-19 10:58:32.000000000 +0000
+@@ -13,11 +13,13 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/auth.h>
+ #include <linux/user_namespace.h>
+#include <linux/vs_tag.h>
#define NFS_NGROUPS 16
struct unx_cred {
struct rpc_cred uc_base;
- gid_t uc_gid;
-+ tag_t uc_tag;
- gid_t uc_gids[NFS_NGROUPS];
++ ktag_t uc_tag;
+ kgid_t uc_gid;
+ kgid_t uc_gids[NFS_NGROUPS];
};
- #define uc_uid uc_base.cr_uid
-@@ -78,6 +80,7 @@ unx_create_cred(struct rpc_auth *auth, s
+@@ -80,6 +82,7 @@ unx_create_cred(struct rpc_auth *auth, s
groups = NFS_NGROUPS;
cred->uc_gid = acred->gid;
for (i = 0; i < groups; i++)
cred->uc_gids[i] = GROUP_AT(acred->group_info, i);
if (i < NFS_NGROUPS)
-@@ -119,7 +122,9 @@ unx_match(struct auth_cred *acred, struc
+@@ -121,7 +124,9 @@ unx_match(struct auth_cred *acred, struc
unsigned int i;
-- if (cred->uc_uid != acred->uid || cred->uc_gid != acred->gid)
-+ if (cred->uc_uid != acred->uid ||
-+ cred->uc_gid != acred->gid ||
-+ cred->uc_tag != acred->tag)
+- if (!uid_eq(cred->uc_uid, acred->uid) || !gid_eq(cred->uc_gid, acred->gid))
++ if (!uid_eq(cred->uc_uid, acred->uid) ||
++ !gid_eq(cred->uc_gid, acred->gid) ||
++ !tag_eq(cred->uc_tag, acred->tag))
return 0;
if (acred->group_info != NULL)
-@@ -142,7 +147,7 @@ unx_marshal(struct rpc_task *task, __be3
+@@ -146,7 +151,7 @@ unx_marshal(struct rpc_task *task, __be3
struct rpc_clnt *clnt = task->tk_client;
- struct unx_cred *cred = container_of(task->tk_msg.rpc_cred, struct unx_cred, uc_base);
+ struct unx_cred *cred = container_of(task->tk_rqstp->rq_cred, struct unx_cred, uc_base);
__be32 *base, *hold;
- int i;
+ int i, tag;
*p++ = htonl(RPC_AUTH_UNIX);
base = p++;
-@@ -152,9 +157,12 @@ unx_marshal(struct rpc_task *task, __be3
- * Copy the UTS nodename captured when the client was created.
+@@ -157,8 +162,11 @@ unx_marshal(struct rpc_task *task, __be3
*/
p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen);
-+ tag = task->tk_client->cl_tag;
-- *p++ = htonl((u32) cred->uc_uid);
-- *p++ = htonl((u32) cred->uc_gid);
-+ *p++ = htonl((u32) TAGINO_UID(tag,
-+ cred->uc_uid, cred->uc_tag));
-+ *p++ = htonl((u32) TAGINO_GID(tag,
-+ cred->uc_gid, cred->uc_tag));
+- *p++ = htonl((u32) from_kuid(&init_user_ns, cred->uc_uid));
+- *p++ = htonl((u32) from_kgid(&init_user_ns, cred->uc_gid));
++ tag = task->tk_client->cl_tag;
++ *p++ = htonl((u32) from_kuid(&init_user_ns,
++ TAGINO_KUID(tag, cred->uc_uid, cred->uc_tag)));
++ *p++ = htonl((u32) from_kgid(&init_user_ns,
++ TAGINO_KGID(tag, cred->uc_gid, cred->uc_tag)));
hold = p++;
- for (i = 0; i < 16 && cred->uc_gids[i] != (gid_t) NOGROUP; i++)
- *p++ = htonl((u32) cred->uc_gids[i]);
-diff -NurpP --minimal linux-2.6.27.33/net/sunrpc/clnt.c linux-2.6.27.33-vs2.3.0.36.6/net/sunrpc/clnt.c
---- linux-2.6.27.33/net/sunrpc/clnt.c 2009-09-13 16:17:02.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/sunrpc/clnt.c 2009-09-13 16:19:24.000000000 +0200
-@@ -32,6 +32,7 @@
- #include <linux/utsname.h>
- #include <linux/workqueue.h>
+ for (i = 0; i < 16 && gid_valid(cred->uc_gids[i]); i++)
+ *p++ = htonl((u32) from_kgid(&init_user_ns, cred->uc_gids[i]));
+diff -NurpP --minimal linux-3.18.5/net/sunrpc/clnt.c linux-3.18.5-vs2.3.7.3/net/sunrpc/clnt.c
+--- linux-3.18.5/net/sunrpc/clnt.c 2015-01-17 02:40:30.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/sunrpc/clnt.c 2015-01-19 10:58:32.000000000 +0000
+@@ -31,6 +31,7 @@
+ #include <linux/in.h>
#include <linux/in6.h>
+ #include <linux/un.h>
+#include <linux/vs_cvirt.h>
#include <linux/sunrpc/clnt.h>
- #include <linux/sunrpc/rpc_pipe_fs.h>
-@@ -327,6 +328,9 @@ struct rpc_clnt *rpc_create(struct rpc_c
+ #include <linux/sunrpc/addr.h>
+@@ -468,6 +469,9 @@ struct rpc_clnt *rpc_create_xprt(struct
if (!(args->flags & RPC_CLNT_CREATE_QUIET))
clnt->cl_chatty = 1;
+ clnt->cl_tag = 1; */
return clnt;
}
- EXPORT_SYMBOL_GPL(rpc_create);
-diff -NurpP --minimal linux-2.6.27.33/net/unix/af_unix.c linux-2.6.27.33-vs2.3.0.36.6/net/unix/af_unix.c
---- linux-2.6.27.33/net/unix/af_unix.c 2009-09-13 16:17:02.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/unix/af_unix.c 2009-02-03 17:59:04.000000000 +0100
-@@ -114,6 +114,8 @@
- #include <linux/mount.h>
+ EXPORT_SYMBOL_GPL(rpc_create_xprt);
+diff -NurpP --minimal linux-3.18.5/net/unix/af_unix.c linux-3.18.5-vs2.3.7.3/net/unix/af_unix.c
+--- linux-3.18.5/net/unix/af_unix.c 2014-09-03 13:19:49.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/net/unix/af_unix.c 2015-01-19 10:58:32.000000000 +0000
+@@ -117,6 +117,8 @@
#include <net/checksum.h>
#include <linux/security.h>
+ #include <linux/freezer.h>
+#include <linux/vs_context.h>
+#include <linux/vs_limit.h>
- static struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
- static DEFINE_SPINLOCK(unix_table_lock);
-@@ -258,6 +260,8 @@ static struct sock *__unix_find_socket_b
+ struct hlist_head unix_socket_table[2 * UNIX_HASH_SIZE];
+ EXPORT_SYMBOL_GPL(unix_socket_table);
+@@ -272,6 +274,8 @@ static struct sock *__unix_find_socket_b
if (!net_eq(sock_net(s), net))
continue;
if (u->addr->len == len &&
!memcmp(u->addr->name, sunname, len))
goto found;
-@@ -2103,6 +2107,8 @@ static struct sock *unix_seq_idx(struct
- for (s = first_unix_socket(&iter->i); s; s = next_unix_socket(&iter->i, s)) {
- if (sock_net(s) != seq_file_net(seq))
+@@ -2283,6 +2287,8 @@ static struct sock *unix_from_bucket(str
+ for (sk = sk_head(&unix_socket_table[bucket]); sk; sk = sk_next(sk)) {
+ if (sock_net(sk) != seq_file_net(seq))
continue;
-+ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ continue;
- if (off == pos)
- return s;
- ++off;
-@@ -2128,7 +2134,8 @@ static void *unix_seq_next(struct seq_fi
- sk = first_unix_socket(&iter->i);
- else
- sk = next_unix_socket(&iter->i, sk);
-- while (sk && (sock_net(sk) != seq_file_net(seq)))
-+ while (sk && (sock_net(sk) != seq_file_net(seq) ||
-+ !nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT)))
- sk = next_unix_socket(&iter->i, sk);
- return sk;
- }
-diff -NurpP --minimal linux-2.6.27.33/net/x25/af_x25.c linux-2.6.27.33-vs2.3.0.36.6/net/x25/af_x25.c
---- linux-2.6.27.33/net/x25/af_x25.c 2009-09-13 16:17:02.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/net/x25/af_x25.c 2009-08-01 01:45:51.000000000 +0200
-@@ -519,7 +519,10 @@ static int x25_create(struct net *net, s
-
- x25 = x25_sk(sk);
-
-- sock_init_data(sock, sk);
-+ sk->sk_socket = sock;
-+ sk->sk_type = sock->type;
-+ sk->sk_sleep = &sock->wait;
-+ sock->sk = sk;
-
- x25_init_timers(sk);
-
-diff -NurpP --minimal linux-2.6.27.33/scripts/checksyscalls.sh linux-2.6.27.33-vs2.3.0.36.6/scripts/checksyscalls.sh
---- linux-2.6.27.33/scripts/checksyscalls.sh 2008-07-13 23:51:29.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/scripts/checksyscalls.sh 2008-10-13 14:54:20.000000000 +0200
-@@ -108,7 +108,6 @@ cat << EOF
+ if (++count == offset)
+ break;
+ }
+@@ -2300,6 +2306,8 @@ static struct sock *unix_next_socket(str
+ sk = sk_next(sk);
+ if (!sk)
+ goto next_bucket;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sock_net(sk) == seq_file_net(seq))
+ return sk;
+ }
+diff -NurpP --minimal linux-3.18.5/scripts/checksyscalls.sh linux-3.18.5-vs2.3.7.3/scripts/checksyscalls.sh
+--- linux-3.18.5/scripts/checksyscalls.sh 2014-06-12 13:03:01.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/scripts/checksyscalls.sh 2015-01-19 10:58:32.000000000 +0000
+@@ -196,7 +196,6 @@ cat << EOF
#define __IGNORE_afs_syscall
#define __IGNORE_getpmsg
#define __IGNORE_putpmsg
EOF
}
-diff -NurpP --minimal linux-2.6.27.33/security/commoncap.c linux-2.6.27.33-vs2.3.0.36.6/security/commoncap.c
---- linux-2.6.27.33/security/commoncap.c 2009-09-13 16:17:02.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/security/commoncap.c 2009-03-09 15:36:36.000000000 +0100
-@@ -26,10 +26,11 @@
- #include <linux/sched.h>
- #include <linux/prctl.h>
- #include <linux/securebits.h>
-+#include <linux/vs_context.h>
-
- int cap_netlink_send(struct sock *sk, struct sk_buff *skb)
+diff -NurpP --minimal linux-3.18.5/security/commoncap.c linux-3.18.5-vs2.3.7.3/security/commoncap.c
+--- linux-3.18.5/security/commoncap.c 2015-01-16 22:19:32.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/security/commoncap.c 2015-01-19 10:58:32.000000000 +0000
+@@ -76,6 +76,7 @@ int cap_netlink_send(struct sock *sk, st
+ int cap_capable(const struct cred *cred, struct user_namespace *targ_ns,
+ int cap, int audit)
{
-- NETLINK_CB(skb).eff_cap = current->cap_effective;
-+ NETLINK_CB(skb).eff_cap = vx_mbcaps(current->cap_effective);
- return 0;
- }
++ struct vx_info *vxi = current_vx_info(); /* FIXME: get vxi from cred? */
+ struct user_namespace *ns = targ_ns;
-@@ -50,9 +51,24 @@ EXPORT_SYMBOL(cap_netlink_recv);
- */
- int cap_capable (struct task_struct *tsk, int cap)
- {
-+ struct vx_info *vxi = tsk->vx_info;
-+
-+#if 0
-+ printk("cap_capable() VXF_STATE_SETUP = %llx, raised = %x, eff = %08x:%08x\n",
-+ vx_info_flags(vxi, VXF_STATE_SETUP, 0),
-+ cap_raised(tsk->cap_effective, cap),
-+ tsk->cap_effective.cap[1], tsk->cap_effective.cap[0]);
-+#endif
-+
-+ /* special case SETUP */
-+ if (vx_info_flags(vxi, VXF_STATE_SETUP, 0) &&
-+ cap_raised(tsk->cap_effective, cap))
-+ return 0;
-+
- /* Derived from include/linux/sched.h:capable. */
-- if (cap_raised(tsk->cap_effective, cap))
-+ if (vx_cap_raised(vxi, tsk->cap_effective, cap))
- return 0;
-+
- return -EPERM;
- }
+ /* See if cred has the capability in the target user namespace
+@@ -84,8 +85,12 @@ int cap_capable(const struct cred *cred,
+ */
+ for (;;) {
+ /* Do we have the necessary capabilities? */
+- if (ns == cred->user_ns)
+- return cap_raised(cred->cap_effective, cap) ? 0 : -EPERM;
++ if (ns == cred->user_ns) {
++ if (vx_info_flags(vxi, VXF_STATE_SETUP, 0) &&
++ cap_raised(cred->cap_effective, cap))
++ return 0;
++ return vx_cap_raised(vxi, cred->cap_effective, cap) ? 0 : -EPERM;
++ }
-@@ -420,7 +436,7 @@ int cap_inode_setxattr(struct dentry *de
- return 0;
- } else if (!strncmp(name, XATTR_SECURITY_PREFIX,
- sizeof(XATTR_SECURITY_PREFIX) - 1) &&
+ /* Have we tried all of the parent namespaces? */
+ if (ns == &init_user_ns)
+@@ -631,7 +636,7 @@ int cap_inode_setxattr(struct dentry *de
+
+ if (!strncmp(name, XATTR_SECURITY_PREFIX,
+ sizeof(XATTR_SECURITY_PREFIX) - 1) &&
- !capable(CAP_SYS_ADMIN))
+ !vx_capable(CAP_SYS_ADMIN, VXC_FS_SECURITY))
return -EPERM;
return 0;
}
-@@ -696,7 +712,8 @@ void cap_task_reparent_to_init (struct t
+@@ -657,7 +662,7 @@ int cap_inode_removexattr(struct dentry
- int cap_syslog (int type)
- {
-- if ((type != 3 && type != 10) && !capable(CAP_SYS_ADMIN))
-+ if ((type != 3 && type != 10) &&
-+ !vx_capable(CAP_SYS_ADMIN, VXC_SYSLOG))
+ if (!strncmp(name, XATTR_SECURITY_PREFIX,
+ sizeof(XATTR_SECURITY_PREFIX) - 1) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_FS_SECURITY))
return -EPERM;
return 0;
}
-diff -NurpP --minimal linux-2.6.27.33/security/selinux/hooks.c linux-2.6.27.33-vs2.3.0.36.6/security/selinux/hooks.c
---- linux-2.6.27.33/security/selinux/hooks.c 2009-09-13 16:17:02.000000000 +0200
-+++ linux-2.6.27.33-vs2.3.0.36.6/security/selinux/hooks.c 2009-06-15 17:22:10.000000000 +0200
-@@ -64,7 +64,6 @@
+diff -NurpP --minimal linux-3.18.5/security/selinux/hooks.c linux-3.18.5-vs2.3.7.3/security/selinux/hooks.c
+--- linux-3.18.5/security/selinux/hooks.c 2015-01-17 02:40:31.000000000 +0000
++++ linux-3.18.5-vs2.3.7.3/security/selinux/hooks.c 2015-01-19 10:58:32.000000000 +0000
+@@ -68,7 +68,6 @@
#include <linux/dccp.h>
#include <linux/quota.h>
#include <linux/un.h> /* for Unix socket types */