-diff -NurpP --minimal linux-2.6.37/arch/alpha/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/Kconfig
---- linux-2.6.37/arch/alpha/Kconfig 2011-01-05 21:48:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -677,6 +677,8 @@ config DUMMY_CONSOLE
+diff -NurpP --minimal linux-4.4.111/Documentation/vserver/debug.txt linux-4.4.111-vs2.3.9.5/Documentation/vserver/debug.txt
+--- linux-4.4.111/Documentation/vserver/debug.txt 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/Documentation/vserver/debug.txt 2018-01-09 16:36:20.000000000 +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-4.4.111/arch/alpha/Kconfig linux-4.4.111-vs2.3.9.5/arch/alpha/Kconfig
+--- linux-4.4.111/arch/alpha/Kconfig 2016-07-05 04:11:34.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/alpha/Kconfig 2018-01-09 16:36:20.000000000 +0000
+@@ -745,6 +745,8 @@ config DUMMY_CONSOLE
depends on VGA_HOSE
default y
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/alpha/kernel/entry.S linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/kernel/entry.S
---- linux-2.6.37/arch/alpha/kernel/entry.S 2010-10-21 13:06:45.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/kernel/entry.S 2010-11-23 02:09:40.000000000 +0100
-@@ -860,24 +860,15 @@ 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-2.6.37/arch/alpha/kernel/ptrace.c linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/kernel/ptrace.c
---- linux-2.6.37/arch/alpha/kernel/ptrace.c 2011-01-05 21:48:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/kernel/ptrace.c 2010-11-23 02:09:40.000000000 +0100
-@@ -13,6 +13,7 @@
- #include <linux/user.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-2.6.37/arch/alpha/kernel/systbls.S linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/kernel/systbls.S
---- linux-2.6.37/arch/alpha/kernel/systbls.S 2010-10-21 13:06:46.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/kernel/systbls.S 2010-11-23 02:09:40.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/arch/alpha/kernel/systbls.S linux-4.4.111-vs2.3.9.5/arch/alpha/kernel/systbls.S
+--- linux-4.4.111/arch/alpha/kernel/systbls.S 2015-07-06 20:41:36.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/alpha/kernel/systbls.S 2018-01-09 16:36:20.000000000 +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-2.6.37/arch/alpha/kernel/traps.c linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/kernel/traps.c
---- linux-2.6.37/arch/alpha/kernel/traps.c 2010-10-21 13:06:46.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/alpha/kernel/traps.c 2010-11-23 02:09:40.000000000 +0100
-@@ -183,7 +183,8 @@ die_if_kernel(char * str, struct pt_regs
+diff -NurpP --minimal linux-4.4.111/arch/alpha/kernel/traps.c linux-4.4.111-vs2.3.9.5/arch/alpha/kernel/traps.c
+--- linux-4.4.111/arch/alpha/kernel/traps.c 2015-07-06 20:41:36.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/alpha/kernel/traps.c 2018-01-09 16:36:20.000000000 +0000
+@@ -174,7 +174,8 @@ 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-2.6.37/arch/arm/include/asm/tlb.h linux-2.6.37-vs2.3.0.37-rc3/arch/arm/include/asm/tlb.h
---- linux-2.6.37/arch/arm/include/asm/tlb.h 2009-09-10 15:25:15.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/arm/include/asm/tlb.h 2010-11-23 02:09:40.000000000 +0100
-@@ -27,6 +27,7 @@
-
- #else /* !CONFIG_MMU */
-
-+#include <linux/vs_memory.h>
- #include <asm/pgalloc.h>
-
- /*
-diff -NurpP --minimal linux-2.6.37/arch/arm/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/arm/Kconfig
---- linux-2.6.37/arch/arm/Kconfig 2011-01-05 21:48:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/arm/Kconfig 2011-01-05 22:30:25.000000000 +0100
-@@ -1854,6 +1854,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/arm/Kconfig linux-4.4.111-vs2.3.9.5/arch/arm/Kconfig
+--- linux-4.4.111/arch/arm/Kconfig 2016-07-05 04:14:23.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/arm/Kconfig 2018-01-09 16:36:20.000000000 +0000
+@@ -2159,6 +2159,8 @@ source "fs/Kconfig"
source "arch/arm/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/arm/kernel/calls.S linux-2.6.37-vs2.3.0.37-rc3/arch/arm/kernel/calls.S
---- linux-2.6.37/arch/arm/kernel/calls.S 2010-10-21 13:06:46.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/arm/kernel/calls.S 2010-11-23 02:09:40.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/arch/arm/kernel/calls.S linux-4.4.111-vs2.3.9.5/arch/arm/kernel/calls.S
+--- linux-4.4.111/arch/arm/kernel/calls.S 2016-07-05 04:14:26.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/arm/kernel/calls.S 2018-01-09 16:36:20.000000000 +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-2.6.37/arch/arm/kernel/process.c linux-2.6.37-vs2.3.0.37-rc3/arch/arm/kernel/process.c
---- linux-2.6.37/arch/arm/kernel/process.c 2011-01-05 21:48:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/arm/kernel/process.c 2010-11-23 02:09:40.000000000 +0100
-@@ -315,7 +315,8 @@ 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-2.6.37/arch/arm/kernel/traps.c linux-2.6.37-vs2.3.0.37-rc3/arch/arm/kernel/traps.c
---- linux-2.6.37/arch/arm/kernel/traps.c 2011-01-05 21:48:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/arm/kernel/traps.c 2010-11-23 02:09:40.000000000 +0100
-@@ -241,8 +241,8 @@ static int __die(const char *str, int er
+diff -NurpP --minimal linux-4.4.111/arch/arm/kernel/traps.c linux-4.4.111-vs2.3.9.5/arch/arm/kernel/traps.c
+--- linux-4.4.111/arch/arm/kernel/traps.c 2018-01-11 07:57:02.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/arm/kernel/traps.c 2018-01-09 16:36:20.000000000 +0000
+@@ -258,8 +258,8 @@ static int __die(const char *str, int er
print_modules();
__show_regs(regs);
-- printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
-- TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), thread + 1);
-+ printk(KERN_EMERG "Process %.*s (pid: %d:#%u, stack limit = 0x%p)\n",
-+ TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), tsk->xid, thread + 1);
+- pr_emerg("Process %.*s (pid: %d, stack limit = 0x%p)\n",
+- TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
++ pr_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(KERN_EMERG, "Stack: ", regs->ARM_sp,
-diff -NurpP --minimal linux-2.6.37/arch/cris/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/cris/Kconfig
---- linux-2.6.37/arch/cris/Kconfig 2011-01-05 21:48:58.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/cris/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -687,6 +687,8 @@ source "drivers/staging/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/cris/Kconfig linux-4.4.111-vs2.3.9.5/arch/cris/Kconfig
+--- linux-4.4.111/arch/cris/Kconfig 2016-07-05 04:14:27.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/cris/Kconfig 2018-01-09 16:36:20.000000000 +0000
+@@ -581,6 +581,8 @@ source "fs/Kconfig"
source "arch/cris/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/frv/kernel/kernel_thread.S linux-2.6.37-vs2.3.0.37-rc3/arch/frv/kernel/kernel_thread.S
---- linux-2.6.37/arch/frv/kernel/kernel_thread.S 2008-12-25 00:26:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/frv/kernel/kernel_thread.S 2010-11-23 02:09:40.000000000 +0100
-@@ -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-2.6.37/arch/h8300/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/h8300/Kconfig
---- linux-2.6.37/arch/h8300/Kconfig 2011-01-05 21:48:59.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/h8300/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -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-2.6.37/arch/ia64/include/asm/tlb.h linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/include/asm/tlb.h
---- linux-2.6.37/arch/ia64/include/asm/tlb.h 2010-02-25 11:51:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/include/asm/tlb.h 2010-11-23 02:09:40.000000000 +0100
-@@ -40,6 +40,7 @@
- #include <linux/mm.h>
- #include <linux/pagemap.h>
- #include <linux/swap.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/pgalloc.h>
- #include <asm/processor.h>
-diff -NurpP --minimal linux-2.6.37/arch/ia64/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/Kconfig
---- linux-2.6.37/arch/ia64/Kconfig 2011-01-05 21:48:59.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -670,6 +670,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/ia64/Kconfig linux-4.4.111-vs2.3.9.5/arch/ia64/Kconfig
+--- linux-4.4.111/arch/ia64/Kconfig 2016-07-05 04:11:39.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/ia64/Kconfig 2018-01-09 16:36:21.000000000 +0000
+@@ -606,6 +606,8 @@ source "fs/Kconfig"
source "arch/ia64/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/ia64/kernel/entry.S linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/entry.S
---- linux-2.6.37/arch/ia64/kernel/entry.S 2010-10-21 13:06:52.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/entry.S 2010-11-23 02:09:40.000000000 +0100
-@@ -1714,7 +1714,7 @@ sys_call_table:
+diff -NurpP --minimal linux-4.4.111/arch/ia64/kernel/entry.S linux-4.4.111-vs2.3.9.5/arch/ia64/kernel/entry.S
+--- linux-4.4.111/arch/ia64/kernel/entry.S 2016-07-05 04:14:27.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/ia64/kernel/entry.S 2018-01-09 16:36:21.000000000 +0000
+@@ -1694,7 +1694,7 @@ 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-2.6.37/arch/ia64/kernel/perfmon.c linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/perfmon.c
---- linux-2.6.37/arch/ia64/kernel/perfmon.c 2011-01-05 21:48:59.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/perfmon.c 2010-11-23 02:09:40.000000000 +0100
-@@ -42,6 +42,7 @@
- #include <linux/completion.h>
- #include <linux/tracehook.h>
- #include <linux/slab.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/errno.h>
- #include <asm/intrinsics.h>
-diff -NurpP --minimal linux-2.6.37/arch/ia64/kernel/process.c linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/process.c
---- linux-2.6.37/arch/ia64/kernel/process.c 2010-10-21 13:06:52.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/process.c 2010-11-23 02:09:40.000000000 +0100
-@@ -113,8 +113,8 @@ 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-2.6.37/arch/ia64/kernel/ptrace.c linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/ptrace.c
---- linux-2.6.37/arch/ia64/kernel/ptrace.c 2011-01-05 21:48:59.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/ptrace.c 2010-11-23 02:09:40.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/arch/ia64/kernel/ptrace.c linux-4.4.111-vs2.3.9.5/arch/ia64/kernel/ptrace.c
+--- linux-4.4.111/arch/ia64/kernel/ptrace.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/ia64/kernel/ptrace.c 2018-01-09 16:36:21.000000000 +0000
@@ -21,6 +21,7 @@
#include <linux/regset.h>
#include <linux/elf.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
-diff -NurpP --minimal linux-2.6.37/arch/ia64/kernel/traps.c linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/traps.c
---- linux-2.6.37/arch/ia64/kernel/traps.c 2010-07-07 18:31:01.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/kernel/traps.c 2010-11-23 02:09:40.000000000 +0100
-@@ -59,8 +59,9 @@ die (const char *str, struct pt_regs *re
+diff -NurpP --minimal linux-4.4.111/arch/ia64/kernel/traps.c linux-4.4.111-vs2.3.9.5/arch/ia64/kernel/traps.c
+--- linux-4.4.111/arch/ia64/kernel/traps.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/ia64/kernel/traps.c 2018-01-09 16:36:21.000000000 +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)
!= NOTIFY_STOP)
show_regs(regs);
-@@ -323,8 +324,9 @@ handle_fpu_swa (int fp_fault, struct pt_
+@@ -324,8 +325,9 @@ handle_fpu_swa (int fp_fault, struct pt_
if ((last.count & 15) < 5 && (ia64_fetchadd(1, &last.count, acq) & 15) < 5) {
last.time = current_jiffies + 5 * HZ;
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-2.6.37/arch/ia64/mm/fault.c linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/mm/fault.c
---- linux-2.6.37/arch/ia64/mm/fault.c 2010-08-02 16:52:04.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/ia64/mm/fault.c 2010-11-23 02:09:40.000000000 +0100
-@@ -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-2.6.37/arch/m32r/kernel/traps.c linux-2.6.37-vs2.3.0.37-rc3/arch/m32r/kernel/traps.c
---- linux-2.6.37/arch/m32r/kernel/traps.c 2009-12-03 20:01:57.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/m32r/kernel/traps.c 2010-11-23 02:09:40.000000000 +0100
-@@ -196,8 +196,9 @@ static void show_registers(struct pt_reg
+diff -NurpP --minimal linux-4.4.111/arch/m32r/kernel/traps.c linux-4.4.111-vs2.3.9.5/arch/m32r/kernel/traps.c
+--- linux-4.4.111/arch/m32r/kernel/traps.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/m32r/kernel/traps.c 2018-01-09 16:36:21.000000000 +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-2.6.37/arch/m68k/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/m68k/Kconfig
---- linux-2.6.37/arch/m68k/Kconfig 2011-01-05 21:49:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/m68k/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -610,6 +610,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/m68k/Kconfig linux-4.4.111-vs2.3.9.5/arch/m68k/Kconfig
+--- linux-4.4.111/arch/m68k/Kconfig 2016-07-05 04:11:39.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/m68k/Kconfig 2018-01-09 16:36:21.000000000 +0000
+@@ -164,6 +164,8 @@ source "fs/Kconfig"
source "arch/m68k/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/m68k/kernel/ptrace.c linux-2.6.37-vs2.3.0.37-rc3/arch/m68k/kernel/ptrace.c
---- linux-2.6.37/arch/m68k/kernel/ptrace.c 2011-01-05 21:49:01.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/m68k/kernel/ptrace.c 2010-11-23 02:09:40.000000000 +0100
-@@ -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>
-@@ -255,6 +256,8 @@ 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-2.6.37/arch/m68k/kernel/traps.c linux-2.6.37-vs2.3.0.37-rc3/arch/m68k/kernel/traps.c
---- linux-2.6.37/arch/m68k/kernel/traps.c 2010-08-02 16:52:04.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/m68k/kernel/traps.c 2010-11-23 02:09:40.000000000 +0100
-@@ -906,8 +906,8 @@ 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-2.6.37/arch/m68knommu/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/m68knommu/Kconfig
---- linux-2.6.37/arch/m68knommu/Kconfig 2011-01-05 21:49:01.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/m68knommu/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -732,6 +732,8 @@ source "fs/Kconfig"
-
- source "arch/m68knommu/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/m68knommu/kernel/traps.c linux-2.6.37-vs2.3.0.37-rc3/arch/m68knommu/kernel/traps.c
---- linux-2.6.37/arch/m68knommu/kernel/traps.c 2011-01-05 21:49:01.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/m68knommu/kernel/traps.c 2010-11-23 02:09:40.000000000 +0100
-@@ -78,8 +78,9 @@ 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-2.6.37/arch/mips/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/mips/Kconfig
---- linux-2.6.37/arch/mips/Kconfig 2011-01-05 21:49:03.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/mips/Kconfig 2011-01-05 22:30:26.000000000 +0100
-@@ -2396,6 +2396,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/mips/Kconfig linux-4.4.111-vs2.3.9.5/arch/mips/Kconfig
+--- linux-4.4.111/arch/mips/Kconfig 2018-01-11 07:57:04.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/mips/Kconfig 2018-01-09 16:36:21.000000000 +0000
+@@ -3026,6 +3026,8 @@ source "fs/Kconfig"
source "arch/mips/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/mips/kernel/ptrace.c linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/ptrace.c
---- linux-2.6.37/arch/mips/kernel/ptrace.c 2011-01-05 21:49:06.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/ptrace.c 2010-11-23 02:09:40.000000000 +0100
-@@ -25,6 +25,7 @@
- #include <linux/security.h>
+diff -NurpP --minimal linux-4.4.111/arch/mips/kernel/ptrace.c linux-4.4.111-vs2.3.9.5/arch/mips/kernel/ptrace.c
+--- linux-4.4.111/arch/mips/kernel/ptrace.c 2018-01-11 07:57:05.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/mips/kernel/ptrace.c 2018-01-09 16:36:21.000000000 +0000
+@@ -30,6 +30,7 @@
#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>
-@@ -263,6 +264,9 @@ long arch_ptrace(struct task_struct *chi
+@@ -690,6 +691,9 @@ long arch_ptrace(struct task_struct *chi
void __user *datavp = (void __user *) data;
unsigned long __user *datalp = (void __user *) data;
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-2.6.37/arch/mips/kernel/scall32-o32.S linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/scall32-o32.S
---- linux-2.6.37/arch/mips/kernel/scall32-o32.S 2010-10-21 13:06:54.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/scall32-o32.S 2010-11-23 02:09:40.000000000 +0100
-@@ -524,7 +524,7 @@ einval: li v0, -ENOSYS
- 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-2.6.37/arch/mips/kernel/scall64-64.S linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/scall64-64.S
---- linux-2.6.37/arch/mips/kernel/scall64-64.S 2010-10-21 13:06:54.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/scall64-64.S 2010-11-23 02:09:40.000000000 +0100
-@@ -363,7 +363,7 @@ sys_call_table:
+diff -NurpP --minimal linux-4.4.111/arch/mips/kernel/scall32-o32.S linux-4.4.111-vs2.3.9.5/arch/mips/kernel/scall32-o32.S
+--- linux-4.4.111/arch/mips/kernel/scall32-o32.S 2018-01-11 07:57:05.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/mips/kernel/scall32-o32.S 2018-01-09 16:36:21.000000000 +0000
+@@ -512,7 +512,7 @@ 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-4.4.111/arch/mips/kernel/scall64-64.S linux-4.4.111-vs2.3.9.5/arch/mips/kernel/scall64-64.S
+--- linux-4.4.111/arch/mips/kernel/scall64-64.S 2018-01-11 07:57:05.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/mips/kernel/scall64-64.S 2018-01-09 16:36:21.000000000 +0000
+@@ -349,7 +349,7 @@ 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-2.6.37/arch/mips/kernel/scall64-n32.S linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/scall64-n32.S
---- linux-2.6.37/arch/mips/kernel/scall64-n32.S 2010-10-21 13:06:54.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/scall64-n32.S 2010-11-23 02:09:40.000000000 +0100
-@@ -362,7 +362,7 @@ EXPORT(sysn32_call_table)
+diff -NurpP --minimal linux-4.4.111/arch/mips/kernel/scall64-n32.S linux-4.4.111-vs2.3.9.5/arch/mips/kernel/scall64-n32.S
+--- linux-4.4.111/arch/mips/kernel/scall64-n32.S 2018-01-11 07:57:05.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/mips/kernel/scall64-n32.S 2018-01-09 16:36:21.000000000 +0000
+@@ -339,7 +339,7 @@ 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-2.6.37/arch/mips/kernel/scall64-o32.S linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/scall64-o32.S
---- linux-2.6.37/arch/mips/kernel/scall64-o32.S 2010-10-21 13:06:54.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/scall64-o32.S 2010-11-23 02:09:40.000000000 +0100
-@@ -481,7 +481,7 @@ sys_call_table:
+diff -NurpP --minimal linux-4.4.111/arch/mips/kernel/scall64-o32.S linux-4.4.111-vs2.3.9.5/arch/mips/kernel/scall64-o32.S
+--- linux-4.4.111/arch/mips/kernel/scall64-o32.S 2018-01-11 07:57:05.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/mips/kernel/scall64-o32.S 2018-01-09 16:36:21.000000000 +0000
+@@ -495,7 +495,7 @@ 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-2.6.37/arch/mips/kernel/traps.c linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/traps.c
---- linux-2.6.37/arch/mips/kernel/traps.c 2011-01-05 21:49:06.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/mips/kernel/traps.c 2011-01-05 22:30:26.000000000 +0100
-@@ -343,9 +343,10 @@ void show_registers(struct pt_regs *regs
+diff -NurpP --minimal linux-4.4.111/arch/mips/kernel/traps.c linux-4.4.111-vs2.3.9.5/arch/mips/kernel/traps.c
+--- linux-4.4.111/arch/mips/kernel/traps.c 2018-01-11 07:57:05.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/mips/kernel/traps.c 2018-01-09 16:36:21.000000000 +0000
+@@ -353,9 +353,10 @@ void show_registers(struct pt_regs *regs
__show_regs(regs);
print_modules();
if (cpu_has_userlocal) {
unsigned long tls;
-diff -NurpP --minimal linux-2.6.37/arch/parisc/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/parisc/Kconfig
---- linux-2.6.37/arch/parisc/Kconfig 2011-01-05 21:49:08.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/parisc/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -293,6 +293,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/parisc/Kconfig linux-4.4.111-vs2.3.9.5/arch/parisc/Kconfig
+--- linux-4.4.111/arch/parisc/Kconfig 2016-07-05 04:14:29.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/parisc/Kconfig 2018-01-09 16:36:21.000000000 +0000
+@@ -341,6 +341,8 @@ config SECCOMP
- source "arch/parisc/Kconfig.debug"
+ If unsure, say Y. Only embedded should say N here.
+source "kernel/vserver/Kconfig"
+
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/parisc/kernel/syscall_table.S linux-2.6.37-vs2.3.0.37-rc3/arch/parisc/kernel/syscall_table.S
---- linux-2.6.37/arch/parisc/kernel/syscall_table.S 2011-01-05 21:49:09.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/parisc/kernel/syscall_table.S 2010-11-23 02:09:40.000000000 +0100
-@@ -361,7 +361,7 @@
+diff -NurpP --minimal linux-4.4.111/arch/parisc/kernel/syscall_table.S linux-4.4.111-vs2.3.9.5/arch/parisc/kernel/syscall_table.S
+--- linux-4.4.111/arch/parisc/kernel/syscall_table.S 2018-01-11 07:57:05.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/parisc/kernel/syscall_table.S 2018-01-09 16:36:21.000000000 +0000
+@@ -358,7 +358,7 @@
ENTRY_COMP(mbind) /* 260 */
ENTRY_COMP(get_mempolicy)
ENTRY_COMP(set_mempolicy)
+ ENTRY_DIFF(vserver)
ENTRY_SAME(add_key)
ENTRY_SAME(request_key) /* 265 */
- ENTRY_SAME(keyctl)
-diff -NurpP --minimal linux-2.6.37/arch/parisc/kernel/traps.c linux-2.6.37-vs2.3.0.37-rc3/arch/parisc/kernel/traps.c
---- linux-2.6.37/arch/parisc/kernel/traps.c 2009-09-10 15:25:40.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/parisc/kernel/traps.c 2010-11-23 02:09:40.000000000 +0100
-@@ -236,8 +236,9 @@ void die_if_kernel(char *str, struct pt_
- if (err == 0)
+ ENTRY_COMP(keyctl)
+diff -NurpP --minimal linux-4.4.111/arch/parisc/kernel/traps.c linux-4.4.111-vs2.3.9.5/arch/parisc/kernel/traps.c
+--- linux-4.4.111/arch/parisc/kernel/traps.c 2018-01-11 07:57:05.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/parisc/kernel/traps.c 2018-01-09 16:36:21.000000000 +0000
+@@ -235,8 +235,9 @@ 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);
-@@ -270,8 +271,8 @@ void die_if_kernel(char *str, struct pt_
+
+ return;
+ }
+@@ -266,8 +267,8 @@ 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-2.6.37/arch/parisc/mm/fault.c linux-2.6.37-vs2.3.0.37-rc3/arch/parisc/mm/fault.c
---- linux-2.6.37/arch/parisc/mm/fault.c 2010-08-02 16:52:06.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/parisc/mm/fault.c 2010-11-23 02:09:40.000000000 +0100
-@@ -237,8 +237,9 @@ 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);
-diff -NurpP --minimal linux-2.6.37/arch/powerpc/include/asm/unistd.h linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/include/asm/unistd.h
---- linux-2.6.37/arch/powerpc/include/asm/unistd.h 2011-01-05 21:49:10.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/include/asm/unistd.h 2010-11-23 02:09:40.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/arch/powerpc/Kconfig linux-4.4.111-vs2.3.9.5/arch/powerpc/Kconfig
+--- linux-4.4.111/arch/powerpc/Kconfig 2018-01-11 07:57:05.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/powerpc/Kconfig 2018-01-09 16:36:21.000000000 +0000
+@@ -1080,6 +1080,8 @@ source "lib/Kconfig"
+
+ source "arch/powerpc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/powerpc/include/uapi/asm/unistd.h linux-4.4.111-vs2.3.9.5/arch/powerpc/include/uapi/asm/unistd.h
+--- linux-4.4.111/arch/powerpc/include/uapi/asm/unistd.h 2016-07-05 04:14:29.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/powerpc/include/uapi/asm/unistd.h 2018-01-09 16:36:21.000000000 +0000
@@ -275,7 +275,7 @@
#endif
#define __NR_rtas 255
#define __NR_migrate_pages 258
#define __NR_mbind 259
#define __NR_get_mempolicy 260
-diff -NurpP --minimal linux-2.6.37/arch/powerpc/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/Kconfig
---- linux-2.6.37/arch/powerpc/Kconfig 2011-01-05 21:49:09.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -976,6 +976,8 @@ source "lib/Kconfig"
-
- source "arch/powerpc/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- config KEYS_COMPAT
-diff -NurpP --minimal linux-2.6.37/arch/powerpc/kernel/process.c linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/kernel/process.c
---- linux-2.6.37/arch/powerpc/kernel/process.c 2011-01-05 21:49:11.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/kernel/process.c 2010-11-23 02:09:40.000000000 +0100
-@@ -633,8 +633,9 @@ void show_regs(struct pt_regs * regs)
- #else
- printk("DAR: "REG", DSISR: "REG"\n", regs->dar, regs->dsisr);
- #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-2.6.37/arch/powerpc/kernel/traps.c linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/kernel/traps.c
---- linux-2.6.37/arch/powerpc/kernel/traps.c 2011-01-05 21:49:11.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/kernel/traps.c 2010-11-23 02:09:40.000000000 +0100
-@@ -1053,8 +1053,9 @@ void nonrecoverable_exception(struct pt_
+diff -NurpP --minimal linux-4.4.111/arch/powerpc/kernel/traps.c linux-4.4.111-vs2.3.9.5/arch/powerpc/kernel/traps.c
+--- linux-4.4.111/arch/powerpc/kernel/traps.c 2018-01-11 07:57:06.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/powerpc/kernel/traps.c 2018-01-09 16:36:21.000000000 +0000
+@@ -1315,8 +1315,9 @@ 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-2.6.37/arch/powerpc/kernel/vdso.c linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/kernel/vdso.c
---- linux-2.6.37/arch/powerpc/kernel/vdso.c 2011-01-05 21:49:11.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/powerpc/kernel/vdso.c 2010-11-23 02:09:40.000000000 +0100
-@@ -23,6 +23,7 @@
- #include <linux/security.h>
- #include <linux/bootmem.h>
- #include <linux/memblock.h>
-+#include <linux/vs_memory.h>
+diff -NurpP --minimal linux-4.4.111/arch/s390/Kconfig linux-4.4.111-vs2.3.9.5/arch/s390/Kconfig
+--- linux-4.4.111/arch/s390/Kconfig 2018-01-11 07:57:06.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/s390/Kconfig 2018-01-09 16:36:21.000000000 +0000
+@@ -729,6 +729,8 @@ source "fs/Kconfig"
- #include <asm/pgtable.h>
- #include <asm/system.h>
-diff -NurpP --minimal linux-2.6.37/arch/s390/include/asm/tlb.h linux-2.6.37-vs2.3.0.37-rc3/arch/s390/include/asm/tlb.h
---- linux-2.6.37/arch/s390/include/asm/tlb.h 2011-01-05 21:49:13.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/s390/include/asm/tlb.h 2010-11-23 02:09:40.000000000 +0100
-@@ -23,6 +23,8 @@
+ source "arch/s390/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/s390/include/asm/tlb.h linux-4.4.111-vs2.3.9.5/arch/s390/include/asm/tlb.h
+--- linux-4.4.111/arch/s390/include/asm/tlb.h 2015-07-06 20:41:37.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/s390/include/asm/tlb.h 2018-01-09 16:36:21.000000000 +0000
+@@ -24,6 +24,7 @@
#include <linux/mm.h>
+ #include <linux/pagemap.h>
#include <linux/swap.h>
-+#include <linux/vs_memory.h>
+
#include <asm/processor.h>
#include <asm/pgalloc.h>
- #include <asm/smp.h>
-diff -NurpP --minimal linux-2.6.37/arch/s390/include/asm/unistd.h linux-2.6.37-vs2.3.0.37-rc3/arch/s390/include/asm/unistd.h
---- linux-2.6.37/arch/s390/include/asm/unistd.h 2010-10-21 13:06:58.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/s390/include/asm/unistd.h 2010-11-23 02:09:40.000000000 +0100
-@@ -202,7 +202,7 @@
- #define __NR_clock_gettime (__NR_timer_create+6)
- #define __NR_clock_getres (__NR_timer_create+7)
- #define __NR_clock_nanosleep (__NR_timer_create+8)
+ #include <asm/tlbflush.h>
+diff -NurpP --minimal linux-4.4.111/arch/s390/include/uapi/asm/unistd.h linux-4.4.111-vs2.3.9.5/arch/s390/include/uapi/asm/unistd.h
+--- linux-4.4.111/arch/s390/include/uapi/asm/unistd.h 2016-07-05 04:14:30.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/s390/include/uapi/asm/unistd.h 2018-01-09 16:48:33.000000000 +0000
+@@ -200,7 +200,7 @@
+ #define __NR_clock_gettime 260
+ #define __NR_clock_getres 261
+ #define __NR_clock_nanosleep 262
-/* 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-2.6.37/arch/s390/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/s390/Kconfig
---- linux-2.6.37/arch/s390/Kconfig 2011-01-05 21:49:12.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/s390/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -640,6 +640,8 @@ source "fs/Kconfig"
-
- source "arch/s390/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/s390/kernel/ptrace.c linux-2.6.37-vs2.3.0.37-rc3/arch/s390/kernel/ptrace.c
---- linux-2.6.37/arch/s390/kernel/ptrace.c 2011-01-05 21:49:13.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/s390/kernel/ptrace.c 2010-11-23 02:09:40.000000000 +0100
-@@ -36,6 +36,7 @@
- #include <linux/regset.h>
+diff -NurpP --minimal linux-4.4.111/arch/s390/kernel/ptrace.c linux-4.4.111-vs2.3.9.5/arch/s390/kernel/ptrace.c
+--- linux-4.4.111/arch/s390/kernel/ptrace.c 2018-01-11 07:57:07.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/s390/kernel/ptrace.c 2018-01-09 16:36:21.000000000 +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/compat.h>
#include <asm/segment.h>
-diff -NurpP --minimal linux-2.6.37/arch/s390/kernel/syscalls.S linux-2.6.37-vs2.3.0.37-rc3/arch/s390/kernel/syscalls.S
---- linux-2.6.37/arch/s390/kernel/syscalls.S 2010-10-21 13:06:58.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/s390/kernel/syscalls.S 2010-11-23 02:09:40.000000000 +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 */
+ #include <asm/page.h>
+diff -NurpP --minimal linux-4.4.111/arch/s390/kernel/syscalls.S linux-4.4.111-vs2.3.9.5/arch/s390/kernel/syscalls.S
+--- linux-4.4.111/arch/s390/kernel/syscalls.S 2018-01-11 07:57:07.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/s390/kernel/syscalls.S 2018-01-09 16:36:21.000000000 +0000
+@@ -271,7 +271,7 @@ SYSCALL(sys_clock_settime,compat_sys_clo
+ SYSCALL(sys_clock_gettime,compat_sys_clock_gettime) /* 260 */
+ SYSCALL(sys_clock_getres,compat_sys_clock_getres)
+ SYSCALL(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-2.6.37/arch/sh/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/sh/Kconfig
---- linux-2.6.37/arch/sh/Kconfig 2011-01-05 21:49:13.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/sh/Kconfig 2011-01-05 22:30:27.000000000 +0100
+ SYSCALL(sys_ni_syscall,compat_sys_s390_fadvise64_64)
+ SYSCALL(sys_statfs64,compat_sys_statfs64)
+ SYSCALL(sys_fstatfs64,compat_sys_fstatfs64)
+diff -NurpP --minimal linux-4.4.111/arch/sh/Kconfig linux-4.4.111-vs2.3.9.5/arch/sh/Kconfig
+--- linux-4.4.111/arch/sh/Kconfig 2016-07-05 04:11:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/sh/Kconfig 2018-01-09 16:36:21.000000000 +0000
@@ -883,6 +883,8 @@ source "fs/Kconfig"
source "arch/sh/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/sh/kernel/irq.c linux-2.6.37-vs2.3.0.37-rc3/arch/sh/kernel/irq.c
---- linux-2.6.37/arch/sh/kernel/irq.c 2011-01-05 21:49:16.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/sh/kernel/irq.c 2010-11-23 02:09:40.000000000 +0100
-@@ -13,6 +13,7 @@
- #include <linux/seq_file.h>
+diff -NurpP --minimal linux-4.4.111/arch/sh/kernel/irq.c linux-4.4.111-vs2.3.9.5/arch/sh/kernel/irq.c
+--- linux-4.4.111/arch/sh/kernel/irq.c 2016-07-05 04:11:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/sh/kernel/irq.c 2018-01-09 16:36:21.000000000 +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-2.6.37/arch/sh/kernel/vsyscall/vsyscall.c linux-2.6.37-vs2.3.0.37-rc3/arch/sh/kernel/vsyscall/vsyscall.c
---- linux-2.6.37/arch/sh/kernel/vsyscall/vsyscall.c 2010-07-07 18:31:10.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/sh/kernel/vsyscall/vsyscall.c 2010-11-23 02:09:40.000000000 +0100
-@@ -18,6 +18,7 @@
- #include <linux/elf.h>
- #include <linux/sched.h>
- #include <linux/err.h>
-+#include <linux/vs_memory.h>
+diff -NurpP --minimal linux-4.4.111/arch/sparc/Kconfig linux-4.4.111-vs2.3.9.5/arch/sparc/Kconfig
+--- linux-4.4.111/arch/sparc/Kconfig 2018-01-11 07:57:07.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/sparc/Kconfig 2018-01-09 16:36:21.000000000 +0000
+@@ -561,6 +561,8 @@ source "fs/Kconfig"
- /*
- * Should the kernel map a VDSO page into processes and pass its
-diff -NurpP --minimal linux-2.6.37/arch/sparc/include/asm/tlb_64.h linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/include/asm/tlb_64.h
---- linux-2.6.37/arch/sparc/include/asm/tlb_64.h 2009-09-10 15:25:45.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/include/asm/tlb_64.h 2010-11-23 02:09:40.000000000 +0100
-@@ -3,6 +3,7 @@
+ source "arch/sparc/Kconfig.debug"
- #include <linux/swap.h>
- #include <linux/pagemap.h>
-+#include <linux/vs_memory.h>
- #include <asm/pgalloc.h>
- #include <asm/tlbflush.h>
- #include <asm/mmu_context.h>
-diff -NurpP --minimal linux-2.6.37/arch/sparc/include/asm/unistd.h linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/include/asm/unistd.h
---- linux-2.6.37/arch/sparc/include/asm/unistd.h 2010-10-21 13:06:58.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/include/asm/unistd.h 2010-11-23 02:09:40.000000000 +0100
-@@ -335,7 +335,7 @@
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/sparc/include/uapi/asm/unistd.h linux-4.4.111-vs2.3.9.5/arch/sparc/include/uapi/asm/unistd.h
+--- linux-4.4.111/arch/sparc/include/uapi/asm/unistd.h 2016-07-05 04:14:33.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/sparc/include/uapi/asm/unistd.h 2018-01-09 16:36:21.000000000 +0000
+@@ -332,7 +332,7 @@
#define __NR_timer_getoverrun 264
#define __NR_timer_delete 265
#define __NR_timer_create 266
#define __NR_io_setup 268
#define __NR_io_destroy 269
#define __NR_io_submit 270
-diff -NurpP --minimal linux-2.6.37/arch/sparc/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/Kconfig
---- linux-2.6.37/arch/sparc/Kconfig 2011-01-05 21:49:17.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/Kconfig 2010-11-23 02:09:40.000000000 +0100
-@@ -560,6 +560,8 @@ source "fs/Kconfig"
-
- source "arch/sparc/Kconfig.debug"
-
-+source "kernel/vserver/Kconfig"
-+
- source "security/Kconfig"
-
- source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/sparc/kernel/systbls_32.S linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/kernel/systbls_32.S
---- linux-2.6.37/arch/sparc/kernel/systbls_32.S 2010-10-21 13:06:59.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/kernel/systbls_32.S 2010-11-23 02:09:40.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/arch/sparc/kernel/systbls_32.S linux-4.4.111-vs2.3.9.5/arch/sparc/kernel/systbls_32.S
+--- linux-4.4.111/arch/sparc/kernel/systbls_32.S 2016-07-05 04:14:33.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/sparc/kernel/systbls_32.S 2018-01-09 16:36:21.000000000 +0000
@@ -70,7 +70,7 @@ sys_call_table:
- /*250*/ .long sys_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-2.6.37/arch/sparc/kernel/systbls_64.S linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/kernel/systbls_64.S
---- linux-2.6.37/arch/sparc/kernel/systbls_64.S 2010-10-21 13:06:59.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/sparc/kernel/systbls_64.S 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/arch/sparc/kernel/systbls_64.S linux-4.4.111-vs2.3.9.5/arch/sparc/kernel/systbls_64.S
+--- linux-4.4.111/arch/sparc/kernel/systbls_64.S 2016-07-05 04:14:33.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/sparc/kernel/systbls_64.S 2018-01-09 16:36:21.000000000 +0000
@@ -71,7 +71,7 @@ sys_call_table32:
- /*250*/ .word sys_mremap, compat_sys_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
-@@ -147,7 +147,7 @@ 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
+@@ -152,7 +152,7 @@ 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-2.6.37/arch/um/include/asm/tlb.h linux-2.6.37-vs2.3.0.37-rc3/arch/um/include/asm/tlb.h
---- linux-2.6.37/arch/um/include/asm/tlb.h 2009-09-10 15:25:46.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/um/include/asm/tlb.h 2010-11-23 02:09:41.000000000 +0100
-@@ -3,6 +3,7 @@
-
- #include <linux/pagemap.h>
- #include <linux/swap.h>
-+#include <linux/vs_memory.h>
- #include <asm/percpu.h>
- #include <asm/pgalloc.h>
- #include <asm/tlbflush.h>
-diff -NurpP --minimal linux-2.6.37/arch/um/include/shared/kern_constants.h linux-2.6.37-vs2.3.0.37-rc3/arch/um/include/shared/kern_constants.h
---- linux-2.6.37/arch/um/include/shared/kern_constants.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/um/include/shared/kern_constants.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1 @@
-+#include "../../../../include/generated/asm-offsets.h"
-diff -NurpP --minimal linux-2.6.37/arch/um/include/shared/user_constants.h linux-2.6.37-vs2.3.0.37-rc3/arch/um/include/shared/user_constants.h
---- linux-2.6.37/arch/um/include/shared/user_constants.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/um/include/shared/user_constants.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,40 @@
-+/*
-+ * DO NOT MODIFY.
-+ *
-+ * This file was generated by arch/um/Makefile
-+ *
-+ */
-+
-+#define HOST_SC_CR2 176 /* offsetof(struct sigcontext, cr2) # */
-+#define HOST_SC_ERR 152 /* offsetof(struct sigcontext, err) # */
-+#define HOST_SC_TRAPNO 160 /* offsetof(struct sigcontext, trapno) # */
-+#define HOST_FP_SIZE 64 /* sizeof(struct _fpstate) / sizeof(unsigned long) # */
-+#define HOST_RBX 5 /* RBX # */
-+#define HOST_RCX 11 /* RCX # */
-+#define HOST_RDI 14 /* RDI # */
-+#define HOST_RSI 13 /* RSI # */
-+#define HOST_RDX 12 /* RDX # */
-+#define HOST_RBP 4 /* RBP # */
-+#define HOST_RAX 10 /* RAX # */
-+#define HOST_R8 9 /* R8 # */
-+#define HOST_R9 8 /* R9 # */
-+#define HOST_R10 7 /* R10 # */
-+#define HOST_R11 6 /* R11 # */
-+#define HOST_R12 3 /* R12 # */
-+#define HOST_R13 2 /* R13 # */
-+#define HOST_R14 1 /* R14 # */
-+#define HOST_R15 0 /* R15 # */
-+#define HOST_ORIG_RAX 15 /* ORIG_RAX # */
-+#define HOST_CS 17 /* CS # */
-+#define HOST_SS 20 /* SS # */
-+#define HOST_EFLAGS 18 /* EFLAGS # */
-+#define HOST_IP 16 /* RIP # */
-+#define HOST_SP 19 /* RSP # */
-+#define UM_FRAME_SIZE 216 /* sizeof(struct user_regs_struct) # */
-+#define UM_POLLIN 1 /* POLLIN # */
-+#define UM_POLLPRI 2 /* POLLPRI # */
-+#define UM_POLLOUT 4 /* POLLOUT # */
-+#define UM_PROT_READ 1 /* PROT_READ # */
-+#define UM_PROT_WRITE 2 /* PROT_WRITE # */
-+#define UM_PROT_EXEC 4 /* PROT_EXEC # */
-+
-diff -NurpP --minimal linux-2.6.37/arch/um/Kconfig.rest linux-2.6.37-vs2.3.0.37-rc3/arch/um/Kconfig.rest
---- linux-2.6.37/arch/um/Kconfig.rest 2009-06-11 17:12:19.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/um/Kconfig.rest 2010-11-23 02:09:41.000000000 +0100
-@@ -18,6 +18,8 @@ source "drivers/connector/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/um/Kconfig.rest linux-4.4.111-vs2.3.9.5/arch/um/Kconfig.rest
+--- linux-4.4.111/arch/um/Kconfig.rest 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/um/Kconfig.rest 2018-01-09 16:36:21.000000000 +0000
+@@ -12,6 +12,8 @@ source "arch/um/Kconfig.net"
source "fs/Kconfig"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/x86/ia32/ia32entry.S linux-2.6.37-vs2.3.0.37-rc3/arch/x86/ia32/ia32entry.S
---- linux-2.6.37/arch/x86/ia32/ia32entry.S 2010-10-21 13:06:59.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/x86/ia32/ia32entry.S 2010-11-23 02:09:41.000000000 +0100
-@@ -783,7 +783,7 @@ 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-2.6.37/arch/x86/include/asm/unistd_64.h linux-2.6.37-vs2.3.0.37-rc3/arch/x86/include/asm/unistd_64.h
---- linux-2.6.37/arch/x86/include/asm/unistd_64.h 2010-10-21 13:06:59.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/x86/include/asm/unistd_64.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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-2.6.37/arch/x86/Kconfig linux-2.6.37-vs2.3.0.37-rc3/arch/x86/Kconfig
---- linux-2.6.37/arch/x86/Kconfig 2011-01-05 21:49:19.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/x86/Kconfig 2011-01-05 22:30:27.000000000 +0100
-@@ -2119,6 +2119,8 @@ source "fs/Kconfig"
+diff -NurpP --minimal linux-4.4.111/arch/x86/Kconfig linux-4.4.111-vs2.3.9.5/arch/x86/Kconfig
+--- linux-4.4.111/arch/x86/Kconfig 2018-01-11 07:57:08.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/x86/Kconfig 2018-01-09 16:36:21.000000000 +0000
+@@ -2672,6 +2672,8 @@ source "fs/Kconfig"
source "arch/x86/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
-diff -NurpP --minimal linux-2.6.37/arch/x86/kernel/syscall_table_32.S linux-2.6.37-vs2.3.0.37-rc3/arch/x86/kernel/syscall_table_32.S
---- linux-2.6.37/arch/x86/kernel/syscall_table_32.S 2010-10-21 13:07:00.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/arch/x86/kernel/syscall_table_32.S 2010-11-23 02:09:41.000000000 +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-2.6.37/Documentation/vserver/debug.txt linux-2.6.37-vs2.3.0.37-rc3/Documentation/vserver/debug.txt
---- linux-2.6.37/Documentation/vserver/debug.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/Documentation/vserver/debug.txt 2010-11-23 02:09:40.000000000 +0100
-@@ -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-2.6.37/drivers/block/Kconfig linux-2.6.37-vs2.3.0.37-rc3/drivers/block/Kconfig
---- linux-2.6.37/drivers/block/Kconfig 2011-01-05 21:49:25.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/block/Kconfig 2010-11-23 02:09:41.000000000 +0100
-@@ -273,6 +273,13 @@ config BLK_DEV_CRYPTOLOOP
+diff -NurpP --minimal linux-4.4.111/arch/x86/entry/syscalls/syscall_32.tbl linux-4.4.111-vs2.3.9.5/arch/x86/entry/syscalls/syscall_32.tbl
+--- linux-4.4.111/arch/x86/entry/syscalls/syscall_32.tbl 2018-01-11 07:57:08.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/x86/entry/syscalls/syscall_32.tbl 2018-01-10 01:51:14.000000000 +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-4.4.111/arch/x86/entry/syscalls/syscall_64.tbl linux-4.4.111-vs2.3.9.5/arch/x86/entry/syscalls/syscall_64.tbl
+--- linux-4.4.111/arch/x86/entry/syscalls/syscall_64.tbl 2016-07-05 04:14:33.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/arch/x86/entry/syscalls/syscall_64.tbl 2018-01-10 01:51:32.000000000 +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-4.4.111/block/ioprio.c linux-4.4.111-vs2.3.9.5/block/ioprio.c
+--- linux-4.4.111/block/ioprio.c 2018-01-11 07:57:12.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/block/ioprio.c 2018-01-09 16:36:23.000000000 +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;
+@@ -203,6 +206,8 @@ 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-4.4.111/drivers/block/Kconfig linux-4.4.111-vs2.3.9.5/drivers/block/Kconfig
+--- linux-4.4.111/drivers/block/Kconfig 2016-07-05 04:14:35.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/block/Kconfig 2018-01-09 16:36:23.000000000 +0000
+@@ -283,6 +283,13 @@ config BLK_DEV_CRYPTOLOOP
source "drivers/block/drbd/Kconfig"
config BLK_DEV_NBD
tristate "Network block device support"
depends on NET
-diff -NurpP --minimal linux-2.6.37/drivers/block/loop.c linux-2.6.37-vs2.3.0.37-rc3/drivers/block/loop.c
---- linux-2.6.37/drivers/block/loop.c 2011-01-05 21:49:25.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/block/loop.c 2010-11-23 02:15:37.000000000 +0100
-@@ -75,6 +75,7 @@
- #include <linux/kthread.h>
- #include <linux/splice.h>
- #include <linux/sysfs.h>
+diff -NurpP --minimal linux-4.4.111/drivers/block/Makefile linux-4.4.111-vs2.3.9.5/drivers/block/Makefile
+--- linux-4.4.111/drivers/block/Makefile 2016-07-05 04:14:35.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/block/Makefile 2018-01-09 16:36:23.000000000 +0000
+@@ -32,6 +32,7 @@ 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-4.4.111/drivers/block/loop.c linux-4.4.111-vs2.3.9.5/drivers/block/loop.c
+--- linux-4.4.111/drivers/block/loop.c 2018-01-11 07:57:13.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/block/loop.c 2018-01-09 23:00:25.000000000 +0000
+@@ -76,6 +76,7 @@
+ #include <linux/miscdevice.h>
+ #include <linux/falloc.h>
+ #include <linux/uio.h>
+#include <linux/vs_context.h>
+ #include "loop.h"
#include <asm/uaccess.h>
-
-@@ -907,6 +908,7 @@ static int loop_set_fd(struct loop_devic
+@@ -935,6 +936,7 @@ static int loop_set_fd(struct loop_devic
lo->lo_blocksize = lo_blocksize;
lo->lo_device = bdev;
lo->lo_flags = lo_flags;
+ lo->lo_xid = vx_current_xid();
lo->lo_backing_file = file;
- lo->transfer = transfer_none;
+ lo->transfer = NULL;
lo->ioctl = NULL;
-@@ -1037,6 +1039,7 @@ static int loop_clr_fd(struct loop_devic
+@@ -1055,6 +1057,7 @@ static int loop_clr_fd(struct loop_devic
+ lo->lo_offset = 0;
+ 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);
-@@ -1075,7 +1078,7 @@ loop_set_status(struct loop_device *lo,
+@@ -1101,7 +1104,7 @@ loop_set_status(struct loop_device *lo,
if (lo->lo_encrypt_key_size &&
- lo->lo_key_owner != uid &&
+ !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;
-@@ -1159,7 +1162,8 @@ loop_get_status(struct loop_device *lo,
+@@ -1202,7 +1205,8 @@ 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);
-@@ -1505,6 +1509,9 @@ static int lo_open(struct block_device *
- {
- struct loop_device *lo = bdev->bd_disk->private_data;
+@@ -1563,6 +1567,11 @@ 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(&loop_mutex);
- mutex_lock(&lo->lo_ctl_mutex);
- lo->lo_refcnt++;
-diff -NurpP --minimal linux-2.6.37/drivers/block/Makefile linux-2.6.37-vs2.3.0.37-rc3/drivers/block/Makefile
---- linux-2.6.37/drivers/block/Makefile 2011-01-05 21:49:25.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/block/Makefile 2010-11-23 02:09:41.000000000 +0100
-@@ -34,6 +34,7 @@ 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-$(CONFIG_BLK_DEV_VROOT) += vroot.o
+ atomic_inc(&lo->lo_refcnt);
+ out:
+ mutex_unlock(&loop_index_mutex);
+diff -NurpP --minimal linux-4.4.111/drivers/block/loop.h linux-4.4.111-vs2.3.9.5/drivers/block/loop.h
+--- linux-4.4.111/drivers/block/loop.h 2016-07-05 04:14:35.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/block/loop.h 2018-01-09 16:36:23.000000000 +0000
+@@ -43,6 +43,7 @@ struct loop_device {
+ struct loop_func_table *lo_encryption;
+ __u32 lo_init[2];
+ kuid_t lo_key_owner; /* Who set the key */
++ vxid_t lo_xid;
+ int (*ioctl)(struct loop_device *, int cmd,
+ unsigned long arg);
- obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o
- obj-$(CONFIG_BLK_DEV_DRBD) += drbd/
-diff -NurpP --minimal linux-2.6.37/drivers/block/vroot.c linux-2.6.37-vs2.3.0.37-rc3/drivers/block/vroot.c
---- linux-2.6.37/drivers/block/vroot.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/block/vroot.c 2011-01-08 04:12:17.000000000 +0100
-@@ -0,0 +1,282 @@
+diff -NurpP --minimal linux-4.4.111/drivers/block/vroot.c linux-4.4.111-vs2.3.9.5/drivers/block/vroot.c
+--- linux-4.4.111/drivers/block/vroot.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/block/vroot.c 2018-01-11 07:37:22.000000000 +0000
+@@ -0,0 +1,291 @@
+/*
+ * linux/drivers/block/vroot.c
+ *
-+ * written by Herbert Pötzl, 9/11/2002
-+ * ported to 2.6.10 by Herbert Pötzl, 30/12/2004
++ * written by Herbert P?tzl, 9/11/2002
++ * ported to 2.6.10 by Herbert P?tzl, 30/12/2004
+ *
+ * based on the loop.c code by Theodore Ts'o.
+ *
-+ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Copyright (C) 2002-2007 by Herbert P?tzl.
+ * Redistribution of this file is permitted under the
+ * GNU General Public License.
+ *
+ goto out;
+
+ error = -EINVAL;
-+ inode = file->f_dentry->d_inode;
++ inode = file->f_path.dentry->d_inode;
+
+
+ if (S_ISBLK(inode->i_mode)) {
+ return 0;
+}
+
-+static int vr_release(struct gendisk *disk, fmode_t mode)
++static void vr_release(struct gendisk *disk, fmode_t mode)
+{
+ 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 blk_qc_t vroot_make_request(struct request_queue *q, struct bio *bio)
++{
++ printk("vroot_make_request %p, %p\n", q, bio);
++ bio_io_error(bio);
++ return BLK_QC_T_NONE;
++}
++
+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.
+ */
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_BLOCKDEV_MAJOR(VROOT_MAJOR);
+
-+MODULE_AUTHOR ("Herbert Pötzl");
++MODULE_AUTHOR ("Herbert P?tzl");
+MODULE_DESCRIPTION ("Virtual Root Device Mapper");
+
+
+ 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++) {
+
+#endif
+
-diff -NurpP --minimal linux-2.6.37/drivers/gpu/drm/radeon/r100_reg_safe.h linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/r100_reg_safe.h
---- linux-2.6.37/drivers/gpu/drm/radeon/r100_reg_safe.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/r100_reg_safe.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,28 @@
-+static const unsigned r100_reg_safe_bm[102] = {
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0x17FF1FFF, 0xFFFFFFFC, 0xFFFFFFFF, 0xFF30FFBF,
-+ 0xFFFFFFF8, 0xC3E6FFFF, 0xFFFFF6DF, 0xFFFFFFFF,
-+ 0xFFFFFFCF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFF9F, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0x38E7FE1F, 0xFFC3FF8E, 0x7FF8FFFF, 0xFFFF803C,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFEFFFF, 0xFFFFFFFF,
-+ 0x00000000, 0xFFFFFFFD, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFCFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFEF,
-+};
-diff -NurpP --minimal linux-2.6.37/drivers/gpu/drm/radeon/r200_reg_safe.h linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/r200_reg_safe.h
---- linux-2.6.37/drivers/gpu/drm/radeon/r200_reg_safe.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/r200_reg_safe.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,28 @@
-+static const unsigned r200_reg_safe_bm[102] = {
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0x17FF1FFF, 0xFFFFFFFC, 0xFFFFFFFF, 0xFF30FFBF,
-+ 0xFFFFFFF8, 0xC3E6FFFF, 0xFFFFF6DF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFE7FE1F, 0xF003FFFF, 0x7EFFFFFF, 0xFFFF803C,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFEFCE, 0xFFFEFFFF, 0xFFFFFFFE,
-+ 0x020E0FF0, 0xFFCC83FD, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFBFFFF, 0xEFFCFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xDFDFDFDF, 0x3FFDDFDF, 0xFFFFFFFF, 0xFFFFFF7F,
-+ 0xFFFFFFFF, 0x00FFFFFF, 0x00000000, 0x00000000,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFE3F, 0xFFFFFFEF,
-+};
-diff -NurpP --minimal linux-2.6.37/drivers/gpu/drm/radeon/r300_reg_safe.h linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/r300_reg_safe.h
---- linux-2.6.37/drivers/gpu/drm/radeon/r300_reg_safe.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/r300_reg_safe.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,42 @@
-+static const unsigned r300_reg_safe_bm[159] = {
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0x17FF1FFF, 0xFFFFFFFC, 0xFFFFFFFF, 0xFF30FFBF,
-+ 0xFFFFFFF8, 0xC3E6FFFF, 0xFFFFF6DF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF03F,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFEFCE, 0xF00EBFFF, 0x007C0000,
-+ 0xF0000078, 0xFF000009, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFF7FF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFC78, 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFF,
-+ 0x38FF8F50, 0xFFF88082, 0xF000000C, 0xFAE009FF,
-+ 0x0000FFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000,
-+ 0x00000000, 0x0000C100, 0x00000000, 0x00000000,
-+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-+ 0x00000000, 0xFFFF0000, 0xFFFFFFFF, 0xFF80FFFF,
-+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-+ 0x0003FC01, 0xFFFFFCF8, 0xFF800B19,
-+};
-diff -NurpP --minimal linux-2.6.37/drivers/gpu/drm/radeon/r420_reg_safe.h linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/r420_reg_safe.h
---- linux-2.6.37/drivers/gpu/drm/radeon/r420_reg_safe.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/r420_reg_safe.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,42 @@
-+static const unsigned r420_reg_safe_bm[159] = {
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0x17FF1FFF, 0xFFFFFFFC, 0xFFFFFFFF, 0xFF30FFBF,
-+ 0xFFFFFFF8, 0xC3E6FFFF, 0xFFFFF6DF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF03F,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFEFCE, 0xF00EBFFF, 0x007C0000,
-+ 0xF0000078, 0xFF000009, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFF7FF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFC78, 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFF,
-+ 0x38FF8F50, 0xFFF88082, 0xF000000C, 0xFAE009FF,
-+ 0x0000FFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000,
-+ 0x00000000, 0x00000100, 0x00000000, 0x00000000,
-+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-+ 0x00000000, 0x00000000, 0x00000000, 0xFF800000,
-+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-+ 0x0003FC01, 0xFFFFFCF8, 0xFF800B19,
-+};
-diff -NurpP --minimal linux-2.6.37/drivers/gpu/drm/radeon/rn50_reg_safe.h linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/rn50_reg_safe.h
---- linux-2.6.37/drivers/gpu/drm/radeon/rn50_reg_safe.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/rn50_reg_safe.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,28 @@
-+static const unsigned rn50_reg_safe_bm[102] = {
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0x17FF1FFF, 0xFFFFFFFC, 0xFFFFFFFF, 0xFF30FFBF,
-+ 0xFFFFFFF8, 0xC3E6FFFF, 0xFFFFF6DF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF,
-+};
-diff -NurpP --minimal linux-2.6.37/drivers/gpu/drm/radeon/rs600_reg_safe.h linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/rs600_reg_safe.h
---- linux-2.6.37/drivers/gpu/drm/radeon/rs600_reg_safe.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/rs600_reg_safe.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,57 @@
-+static const unsigned rs600_reg_safe_bm[219] = {
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0x17FF1FFF, 0xFFFFFFFC, 0xFFFFFFFF, 0xFF30FFBF,
-+ 0xFFFFFFF8, 0xC3E6FFFF, 0xFFFFF6DF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF03F,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFEFCE, 0xF00EBFFF, 0x007C0000,
-+ 0xF0000078, 0xFF000009, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFF7FF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFC78, 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFF,
-+ 0x38FF8F50, 0xFFF88082, 0xF000000C, 0xFAE009FF,
-+ 0x0000FFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000,
-+ 0x00000000, 0x00000100, 0x00000000, 0x00000000,
-+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-+ 0x00000000, 0x00000000, 0x00000000, 0xFF800000,
-+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-+ 0x0003FC01, 0xFFFFFCF8, 0xFF800B19, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+};
-diff -NurpP --minimal linux-2.6.37/drivers/gpu/drm/radeon/rv515_reg_safe.h linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/rv515_reg_safe.h
---- linux-2.6.37/drivers/gpu/drm/radeon/rv515_reg_safe.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/gpu/drm/radeon/rv515_reg_safe.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,57 @@
-+static const unsigned rv515_reg_safe_bm[219] = {
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0x17FF1FFF, 0xFFFFFFFC, 0xFFFFFFFF, 0xFF30FFBF,
-+ 0xFFFFFFF8, 0xC3E6FFFF, 0xFFFFF6DF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF03F,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFEFCE, 0xF00EBFFF, 0x007C0000,
-+ 0xF0000038, 0xFF000009, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFF7FF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0x1FFFF878, 0xFFFFE000, 0xFFFFFE1E, 0xFFFFFFFF,
-+ 0x388F8F50, 0xFFF88082, 0xFF0000FC, 0xFAE009FF,
-+ 0x0000FFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000,
-+ 0xFFFF8CFC, 0xFFFFC1FF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFF80FFFF,
-+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-+ 0x0003FC01, 0x3FFFFCF8, 0xFF800B19, 0xFFDFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+ 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-+};
-diff -NurpP --minimal linux-2.6.37/drivers/infiniband/core/addr.c linux-2.6.37-vs2.3.0.37-rc3/drivers/infiniband/core/addr.c
---- linux-2.6.37/drivers/infiniband/core/addr.c 2010-10-21 13:07:05.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/infiniband/core/addr.c 2010-11-23 02:09:41.000000000 +0100
-@@ -252,7 +252,7 @@ static int addr6_resolve(struct sockaddr
-
- if (ipv6_addr_any(&fl.fl6_src)) {
- ret = ipv6_dev_get_saddr(&init_net, ip6_dst_idev(dst)->dev,
-- &fl.fl6_dst, 0, &fl.fl6_src);
-+ &fl.fl6_dst, 0, &fl.fl6_src, NULL);
+diff -NurpP --minimal linux-4.4.111/drivers/infiniband/core/addr.c linux-4.4.111-vs2.3.9.5/drivers/infiniband/core/addr.c
+--- linux-4.4.111/drivers/infiniband/core/addr.c 2018-01-11 07:57:21.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/infiniband/core/addr.c 2018-01-09 16:49:06.000000000 +0000
+@@ -283,7 +283,7 @@ static int addr6_resolve(struct sockaddr
+
+ if (ipv6_addr_any(&fl6.saddr)) {
+ ret = ipv6_dev_get_saddr(addr->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-2.6.37/drivers/infiniband/hw/ipath/ipath_user_pages.c linux-2.6.37-vs2.3.0.37-rc3/drivers/infiniband/hw/ipath/ipath_user_pages.c
---- linux-2.6.37/drivers/infiniband/hw/ipath/ipath_user_pages.c 2010-07-07 18:31:19.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/infiniband/hw/ipath/ipath_user_pages.c 2010-11-23 02:09:41.000000000 +0100
-@@ -35,6 +35,7 @@
- #include <linux/device.h>
- #include <linux/slab.h>
- #include <linux/sched.h>
-+#include <linux/vs_memory.h>
+diff -NurpP --minimal linux-4.4.111/drivers/md/dm-ioctl.c linux-4.4.111-vs2.3.9.5/drivers/md/dm-ioctl.c
+--- linux-4.4.111/drivers/md/dm-ioctl.c 2018-01-11 07:57:23.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/md/dm-ioctl.c 2018-01-09 16:36:23.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/dm-ioctl.h>
+ #include <linux/hdreg.h>
+ #include <linux/compat.h>
++#include <linux/vs_context.h>
- #include "ipath_kernel.h"
+ #include <asm/uaccess.h>
-diff -NurpP --minimal linux-2.6.37/drivers/md/dm.c linux-2.6.37-vs2.3.0.37-rc3/drivers/md/dm.c
---- linux-2.6.37/drivers/md/dm.c 2011-01-05 21:49:35.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/md/dm.c 2010-11-23 02:18:36.000000000 +0100
-@@ -20,6 +20,7 @@
- #include <linux/idr.h>
- #include <linux/hdreg.h>
- #include <linux/delay.h>
+@@ -114,7 +115,8 @@ 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;
+ }
+@@ -128,7 +130,8 @@ 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;
+ }
+@@ -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;
+
+ md = dm_get_md(huge_decode_dev(dev));
+ if (!md)
+ return NULL;
+
+- 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
+
+ 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);
+@@ -1801,8 +1813,8 @@ static int ctl_ioctl(uint command, struc
+ size_t input_param_size;
+ struct dm_ioctl param_kernel;
+
+- /* 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-4.4.111/drivers/md/dm.c linux-4.4.111-vs2.3.9.5/drivers/md/dm.c
+--- linux-4.4.111/drivers/md/dm.c 2018-01-11 07:57:23.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/md/dm.c 2018-01-09 16:49:30.000000000 +0000
+@@ -25,6 +25,7 @@
+ #include <linux/elevator.h> /* for rq_end_sector() */
+ #include <linux/blk-mq.h>
+ #include <linux/pr.h>
+#include <linux/vs_base.h>
#include <trace/events/block.h>
-@@ -120,6 +121,7 @@ struct mapped_device {
- rwlock_t map_lock;
+@@ -144,6 +145,7 @@ struct mapped_device {
+ struct mutex suspend_lock;
atomic_t holders;
atomic_t open_count;
-+ xid_t xid;
-
- unsigned long flags;
++ vxid_t xid;
-@@ -327,6 +329,7 @@ int dm_deleting_md(struct mapped_device
+ /*
+ * The current mapping.
+@@ -445,6 +447,7 @@ 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;
- mutex_lock(&dm_mutex);
spin_lock(&_minor_lock);
-@@ -336,19 +339,20 @@ static int dm_blk_open(struct block_devi
+
+@@ -453,17 +456,19 @@ static int dm_blk_open(struct block_devi
goto out;
if (test_bit(DMF_FREEING, &md->flags) ||
dm_get(md);
atomic_inc(&md->open_count);
--
+ ret = 0;
out:
spin_unlock(&_minor_lock);
- mutex_unlock(&dm_mutex);
-
- return md ? 0 : -ENXIO;
+ return ret;
}
- static int dm_blk_close(struct gendisk *disk, fmode_t mode)
-@@ -566,6 +570,14 @@ int dm_set_geometry(struct mapped_device
+ static void dm_blk_close(struct gendisk *disk, fmode_t mode)
+@@ -909,6 +914,14 @@ 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
-@@ -1859,6 +1871,7 @@ static struct mapped_device *alloc_dev(i
- INIT_LIST_HEAD(&md->uevent_list);
+@@ -2380,6 +2393,7 @@ 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-2.6.37/drivers/md/dm.h linux-2.6.37-vs2.3.0.37-rc3/drivers/md/dm.h
---- linux-2.6.37/drivers/md/dm.h 2010-10-21 13:07:07.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/md/dm.h 2010-11-23 02:09:41.000000000 +0100
-@@ -41,6 +41,8 @@ struct dm_dev_internal {
+ goto bad;
+diff -NurpP --minimal linux-4.4.111/drivers/md/dm.h linux-4.4.111-vs2.3.9.5/drivers/md/dm.h
+--- linux-4.4.111/drivers/md/dm.h 2016-07-05 04:12:06.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/md/dm.h 2018-01-09 16:36:24.000000000 +0000
+@@ -52,6 +52,8 @@ 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);
+
/*-----------------------------------------------------------------
* Internal table functions.
*---------------------------------------------------------------*/
-diff -NurpP --minimal linux-2.6.37/drivers/md/dm-ioctl.c linux-2.6.37-vs2.3.0.37-rc3/drivers/md/dm-ioctl.c
---- linux-2.6.37/drivers/md/dm-ioctl.c 2011-01-05 21:49:35.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/md/dm-ioctl.c 2010-11-23 02:09:41.000000000 +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>
-
-@@ -106,7 +107,8 @@ 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;
- }
-@@ -120,7 +122,8 @@ 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;
- }
-@@ -377,6 +380,9 @@ 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;
-@@ -424,6 +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;
- needed += sizeof(struct dm_name_list);
- needed += strlen(hc->name) + 1;
- needed += ALIGN_MASK;
-@@ -447,6 +455,8 @@ 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);
-@@ -681,10 +691,11 @@ 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;
- }
-@@ -1513,8 +1524,8 @@ 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-2.6.37/drivers/net/tun.c linux-2.6.37-vs2.3.0.37-rc3/drivers/net/tun.c
---- linux-2.6.37/drivers/net/tun.c 2010-10-21 13:07:15.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/net/tun.c 2010-11-23 02:09:41.000000000 +0100
-@@ -62,6 +62,7 @@
+diff -NurpP --minimal linux-4.4.111/drivers/net/tun.c linux-4.4.111-vs2.3.9.5/drivers/net/tun.c
+--- linux-4.4.111/drivers/net/tun.c 2018-01-11 07:57:30.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/net/tun.c 2018-01-09 16:36:24.000000000 +0000
+@@ -65,6 +65,7 @@
#include <linux/nsproxy.h>
#include <linux/virtio_net.h>
#include <linux/rcupdate.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include <net/rtnetlink.h>
-@@ -103,6 +104,7 @@ struct tun_struct {
+@@ -181,6 +182,7 @@ struct tun_struct {
unsigned int flags;
- uid_t owner;
- gid_t group;
-+ nid_t nid;
+ kuid_t owner;
+ kgid_t group;
++ vnid_t nid;
struct net_device *dev;
- struct fasync_struct *fasync;
-@@ -853,6 +855,7 @@ static void tun_setup(struct net_device
+ netdev_features_t set_features;
+@@ -475,6 +477,7 @@ 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) */
+ }
- tun->owner = -1;
- tun->group = -1;
-+ tun->nid = current->nid;
+ static void tun_set_real_num_queues(struct tun_struct *tun)
+@@ -1463,6 +1466,7 @@ static void tun_setup(struct net_device
+
+ tun->owner = INVALID_UID;
+ tun->group = INVALID_GID;
++ tun->nid = nx_current_nid();
dev->ethtool_ops = &tun_ethtool_ops;
dev->destructor = tun_free_netdev;
-@@ -1003,7 +1006,7 @@ static int tun_set_iff(struct net *net,
-
- if (((tun->owner != -1 && cred->euid != tun->owner) ||
- (tun->group != -1 && !in_egroup_p(tun->group))) &&
-- !capable(CAP_NET_ADMIN))
-+ !cap_raised(current_cap(), CAP_NET_ADMIN))
- return -EPERM;
- err = security_tun_dev_attach(tun->socket.sk);
- if (err < 0)
-@@ -1017,7 +1020,7 @@ static int tun_set_iff(struct net *net,
- char *name;
- unsigned long flags = 0;
+@@ -1657,7 +1661,7 @@ 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;
err = security_tun_dev_create();
if (err < 0)
-@@ -1087,6 +1090,9 @@ static int tun_set_iff(struct net *net,
-
- sk->sk_destruct = tun_sock_destruct;
-
-+ if (!nx_check(tun->nid, VS_IDENT | VS_HOSTID | VS_ADMIN_P))
-+ return -EPERM;
-+
- err = tun_attach(tun, file);
- if (err < 0)
- goto failed;
-@@ -1278,6 +1284,16 @@ static long __tun_chr_ioctl(struct file
- DBG(KERN_INFO "%s: group set to %d\n", tun->dev->name, tun->group);
+@@ -2010,6 +2014,16 @@ 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 */
if (tun->dev->flags & IFF_UP) {
-diff -NurpP --minimal linux-2.6.37/drivers/tty/sysrq.c linux-2.6.37-vs2.3.0.37-rc3/drivers/tty/sysrq.c
---- linux-2.6.37/drivers/tty/sysrq.c 2011-01-05 21:50:13.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/tty/sysrq.c 2010-11-23 02:09:41.000000000 +0100
-@@ -41,6 +41,7 @@
- #include <linux/oom.h>
- #include <linux/slab.h>
- #include <linux/input.h>
+diff -NurpP --minimal linux-4.4.111/drivers/scsi/cxgbi/libcxgbi.c linux-4.4.111-vs2.3.9.5/drivers/scsi/cxgbi/libcxgbi.c
+--- linux-4.4.111/drivers/scsi/cxgbi/libcxgbi.c 2015-10-29 09:21:24.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/scsi/cxgbi/libcxgbi.c 2018-01-09 16:36:24.000000000 +0000
+@@ -768,7 +768,8 @@ 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-4.4.111/drivers/tty/sysrq.c linux-4.4.111-vs2.3.9.5/drivers/tty/sysrq.c
+--- linux-4.4.111/drivers/tty/sysrq.c 2018-01-11 07:57:38.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/tty/sysrq.c 2018-01-09 16:36:24.000000000 +0000
+@@ -47,6 +47,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/of.h>
+ #include <linux/rcupdate.h>
+#include <linux/vserver/debug.h>
#include <asm/ptrace.h>
#include <asm/irq_regs.h>
-@@ -395,6 +396,21 @@ static struct sysrq_key_op sysrq_unrt_op
+@@ -421,6 +422,21 @@ static struct sysrq_key_op sysrq_unrt_op
.enable_mask = SYSRQ_ENABLE_RTNICE,
};
/* Key Operations table and lock */
static DEFINE_SPINLOCK(sysrq_key_table_lock);
-@@ -449,7 +465,11 @@ static struct sysrq_key_op *sysrq_key_ta
- NULL, /* v */
- &sysrq_showstate_blocked_op, /* w */
+@@ -477,7 +493,11 @@ static struct sysrq_key_op *sysrq_key_ta
+ /* x: May be registered on mips for TLB dump */
/* 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
/* y: May be registered on sparc64 for global register dump */
NULL, /* y */
&sysrq_ftrace_dump_op, /* z */
-@@ -464,6 +484,8 @@ static int sysrq_key_table_key2index(int
+@@ -492,6 +512,8 @@ static int sysrq_key_table_key2index(int
retval = key - '0';
else if ((key >= 'a') && (key <= 'z'))
retval = key + 10 - 'a';
else
retval = -1;
return retval;
-diff -NurpP --minimal linux-2.6.37/drivers/tty/tty_io.c linux-2.6.37-vs2.3.0.37-rc3/drivers/tty/tty_io.c
---- linux-2.6.37/drivers/tty/tty_io.c 2011-01-05 21:50:13.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/drivers/tty/tty_io.c 2011-01-05 22:30:36.000000000 +0100
-@@ -107,6 +107,7 @@
+diff -NurpP --minimal linux-4.4.111/drivers/tty/tty_io.c linux-4.4.111-vs2.3.9.5/drivers/tty/tty_io.c
+--- linux-4.4.111/drivers/tty/tty_io.c 2018-01-11 07:57:38.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/drivers/tty/tty_io.c 2018-01-09 16:36:24.000000000 +0000
+@@ -104,6 +104,7 @@
#include <linux/kmod.h>
#include <linux/nsproxy.h>
+#include <linux/vs_pid.h>
#undef TTY_DEBUG_HANGUP
-
-@@ -2057,7 +2058,8 @@ static int tiocsti(struct tty_struct *tt
+ #ifdef TTY_DEBUG_HANGUP
+@@ -2280,7 +2281,8 @@ static int tiocsti(struct tty_struct *tt
char ch, mbz = 0;
struct tty_ldisc *ld;
return -EPERM;
if (get_user(ch, p))
return -EFAULT;
-@@ -2345,6 +2347,7 @@ static int tiocspgrp(struct tty_struct *
+@@ -2593,6 +2595,7 @@ static int tiocspgrp(struct tty_struct *
return -ENOTTY;
if (get_user(pgrp_nr, p))
return -EFAULT;
if (pgrp_nr < 0)
return -EINVAL;
rcu_read_lock();
-diff -NurpP --minimal linux-2.6.37/fs/attr.c linux-2.6.37-vs2.3.0.37-rc3/fs/attr.c
---- linux-2.6.37/fs/attr.c 2010-10-21 13:07:47.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/attr.c 2010-11-23 02:09:41.000000000 +0100
-@@ -13,6 +13,9 @@
- #include <linux/fsnotify.h>
- #include <linux/fcntl.h>
+diff -NurpP --minimal linux-4.4.111/fs/attr.c linux-4.4.111-vs2.3.9.5/fs/attr.c
+--- linux-4.4.111/fs/attr.c 2018-01-11 07:57:43.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/attr.c 2018-01-09 17:27:12.000000000 +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
-@@ -73,6 +76,10 @@ int inode_change_ok(const struct inode *
+@@ -77,6 +80,10 @@ int inode_change_ok(const struct inode *
return -EPERM;
}
return 0;
}
EXPORT_SYMBOL(inode_change_ok);
-@@ -143,6 +150,8 @@ void setattr_copy(struct inode *inode, c
+@@ -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_ATIME)
inode->i_atime = timespec_trunc(attr->ia_atime,
inode->i_sb->s_time_gran);
-@@ -170,7 +179,8 @@ int notify_change(struct dentry * dentry
- struct timespec now;
- unsigned int ia_valid = attr->ia_valid;
+@@ -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 |
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
return -EPERM;
}
-diff -NurpP --minimal linux-2.6.37/fs/binfmt_aout.c linux-2.6.37-vs2.3.0.37-rc3/fs/binfmt_aout.c
---- linux-2.6.37/fs/binfmt_aout.c 2010-10-21 13:07:47.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/binfmt_aout.c 2010-11-23 02:09:41.000000000 +0100
-@@ -25,6 +25,7 @@
- #include <linux/init.h>
- #include <linux/coredump.h>
- #include <linux/slab.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/system.h>
- #include <asm/uaccess.h>
-diff -NurpP --minimal linux-2.6.37/fs/binfmt_elf.c linux-2.6.37-vs2.3.0.37-rc3/fs/binfmt_elf.c
---- linux-2.6.37/fs/binfmt_elf.c 2011-01-05 21:50:20.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/binfmt_elf.c 2010-11-23 02:09:41.000000000 +0100
-@@ -32,6 +32,7 @@
- #include <linux/elf.h>
- #include <linux/utsname.h>
- #include <linux/coredump.h>
-+#include <linux/vs_memory.h>
- #include <asm/uaccess.h>
- #include <asm/param.h>
- #include <asm/page.h>
-diff -NurpP --minimal linux-2.6.37/fs/binfmt_flat.c linux-2.6.37-vs2.3.0.37-rc3/fs/binfmt_flat.c
---- linux-2.6.37/fs/binfmt_flat.c 2010-08-02 16:52:47.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/binfmt_flat.c 2010-11-23 02:09:41.000000000 +0100
-@@ -35,6 +35,7 @@
- #include <linux/init.h>
- #include <linux/flat.h>
- #include <linux/syscalls.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/byteorder.h>
- #include <asm/system.h>
-diff -NurpP --minimal linux-2.6.37/fs/binfmt_som.c linux-2.6.37-vs2.3.0.37-rc3/fs/binfmt_som.c
---- linux-2.6.37/fs/binfmt_som.c 2010-02-25 11:52:04.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/binfmt_som.c 2010-11-23 02:09:41.000000000 +0100
-@@ -28,6 +28,7 @@
- #include <linux/shm.h>
- #include <linux/personality.h>
- #include <linux/init.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/uaccess.h>
- #include <asm/pgtable.h>
-diff -NurpP --minimal linux-2.6.37/fs/block_dev.c linux-2.6.37-vs2.3.0.37-rc3/fs/block_dev.c
---- linux-2.6.37/fs/block_dev.c 2011-01-05 21:50:20.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/block_dev.c 2010-11-23 02:09:41.000000000 +0100
-@@ -25,6 +25,7 @@
- #include <linux/namei.h>
+diff -NurpP --minimal linux-4.4.111/fs/block_dev.c linux-4.4.111-vs2.3.9.5/fs/block_dev.c
+--- linux-4.4.111/fs/block_dev.c 2018-01-11 07:57:43.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/block_dev.c 2018-01-09 17:16:29.000000000 +0000
+@@ -29,6 +29,7 @@
#include <linux/log2.h>
- #include <linux/kmemleak.h>
+ #include <linux/cleancache.h>
+ #include <linux/dax.h>
+#include <linux/vs_device.h>
#include <asm/uaccess.h>
#include "internal.h"
-@@ -544,6 +545,7 @@ struct block_device *bdget(dev_t dev)
+@@ -645,6 +646,7 @@ 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);
-@@ -590,6 +592,11 @@ EXPORT_SYMBOL(bdput);
+@@ -691,6 +693,11 @@ EXPORT_SYMBOL(bdput);
static struct block_device *bd_acquire(struct inode *inode)
{
struct block_device *bdev;
spin_lock(&bdev_lock);
bdev = inode->i_bdev;
-@@ -600,7 +607,7 @@ static struct block_device *bd_acquire(s
+@@ -701,7 +708,7 @@ 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-2.6.37/fs/btrfs/ctree.h linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/ctree.h
---- linux-2.6.37/fs/btrfs/ctree.h 2011-01-05 21:50:20.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/ctree.h 2011-01-05 22:30:38.000000000 +0100
-@@ -574,11 +574,14 @@ struct btrfs_inode_item {
+diff -NurpP --minimal linux-4.4.111/fs/btrfs/ctree.h linux-4.4.111-vs2.3.9.5/fs/btrfs/ctree.h
+--- linux-4.4.111/fs/btrfs/ctree.h 2018-01-11 07:57:43.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/btrfs/ctree.h 2018-01-09 16:36:24.000000000 +0000
+@@ -731,11 +731,14 @@ struct btrfs_inode_item {
/* modification sequence number for NFS */
__le64 sequence;
struct btrfs_timespec atime;
struct btrfs_timespec ctime;
struct btrfs_timespec mtime;
-@@ -1236,6 +1239,8 @@ struct btrfs_root {
- #define BTRFS_MOUNT_CLEAR_CACHE (1 << 13)
- #define BTRFS_MOUNT_USER_SUBVOL_RM_ALLOWED (1 << 14)
+@@ -2189,6 +2192,8 @@ 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_test_opt(root, opt) ((root)->fs_info->mount_opt & \
-@@ -1456,6 +1461,7 @@ BTRFS_SETGET_FUNCS(inode_block_group, st
+ #define btrfs_raw_test_opt(o, opt) ((o) & BTRFS_MOUNT_##opt)
+@@ -2528,6 +2533,7 @@ 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_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);
-@@ -1517,6 +1523,10 @@ BTRFS_SETGET_FUNCS(extent_flags, struct
+@@ -2575,6 +2581,10 @@ BTRFS_SETGET_FUNCS(extent_flags, struct
BTRFS_SETGET_FUNCS(extent_refs_v0, struct btrfs_extent_item_v0, refs, 32);
BTRFS_SETGET_FUNCS(tree_block_level, struct btrfs_tree_block_info, level, 8);
-@@ -2510,6 +2520,7 @@ extern const struct dentry_operations bt
- long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+@@ -4022,6 +4032,7 @@ 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);
-
- /* file.c */
- int btrfs_sync_file(struct file *file, int datasync);
-diff -NurpP --minimal linux-2.6.37/fs/btrfs/disk-io.c linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/disk-io.c
---- linux-2.6.37/fs/btrfs/disk-io.c 2011-01-05 21:50:20.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/disk-io.c 2011-01-05 22:30:38.000000000 +0100
-@@ -1733,6 +1733,9 @@ struct btrfs_root *open_ctree(struct sup
- goto fail_iput;
+ 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-4.4.111/fs/btrfs/disk-io.c linux-4.4.111-vs2.3.9.5/fs/btrfs/disk-io.c
+--- linux-4.4.111/fs/btrfs/disk-io.c 2018-01-11 07:57:43.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/btrfs/disk-io.c 2018-01-09 16:36:24.000000000 +0000
+@@ -2736,6 +2736,9 @@ int open_ctree(struct super_block *sb,
+ goto fail_alloc;
}
+ if (btrfs_test_opt(tree_root, TAGGED))
features = btrfs_super_incompat_flags(disk_super) &
~BTRFS_FEATURE_INCOMPAT_SUPP;
if (features) {
-diff -NurpP --minimal linux-2.6.37/fs/btrfs/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/inode.c
---- linux-2.6.37/fs/btrfs/inode.c 2011-01-05 21:50:21.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/inode.c 2011-01-05 22:30:38.000000000 +0100
-@@ -37,6 +37,8 @@
- #include <linux/posix_acl.h>
- #include <linux/falloc.h>
- #include <linux/slab.h>
+diff -NurpP --minimal linux-4.4.111/fs/btrfs/inode.c linux-4.4.111-vs2.3.9.5/fs/btrfs/inode.c
+--- linux-4.4.111/fs/btrfs/inode.c 2018-01-11 07:57:43.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/btrfs/inode.c 2018-01-09 16:36:24.000000000 +0000
+@@ -43,6 +43,7 @@
+ #include <linux/blkdev.h>
+ #include <linux/posix_acl_xattr.h>
+ #include <linux/uio.h>
+#include <linux/vs_tag.h>
-+
- #include "compat.h"
#include "ctree.h"
#include "disk-io.h"
-@@ -2440,6 +2442,8 @@ static void btrfs_read_locked_inode(stru
+ #include "transaction.h"
+@@ -3611,6 +3612,9 @@ static void btrfs_read_locked_inode(stru
+ unsigned long ptr;
int maybe_acls;
- u64 alloc_group_block;
u32 rdev;
-+ uid_t uid;
-+ gid_t gid;
++ kuid_t kuid;
++ kgid_t kgid;
++ ktag_t ktag;
int ret;
-
- path = btrfs_alloc_path();
-@@ -2456,8 +2460,13 @@ static void btrfs_read_locked_inode(stru
-
+ bool filled = false;
+ int first_xattr_slot;
+@@ -3638,8 +3642,14 @@ static void btrfs_read_locked_inode(stru
+ struct btrfs_inode_item);
inode->i_mode = btrfs_inode_mode(leaf, inode_item);
- inode->i_nlink = btrfs_inode_nlink(leaf, inode_item);
-- inode->i_uid = btrfs_inode_uid(leaf, inode_item);
-- inode->i_gid = btrfs_inode_gid(leaf, inode_item);
-+
-+ uid = btrfs_inode_uid(leaf, inode_item);
-+ gid = btrfs_inode_gid(leaf, inode_item);
-+ 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,
-+ btrfs_inode_tag(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);
-@@ -2539,8 +2548,15 @@ static void fill_inode_item(struct btrfs
- struct btrfs_inode_item *item,
+ inode->i_atime.tv_sec = btrfs_timespec_sec(leaf, &inode_item->atime);
+@@ -3795,11 +3805,18 @@ static void fill_inode_item(struct btrfs
struct inode *inode)
{
-- btrfs_set_inode_uid(leaf, item, inode->i_uid);
-- btrfs_set_inode_gid(leaf, item, 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);
-+
-+ btrfs_set_inode_uid(leaf, item, uid);
-+ btrfs_set_inode_gid(leaf, item, gid);
+ 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_inode_tag(leaf, item, inode->i_tag);
++ btrfs_set_token_inode_tag(leaf, item, i_tag_read(inode), &token);
+#endif
-+
- btrfs_set_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size);
- btrfs_set_inode_mode(leaf, item, inode->i_mode);
- btrfs_set_inode_nlink(leaf, item, inode->i_nlink);
-@@ -7228,6 +7244,7 @@ static const struct inode_operations btr
+ 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);
+@@ -10062,6 +10079,7 @@ 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,
+@@ -10070,6 +10088,7 @@ static const struct inode_operations btr
static const struct inode_operations btrfs_dir_ro_inode_operations = {
.lookup = btrfs_lookup,
-@@ -7303,6 +7320,7 @@ static const struct inode_operations btr
.permission = btrfs_permission,
- .fallocate = btrfs_fallocate,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ .set_acl = btrfs_set_acl,
+ .update_time = btrfs_update_time,
+@@ -10140,6 +10159,7 @@ static const struct inode_operations btr
+ .removexattr = btrfs_removexattr,
+ .permission = btrfs_permission,
.fiemap = btrfs_fiemap,
+ .sync_flags = btrfs_sync_flags,
- };
- static const struct inode_operations btrfs_special_inode_operations = {
- .getattr = btrfs_getattr,
-diff -NurpP --minimal linux-2.6.37/fs/btrfs/ioctl.c linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/ioctl.c
---- linux-2.6.37/fs/btrfs/ioctl.c 2011-01-05 21:50:21.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/ioctl.c 2011-01-05 22:30:39.000000000 +0100
-@@ -68,10 +68,13 @@ static unsigned int btrfs_flags_to_ioctl
+ .get_acl = btrfs_get_acl,
+ .set_acl = btrfs_set_acl,
+ .update_time = btrfs_update_time,
+diff -NurpP --minimal linux-4.4.111/fs/btrfs/ioctl.c linux-4.4.111-vs2.3.9.5/fs/btrfs/ioctl.c
+--- linux-4.4.111/fs/btrfs/ioctl.c 2018-01-11 07:57:43.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/btrfs/ioctl.c 2018-01-09 16:36:24.000000000 +0000
+@@ -108,10 +108,13 @@ static unsigned int btrfs_flags_to_ioctl
{
unsigned int iflags = 0;
if (flags & BTRFS_INODE_APPEND)
iflags |= FS_APPEND_FL;
if (flags & BTRFS_INODE_NODUMP)
-@@ -81,28 +84,78 @@ static unsigned int btrfs_flags_to_ioctl
- if (flags & BTRFS_INODE_DIRSYNC)
- iflags |= FS_DIRSYNC_FL;
+@@ -128,34 +131,84 @@ 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;
void btrfs_update_iflags(struct inode *inode)
{
struct btrfs_inode *ip = BTRFS_I(inode);
-
-- 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);
+ unsigned int new_fl = 0;
- if (ip->flags & BTRFS_INODE_SYNC)
-- inode->i_flags |= S_SYNC;
+- new_fl |= S_SYNC;
if (ip->flags & BTRFS_INODE_IMMUTABLE)
- inode->i_flags |= S_IMMUTABLE;
+ new_fl |= S_IMMUTABLE;
+ if (ip->flags & BTRFS_INODE_IXUNLINK)
-+ inode->i_flags |= S_IXUNLINK;
++ new_fl |= S_IXUNLINK;
+
+ if (ip->flags & BTRFS_INODE_SYNC)
-+ inode->i_flags |= S_SYNC;
++ new_fl |= S_SYNC;
if (ip->flags & BTRFS_INODE_APPEND)
- inode->i_flags |= S_APPEND;
+ new_fl |= S_APPEND;
if (ip->flags & BTRFS_INODE_NOATIME)
- inode->i_flags |= S_NOATIME;
+ new_fl |= S_NOATIME;
if (ip->flags & BTRFS_INODE_DIRSYNC)
- inode->i_flags |= S_DIRSYNC;
-+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
+ 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)
-+ inode->i_vflags |= V_BARRIER;
++ new_fl |= V_BARRIER;
+ if (ip->flags & BTRFS_INODE_COW)
-+ inode->i_vflags |= V_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)
+ 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.
+@@ -168,6 +221,7 @@ void btrfs_inherit_iflags(struct inode *
+ return;
- /*
-@@ -120,7 +173,7 @@ void btrfs_inherit_iflags(struct inode *
flags = BTRFS_I(dir)->flags;
++ flags &= ~BTRFS_INODE_BARRIER;
- if (S_ISREG(inode->i_mode))
-- flags &= ~BTRFS_INODE_DIRSYNC;
-+ flags &= ~(BTRFS_INODE_DIRSYNC | BTRFS_INODE_BARRIER);
- else if (!S_ISDIR(inode->i_mode))
- flags &= (BTRFS_INODE_NODUMP | BTRFS_INODE_NOATIME);
-
-@@ -128,6 +181,30 @@ void btrfs_inherit_iflags(struct inode *
+ if (flags & BTRFS_INODE_NOCOMPRESS) {
+ BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
+@@ -186,6 +240,30 @@ void btrfs_inherit_iflags(struct inode *
btrfs_update_iflags(inode);
}
+ struct btrfs_trans_handle *trans;
+ int ret;
+
-+ trans = btrfs_join_transaction(root, 1);
++ trans = btrfs_join_transaction(root);
+ BUG_ON(!trans);
+
+ inode->i_flags = flags;
+
static int btrfs_ioctl_getflags(struct file *file, void __user *arg)
{
- struct btrfs_inode *ip = BTRFS_I(file->f_path.dentry->d_inode);
-@@ -150,6 +227,7 @@ static int btrfs_ioctl_setflags(struct f
- if (copy_from_user(&flags, arg, sizeof(flags)))
- return -EFAULT;
-
-+ /* maybe add FS_IXUNLINK_FL ? */
- if (flags & ~(FS_IMMUTABLE_FL | FS_APPEND_FL | \
- FS_NOATIME_FL | FS_NODUMP_FL | \
- FS_SYNC_FL | FS_DIRSYNC_FL))
-@@ -162,7 +240,8 @@ static int btrfs_ioctl_setflags(struct f
+ struct btrfs_inode *ip = BTRFS_I(file_inode(file));
+@@ -248,21 +326,27 @@ static int btrfs_ioctl_setflags(struct f
flags = btrfs_mask_flags(inode->i_mode, flags);
oldflags = btrfs_flags_to_ioctl(ip->flags);
if (!capable(CAP_LINUX_IMMUTABLE)) {
ret = -EPERM;
goto out_unlock;
-@@ -173,14 +252,19 @@ static int btrfs_ioctl_setflags(struct f
- if (ret)
- goto out_unlock;
+ }
+ }
- if (flags & FS_SYNC_FL)
- ip->flags |= BTRFS_INODE_SYNC;
if (flags & FS_APPEND_FL)
ip->flags |= BTRFS_INODE_APPEND;
else
-diff -NurpP --minimal linux-2.6.37/fs/btrfs/super.c linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/super.c
---- linux-2.6.37/fs/btrfs/super.c 2011-01-05 21:50:21.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/btrfs/super.c 2011-01-05 23:28:17.000000000 +0100
-@@ -70,8 +70,9 @@ enum {
- Opt_nodatacow, Opt_max_inline, Opt_alloc_start, Opt_nobarrier, Opt_ssd,
- Opt_nossd, Opt_ssd_spread, Opt_thread_pool, Opt_noacl, Opt_compress,
- Opt_compress_force, Opt_notreelog, Opt_ratio, Opt_flushoncommit,
-- Opt_discard, Opt_space_cache, Opt_clear_cache, Opt_err,
-+ Opt_discard, Opt_space_cache, Opt_clear_cache,
- Opt_user_subvol_rm_allowed,
+diff -NurpP --minimal linux-4.4.111/fs/btrfs/super.c linux-4.4.111-vs2.3.9.5/fs/btrfs/super.c
+--- linux-4.4.111/fs/btrfs/super.c 2018-01-11 07:57:43.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/btrfs/super.c 2018-01-09 17:25:27.000000000 +0000
+@@ -306,7 +306,7 @@ enum {
+ #ifdef CONFIG_BTRFS_DEBUG
+ Opt_fragment_data, Opt_fragment_metadata, Opt_fragment_all,
+ #endif
+- Opt_err,
+ Opt_tag, Opt_notag, Opt_tagid, Opt_err,
};
static match_table_t tokens = {
-@@ -98,6 +99,9 @@ static match_table_t tokens = {
- {Opt_space_cache, "space_cache"},
- {Opt_clear_cache, "clear_cache"},
- {Opt_user_subvol_rm_allowed, "user_subvol_rm_allowed"},
+@@ -363,6 +363,9 @@ static match_table_t tokens = {
+ {Opt_fragment_metadata, "fragment=metadata"},
+ {Opt_fragment_all, "fragment=all"},
+ #endif
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
{Opt_err, NULL},
};
-@@ -252,6 +256,22 @@ int btrfs_parse_options(struct btrfs_roo
- case Opt_user_subvol_rm_allowed:
- btrfs_set_opt(info->mount_opt, USER_SUBVOL_RM_ALLOWED);
+@@ -745,6 +748,22 @@ int btrfs_parse_options(struct btrfs_roo
+ btrfs_set_opt(info->mount_opt, FRAGMENT_DATA);
break;
+ #endif
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
+ printk(KERN_INFO "btrfs: use tagging\n");
+ break;
+#endif
case Opt_err:
- printk(KERN_INFO "btrfs: unrecognized mount option "
- "'%s'\n", p);
-@@ -724,6 +744,12 @@ static int btrfs_remount(struct super_bl
- if (ret)
- return -EINVAL;
+ btrfs_info(root->fs_info, "unrecognized mount option '%s'", p);
+ ret = -EINVAL;
+@@ -1647,6 +1666,12 @@ 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",
+ }
+
if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
- return 0;
+ goto out;
-diff -NurpP --minimal linux-2.6.37/fs/char_dev.c linux-2.6.37-vs2.3.0.37-rc3/fs/char_dev.c
---- linux-2.6.37/fs/char_dev.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/char_dev.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/fs/char_dev.c linux-4.4.111-vs2.3.9.5/fs/char_dev.c
+--- linux-4.4.111/fs/char_dev.c 2016-07-05 04:12:30.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/char_dev.c 2018-01-09 16:36:24.000000000 +0000
@@ -21,6 +21,8 @@
#include <linux/mutex.h>
#include <linux/backing-dev.h>
#include "internal.h"
-@@ -371,14 +373,21 @@ static int chrdev_open(struct inode *ino
+@@ -350,14 +352,21 @@ 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-2.6.37/fs/dcache.c linux-2.6.37-vs2.3.0.37-rc3/fs/dcache.c
---- linux-2.6.37/fs/dcache.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/dcache.c 2010-11-23 03:34:02.000000000 +0100
-@@ -33,6 +33,7 @@
- #include <linux/bootmem.h>
- #include <linux/fs_struct.h>
- #include <linux/hardirq.h>
+diff -NurpP --minimal linux-4.4.111/fs/dcache.c linux-4.4.111-vs2.3.9.5/fs/dcache.c
+--- linux-4.4.111/fs/dcache.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/dcache.c 2018-01-09 16:36:24.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <linux/ratelimit.h>
+ #include <linux/list_lru.h>
+ #include <linux/kasan.h>
+#include <linux/vs_limit.h>
- #include "internal.h"
- int sysctl_vfs_cache_pressure __read_mostly = 100;
-@@ -236,6 +237,8 @@ repeat:
- return;
- }
+ #include "internal.h"
+ #include "mount.h"
+@@ -677,6 +678,7 @@ static inline bool fast_dput(struct dent
+ spin_lock(&dentry->d_lock);
+ if (dentry->d_lockref.count > 1) {
+ dentry->d_lockref.count--;
++ vx_dentry_dec(dentry);
+ spin_unlock(&dentry->d_lock);
+ return 1;
+ }
+@@ -806,6 +808,7 @@ repeat:
+ dentry_lru_add(dentry);
+ dentry->d_lockref.count--;
+ vx_dentry_dec(dentry);
-+
- /*
- * AV: ->d_delete() is _NOT_ allowed to block now.
- */
-@@ -330,6 +333,7 @@ static inline struct dentry * __dget_loc
+ spin_unlock(&dentry->d_lock);
+ return;
+
+@@ -823,6 +826,7 @@ EXPORT_SYMBOL(dput);
+ static inline void __dget_dlock(struct dentry *dentry)
{
- atomic_inc(&dentry->d_count);
- dentry_lru_del(dentry);
+ dentry->d_lockref.count++;
+ vx_dentry_inc(dentry);
- return dentry;
}
-@@ -940,6 +944,9 @@ struct dentry *d_alloc(struct dentry * p
+ static inline void __dget(struct dentry *dentry)
+@@ -835,6 +839,8 @@ struct dentry *dget_parent(struct dentry
+ int gotref;
+ struct dentry *ret;
+
++ vx_dentry_dec(dentry);
++
+ /*
+ * Do optimistic parent lookup without any
+ * locking.
+@@ -865,6 +871,7 @@ repeat:
+ rcu_read_unlock();
+ BUG_ON(!ret->d_lockref.count);
+ ret->d_lockref.count++;
++ vx_dentry_inc(ret);
+ spin_unlock(&ret->d_lock);
+ return ret;
+ }
+@@ -1019,6 +1026,7 @@ static void shrink_dentry_list(struct li
+ parent = lock_parent(dentry);
+ if (dentry->d_lockref.count != 1) {
+ dentry->d_lockref.count--;
++ vx_dentry_dec(dentry);
+ spin_unlock(&dentry->d_lock);
+ if (parent)
+ spin_unlock(&parent->d_lock);
+@@ -1581,6 +1589,9 @@ struct dentry *__d_alloc(struct super_bl
struct dentry *dentry;
char *dname;
dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL);
if (!dentry)
return NULL;
-@@ -961,6 +968,7 @@ struct dentry *d_alloc(struct dentry * p
- dname[name->len] = 0;
+@@ -1619,6 +1630,7 @@ struct dentry *__d_alloc(struct super_bl
- atomic_set(&dentry->d_count, 1);
+ dentry->d_lockref.count = 1;
+ dentry->d_flags = 0;
+ vx_dentry_inc(dentry);
- dentry->d_flags = DCACHE_UNHASHED;
spin_lock_init(&dentry->d_lock);
+ seqcount_init(&dentry->d_seq);
dentry->d_inode = NULL;
-@@ -1445,6 +1453,7 @@ struct dentry * __d_lookup(struct dentry
+@@ -2355,6 +2367,7 @@ 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-2.6.37/fs/devpts/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/devpts/inode.c
---- linux-2.6.37/fs/devpts/inode.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/devpts/inode.c 2010-11-23 02:09:41.000000000 +0100
-@@ -25,6 +25,7 @@
+@@ -3371,6 +3384,7 @@ static enum d_walk_ret d_genocide_kill(v
+ if (!(dentry->d_flags & DCACHE_GENOCIDE)) {
+ dentry->d_flags |= DCACHE_GENOCIDE;
+ dentry->d_lockref.count--;
++ vx_dentry_dec(dentry);
+ }
+ }
+ return D_WALK_CONTINUE;
+diff -NurpP --minimal linux-4.4.111/fs/devpts/inode.c linux-4.4.111-vs2.3.9.5/fs/devpts/inode.c
+--- linux-4.4.111/fs/devpts/inode.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/devpts/inode.c 2018-01-09 16:36:24.000000000 +0000
+@@ -27,6 +27,7 @@
#include <linux/parser.h>
#include <linux/fsnotify.h>
#include <linux/seq_file.h>
#define DEVPTS_DEFAULT_MODE 0600
/*
-@@ -36,6 +37,20 @@
+@@ -38,6 +39,21 @@
#define DEVPTS_DEFAULT_PTMX_MODE 0000
#define PTMX_MINOR 2
+ 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_MUTEX(allocated_ptys_lock);
-
-@@ -263,6 +278,25 @@ 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.
+@@ -353,6 +369,34 @@ 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,
-@@ -302,12 +336,15 @@ devpts_fill_super(struct super_block *s,
- inode = new_inode(s);
- if (!inode)
- goto free_fsi;
-+
- inode->i_ino = 1;
+@@ -397,8 +441,10 @@ 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());
- s->s_root = d_alloc_root(inode);
+ s->s_root = d_make_root(inode);
if (s->s_root)
-@@ -493,6 +530,9 @@ int devpts_pty_new(struct inode *ptmx_in
+@@ -630,6 +676,9 @@ struct inode *devpts_pty_new(struct pts_
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|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;
- tty->driver_data = inode;
+ inode->i_private = priv;
-diff -NurpP --minimal linux-2.6.37/fs/ext2/balloc.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/balloc.c
---- linux-2.6.37/fs/ext2/balloc.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/balloc.c 2010-11-23 02:09:41.000000000 +0100
-@@ -701,7 +701,6 @@ ext2_try_to_allocate(struct super_block
+ sprintf(s, "%d", index);
+diff -NurpP --minimal linux-4.4.111/fs/ext2/balloc.c linux-4.4.111-vs2.3.9.5/fs/ext2/balloc.c
+--- linux-4.4.111/fs/ext2/balloc.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext2/balloc.c 2018-01-09 16:36:24.000000000 +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:
-diff -NurpP --minimal linux-2.6.37/fs/ext2/ext2.h linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/ext2.h
---- linux-2.6.37/fs/ext2/ext2.h 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/ext2.h 2010-11-23 02:09:41.000000000 +0100
-@@ -126,6 +126,7 @@ extern void ext2_set_inode_flags(struct
+diff -NurpP --minimal linux-4.4.111/fs/ext2/ext2.h linux-4.4.111-vs2.3.9.5/fs/ext2/ext2.h
+--- linux-4.4.111/fs/ext2/ext2.h 2016-07-05 04:15:07.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext2/ext2.h 2018-01-09 16:36:24.000000000 +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 */
+
++#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
+
+ /*
+@@ -389,6 +395,7 @@ struct ext2_inode {
+ #else
+ #define EXT2_MOUNT_DAX 0
+ #endif
++#define EXT2_MOUNT_TAGGED 0x200000 /* Enable Context Tags */
+
+
+ #define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt
+@@ -776,6 +783,7 @@ 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);
/* ioctl.c */
extern long ext2_ioctl(struct file *, unsigned int, unsigned long);
-diff -NurpP --minimal linux-2.6.37/fs/ext2/file.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/file.c
---- linux-2.6.37/fs/ext2/file.c 2010-08-02 16:52:48.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/file.c 2010-11-23 02:09:41.000000000 +0100
-@@ -104,4 +104,5 @@ const struct inode_operations ext2_file_
- .setattr = ext2_setattr,
- .check_acl = ext2_check_acl,
+diff -NurpP --minimal linux-4.4.111/fs/ext2/file.c linux-4.4.111-vs2.3.9.5/fs/ext2/file.c
+--- linux-4.4.111/fs/ext2/file.c 2016-07-05 04:15:07.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext2/file.c 2018-01-09 16:36:24.000000000 +0000
+@@ -202,4 +202,5 @@ 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-2.6.37/fs/ext2/ialloc.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/ialloc.c
---- linux-2.6.37/fs/ext2/ialloc.c 2010-10-21 13:07:48.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/ialloc.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/fs/ext2/ialloc.c linux-4.4.111-vs2.3.9.5/fs/ext2/ialloc.c
+--- linux-4.4.111/fs/ext2/ialloc.c 2016-07-05 04:12:30.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext2/ialloc.c 2018-01-09 16:36:24.000000000 +0000
@@ -17,6 +17,7 @@
#include <linux/backing-dev.h>
#include <linux/buffer_head.h>
#include "ext2.h"
#include "xattr.h"
#include "acl.h"
-@@ -548,6 +549,7 @@ got:
+@@ -546,6 +547,7 @@ got:
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = dir->i_gid;
-+ inode->i_tag = dx_current_fstag(sb);
++ i_tag_write(inode, dx_current_fstag(sb));
} else
inode_init_owner(inode, dir, mode);
-diff -NurpP --minimal linux-2.6.37/fs/ext2/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/inode.c
---- linux-2.6.37/fs/ext2/inode.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/inode.c 2010-11-23 02:09:41.000000000 +0100
-@@ -32,6 +32,7 @@
- #include <linux/mpage.h>
+diff -NurpP --minimal linux-4.4.111/fs/ext2/inode.c linux-4.4.111-vs2.3.9.5/fs/ext2/inode.c
+--- linux-4.4.111/fs/ext2/inode.c 2016-07-05 04:15:07.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext2/inode.c 2018-01-09 16:36:24.000000000 +0000
+@@ -33,6 +33,7 @@
#include <linux/fiemap.h>
#include <linux/namei.h>
+ #include <linux/uio.h>
+#include <linux/vs_tag.h>
#include "ext2.h"
#include "acl.h"
- #include "xip.h"
-@@ -1169,7 +1170,7 @@ static void ext2_truncate_blocks(struct
+ #include "xattr.h"
+@@ -1188,7 +1189,7 @@ 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;
- __ext2_truncate_blocks(inode, offset);
- }
-@@ -1258,36 +1259,61 @@ void ext2_set_inode_flags(struct inode *
+
+ dax_sem_down_write(EXT2_I(inode));
+@@ -1284,39 +1285,62 @@ void ext2_set_inode_flags(struct inode *
{
unsigned int flags = EXT2_I(inode)->i_flags;
-- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
-+ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
+- inode->i_flags &= ~(S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME |
+- S_DIRSYNC | S_DAX);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK | S_DAX |
+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
-+
+ if (flags & EXT2_IMMUTABLE_FL)
+ inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT2_IXUNLINK_FL)
inode->i_flags |= S_NOATIME;
if (flags & EXT2_DIRSYNC_FL)
inode->i_flags |= S_DIRSYNC;
+ if (test_opt(inode->i_sb, DAX))
+ inode->i_flags |= S_DAX;
+
+ inode->i_vflags &= ~(V_BARRIER | V_COW);
+
}
struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
-@@ -1297,6 +1323,8 @@ 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);
-@@ -1315,12 +1343,17 @@ 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;
+@@ -1352,8 +1376,10 @@ 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);
-@@ -1418,8 +1451,8 @@ static int __ext2_write_inode(struct ino
+@@ -1449,8 +1475,10 @@ 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;
-@@ -1455,6 +1488,9 @@ static int __ext2_write_inode(struct ino
+@@ -1486,6 +1514,9 @@ 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);
-@@ -1535,7 +1571,8 @@ int ext2_setattr(struct dentry *dentry,
- if (is_quota_modification(inode, iattr))
- dquot_initialize(inode);
- 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)) {
+@@ -1569,7 +1600,8 @@ int ext2_setattr(struct dentry *dentry,
+ return error;
+ }
+ 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-2.6.37/fs/ext2/ioctl.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/ioctl.c
---- linux-2.6.37/fs/ext2/ioctl.c 2009-09-10 15:26:21.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/ioctl.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/fs/ext2/ioctl.c linux-4.4.111-vs2.3.9.5/fs/ext2/ioctl.c
+--- linux-4.4.111/fs/ext2/ioctl.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext2/ioctl.c 2018-01-09 16:36:24.000000000 +0000
@@ -17,6 +17,16 @@
#include <asm/uaccess.h>
+
long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
- struct inode *inode = filp->f_dentry->d_inode;
+ 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);
+ flags &= EXT2_FL_USER_MODIFIABLE;
flags |= oldflags & ~EXT2_FL_USER_MODIFIABLE;
ei->i_flags = flags;
- mutex_unlock(&inode->i_mutex);
-diff -NurpP --minimal linux-2.6.37/fs/ext2/namei.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/namei.c
---- linux-2.6.37/fs/ext2/namei.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/namei.c 2010-11-23 02:09:41.000000000 +0100
+
+diff -NurpP --minimal linux-4.4.111/fs/ext2/namei.c linux-4.4.111-vs2.3.9.5/fs/ext2/namei.c
+--- linux-4.4.111/fs/ext2/namei.c 2016-07-05 04:15:07.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext2/namei.c 2018-01-09 16:36:24.000000000 +0000
@@ -32,6 +32,7 @@
#include <linux/pagemap.h>
#include "ext2.h"
#include "xattr.h"
#include "acl.h"
-@@ -75,6 +76,7 @@ static struct dentry *ext2_lookup(struct
- return ERR_PTR(-EIO);
- } else {
- return ERR_CAST(inode);
-+ dx_propagate_tag(nd, inode);
- }
+@@ -72,6 +73,7 @@ static struct dentry *ext2_lookup(struct
+ (unsigned long) ino);
+ return ERR_PTR(-EIO);
}
++ dx_propagate_tag(nd, inode);
}
-@@ -418,6 +420,7 @@ const struct inode_operations ext2_dir_i
+ return d_splice_alias(inode, dentry);
+ }
+@@ -446,6 +448,7 @@ const struct inode_operations ext2_speci
+ .removexattr = generic_removexattr,
#endif
.setattr = ext2_setattr,
- .check_acl = ext2_check_acl,
+ .sync_flags = ext2_sync_flags,
+ .get_acl = ext2_get_acl,
+ .set_acl = ext2_set_acl,
};
-
- const struct inode_operations ext2_special_inode_operations = {
-diff -NurpP --minimal linux-2.6.37/fs/ext2/super.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/super.c
---- linux-2.6.37/fs/ext2/super.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext2/super.c 2010-11-23 02:09:41.000000000 +0100
-@@ -378,7 +378,8 @@ enum {
+diff -NurpP --minimal linux-4.4.111/fs/ext2/super.c linux-4.4.111-vs2.3.9.5/fs/ext2/super.c
+--- linux-4.4.111/fs/ext2/super.c 2016-07-05 04:15:07.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext2/super.c 2018-01-09 16:36:24.000000000 +0000
+@@ -408,7 +408,8 @@ 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_acl, Opt_noacl, Opt_xip, Opt_dax, Opt_ignore, Opt_err, Opt_quota,
- Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation
+ Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation,
+ Opt_tag, Opt_notag, Opt_tagid
};
static const match_table_t tokens = {
-@@ -406,6 +407,9 @@ static const match_table_t tokens = {
+@@ -436,6 +437,9 @@ static const match_table_t tokens = {
{Opt_acl, "acl"},
{Opt_noacl, "noacl"},
{Opt_xip, "xip"},
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
+ {Opt_dax, "dax"},
{Opt_grpquota, "grpquota"},
{Opt_ignore, "noquota"},
- {Opt_quota, "quota"},
-@@ -476,6 +480,20 @@ static int parse_options(char *options,
+@@ -520,6 +524,20 @@ 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;
-@@ -834,6 +852,8 @@ static int ext2_fill_super(struct super_
+@@ -884,6 +902,8 @@ static int ext2_fill_super(struct super_
if (!parse_options((char *) data, sb))
goto failed_mount;
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ?
MS_POSIXACL : 0);
-@@ -1207,6 +1227,14 @@ static int ext2_remount (struct super_bl
+@@ -1294,6 +1314,14 @@ 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",
+ 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-4.4.111/fs/ext4/ext4.h linux-4.4.111-vs2.3.9.5/fs/ext4/ext4.h
+--- linux-4.4.111/fs/ext4/ext4.h 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext4/ext4.h 2018-01-09 17:33:10.000000000 +0000
+@@ -375,8 +375,11 @@ struct flex_groups {
+ #define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
+ #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_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
++#define EXT4_COW_FL 0x40000000 /* Copy on Write marker */
+ #define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
-diff -NurpP --minimal linux-2.6.37/fs/ext3/file.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/file.c
---- linux-2.6.37/fs/ext3/file.c 2010-07-07 18:31:51.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/file.c 2010-11-23 02:09:41.000000000 +0100
-@@ -81,5 +81,6 @@ const struct inode_operations ext3_file_
- #endif
- .check_acl = ext3_check_acl,
- .fiemap = ext3_fiemap,
-+ .sync_flags = ext3_sync_flags,
+ #define EXT4_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */
+@@ -674,7 +677,7 @@ 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 */
+@@ -831,6 +834,7 @@ 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
+
+ #elif defined(__GNU__)
+@@ -1068,6 +1072,7 @@ 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 */
+@@ -2501,6 +2506,7 @@ extern int ext4_punch_hole(struct inode
+ extern int ext4_truncate_restart_trans(handle_t *, struct inode *, int nblocks);
+ extern void ext4_set_inode_flags(struct inode *);
+ extern void ext4_get_inode_flags(struct ext4_inode_info *);
++extern int ext4_sync_flags(struct inode *, int, int);
+ extern int ext4_alloc_da_blocks(struct inode *inode);
+ extern void ext4_set_aops(struct inode *inode);
+ extern int ext4_writepage_trans_blocks(struct inode *);
+diff -NurpP --minimal linux-4.4.111/fs/ext4/file.c linux-4.4.111-vs2.3.9.5/fs/ext4/file.c
+--- linux-4.4.111/fs/ext4/file.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext4/file.c 2018-01-09 16:36:31.000000000 +0000
+@@ -749,5 +749,6 @@ 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-2.6.37/fs/ext3/ialloc.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/ialloc.c
---- linux-2.6.37/fs/ext3/ialloc.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/ialloc.c 2010-11-23 02:09:41.000000000 +0100
-@@ -23,6 +23,7 @@
- #include <linux/buffer_head.h>
+diff -NurpP --minimal linux-4.4.111/fs/ext4/ialloc.c linux-4.4.111-vs2.3.9.5/fs/ext4/ialloc.c
+--- linux-4.4.111/fs/ext4/ialloc.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext4/ialloc.c 2018-01-09 16:36:31.000000000 +0000
+@@ -21,6 +21,7 @@
#include <linux/random.h>
#include <linux/bitops.h>
+ #include <linux/blkdev.h>
+#include <linux/vs_tag.h>
-
#include <asm/byteorder.h>
-@@ -531,6 +532,7 @@ got:
+ #include "ext4.h"
+@@ -799,6 +800,7 @@ struct inode *__ext4_new_inode(handle_t
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = dir->i_gid;
-+ inode->i_tag = dx_current_fstag(sb);
++ i_tag_write(inode, dx_current_fstag(sb));
} else
inode_init_owner(inode, dir, mode);
-
-diff -NurpP --minimal linux-2.6.37/fs/ext3/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/inode.c
---- linux-2.6.37/fs/ext3/inode.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/inode.c 2010-11-23 02:09:41.000000000 +0100
-@@ -38,6 +38,7 @@
- #include <linux/bio.h>
- #include <linux/fiemap.h>
- #include <linux/namei.h>
+ err = dquot_initialize(inode);
+diff -NurpP --minimal linux-4.4.111/fs/ext4/inode.c linux-4.4.111-vs2.3.9.5/fs/ext4/inode.c
+--- linux-4.4.111/fs/ext4/inode.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext4/inode.c 2018-01-09 16:36:31.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/printk.h>
+ #include <linux/slab.h>
+ #include <linux/bitops.h>
+#include <linux/vs_tag.h>
- #include "xattr.h"
- #include "acl.h"
-@@ -2392,7 +2393,7 @@ 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;
-@@ -2776,36 +2777,60 @@ void ext3_set_inode_flags(struct inode *
- {
- unsigned int flags = EXT3_I(inode)->i_flags;
+ #include "ext4_jbd2.h"
+ #include "xattr.h"
+@@ -4128,12 +4129,15 @@ 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 & EXT3_IMMUTABLE_FL)
-+ inode->i_flags |= S_IMMUTABLE;
-+ if (flags & EXT3_IXUNLINK_FL)
-+ inode->i_flags |= S_IXUNLINK;
++ if (flags & EXT4_IMMUTABLE_FL)
++ new_fl |= S_IMMUTABLE;
++ if (flags & EXT4_IXUNLINK_FL)
++ new_fl |= S_IXUNLINK;
+
- if (flags & EXT3_SYNC_FL)
- inode->i_flags |= S_SYNC;
- if (flags & EXT3_APPEND_FL)
- inode->i_flags |= S_APPEND;
-- if (flags & EXT3_IMMUTABLE_FL)
-- inode->i_flags |= S_IMMUTABLE;
- if (flags & EXT3_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
- if (flags & EXT3_DIRSYNC_FL)
- inode->i_flags |= S_DIRSYNC;
+ if (flags & EXT4_SYNC_FL)
+ new_fl |= S_SYNC;
+ if (flags & EXT4_APPEND_FL)
+ new_fl |= S_APPEND;
+- if (flags & EXT4_IMMUTABLE_FL)
+- new_fl |= S_IMMUTABLE;
+ if (flags & EXT4_NOATIME_FL)
+ new_fl |= S_NOATIME;
+ if (flags & EXT4_DIRSYNC_FL)
+@@ -4141,31 +4145,52 @@ void ext4_set_inode_flags(struct inode *
+ if (test_opt(inode->i_sb, DAX))
+ new_fl |= S_DAX;
+ inode_set_flags(inode, new_fl,
+- S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_DAX);
++ S_IXUNLINK | S_IMMUTABLE | S_DAX |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
++ new_fl = 0;
++ if (flags & EXT4_BARRIER_FL)
++ new_fl |= V_BARRIER;
++ if (flags & EXT4_COW_FL)
++ new_fl |= V_COW;
+
-+ if (flags & EXT3_BARRIER_FL)
-+ inode->i_vflags |= V_BARRIER;
-+ if (flags & EXT3_COW_FL)
-+ inode->i_vflags |= V_COW;
++ set_mask_bits(&inode->i_vflags,
++ V_BARRIER | V_COW, new_fl);
}
- /* Propagate flags from i_flags to EXT3_I(inode)->i_flags */
- void ext3_get_inode_flags(struct ext3_inode_info *ei)
+ /* 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;
+- unsigned int vfs_fl;
++ unsigned int vfs_fl, vfs_vf;
+ unsigned long old_fl, new_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);
+
-+ ei->i_flags &= ~(EXT3_SYNC_FL | EXT3_APPEND_FL |
-+ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL |
-+ EXT3_NOATIME_FL | EXT3_DIRSYNC_FL |
-+ EXT3_BARRIER_FL | EXT3_COW_FL);
++ if (vfs_fl & S_IMMUTABLE)
++ new_fl |= EXT4_IMMUTABLE_FL;
++ if (vfs_fl & S_IXUNLINK)
++ new_fl |= EXT4_IXUNLINK_FL;
+
-+ if (flags & S_IMMUTABLE)
-+ ei->i_flags |= EXT3_IMMUTABLE_FL;
-+ if (flags & S_IXUNLINK)
-+ ei->i_flags |= EXT3_IXUNLINK_FL;
-
-- ei->i_flags &= ~(EXT3_SYNC_FL|EXT3_APPEND_FL|
-- EXT3_IMMUTABLE_FL|EXT3_NOATIME_FL|EXT3_DIRSYNC_FL);
- if (flags & S_SYNC)
- ei->i_flags |= EXT3_SYNC_FL;
- if (flags & S_APPEND)
- ei->i_flags |= EXT3_APPEND_FL;
-- if (flags & S_IMMUTABLE)
-- ei->i_flags |= EXT3_IMMUTABLE_FL;
- if (flags & S_NOATIME)
- ei->i_flags |= EXT3_NOATIME_FL;
- if (flags & S_DIRSYNC)
- ei->i_flags |= EXT3_DIRSYNC_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 (vflags & V_BARRIER)
-+ ei->i_flags |= EXT3_BARRIER_FL;
-+ if (vflags & V_COW)
-+ ei->i_flags |= EXT3_COW_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);
}
- struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
-@@ -2819,6 +2844,8 @@ struct inode *ext3_iget(struct super_blo
- transaction_t *transaction;
- long ret;
- int block;
-+ uid_t uid;
-+ gid_t gid;
-
- inode = iget_locked(sb, ino);
- if (!inode)
-@@ -2835,12 +2862,17 @@ 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;
+@@ -4269,8 +4294,10 @@ 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);
- inode->i_size = le32_to_cpu(raw_inode->i_size);
- inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
-@@ -2995,6 +3027,8 @@ 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;
-
- again:
-@@ -3009,29 +3043,32 @@ again:
- ext3_get_inode_flags(ei);
+- 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 */
+@@ -4583,8 +4610,10 @@ 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));
+@@ -4607,6 +4636,9 @@ 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);
- raw_inode->i_size = cpu_to_le32(ei->i_disksize);
- raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
-@@ -3191,7 +3228,8 @@ int ext3_setattr(struct dentry *dentry,
- if (is_quota_modification(inode, attr))
- dquot_initialize(inode);
- 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)) {
+
+ EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode);
+@@ -4852,7 +4884,8 @@ int ext4_setattr(struct dentry *dentry,
+ return error;
+ }
+ 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,
-@@ -3213,6 +3251,8 @@ int ext3_setattr(struct dentry *dentry,
+@@ -4875,6 +4908,8 @@ int ext4_setattr(struct dentry *dentry,
inode->i_uid = attr->ia_uid;
if (attr->ia_valid & ATTR_GID)
inode->i_gid = attr->ia_gid;
+ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
+ inode->i_tag = attr->ia_tag;
- error = ext3_mark_inode_dirty(handle, inode);
- ext3_journal_stop(handle);
+ error = ext4_mark_inode_dirty(handle, inode);
+ ext4_journal_stop(handle);
}
-diff -NurpP --minimal linux-2.6.37/fs/ext3/ioctl.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/ioctl.c
---- linux-2.6.37/fs/ext3/ioctl.c 2009-06-11 17:13:03.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/ioctl.c 2010-11-23 02:09:41.000000000 +0100
-@@ -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>
-@@ -17,6 +18,34 @@
- #include <linux/compat.h>
+diff -NurpP --minimal linux-4.4.111/fs/ext4/ioctl.c linux-4.4.111-vs2.3.9.5/fs/ext4/ioctl.c
+--- linux-4.4.111/fs/ext4/ioctl.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext4/ioctl.c 2018-01-09 16:36:31.000000000 +0000
+@@ -14,6 +14,7 @@
+ #include <linux/mount.h>
+ #include <linux/file.h>
+ #include <linux/random.h>
++#include <linux/vs_tag.h>
#include <asm/uaccess.h>
+ #include "ext4_jbd2.h"
+ #include "ext4.h"
+@@ -202,6 +203,33 @@ static int uuid_is_zero(__u8 u[16])
+ return 1;
+ }
-+
-+int ext3_sync_flags(struct inode *inode, int flags, int vflags)
++int ext4_sync_flags(struct inode *inode, int flags, int vflags)
+{
+ handle_t *handle = NULL;
-+ struct ext3_iloc iloc;
++ struct ext4_iloc iloc;
+ int err;
+
-+ handle = ext3_journal_start(inode, 1);
++ handle = ext4_journal_start(inode, EXT4_HT_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);
++ 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;
-+ ext3_get_inode_flags(EXT3_I(inode));
-+ inode->i_ctime = CURRENT_TIME_SEC;
++ ext4_get_inode_flags(EXT4_I(inode));
++ inode->i_ctime = ext4_current_time(inode);
+
-+ err = ext3_mark_iloc_dirty(handle, inode, &iloc);
++ err = ext4_mark_iloc_dirty(handle, inode, &iloc);
+flags_err:
-+ ext3_journal_stop(handle);
++ ext4_journal_stop(handle);
+ return err;
+}
+
- long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
- struct inode *inode = filp->f_dentry->d_inode;
-@@ -50,6 +79,11 @@ long ext3_ioctl(struct file *filp, unsig
+ struct inode *inode = file_inode(filp);
+@@ -235,6 +263,11 @@ long ext4_ioctl(struct file *filp, unsig
- flags = ext3_mask_flags(inode->i_mode, flags);
+ flags = ext4_mask_flags(inode->i_mode, flags);
+ if (IS_BARRIER(inode)) {
+ vxwprintk_task(1, "messing with the barrier.");
+ return -EACCES;
+ }
+
+ err = -EPERM;
mutex_lock(&inode->i_mutex);
-
/* Is it quota file? Do not allow user to mess with it */
-@@ -68,7 +102,9 @@ long ext3_ioctl(struct file *filp, unsig
+@@ -252,7 +285,9 @@ long ext4_ioctl(struct file *filp, unsig
*
* This test looks nicer. Thanks to Pauline Middelink
*/
-- if ((flags ^ oldflags) & (EXT3_APPEND_FL | EXT3_IMMUTABLE_FL)) {
-+ if ((oldflags & EXT3_IMMUTABLE_FL) ||
-+ ((flags ^ oldflags) & (EXT3_APPEND_FL |
-+ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL))) {
+- if ((flags ^ oldflags) & (EXT4_APPEND_FL | EXT4_IMMUTABLE_FL)) {
++ if ((oldflags & EXT4_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT4_APPEND_FL |
++ EXT4_IMMUTABLE_FL | EXT4_IXUNLINK_FL))) {
if (!capable(CAP_LINUX_IMMUTABLE))
goto flags_out;
}
-@@ -93,7 +129,7 @@ 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-2.6.37/fs/ext3/namei.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/namei.c
---- linux-2.6.37/fs/ext3/namei.c 2011-01-05 21:50:22.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/namei.c 2010-11-23 02:09:41.000000000 +0100
-@@ -36,6 +36,7 @@
+diff -NurpP --minimal linux-4.4.111/fs/ext4/namei.c linux-4.4.111-vs2.3.9.5/fs/ext4/namei.c
+--- linux-4.4.111/fs/ext4/namei.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext4/namei.c 2018-01-09 16:36:31.000000000 +0000
+@@ -33,6 +33,7 @@
#include <linux/quotaops.h>
#include <linux/buffer_head.h>
#include <linux/bio.h>
+#include <linux/vs_tag.h>
+ #include "ext4.h"
+ #include "ext4_jbd2.h"
- #include "namei.h"
- #include "xattr.h"
-@@ -912,6 +913,7 @@ restart:
- if (bh)
- ll_rw_block(READ_META, 1, &bh);
+@@ -1444,6 +1445,7 @@ 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;
-@@ -2465,6 +2467,7 @@ const struct inode_operations ext3_dir_i
- .removexattr = generic_removexattr,
- #endif
- .check_acl = ext3_check_acl,
-+ .sync_flags = ext3_sync_flags,
+@@ -3881,6 +3883,7 @@ 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 ext3_special_inode_operations = {
-diff -NurpP --minimal linux-2.6.37/fs/ext3/super.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/super.c
---- linux-2.6.37/fs/ext3/super.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext3/super.c 2010-11-23 02:09:41.000000000 +0100
-@@ -796,7 +796,8 @@ enum {
- Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
- 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,
+ const struct inode_operations ext4_special_inode_operations = {
+diff -NurpP --minimal linux-4.4.111/fs/ext4/super.c linux-4.4.111-vs2.3.9.5/fs/ext4/super.c
+--- linux-4.4.111/fs/ext4/super.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ext4/super.c 2018-01-09 16:36:32.000000000 +0000
+@@ -1165,6 +1165,7 @@ enum {
+ Opt_dioread_nolock, Opt_dioread_lock,
+ Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
+ Opt_max_dir_size_kb, Opt_nojournal_checksum,
+ Opt_tag, Opt_notag, Opt_tagid
};
static const match_table_t tokens = {
-@@ -853,6 +854,9 @@ static const match_table_t tokens = {
- {Opt_barrier, "barrier"},
- {Opt_nobarrier, "nobarrier"},
- {Opt_resize, "resize"},
+@@ -1250,6 +1251,9 @@ 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},
};
-@@ -1005,6 +1009,20 @@ static int parse_options (char *options,
- case Opt_nouid32:
- set_opt (sbi->s_mount_opt, NO_UID32);
- break;
+@@ -1492,6 +1496,20 @@ static int handle_mount_opt(struct super
+ case Opt_nolazytime:
+ sb->s_flags &= ~MS_LAZYTIME;
+ 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;
-@@ -1691,6 +1709,9 @@ static int ext3_fill_super (struct super
- NULL, 0))
- goto failed_mount;
+ }
+
+ for (m = ext4_mount_opts; m->token != Opt_err; m++)
+@@ -3379,6 +3397,9 @@ static int ext4_fill_super(struct super_
+ sb->s_iflags |= SB_I_CGROUPWB;
+ }
-+ if (EXT3_SB(sb)->s_mount_opt & EXT3_MOUNT_TAGGED)
++ if (EXT4_SB(sb)->s_mount_opt & EXT4_MOUNT_TAGGED)
+ sb->s_flags |= MS_TAGGED;
+
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-@@ -2575,6 +2596,14 @@ static int ext3_remount (struct super_bl
- if (test_opt(sb, ABORT))
- ext3_abort(sb, __func__, "Abort forced by user");
+@@ -4727,6 +4748,14 @@ 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 & EXT3_MOUNT_TAGGED) &&
++ if ((sbi->s_mount_opt & EXT4_MOUNT_TAGGED) &&
+ !(sb->s_flags & MS_TAGGED)) {
-+ printk("EXT3-fs: %s: tagging not permitted on remount.\n",
++ printk("EXT4-fs: %s: tagging not permitted on remount.\n",
+ sb->s_id);
+ err = -EINVAL;
+ goto restore_opts;
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-diff -NurpP --minimal linux-2.6.37/fs/ext4/ext4.h linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/ext4.h
---- linux-2.6.37/fs/ext4/ext4.h 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/ext4.h 2011-01-05 22:32:19.000000000 +0100
-@@ -347,8 +347,12 @@ struct flex_groups {
- #define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
- #define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
- #define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
-+#define EXT4_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
- #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 0x004BDFFF /* User visible flags */
- #define EXT4_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */
+diff -NurpP --minimal linux-4.4.111/fs/fcntl.c linux-4.4.111-vs2.3.9.5/fs/fcntl.c
+--- linux-4.4.111/fs/fcntl.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/fcntl.c 2018-01-09 16:36:32.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/pid_namespace.h>
+ #include <linux/user_namespace.h>
+ #include <linux/shmem_fs.h>
++#include <linux/vs_limit.h>
-@@ -617,7 +621,8 @@ struct ext4_inode {
- __le16 l_i_file_acl_high;
- __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 {
- __le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
-@@ -731,6 +736,7 @@ 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_reserved2 osd2.linux2.l_i_reserved2
+ #include <asm/poll.h>
+ #include <asm/siginfo.h>
+@@ -385,6 +386,8 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, f
- #elif defined(__GNU__)
-@@ -903,6 +909,7 @@ 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 */
-@@ -2054,6 +2061,7 @@ extern int ext4_map_blocks(handle_t *han
- struct ext4_map_blocks *map, int flags);
- extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
- __u64 start, __u64 len);
-+extern int ext4_sync_flags(struct inode *, int, int);
- /* move_extent.c */
- extern int ext4_move_extents(struct file *o_filp, struct file *d_filp,
- __u64 start_orig, __u64 start_donor,
-diff -NurpP --minimal linux-2.6.37/fs/ext4/file.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/file.c
---- linux-2.6.37/fs/ext4/file.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/file.c 2010-11-23 02:09:41.000000000 +0100
-@@ -203,5 +203,6 @@ const struct inode_operations ext4_file_
- .check_acl = ext4_check_acl,
- .fallocate = ext4_fallocate,
- .fiemap = ext4_fiemap,
-+ .sync_flags = ext4_sync_flags,
- };
+ if (!f.file)
+ goto out;
++ if (!vx_files_avail(1))
++ goto out;
-diff -NurpP --minimal linux-2.6.37/fs/ext4/ialloc.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/ialloc.c
---- linux-2.6.37/fs/ext4/ialloc.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/ialloc.c 2010-11-23 02:09:41.000000000 +0100
+ if (unlikely(f.file->f_mode & FMODE_PATH)) {
+ if (!check_fcntl_cmd(cmd))
+diff -NurpP --minimal linux-4.4.111/fs/file.c linux-4.4.111-vs2.3.9.5/fs/file.c
+--- linux-4.4.111/fs/file.c 2016-07-05 04:15:07.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/file.c 2018-01-09 16:36:32.000000000 +0000
@@ -22,6 +22,7 @@
- #include <linux/random.h>
- #include <linux/bitops.h>
- #include <linux/blkdev.h>
-+#include <linux/vs_tag.h>
- #include <asm/byteorder.h>
+ #include <linux/spinlock.h>
+ #include <linux/rcupdate.h>
+ #include <linux/workqueue.h>
++#include <linux/vs_limit.h>
- #include "ext4.h"
-@@ -991,6 +992,7 @@ got:
- inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = dir->i_gid;
-+ inode->i_tag = dx_current_fstag(sb);
- } else
- inode_init_owner(inode, dir, mode);
+ int sysctl_nr_open __read_mostly = 1024*1024;
+ int sysctl_nr_open_min = BITS_PER_LONG;
+@@ -356,6 +357,8 @@ struct files_struct *dup_fd(struct files
+ struct file *f = *old_fds++;
+ if (f) {
+ get_file(f);
++ /* TODO: sum it first for check and performance */
++ vx_openfd_inc(open_files - i);
+ } else {
+ /*
+ * The fd may be claimed in the fd bitmap but not yet
+@@ -405,9 +408,11 @@ static struct fdtable *close_files(struc
+ filp_close(file, files);
+ cond_resched_rcu_qs();
+ }
++ vx_openfd_dec(i);
+ }
+ i++;
+ set >>= 1;
++ cond_resched();
+ }
+ }
-diff -NurpP --minimal linux-2.6.37/fs/ext4/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/inode.c
---- linux-2.6.37/fs/ext4/inode.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/inode.c 2011-01-05 22:30:39.000000000 +0100
-@@ -40,6 +40,7 @@
- #include <linux/workqueue.h>
- #include <linux/kernel.h>
- #include <linux/slab.h>
-+#include <linux/vs_tag.h>
+@@ -538,6 +543,7 @@ repeat:
+ else
+ __clear_close_on_exec(fd, fdt);
+ error = fd;
++ vx_openfd_inc(fd);
+ #if 1
+ /* Sanity check */
+ if (rcu_access_pointer(fdt->fd[fd]) != NULL) {
+@@ -568,6 +574,7 @@ 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);
+ }
- #include "ext4_jbd2.h"
- #include "xattr.h"
-@@ -4415,7 +4416,7 @@ static void ext4_free_branches(handle_t
+ void put_unused_fd(unsigned int fd)
+@@ -850,6 +857,8 @@ __releases(&files->file_lock)
+
+ if (tofree)
+ filp_close(tofree, files);
++ else
++ vx_openfd_inc(fd); /* fd was unused */
+
+ return fd;
+
+diff -NurpP --minimal linux-4.4.111/fs/file_table.c linux-4.4.111-vs2.3.9.5/fs/file_table.c
+--- linux-4.4.111/fs/file_table.c 2015-10-29 09:21:35.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/file_table.c 2018-01-09 17:25:51.000000000 +0000
+@@ -26,6 +26,8 @@
+ #include <linux/task_work.h>
+ #include <linux/ima.h>
+ #include <linux/swap.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
+
+ #include <linux/atomic.h>
- int ext4_can_truncate(struct inode *inode)
+@@ -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();
++ vx_files_inc(f);
+ return f;
+
+ over:
+@@ -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->f_path.dentry = NULL;
+ file->f_path.mnt = NULL;
+ file->f_inode = NULL;
+@@ -305,6 +311,8 @@ void put_filp(struct file *file)
{
-- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
-+ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
- return 0;
- if (S_ISREG(inode->i_mode))
- return 1;
-@@ -4766,41 +4767,64 @@ void ext4_set_inode_flags(struct inode *
+ if (atomic_long_dec_and_test(&file->f_count)) {
+ security_file_free(file);
++ vx_files_dec(file);
++ file->f_xid = 0;
+ file_free(file);
+ }
+ }
+diff -NurpP --minimal linux-4.4.111/fs/fs_struct.c linux-4.4.111-vs2.3.9.5/fs/fs_struct.c
+--- linux-4.4.111/fs/fs_struct.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/fs_struct.c 2018-01-09 16:36:32.000000000 +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
{
- unsigned int flags = EXT4_I(inode)->i_flags;
+ path_put(&fs->root);
+ path_put(&fs->pwd);
++ atomic_dec(&vs_global_fs);
+ kmem_cache_free(fs_cachep, fs);
+ }
-- 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;
-+ if (flags & EXT4_IXUNLINK_FL)
-+ inode->i_flags |= S_IXUNLINK;
-+
- if (flags & EXT4_SYNC_FL)
- inode->i_flags |= S_SYNC;
- if (flags & EXT4_APPEND_FL)
- inode->i_flags |= S_APPEND;
-- if (flags & EXT4_IMMUTABLE_FL)
-- inode->i_flags |= S_IMMUTABLE;
- if (flags & EXT4_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
- if (flags & EXT4_DIRSYNC_FL)
- inode->i_flags |= S_DIRSYNC;
-+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
-+
-+ if (flags & EXT4_BARRIER_FL)
-+ inode->i_vflags |= V_BARRIER;
-+ if (flags & EXT4_COW_FL)
-+ inode->i_vflags |= V_COW;
+@@ -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-4.4.111/fs/gfs2/file.c linux-4.4.111-vs2.3.9.5/fs/gfs2/file.c
+--- linux-4.4.111/fs/gfs2/file.c 2018-01-11 07:57:44.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/gfs2/file.c 2018-01-09 17:23:53.000000000 +0000
+@@ -137,6 +137,9 @@ 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,
+ };
- /* Propagate flags from i_flags to EXT4_I(inode)->i_flags */
- void ext4_get_inode_flags(struct ext4_inode_info *ei)
+ static const u32 gfs2_to_fsflags[32] = {
+@@ -147,6 +150,9 @@ 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)
+@@ -177,12 +183,17 @@ void gfs2_set_inode_flags(struct inode *
{
-- unsigned int vfs_fl;
-+ unsigned int vfs_fl, vfs_vf;
- unsigned long old_fl, new_fl;
+ struct gfs2_inode *ip = GFS2_I(inode);
+ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
- 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);
+- flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_NOSEC);
++ flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC | S_NOSEC);
+
-+ if (vfs_fl & S_IMMUTABLE)
-+ new_fl |= EXT4_IMMUTABLE_FL;
-+ if (vfs_fl & S_IXUNLINK)
-+ new_fl |= EXT4_IXUNLINK_FL;
+ if ((ip->i_eattr == 0) && !is_sxid(inode->i_mode))
+ 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)
+@@ -190,6 +201,43 @@ void gfs2_set_inode_flags(struct inode *
+ if (ip->i_diskflags & GFS2_DIF_SYNC)
+ flags |= S_SYNC;
+ inode->i_flags = flags;
+
- 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;
++ vflags &= ~(V_BARRIER | V_COW);
+
-+ 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);
++ 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;
}
-@@ -4836,6 +4860,8 @@ struct inode *ext4_iget(struct super_blo
- journal_t *journal = EXT4_SB(sb)->s_journal;
- long ret;
- int block;
-+ uid_t uid;
-+ gid_t gid;
+ /* Flags that can be set by user space */
+@@ -305,6 +353,37 @@ static int gfs2_set_flags(struct file *f
+ return do_gfs2_set_flags(filp, gfsflags, ~GFS2_DIF_JDATA);
+ }
- inode = iget_locked(sb, ino);
- if (!inode)
-@@ -4851,12 +4877,16 @@ struct inode *ext4_iget(struct super_blo
- goto bad_inode;
- 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;
- }
-+ 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_flags = 0;
-@@ -5075,6 +5105,8 @@ 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,
-@@ -5085,29 +5117,32 @@ 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));
- 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);
-+#endif
- raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
++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-4.4.111/fs/gfs2/inode.h linux-4.4.111-vs2.3.9.5/fs/gfs2/inode.h
+--- linux-4.4.111/fs/gfs2/inode.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/gfs2/inode.h 2018-01-09 16:36:32.000000000 +0000
+@@ -118,6 +118,7 @@ extern const struct file_operations gfs2
+ extern const struct file_operations gfs2_dir_fops_nolock;
- EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode);
-@@ -5293,7 +5328,8 @@ int ext4_setattr(struct dentry *dentry,
- if (is_quota_modification(inode, attr))
- dquot_initialize(inode);
- 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)) {
- handle_t *handle;
+ 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-4.4.111/fs/hostfs/hostfs.h linux-4.4.111-vs2.3.9.5/fs/hostfs/hostfs.h
+--- linux-4.4.111/fs/hostfs/hostfs.h 2015-07-06 20:41:42.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/hostfs/hostfs.h 2018-01-09 16:36:32.000000000 +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-4.4.111/fs/inode.c linux-4.4.111-vs2.3.9.5/fs/inode.c
+--- linux-4.4.111/fs/inode.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/inode.c 2018-01-09 16:36:32.000000000 +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 <trace/events/writeback.h>
+ #include "internal.h"
- /* (user+group)*(old+new) structure, inode write (sb,
-@@ -5315,6 +5351,8 @@ int ext4_setattr(struct dentry *dentry,
- inode->i_uid = attr->ia_uid;
- if (attr->ia_valid & ATTR_GID)
- inode->i_gid = attr->ia_gid;
-+ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
-+ inode->i_tag = attr->ia_tag;
- error = ext4_mark_inode_dirty(handle, inode);
- ext4_journal_stop(handle);
- }
-diff -NurpP --minimal linux-2.6.37/fs/ext4/ioctl.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/ioctl.c
---- linux-2.6.37/fs/ext4/ioctl.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/ioctl.c 2010-11-23 02:09:41.000000000 +0100
-@@ -14,10 +14,39 @@
- #include <linux/compat.h>
- #include <linux/mount.h>
- #include <linux/file.h>
+@@ -133,6 +134,8 @@ 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);
+@@ -142,6 +145,7 @@ 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;
+@@ -152,6 +156,7 @@ int inode_init_always(struct super_block
+ inode->i_cdev = NULL;
+ inode->i_link = NULL;
+ inode->i_rdev = 0;
++ inode->i_mdev = 0;
+ inode->dirtied_when = 0;
+
+ if (security_inode_alloc(inode))
+@@ -469,6 +474,8 @@ void __insert_inode_hash(struct inode *i
+ }
+ EXPORT_SYMBOL(__insert_inode_hash);
+
++EXPORT_SYMBOL_GPL(__iget);
++
+ /**
+ * __remove_inode_hash - remove an inode from the hash
+ * @inode: inode to unhash
+@@ -1911,9 +1918,11 @@ void init_special_inode(struct inode *in
+ if (S_ISCHR(mode)) {
+ inode->i_fop = &def_chr_fops;
+ inode->i_rdev = rdev;
++ inode->i_mdev = rdev;
+ } else if (S_ISBLK(mode)) {
+ inode->i_fop = &def_blk_fops;
+ inode->i_rdev = rdev;
++ inode->i_mdev = rdev;
+ } else if (S_ISFIFO(mode))
+ inode->i_fop = &pipefifo_fops;
+ else if (S_ISSOCK(mode))
+@@ -1942,6 +1951,7 @@ 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-4.4.111/fs/ioctl.c linux-4.4.111-vs2.3.9.5/fs/ioctl.c
+--- linux-4.4.111/fs/ioctl.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ioctl.c 2018-01-09 16:36:32.000000000 +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-4.4.111/fs/jfs/file.c linux-4.4.111-vs2.3.9.5/fs/jfs/file.c
+--- linux-4.4.111/fs/jfs/file.c 2016-07-05 04:12:33.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/jfs/file.c 2018-01-09 16:36:32.000000000 +0000
+@@ -113,7 +113,8 @@ int jfs_setattr(struct dentry *dentry, s
+ return rc;
+ }
+ 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;
+@@ -149,6 +150,7 @@ 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-4.4.111/fs/jfs/ioctl.c linux-4.4.111-vs2.3.9.5/fs/jfs/ioctl.c
+--- linux-4.4.111/fs/jfs/ioctl.c 2015-10-29 09:21:36.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/jfs/ioctl.c 2018-01-09 16:36:32.000000000 +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>
- #include "ext4_jbd2.h"
- #include "ext4.h"
-+
-+int ext4_sync_flags(struct inode *inode, int flags, int vflags)
+@@ -56,6 +57,16 @@ static long jfs_map_ext2(unsigned long f
+ }
+
+
++int jfs_sync_flags(struct inode *inode, int flags, int vflags)
+{
-+ handle_t *handle = NULL;
-+ struct ext4_iloc iloc;
-+ int err;
-+
-+ handle = ext4_journal_start(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;
++ jfs_get_inode_flags(JFS_IP(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
+}
+
- long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
- struct inode *inode = filp->f_dentry->d_inode;
-@@ -50,6 +79,11 @@ long ext4_ioctl(struct file *filp, unsig
-
- flags = ext4_mask_flags(inode->i_mode, flags);
+ 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;
+ if (IS_BARRIER(inode)) {
+ vxwprintk_task(1, "messing with the barrier.");
+ return -EACCES;
+ }
+
- err = -EPERM;
- mutex_lock(&inode->i_mutex);
/* Is it quota file? Do not allow user to mess with it */
-@@ -67,7 +101,9 @@ long ext4_ioctl(struct file *filp, unsig
- *
- * This test looks nicer. Thanks to Pauline Middelink
+ if (IS_NOQUOTA(inode)) {
+ err = -EPERM;
+@@ -106,8 +122,8 @@ long jfs_ioctl(struct file *filp, unsign
+ * the relevant capability.
*/
-- if ((flags ^ oldflags) & (EXT4_APPEND_FL | EXT4_IMMUTABLE_FL)) {
-+ if ((oldflags & EXT4_IMMUTABLE_FL) ||
-+ ((flags ^ oldflags) & (EXT4_APPEND_FL |
-+ EXT4_IMMUTABLE_FL | EXT4_IXUNLINK_FL))) {
- if (!capable(CAP_LINUX_IMMUTABLE))
- goto flags_out;
+ if ((oldflags & JFS_IMMUTABLE_FL) ||
+- ((flags ^ oldflags) &
+- (JFS_APPEND_FL | JFS_IMMUTABLE_FL))) {
++ ((flags ^ oldflags) & (JFS_APPEND_FL |
++ JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ mutex_unlock(&inode->i_mutex);
+ err = -EPERM;
+@@ -115,7 +131,7 @@ long jfs_ioctl(struct file *filp, unsign
+ }
}
-diff -NurpP --minimal linux-2.6.37/fs/ext4/namei.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/namei.c
---- linux-2.6.37/fs/ext4/namei.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/namei.c 2011-01-05 22:30:39.000000000 +0100
-@@ -34,6 +34,7 @@
+
+- 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-4.4.111/fs/jfs/jfs_dinode.h linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_dinode.h
+--- linux-4.4.111/fs/jfs/jfs_dinode.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_dinode.h 2018-01-09 16:36:32.000000000 +0000
+@@ -161,9 +161,13 @@ struct dinode {
+
+ #define JFS_APPEND_FL 0x01000000 /* writes to file may only append */
+ #define JFS_IMMUTABLE_FL 0x02000000 /* Immutable file */
++#define JFS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+
+-#define JFS_FL_USER_VISIBLE 0x03F80000
+-#define JFS_FL_USER_MODIFIABLE 0x03F80000
++#define JFS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define JFS_COW_FL 0x20000000 /* Copy on Write marker */
++
++#define JFS_FL_USER_VISIBLE 0x07F80000
++#define JFS_FL_USER_MODIFIABLE 0x07F80000
+ #define JFS_FL_INHERIT 0x03C80000
+
+ /* These are identical to EXT[23]_IOC_GETFLAGS/SETFLAGS */
+diff -NurpP --minimal linux-4.4.111/fs/jfs/jfs_filsys.h linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_filsys.h
+--- linux-4.4.111/fs/jfs/jfs_filsys.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_filsys.h 2018-01-09 16:36:32.000000000 +0000
+@@ -266,6 +266,7 @@
+ #define JFS_NAME_MAX 255
+ #define JFS_PATH_MAX BPSIZE
+
++#define JFS_TAGGED 0x00800000 /* Context Tagging */
+
+ /*
+ * file system state (superblock state)
+diff -NurpP --minimal linux-4.4.111/fs/jfs/jfs_imap.c linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_imap.c
+--- linux-4.4.111/fs/jfs/jfs_imap.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_imap.c 2018-01-09 16:36:32.000000000 +0000
+@@ -46,6 +46,7 @@
+ #include <linux/pagemap.h>
#include <linux/quotaops.h>
- #include <linux/buffer_head.h>
- #include <linux/bio.h>
+ #include <linux/slab.h>
+#include <linux/vs_tag.h>
- #include "ext4.h"
- #include "ext4_jbd2.h"
-@@ -923,6 +924,7 @@ restart:
- if (bh)
- ll_rw_block(READ_META, 1, &bh);
- }
-+ dx_propagate_tag(nd, inode);
- }
- if ((bh = bh_use[ra_ptr++]) == NULL)
- goto next;
-@@ -2513,6 +2515,7 @@ const struct inode_operations ext4_dir_i
+ #include "jfs_incore.h"
+ #include "jfs_inode.h"
+@@ -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);
++ kuid_t kuid;
++ kgid_t kgid;
+
+ jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
+ jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
+@@ -3067,14 +3070,18 @@ static int copy_from_dinode(struct dinod
+ }
+ set_nlink(ip, le32_to_cpu(dip->di_nlink));
+
+- 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_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 = 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 {
+@@ -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 (!uid_valid(sbi->uid))
+- dip->di_uid = cpu_to_le32(i_uid_read(ip));
+- else
+- 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(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-4.4.111/fs/jfs/jfs_inode.c linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_inode.c
+--- linux-4.4.111/fs/jfs/jfs_inode.c 2016-07-05 04:12:33.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_inode.c 2018-01-14 06:39:51.000000000 +0000
+@@ -18,6 +18,7 @@
+
+ #include <linux/fs.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+ #include "jfs_incore.h"
+ #include "jfs_inode.h"
+ #include "jfs_filsys.h"
+@@ -33,6 +34,9 @@ void jfs_set_inode_flags(struct inode *i
+
+ if (flags & JFS_IMMUTABLE_FL)
+ new_fl |= S_IMMUTABLE;
++ if (flags & JFS_IXUNLINK_FL)
++ new_fl |= S_IXUNLINK;
++
+ if (flags & JFS_APPEND_FL)
+ new_fl |= S_APPEND;
+ if (flags & JFS_NOATIME_FL)
+@@ -41,18 +45,35 @@ void jfs_set_inode_flags(struct inode *i
+ new_fl |= S_DIRSYNC;
+ if (flags & JFS_SYNC_FL)
+ new_fl |= S_SYNC;
+- inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME |
+- S_DIRSYNC | S_SYNC);
++
++ 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)
++ new_fl |= V_BARRIER;
++ if (flags & JFS_COW_FL)
++ 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)
+ {
+ unsigned int flags = jfs_ip->vfs_inode.i_flags;
++ unsigned int vflags = jfs_ip->vfs_inode.i_vflags;
++
++ jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL |
++ JFS_APPEND_FL | JFS_NOATIME_FL |
++ JFS_DIRSYNC_FL | JFS_SYNC_FL |
++ JFS_BARRIER_FL | JFS_COW_FL);
+
+- jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_APPEND_FL | JFS_NOATIME_FL |
+- JFS_DIRSYNC_FL | JFS_SYNC_FL);
+ if (flags & S_IMMUTABLE)
+ jfs_ip->mode2 |= JFS_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ jfs_ip->mode2 |= JFS_IXUNLINK_FL;
++
+ if (flags & S_APPEND)
+ jfs_ip->mode2 |= JFS_APPEND_FL;
+ if (flags & S_NOATIME)
+@@ -61,6 +82,11 @@ void jfs_get_inode_flags(struct jfs_inod
+ jfs_ip->mode2 |= JFS_DIRSYNC_FL;
+ if (flags & S_SYNC)
+ jfs_ip->mode2 |= JFS_SYNC_FL;
++
++ if (vflags & V_BARRIER)
++ jfs_ip->mode2 |= JFS_BARRIER_FL;
++ if (vflags & V_COW)
++ jfs_ip->mode2 |= JFS_COW_FL;
+ }
+
+ /*
+diff -NurpP --minimal linux-4.4.111/fs/jfs/jfs_inode.h linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_inode.h
+--- linux-4.4.111/fs/jfs/jfs_inode.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/jfs/jfs_inode.h 2018-01-09 16:36:32.000000000 +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 *, int, int);
+ extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
+ extern int jfs_setattr(struct dentry *, struct iattr *);
+
+diff -NurpP --minimal linux-4.4.111/fs/jfs/namei.c linux-4.4.111-vs2.3.9.5/fs/jfs/namei.c
+--- linux-4.4.111/fs/jfs/namei.c 2016-07-05 04:15:08.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/jfs/namei.c 2018-01-09 16:36:32.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/ctype.h>
+ #include <linux/quotaops.h>
+ #include <linux/exportfs.h>
++#include <linux/vs_tag.h>
+ #include "jfs_incore.h"
+ #include "jfs_superblock.h"
+ #include "jfs_inode.h"
+@@ -1480,6 +1481,7 @@ static struct dentry *jfs_lookup(struct
+ jfs_err("jfs_lookup: iget failed on inum %d", (uint)inum);
+ }
+
++ dx_propagate_tag(nd, ip);
+ return d_splice_alias(ip, dentry);
+ }
+
+@@ -1545,6 +1547,7 @@ const struct inode_operations jfs_dir_in
+ .get_acl = jfs_get_acl,
+ .set_acl = jfs_set_acl,
#endif
- .check_acl = ext4_check_acl,
- .fiemap = ext4_fiemap,
-+ .sync_flags = ext4_sync_flags,
++ .sync_flags = jfs_sync_flags,
};
- const struct inode_operations ext4_special_inode_operations = {
-diff -NurpP --minimal linux-2.6.37/fs/ext4/super.c linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/super.c
---- linux-2.6.37/fs/ext4/super.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ext4/super.c 2011-01-05 22:30:39.000000000 +0100
-@@ -1247,6 +1247,7 @@ enum {
- Opt_dioread_nolock, Opt_dioread_lock,
- Opt_discard, Opt_nodiscard,
- Opt_init_inode_table, Opt_noinit_inode_table,
+ const struct file_operations jfs_dir_operations = {
+diff -NurpP --minimal linux-4.4.111/fs/jfs/super.c linux-4.4.111-vs2.3.9.5/fs/jfs/super.c
+--- linux-4.4.111/fs/jfs/super.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/jfs/super.c 2018-01-09 16:36:32.000000000 +0000
+@@ -206,7 +206,8 @@ 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_discard, Opt_nodiscard, Opt_discard_minblk
++ Opt_discard, Opt_nodiscard, Opt_discard_minblk,
+ Opt_tag, Opt_notag, Opt_tagid
};
static const match_table_t tokens = {
-@@ -1322,6 +1323,9 @@ static const match_table_t tokens = {
- {Opt_init_inode_table, "init_itable=%u"},
- {Opt_init_inode_table, "init_itable"},
- {Opt_noinit_inode_table, "noinit_itable"},
+@@ -216,6 +217,10 @@ static const match_table_t tokens = {
+ {Opt_resize, "resize=%u"},
+ {Opt_resize_nosize, "resize"},
+ {Opt_errors, "errors=%s"},
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
- {Opt_err, NULL},
- };
-
-@@ -1490,6 +1494,20 @@ static int parse_options(char *options,
- case Opt_nouid32:
- set_opt(sbi->s_mount_opt, NO_UID32);
++ {Opt_tag, "tagxid"},
+ {Opt_ignore, "noquota"},
+ {Opt_ignore, "quota"},
+ {Opt_usrquota, "usrquota"},
+@@ -405,7 +410,20 @@ static int parse_options(char *options,
+ pr_err("JFS: discard option not supported on device\n");
break;
+ }
+-
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
-+ set_opt (sbi->s_mount_opt, TAGGED);
++ *flag |= JFS_TAGGED;
+ break;
+ case Opt_notag:
-+ clear_opt (sbi->s_mount_opt, TAGGED);
++ *flag &= JFS_TAGGED;
+ break;
+#endif
+#ifdef CONFIG_PROPAGATE
+ case Opt_tagid:
+ /* use args[0] */
-+ set_opt (sbi->s_mount_opt, TAGGED);
++ *flag |= JFS_TAGGED;
+ break;
+#endif
- case Opt_debug:
- set_opt(sbi->s_mount_opt, DEBUG);
- break;
-@@ -3134,6 +3152,9 @@ static int ext4_fill_super(struct super_
- &journal_ioprio, NULL, 0))
- goto failed_mount;
-
-+ if (EXT4_SB(sb)->s_mount_opt & EXT4_MOUNT_TAGGED)
-+ sb->s_flags |= MS_TAGGED;
-+
- sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
- (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
-
-@@ -4211,6 +4232,14 @@ static int ext4_remount(struct super_blo
- if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
- ext4_abort(sb, "Abort forced by user");
+ default:
+ printk("jfs: Unrecognized mount option \"%s\" or missing value\n",
+ p);
+@@ -437,6 +455,12 @@ static int jfs_remount(struct super_bloc
+ if (!parse_options(data, sb, &newLVSize, &flag))
+ return -EINVAL;
-+ if ((sbi->s_mount_opt & EXT4_MOUNT_TAGGED) &&
-+ !(sb->s_flags & MS_TAGGED)) {
-+ printk("EXT4-fs: %s: tagging not permitted on remount.\n",
++ if ((flag & JFS_TAGGED) && !(sb->s_flags & MS_TAGGED)) {
++ printk(KERN_ERR "JFS: %s: tagging not permitted on remount.\n",
+ sb->s_id);
-+ err = -EINVAL;
-+ goto restore_opts;
++ return -EINVAL;
+ }
+
- sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
- (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+ if (newLVSize) {
+ if (sb->s_flags & MS_RDONLY) {
+ 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
++ /* map mount option tagxid */
++ if (sbi->flag & JFS_TAGGED)
++ sb->s_flags |= MS_TAGGED;
-diff -NurpP --minimal linux-2.6.37/fs/fcntl.c linux-2.6.37-vs2.3.0.37-rc3/fs/fcntl.c
---- linux-2.6.37/fs/fcntl.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/fcntl.c 2010-11-23 02:09:41.000000000 +0100
-@@ -20,6 +20,7 @@
- #include <linux/signal.h>
- #include <linux/rcupdate.h>
- #include <linux/pid_namespace.h>
-+#include <linux/vs_limit.h>
+ if (newLVSize) {
+ pr_err("resize option for remount only\n");
+diff -NurpP --minimal linux-4.4.111/fs/libfs.c linux-4.4.111-vs2.3.9.5/fs/libfs.c
+--- linux-4.4.111/fs/libfs.c 2016-07-05 04:12:33.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/libfs.c 2018-01-09 16:36:32.000000000 +0000
+@@ -141,13 +141,14 @@ static inline unsigned char dt_type(stru
+ * both impossible due to the lock on directory.
+ */
- #include <asm/poll.h>
- #include <asm/siginfo.h>
-@@ -103,6 +104,8 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldf
+-int dcache_readdir(struct file *file, struct dir_context *ctx)
++static inline int do_dcache_readdir_filter(struct file *filp,
++ struct dir_context *ctx, int (*filter)(struct dentry *dentry))
+ {
+- 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)
+@@ -155,6 +156,8 @@ int dcache_readdir(struct file *file, st
- if (tofree)
- filp_close(tofree, files);
-+ else
-+ vx_openfd_inc(newfd); /* fd was unused */
+ 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);
+@@ -177,8 +180,22 @@ int dcache_readdir(struct file *file, st
+ spin_unlock(&dentry->d_lock);
+ return 0;
+ }
++
+ EXPORT_SYMBOL(dcache_readdir);
- return newfd;
++int dcache_readdir(struct file *filp, struct dir_context *ctx)
++{
++ return do_dcache_readdir_filter(filp, ctx, NULL);
++}
++
++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, ctx, filter);
++}
++
+ ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t *ppos)
+ {
+ return -EISDIR;
+diff -NurpP --minimal linux-4.4.111/fs/locks.c linux-4.4.111-vs2.3.9.5/fs/locks.c
+--- linux-4.4.111/fs/locks.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/locks.c 2018-01-09 16:36:32.000000000 +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>
-@@ -434,6 +437,8 @@ SYSCALL_DEFINE3(fcntl, unsigned int, fd,
- filp = fget(fd);
- if (!filp)
- goto out;
-+ if (!vx_files_avail(1))
-+ goto out;
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/filelock.h>
+@@ -255,11 +257,15 @@ static void locks_init_lock_heads(struct
+ /* Allocate an empty lock structure. */
+ struct file_lock *locks_alloc_lock(void)
+ {
+- struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
++ struct file_lock *fl;
- err = security_file_fcntl(filp, cmd, arg);
- if (err) {
-diff -NurpP --minimal linux-2.6.37/fs/file.c linux-2.6.37-vs2.3.0.37-rc3/fs/file.c
---- linux-2.6.37/fs/file.c 2010-10-21 13:07:48.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/file.c 2010-11-23 02:09:41.000000000 +0100
-@@ -20,6 +20,7 @@
- #include <linux/spinlock.h>
- #include <linux/rcupdate.h>
- #include <linux/workqueue.h>
-+#include <linux/vs_limit.h>
+- if (fl)
+- locks_init_lock_heads(fl);
++ fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
- struct fdtable_defer {
- spinlock_t lock;
-@@ -355,6 +356,8 @@ struct files_struct *dup_fd(struct files
- struct file *f = *old_fds++;
- if (f) {
- get_file(f);
-+ /* TODO: sum it first for check and performance */
-+ vx_openfd_inc(open_files - i);
- } else {
- /*
- * The fd may be claimed in the fd bitmap but not yet
-@@ -462,6 +465,7 @@ repeat:
- else
- FD_CLR(fd, fdt->close_on_exec);
- error = fd;
-+ vx_openfd_inc(fd);
- #if 1
- /* Sanity check */
- if (rcu_dereference_raw(fdt->fd[fd]) != NULL) {
-diff -NurpP --minimal linux-2.6.37/fs/file_table.c linux-2.6.37-vs2.3.0.37-rc3/fs/file_table.c
---- linux-2.6.37/fs/file_table.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/file_table.c 2010-11-23 02:09:41.000000000 +0100
-@@ -24,6 +24,8 @@
- #include <linux/percpu_counter.h>
- #include <linux/percpu.h>
- #include <linux/ima.h>
-+#include <linux/vs_limit.h>
-+#include <linux/vs_context.h>
++ if (fl) {
++ locks_init_lock_heads(fl);
++ vx_locks_inc(fl);
++ fl->fl_xid = -1;
++ }
+ return fl;
+ }
+ EXPORT_SYMBOL_GPL(locks_alloc_lock);
+@@ -311,6 +317,7 @@ void locks_init_lock(struct file_lock *f
+ {
+ memset(fl, 0, sizeof(struct file_lock));
+ locks_init_lock_heads(fl);
++ fl->fl_xid = -1;
+ }
- #include <asm/atomic.h>
+ EXPORT_SYMBOL(locks_init_lock);
+@@ -328,6 +335,7 @@ 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;
-@@ -135,6 +137,8 @@ struct file *get_empty_filp(void)
- spin_lock_init(&f->f_lock);
- eventpoll_init_file(f);
- /* f->f_version: 0 */
-+ f->f_xid = vx_current_xid();
-+ vx_files_inc(f);
- return f;
+ if (fl->fl_lmops) {
+@@ -389,7 +397,10 @@ flock_make_lock(struct file *filp, unsig
+ fl->fl_flags = FL_FLOCK;
+ fl->fl_type = type;
+ fl->fl_end = OFFSET_MAX;
+-
++
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ fl->fl_xid = filp->f_xid;
+ return fl;
+ }
- over:
-@@ -250,6 +254,8 @@ static void __fput(struct file *file)
- cdev_put(inode->i_cdev);
- fops_put(file->f_op);
- put_pid(file->f_owner.pid);
-+ vx_files_dec(file);
-+ file->f_xid = 0;
- file_sb_list_del(file);
- if (file->f_mode & FMODE_WRITE)
- drop_file_write_access(file);
-@@ -333,6 +339,8 @@ 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_sb_list_del(file);
- file_free(file);
+@@ -511,6 +522,7 @@ static int lease_init(struct file *filp,
+
+ fl->fl_owner = filp;
+ fl->fl_pid = current->tgid;
++ fl->fl_xid = vx_current_xid();
+
+ fl->fl_file = filp;
+ fl->fl_flags = FL_LEASE;
+@@ -530,6 +542,10 @@ static struct file_lock *lease_alloc(str
+ if (fl == NULL)
+ return ERR_PTR(error);
+
++ fl->fl_xid = vx_current_xid();
++ if (filp)
++ vxd_assert(filp->f_xid == fl->fl_xid,
++ "f_xid(%d) == fl_xid(%d)", filp->f_xid, fl->fl_xid);
+ error = lease_init(filp, type, fl);
+ if (error) {
+ locks_free_lock(fl);
+@@ -908,6 +924,7 @@ static int flock_lock_inode(struct inode
+ goto out;
}
-diff -NurpP --minimal linux-2.6.37/fs/fs_struct.c linux-2.6.37-vs2.3.0.37-rc3/fs/fs_struct.c
---- linux-2.6.37/fs/fs_struct.c 2010-10-21 13:07:48.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/fs_struct.c 2010-11-23 02:09:41.000000000 +0100
-@@ -4,6 +4,7 @@
- #include <linux/path.h>
- #include <linux/slab.h>
- #include <linux/fs_struct.h>
-+#include <linux/vserver/global.h>
- /*
- * Replace the fs->{rootmnt,root} with {mnt,dentry}. Put the old values.
-@@ -77,6 +78,7 @@ 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);
++ new_fl->fl_xid = -1;
+ find_conflict:
+ list_for_each_entry(fl, &ctx->flc_flock, fl_list) {
+ if (!flock_locks_conflict(request, fl))
+@@ -934,7 +951,8 @@ out:
+ return error;
}
-@@ -107,6 +109,7 @@ struct fs_struct *copy_fs_struct(struct
- spin_lock_init(&fs->lock);
- fs->umask = old->umask;
- get_fs_root_and_pwd(old, &fs->root, &fs->pwd);
-+ atomic_inc(&vs_global_fs);
+-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, vxid_t xid)
+ {
+ struct file_lock *fl, *tmp;
+ struct file_lock *new_fl = NULL;
+@@ -950,6 +968,9 @@ static int __posix_lock_file(struct inod
+ if (!ctx)
+ return (request->fl_type == F_UNLCK) ? 0 : -ENOMEM;
+
++ if (xid)
++ 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.
+@@ -960,7 +981,11 @@ 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();
++ new_fl->fl_xid = xid;
++ // vx_locks_inc(new_fl);
+ new_fl2 = locks_alloc_lock();
++ new_fl2->fl_xid = xid;
++ // vx_locks_inc(new_fl2);
}
- return fs;
+
+ spin_lock(&ctx->flc_lock);
+@@ -1162,7 +1187,8 @@ 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(file_inode(filp), fl, conflock);
++ return __posix_lock_file(file_inode(filp),
++ fl, conflock, filp->f_xid);
}
-diff -NurpP --minimal linux-2.6.37/fs/gfs2/file.c linux-2.6.37-vs2.3.0.37-rc3/fs/gfs2/file.c
---- linux-2.6.37/fs/gfs2/file.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/gfs2/file.c 2010-11-23 02:09:41.000000000 +0100
-@@ -132,6 +132,9 @@ static const u32 fsflags_to_gfs2[32] = {
- [7] = GFS2_DIF_NOATIME,
- [12] = GFS2_DIF_EXHASH,
- [14] = GFS2_DIF_INHERIT_JDATA,
-+ [27] = GFS2_DIF_IXUNLINK,
-+ [26] = GFS2_DIF_BARRIER,
-+ [29] = GFS2_DIF_COW,
- };
+ EXPORT_SYMBOL(posix_lock_file);
- static const u32 gfs2_to_fsflags[32] = {
-@@ -141,6 +144,9 @@ static const u32 gfs2_to_fsflags[32] = {
- [gfs2fl_NoAtime] = FS_NOATIME_FL,
- [gfs2fl_ExHash] = FS_INDEX_FL,
- [gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL,
-+ [gfs2fl_IXUnlink] = FS_IXUNLINK_FL,
-+ [gfs2fl_Barrier] = FS_BARRIER_FL,
-+ [gfs2fl_Cow] = FS_COW_FL,
- };
+@@ -1178,7 +1204,7 @@ static int posix_lock_inode_wait(struct
+ int error;
+ might_sleep ();
+ for (;;) {
+- error = __posix_lock_file(inode, fl, NULL);
++ error = __posix_lock_file(inode, fl, NULL, 0);
+ if (error != FILE_LOCK_DEFERRED)
+ break;
+ error = wait_event_interruptible(fl->fl_wait, !fl->fl_next);
+@@ -1257,10 +1283,13 @@ int locks_mandatory_area(int read_write,
+ fl.fl_end = offset + count - 1;
- static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
-@@ -171,10 +177,16 @@ 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);
+ for (;;) {
++ vxid_t f_xid = 0;
++
+ if (filp) {
+ fl.fl_owner = filp;
+ fl.fl_flags &= ~FL_SLEEP;
+- error = __posix_lock_file(inode, &fl, NULL);
++ f_xid = filp->f_xid;
++ error = __posix_lock_file(inode, &fl, NULL, f_xid);
+ if (!error)
+ break;
+ }
+@@ -1268,7 +1297,7 @@ 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, f_xid);
+ if (error != FILE_LOCK_DEFERRED)
+ break;
+ error = wait_event_interruptible(fl.fl_wait, !fl.fl_next);
+@@ -2165,6 +2194,11 @@ int fcntl_setlk(unsigned int fd, struct
+ if (file_lock == NULL)
+ return -ENOLCK;
-- flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
- 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)
-@@ -182,6 +194,43 @@ void gfs2_set_inode_flags(struct inode *
- if (ip->i_diskflags & GFS2_DIF_SYNC)
- flags |= S_SYNC;
- inode->i_flags = flags;
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ file_lock->fl_xid = filp->f_xid;
++ // vx_locks_inc(file_lock);
+
-+ vflags &= ~(V_BARRIER | V_COW);
+ /*
+ * This might block, so we do it before checking the inode.
+ */
+@@ -2307,6 +2341,11 @@ int fcntl_setlk64(unsigned int fd, struc
+ if (file_lock == NULL)
+ return -ENOLCK;
+
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ file_lock->fl_xid = filp->f_xid;
++ // vx_locks_inc(file_lock);
+
-+ if (ip->i_diskflags & GFS2_DIF_BARRIER)
-+ vflags |= V_BARRIER;
-+ if (ip->i_diskflags & GFS2_DIF_COW)
-+ vflags |= V_COW;
-+ inode->i_vflags = vflags;
+ /*
+ * This might block, so we do it before checking the inode.
+ */
+@@ -2620,8 +2659,11 @@ static int locks_show(struct seq_file *f
+
+ 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, iter->li_pos, " ->");
++ }
+
+ return 0;
+ }
+diff -NurpP --minimal linux-4.4.111/fs/mount.h linux-4.4.111-vs2.3.9.5/fs/mount.h
+--- linux-4.4.111/fs/mount.h 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/mount.h 2018-01-09 16:36:32.000000000 +0000
+@@ -68,6 +68,7 @@ struct mount {
+ struct hlist_head mnt_pins;
+ struct fs_pin mnt_umount;
+ struct dentry *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-4.4.111/fs/namei.c linux-4.4.111-vs2.3.9.5/fs/namei.c
+--- linux-4.4.111/fs/namei.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/namei.c 2018-01-13 03:11:55.000000000 +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_cowbl.h>
++#include <linux/vs_device.h>
++#include <linux/vs_context.h>
++#include <linux/pid_namespace.h>
+ #include <linux/hash.h>
+ #include <asm/uaccess.h>
+
+ #include "internal.h"
++#include "proc/internal.h"
+ #include "mount.h"
+
+ /* [Feb-1997 T. Schoebel-Theuer]
+@@ -283,6 +293,93 @@ static int check_acl(struct inode *inode
+ return -EAGAIN;
+ }
+
++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 1;
++ }
++ return 0;
+}
+
-+void gfs2_get_inode_flags(struct inode *inode)
++static int __dx_permission(const struct inode *inode, int mask)
+{
-+ struct gfs2_inode *ip = GFS2_I(inode);
-+ unsigned int flags = inode->i_flags;
-+ unsigned int vflags = inode->i_vflags;
++ if (dx_barrier(inode))
++ return -EACCES;
+
-+ 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 (inode->i_sb->s_magic == DEVPTS_SUPER_MAGIC) {
++ /* devpts is xid tagged */
++ if (S_ISDIR(inode->i_mode) ||
++ vx_check((vxid_t)i_tag_read(inode), VS_IDENT | VS_WATCH_P))
++ return 0;
+
-+ if (flags & S_IMMUTABLE)
-+ ip->i_diskflags |= GFS2_DIF_IMMUTABLE;
-+ if (flags & S_IXUNLINK)
-+ ip->i_diskflags |= GFS2_DIF_IXUNLINK;
++ /* 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 (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 (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 (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 */
-@@ -293,6 +342,37 @@ 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;
++ if ((mask & (MAY_WRITE | MAY_APPEND))) {
++ struct pid *pid;
++ struct task_struct *tsk;
++
++ if (vx_check(0, VS_ADMIN | VS_WATCH_P) ||
++ vx_flags(VXF_STATE_SETUP, 0))
++ return 0;
++
++ pid = PROC_I(inode)->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)) {
++ rcu_read_unlock();
++ return 0;
++ }
++ rcu_read_unlock();
++ }
++ else {
++ /* FIXME: Should we block some entries here? */
++ return 0;
++ }
++ }
++ else {
++ if (dx_notagcheck(inode->i_sb) ||
++ dx_check((vxid_t)i_tag_read(inode),
++ DX_HOSTID | DX_ADMIN | DX_WATCH | DX_IDENT))
++ return 0;
++ }
+
-+ 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_bh(ip->i_gl, bh, 1);
-+ 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;
++ return -EACCES;
++}
++
++int dx_permission(const struct inode *inode, int mask)
++{
++ int ret = __dx_permission(inode, mask);
++ if (unlikely(ret)) {
++#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;
+}
+
- static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
- {
- switch(cmd) {
-diff -NurpP --minimal linux-2.6.37/fs/gfs2/inode.h linux-2.6.37-vs2.3.0.37-rc3/fs/gfs2/inode.h
---- linux-2.6.37/fs/gfs2/inode.h 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/gfs2/inode.h 2010-11-23 02:09:41.000000000 +0100
-@@ -126,6 +126,7 @@ 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-2.6.37/fs/gfs2/ops_inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/gfs2/ops_inode.c
---- linux-2.6.37/fs/gfs2/ops_inode.c 2011-01-05 21:50:23.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/gfs2/ops_inode.c 2010-11-23 02:09:41.000000000 +0100
-@@ -1594,6 +1594,8 @@ const struct inode_operations gfs2_dir_i
- .listxattr = gfs2_listxattr,
- .removexattr = gfs2_removexattr,
- .fiemap = gfs2_fiemap,
-+ .sync_flags = gfs2_sync_flags,
-+ .sync_flags = gfs2_sync_flags,
- };
-
- const struct inode_operations gfs2_symlink_iops = {
-diff -NurpP --minimal linux-2.6.37/fs/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/inode.c
---- linux-2.6.37/fs/inode.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/inode.c 2010-11-23 03:34:25.000000000 +0100
-@@ -25,6 +25,7 @@
- #include <linux/async.h>
- #include <linux/posix_acl.h>
- #include <linux/ima.h>
-+#include <linux/vs_tag.h>
-
/*
- * This is needed for the following functions:
-@@ -162,6 +163,9 @@ int inode_init_always(struct super_block
- struct address_space *const mapping = &inode->i_data;
+ * This does the basic permission checking
+ */
+@@ -407,10 +504,14 @@ int __inode_permission(struct inode *ino
+ /*
+ * Nobody gets write access to an immutable file.
+ */
+- if (IS_IMMUTABLE(inode))
++ if (IS_IMMUTABLE(inode) && !IS_COW(inode))
+ return -EACCES;
+ }
- inode->i_sb = sb;
++ retval = dx_permission(inode, mask);
++ if (retval)
++ return retval;
+
-+ /* 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);
-@@ -182,6 +186,7 @@ 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))
-@@ -408,6 +413,8 @@ static void __remove_inode_hash(struct i
- hlist_del_init(&inode->i_hash);
- }
-
-+EXPORT_SYMBOL_GPL(__iget);
+ retval = do_inode_permission(inode, mask);
+ if (retval)
+ return retval;
+@@ -1583,6 +1684,9 @@ static int lookup_fast(struct nameidata
+ */
+ if (negative)
+ return -ENOENT;
+
- /**
- * remove_inode_hash - remove an inode from the hash
- * @inode: inode to unhash
-@@ -1675,9 +1682,11 @@ void init_special_inode(struct inode *in
- if (S_ISCHR(mode)) {
- inode->i_fop = &def_chr_fops;
- inode->i_rdev = rdev;
-+ inode->i_mdev = rdev;
- } else if (S_ISBLK(mode)) {
- inode->i_fop = &def_blk_fops;
- inode->i_rdev = rdev;
-+ inode->i_mdev = rdev;
- } else if (S_ISFIFO(mode))
- inode->i_fop = &def_fifo_fops;
- else if (S_ISSOCK(mode))
-@@ -1706,5 +1715,6 @@ void inode_init_owner(struct inode *inod
- } else
- inode->i_gid = current_fsgid();
- inode->i_mode = mode;
-+ inode->i_tag = dx_current_fstag(inode->i_sb);
- }
- EXPORT_SYMBOL(inode_init_owner);
-diff -NurpP --minimal linux-2.6.37/fs/ioctl.c linux-2.6.37-vs2.3.0.37-rc3/fs/ioctl.c
---- linux-2.6.37/fs/ioctl.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ioctl.c 2010-11-23 02:09:41.000000000 +0100
-@@ -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>
++ /* FIXME: check dx permission */
++
+ path->mnt = mnt;
+ path->dentry = dentry;
+ if (likely(__follow_mount_rcu(nd, path, inode, seqp)))
+@@ -1613,6 +1717,8 @@ unlazy:
+ dput(dentry);
+ return -ENOENT;
+ }
++
++ /* FIXME: check dx permission */
+ path->mnt = mnt;
+ path->dentry = dentry;
+ err = follow_managed(path, nd);
+@@ -2571,7 +2677,7 @@ static int may_delete(struct inode *dir,
+ return -EPERM;
- #include <asm/ioctls.h>
+ 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 (!d_is_dir(victim))
+@@ -2653,19 +2759,25 @@ 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;
++ }
-diff -NurpP --minimal linux-2.6.37/fs/ioprio.c linux-2.6.37-vs2.3.0.37-rc3/fs/ioprio.c
---- linux-2.6.37/fs/ioprio.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ioprio.c 2011-01-05 22:30:39.000000000 +0100
-@@ -27,6 +27,7 @@
- #include <linux/syscalls.h>
- #include <linux/security.h>
- #include <linux/pid_namespace.h>
-+#include <linux/vs_base.h>
+ 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);
+@@ -2701,6 +2813,15 @@ static int may_open(struct path *path, i
+ break;
+ }
- int set_task_ioprio(struct task_struct *task, int ioprio)
- {
-@@ -119,6 +120,8 @@ 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;
-@@ -208,6 +211,8 @@ 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-2.6.37/fs/jfs/file.c linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/file.c
---- linux-2.6.37/fs/jfs/file.c 2010-10-21 13:07:50.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/file.c 2010-11-23 02:09:41.000000000 +0100
-@@ -102,7 +102,8 @@ int jfs_setattr(struct dentry *dentry, s
- if (is_quota_modification(inode, iattr))
- dquot_initialize(inode);
- 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)) {
- rc = dquot_transfer(inode, iattr);
- if (rc)
- return rc;
-@@ -133,6 +134,7 @@ const struct inode_operations jfs_file_i
- #ifdef CONFIG_JFS_POSIX_ACL
- .check_acl = jfs_check_acl,
- #endif
-+ .sync_flags = jfs_sync_flags,
- };
++#ifdef CONFIG_VSERVER_COWBL
++ 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 = inode_permission(inode, acc_mode);
+ if (error)
+ return error;
+@@ -3178,6 +3299,16 @@ finish_open:
+ }
+ 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(nd->name->name);
++ if (IS_ERR(dentry))
++ error = PTR_ERR(dentry);
++ else
++ dput(dentry);
++ }
++#endif
+ if (error)
+ goto out;
- const struct file_operations jfs_file_operations = {
-diff -NurpP --minimal linux-2.6.37/fs/jfs/ioctl.c linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/ioctl.c
---- linux-2.6.37/fs/jfs/ioctl.c 2008-12-25 00:26:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/ioctl.c 2010-11-23 02:09:41.000000000 +0100
-@@ -11,6 +11,7 @@
- #include <linux/mount.h>
- #include <linux/time.h>
- #include <linux/sched.h>
-+#include <linux/mount.h>
- #include <asm/current.h>
- #include <asm/uaccess.h>
+@@ -3302,6 +3433,9 @@ static struct file *path_openat(struct n
+ int opened = 0;
+ int error;
-@@ -52,6 +53,16 @@ static long jfs_map_ext2(unsigned long f
++#ifdef CONFIG_VSERVER_COWBL
++restart:
++#endif
+ file = get_empty_filp();
+ if (IS_ERR(file))
+ return file;
+@@ -3328,6 +3462,12 @@ static struct file *path_openat(struct n
+ }
+ }
+ terminate_walk(nd);
++#ifdef CONFIG_VSERVER_COWBL
++ if (error == -EMLINK) {
++ // path_cleanup(nd);
++ goto restart;
++ }
++#endif
+ out2:
+ if (!(opened & FILE_OPENED)) {
+ BUG_ON(!error);
+@@ -3448,6 +3588,11 @@ static struct dentry *filename_create(in
+ goto fail;
+ }
+ putname(name);
++ vxdprintk(VXD_CBIT(misc, 3), "filename_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);
+@@ -3564,6 +3709,7 @@ retry:
+ error = vfs_mknod(path.dentry->d_inode,dentry,mode,0);
+ break;
+ }
++
+ out:
+ done_path_create(&path, dentry);
+ if (retry_estale(error, lookup_flags)) {
+@@ -4010,7 +4156,7 @@ 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->link)
+ return -EPERM;
+@@ -4519,6 +4665,330 @@ int generic_readlink(struct dentry *dent
}
+ EXPORT_SYMBOL(generic_readlink);
-
-+int jfs_sync_flags(struct inode *inode, int flags, int vflags)
++
++#ifdef CONFIG_VSERVER_COWBL
++
++static inline
++void dump_path(const char *name, struct path *path)
+{
-+ 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;
++ vxdprintk(VXD_CBIT(misc, 3),
++ "%s: path=%p mnt=%p dentry=%p", name, path,
++ path ? path->mnt : NULL,
++ path ? path->dentry : NULL);
++
++ if (path && path->mnt)
++ vxdprintk(VXD_CBIT(misc, 3),
++ "%s: path mnt_sb=%p[#%d,#%d] mnt_root=%p[#%d]", name,
++ path->mnt->mnt_sb,
++ path->mnt->mnt_sb ? path->mnt->mnt_sb->s_count : -1,
++ path->mnt->mnt_sb ? atomic_read(&path->mnt->mnt_sb->s_active) : -1,
++ path->mnt->mnt_root,
++ path->mnt->mnt_root ? path->mnt->mnt_root->d_lockref.count : -1);
++
++ if (path && path->dentry)
++ vxdprintk(VXD_CBIT(misc, 3),
++ "%s: path dentry=%p[#%d]", name,
++ path->dentry,
++ path->dentry ? path->dentry->d_lockref.count : -1);
+}
+
- long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
- {
- struct inode *inode = filp->f_dentry->d_inode;
-@@ -85,6 +96,11 @@ long jfs_ioctl(struct file *filp, unsign
- if (!S_ISDIR(inode->i_mode))
- flags &= ~JFS_DIRSYNC_FL;
-
-+ if (IS_BARRIER(inode)) {
-+ vxwprintk_task(1, "messing with the barrier.");
-+ return -EACCES;
-+ }
++static inline
++long do_cow_splice(struct file *in, struct file *out, size_t len)
++{
++ loff_t ppos = 0;
++ loff_t opos = 0;
+
- /* Is it quota file? Do not allow user to mess with it */
- if (IS_NOQUOTA(inode)) {
- err = -EPERM;
-@@ -102,8 +118,8 @@ long jfs_ioctl(struct file *filp, unsign
- * the relevant capability.
- */
- if ((oldflags & JFS_IMMUTABLE_FL) ||
-- ((flags ^ oldflags) &
-- (JFS_APPEND_FL | JFS_IMMUTABLE_FL))) {
-+ ((flags ^ oldflags) & (JFS_APPEND_FL |
-+ JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL))) {
- if (!capable(CAP_LINUX_IMMUTABLE)) {
- mutex_unlock(&inode->i_mutex);
- err = -EPERM;
-@@ -111,7 +127,7 @@ 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-2.6.37/fs/jfs/jfs_dinode.h linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_dinode.h
---- linux-2.6.37/fs/jfs/jfs_dinode.h 2008-12-25 00:26:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_dinode.h 2010-11-23 02:09:41.000000000 +0100
-@@ -161,9 +161,13 @@ struct dinode {
-
- #define JFS_APPEND_FL 0x01000000 /* writes to file may only append */
- #define JFS_IMMUTABLE_FL 0x02000000 /* Immutable file */
-+#define JFS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
-
--#define JFS_FL_USER_VISIBLE 0x03F80000
--#define JFS_FL_USER_MODIFIABLE 0x03F80000
-+#define JFS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
-+#define JFS_COW_FL 0x20000000 /* Copy on Write marker */
++ return do_splice_direct(in, &ppos, out, &opos, len, 0);
++}
+
-+#define JFS_FL_USER_VISIBLE 0x07F80000
-+#define JFS_FL_USER_MODIFIABLE 0x07F80000
- #define JFS_FL_INHERIT 0x03C80000
-
- /* These are identical to EXT[23]_IOC_GETFLAGS/SETFLAGS */
-diff -NurpP --minimal linux-2.6.37/fs/jfs/jfs_filsys.h linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_filsys.h
---- linux-2.6.37/fs/jfs/jfs_filsys.h 2008-12-25 00:26:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_filsys.h 2010-11-23 02:09:41.000000000 +0100
-@@ -263,6 +263,7 @@
- #define JFS_NAME_MAX 255
- #define JFS_PATH_MAX BPSIZE
-
-+#define JFS_TAGGED 0x00800000 /* Context Tagging */
-
- /*
- * file system state (superblock state)
-diff -NurpP --minimal linux-2.6.37/fs/jfs/jfs_imap.c linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_imap.c
---- linux-2.6.37/fs/jfs/jfs_imap.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_imap.c 2010-11-23 02:09:41.000000000 +0100
-@@ -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"
-@@ -3060,6 +3061,8 @@ 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;
-
- jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
- jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
-@@ -3080,14 +3083,18 @@ static int copy_from_dinode(struct dinod
- }
- ip->i_nlink = 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);
++struct dentry *cow_break_link(const char *pathname)
++{
++ int ret, mode, pathlen, redo = 0, drop = 1;
++ struct path old_path = {}, par_path = {}, dir_path = {}, *new_path = NULL;
++ struct dentry *dir, *old_dentry, *new_dentry = NULL;
++ struct file *old_file;
++ struct file *new_file;
++ struct qstr new_qstr;
++ int new_type;
++ char *to, *path, pad='\251';
++ loff_t size;
++ struct filename *filename = getname_kernel(pathname);
++ struct filename *to_filename;
+
-+ jfs_ip->saved_uid = INOTAG_UID(DX_TAG(ip), uid, gid);
- if (sbi->uid == -1)
- 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)
- ip->i_gid = jfs_ip->saved_gid;
- else {
-@@ -3152,14 +3159,12 @@ 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);
-- else
-- dip->di_uid = cpu_to_le32(jfs_ip->saved_uid);
-- if (sbi->gid == -1)
-- dip->di_gid = cpu_to_le32(ip->i_gid);
-- else
-- dip->di_gid = cpu_to_le32(jfs_ip->saved_gid);
++ vxdprintk(VXD_CBIT(misc, 1),
++ "cow_break_link(" VS_Q("%s") ")", pathname);
+
-+ 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));
++ path = kmalloc(PATH_MAX, GFP_KERNEL);
++ ret = -ENOMEM;
++ if (!path || IS_ERR(filename))
++ goto out;
+
- jfs_get_inode_flags(jfs_ip);
- /*
- * mode2 is only needed for storing the higher order bits.
-diff -NurpP --minimal linux-2.6.37/fs/jfs/jfs_inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_inode.c
---- linux-2.6.37/fs/jfs/jfs_inode.c 2010-08-02 16:52:49.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_inode.c 2010-11-23 02:09:41.000000000 +0100
-@@ -18,6 +18,7 @@
-
- #include <linux/fs.h>
- #include <linux/quotaops.h>
-+#include <linux/vs_tag.h>
- #include "jfs_incore.h"
- #include "jfs_inode.h"
- #include "jfs_filsys.h"
-@@ -30,29 +31,46 @@ 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);
-
- if (flags & JFS_IMMUTABLE_FL)
- inode->i_flags |= S_IMMUTABLE;
-+ if (flags & JFS_IXUNLINK_FL)
-+ inode->i_flags |= S_IXUNLINK;
++ /* old_path will have refs to dentry and mnt */
++ ret = filename_lookup(AT_FDCWD, filename, LOOKUP_FOLLOW, &old_path, NULL);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "do_path_lookup(old): %d", ret);
++ if (ret < 0)
++ goto out_free_path;
+
-+ if (flags & JFS_SYNC_FL)
-+ inode->i_flags |= S_SYNC;
- if (flags & JFS_APPEND_FL)
- inode->i_flags |= S_APPEND;
- if (flags & JFS_NOATIME_FL)
- inode->i_flags |= S_NOATIME;
- if (flags & JFS_DIRSYNC_FL)
- inode->i_flags |= S_DIRSYNC;
-- if (flags & JFS_SYNC_FL)
-- inode->i_flags |= S_SYNC;
++ dump_path("cow (old)", &old_path);
+
-+ inode->i_vflags &= ~(V_BARRIER | V_COW);
++ /* no explicit reference for old_dentry here */
++ old_dentry = old_path.dentry;
+
-+ if (flags & JFS_BARRIER_FL)
-+ inode->i_vflags |= V_BARRIER;
-+ if (flags & JFS_COW_FL)
-+ inode->i_vflags |= V_COW;
- }
-
- void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)
- {
- unsigned int flags = jfs_ip->vfs_inode.i_flags;
-+ unsigned int vflags = jfs_ip->vfs_inode.i_vflags;
++ /* speculative put */
++ // dput(old_dentry);
+
-+ jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL |
-+ JFS_APPEND_FL | JFS_NOATIME_FL |
-+ JFS_DIRSYNC_FL | JFS_SYNC_FL |
-+ JFS_BARRIER_FL | JFS_COW_FL);
-
-- jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_APPEND_FL | JFS_NOATIME_FL |
-- JFS_DIRSYNC_FL | JFS_SYNC_FL);
- if (flags & S_IMMUTABLE)
- jfs_ip->mode2 |= JFS_IMMUTABLE_FL;
-+ if (flags & S_IXUNLINK)
-+ jfs_ip->mode2 |= JFS_IXUNLINK_FL;
++ 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 " 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);
+
- if (flags & S_APPEND)
- jfs_ip->mode2 |= JFS_APPEND_FL;
- if (flags & S_NOATIME)
-@@ -61,6 +79,11 @@ void jfs_get_inode_flags(struct jfs_inod
- jfs_ip->mode2 |= JFS_DIRSYNC_FL;
- if (flags & S_SYNC)
- jfs_ip->mode2 |= JFS_SYNC_FL;
++ to[pathlen + 1] = 0;
++retry:
++ new_dentry = NULL;
++ to[pathlen] = pad--;
++ ret = -ELOOP;
++ if (pad <= '\240')
++ goto out_rel_old;
+
-+ if (vflags & V_BARRIER)
-+ jfs_ip->mode2 |= JFS_BARRIER_FL;
-+ if (vflags & V_COW)
-+ jfs_ip->mode2 |= JFS_COW_FL;
- }
-
- /*
-diff -NurpP --minimal linux-2.6.37/fs/jfs/jfs_inode.h linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_inode.h
---- linux-2.6.37/fs/jfs/jfs_inode.h 2010-10-21 13:07:50.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/jfs_inode.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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 *, int, int);
- extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
- extern int jfs_setattr(struct dentry *, struct iattr *);
-
-diff -NurpP --minimal linux-2.6.37/fs/jfs/namei.c linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/namei.c
---- linux-2.6.37/fs/jfs/namei.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/namei.c 2010-11-23 02:09:41.000000000 +0100
-@@ -21,6 +21,7 @@
- #include <linux/ctype.h>
- #include <linux/quotaops.h>
- #include <linux/exportfs.h>
-+#include <linux/vs_tag.h>
- #include "jfs_incore.h"
- #include "jfs_superblock.h"
- #include "jfs_inode.h"
-@@ -1491,6 +1492,7 @@ static struct dentry *jfs_lookup(struct
- return ERR_CAST(ip);
- }
-
-+ dx_propagate_tag(nd, ip);
- dentry = d_splice_alias(ip, dentry);
-
- if (dentry && (JFS_SBI(dip->i_sb)->mntflag & JFS_OS2))
-@@ -1560,6 +1562,7 @@ const struct inode_operations jfs_dir_in
- #ifdef CONFIG_JFS_POSIX_ACL
- .check_acl = jfs_check_acl,
- #endif
-+ .sync_flags = jfs_sync_flags,
- };
-
- const struct file_operations jfs_dir_operations = {
-diff -NurpP --minimal linux-2.6.37/fs/jfs/super.c linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/super.c
---- linux-2.6.37/fs/jfs/super.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/jfs/super.c 2010-11-23 03:40:34.000000000 +0100
-@@ -190,7 +190,8 @@ static void jfs_put_super(struct super_b
- 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_tag, Opt_notag, Opt_tagid
- };
-
- static const match_table_t tokens = {
-@@ -200,6 +201,10 @@ static const match_table_t tokens = {
- {Opt_resize, "resize=%u"},
- {Opt_resize_nosize, "resize"},
- {Opt_errors, "errors=%s"},
-+ {Opt_tag, "tag"},
-+ {Opt_notag, "notag"},
-+ {Opt_tagid, "tagid=%u"},
-+ {Opt_tag, "tagxid"},
- {Opt_ignore, "noquota"},
- {Opt_ignore, "quota"},
- {Opt_usrquota, "usrquota"},
-@@ -334,6 +339,20 @@ static int parse_options(char *options,
- }
- break;
- }
-+#ifndef CONFIG_TAGGING_NONE
-+ case Opt_tag:
-+ *flag |= JFS_TAGGED;
-+ break;
-+ case Opt_notag:
-+ *flag &= JFS_TAGGED;
-+ break;
-+#endif
-+#ifdef CONFIG_PROPAGATE
-+ case Opt_tagid:
-+ /* use args[0] */
-+ *flag |= JFS_TAGGED;
-+ break;
-+#endif
- default:
- printk("jfs: Unrecognized mount option \"%s\" "
- " or missing value\n", p);
-@@ -365,6 +384,12 @@ static int jfs_remount(struct super_bloc
- 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);
-+ return -EINVAL;
++ vxdprintk(VXD_CBIT(misc, 1), "temp copy " VS_Q("%s"), to);
++
++ /* dir_path will have refs to dentry and mnt */
++ to_filename = getname_kernel(to);
++ to_filename = filename_parentat(AT_FDCWD, to_filename,
++ LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE, &par_path, &new_qstr, &new_type);
++ vxdprintk(VXD_CBIT(misc, 2), "filename_parentat(new): %p", to_filename);
++ dump_path("cow (par)", &par_path);
++ if (IS_ERR(to_filename))
++ goto retry;
++
++ vxdprintk(VXD_CBIT(misc, 2), "to_filename refcnt=%d", to_filename->refcnt);
++ // putname(to_filename);
++
++ /* 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 = filename_create(AT_FDCWD, to_filename, &dir_path, 0);
++ if (!new_dentry || IS_ERR(new_dentry)) {
++ path_put(&par_path);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "filename_create(new) failed with %ld",
++ PTR_ERR(new_dentry));
++ goto retry;
+ }
++ vxdprintk(VXD_CBIT(misc, 2),
++ "filename_create(new): %p [" VS_Q("%.*s") ":%d]",
++ new_dentry,
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len);
+
- if (newLVSize) {
- if (sb->s_flags & MS_RDONLY) {
- printk(KERN_ERR
-@@ -447,6 +472,9 @@ static int jfs_fill_super(struct super_b
- #ifdef CONFIG_JFS_POSIX_ACL
- sb->s_flags |= MS_POSIXACL;
- #endif
-+ /* map mount option tagxid */
-+ if (sbi->flag & JFS_TAGGED)
-+ sb->s_flags |= MS_TAGGED;
-
- if (newLVSize) {
- printk(KERN_ERR "resize option for remount only\n");
-diff -NurpP --minimal linux-2.6.37/fs/libfs.c linux-2.6.37-vs2.3.0.37-rc3/fs/libfs.c
---- linux-2.6.37/fs/libfs.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/libfs.c 2010-11-23 02:09:41.000000000 +0100
-@@ -124,7 +124,8 @@ 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)
-+static inline int do_dcache_readdir_filter(struct file *filp,
-+ void *dirent, filldir_t filldir, int (*filter)(struct dentry *dentry))
- {
- struct dentry *dentry = filp->f_path.dentry;
- struct dentry *cursor = filp->private_data;
-@@ -157,6 +158,8 @@ 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;
-
- spin_unlock(&dcache_lock);
- if (filldir(dirent, next->d_name.name,
-@@ -175,6 +178,18 @@ int dcache_readdir(struct file * filp, v
- return 0;
- }
-
-+int dcache_readdir(struct file *filp, void *dirent, filldir_t filldir)
-+{
-+ return do_dcache_readdir_filter(filp, dirent, filldir, NULL);
-+}
++ dump_path("cow (dir)", &dir_path);
+
-+int dcache_readdir_filter(struct file *filp, void *dirent, filldir_t filldir,
-+ int (*filter)(struct dentry *))
-+{
-+ return do_dcache_readdir_filter(filp, dirent, filldir, filter);
-+}
++ /* take a reference on new_dentry */
++ dget(new_dentry);
+
++ /* dentry/mnt refs handed over to new_path */
++ new_path = &dir_path;
+
- ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t *ppos)
- {
- return -EISDIR;
-@@ -948,6 +963,7 @@ 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(mount_pseudo);
- EXPORT_SYMBOL(simple_write_begin);
-diff -NurpP --minimal linux-2.6.37/fs/locks.c linux-2.6.37-vs2.3.0.37-rc3/fs/locks.c
---- linux-2.6.37/fs/locks.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/locks.c 2010-11-23 03:38:48.000000000 +0100
-@@ -126,6 +126,8 @@
- #include <linux/time.h>
- #include <linux/rcupdate.h>
- #include <linux/pid_namespace.h>
-+#include <linux/vs_base.h>
-+#include <linux/vs_limit.h>
-
- #include <asm/uaccess.h>
-
-@@ -164,6 +166,8 @@ static struct kmem_cache *filelock_cache
- /* Allocate an empty lock structure. */
- struct file_lock *locks_alloc_lock(void)
- {
-+ if (!vx_locks_avail(1))
-+ return NULL;
- return kmem_cache_alloc(filelock_cache, GFP_KERNEL);
- }
- EXPORT_SYMBOL_GPL(locks_alloc_lock);
-@@ -191,6 +195,7 @@ void locks_free_lock(struct file_lock *f
- BUG_ON(!list_empty(&fl->fl_block));
- BUG_ON(!list_empty(&fl->fl_link));
-
-+ vx_locks_dec(fl);
- locks_release_private(fl);
- kmem_cache_free(filelock_cache, fl);
- }
-@@ -212,6 +217,7 @@ void locks_init_lock(struct file_lock *f
- fl->fl_start = fl->fl_end = 0;
- fl->fl_ops = NULL;
- fl->fl_lmops = NULL;
-+ fl->fl_xid = -1;
- }
-
- EXPORT_SYMBOL(locks_init_lock);
-@@ -263,6 +269,7 @@ void locks_copy_lock(struct file_lock *n
- new->fl_file = fl->fl_file;
- new->fl_ops = fl->fl_ops;
- new->fl_lmops = fl->fl_lmops;
-+ new->fl_xid = fl->fl_xid;
-
- locks_copy_private(new, fl);
- }
-@@ -301,6 +308,11 @@ static int flock_make_lock(struct file *
- fl->fl_flags = FL_FLOCK;
- fl->fl_type = type;
- fl->fl_end = OFFSET_MAX;
++ /* dentry for old/new dir */
++ dir = par_path.dentry;
+
-+ vxd_assert(filp->f_xid == vx_current_xid(),
-+ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
-+ fl->fl_xid = filp->f_xid;
-+ vx_locks_inc(fl);
-
- *lock = fl;
- return 0;
-@@ -466,6 +478,7 @@ static int lease_init(struct file *filp,
-
- fl->fl_owner = current->files;
- fl->fl_pid = current->tgid;
-+ fl->fl_xid = vx_current_xid();
-
- fl->fl_file = filp;
- fl->fl_flags = FL_LEASE;
-@@ -485,6 +498,11 @@ static struct file_lock *lease_alloc(str
- if (fl == NULL)
- return ERR_PTR(error);
-
-+ fl->fl_xid = vx_current_xid();
-+ if (filp)
-+ vxd_assert(filp->f_xid == fl->fl_xid,
-+ "f_xid(%d) == fl_xid(%d)", filp->f_xid, fl->fl_xid);
-+ vx_locks_inc(fl);
- error = lease_init(filp, type, fl);
- if (error) {
- locks_free_lock(fl);
-@@ -786,6 +804,7 @@ static int flock_lock_file(struct file *
- lock_flocks();
- }
-
-+ new_fl->fl_xid = -1;
- find_conflict:
- for_each_lock(inode, before) {
- struct file_lock *fl = *before;
-@@ -806,6 +825,7 @@ find_conflict:
- goto out;
- locks_copy_lock(new_fl, request);
- locks_insert_lock(before, new_fl);
-+ vx_locks_inc(new_fl);
- new_fl = NULL;
- error = 0;
-
-@@ -816,7 +836,8 @@ 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 *fl;
- struct file_lock *new_fl = NULL;
-@@ -826,6 +847,8 @@ static int __posix_lock_file(struct inod
- struct file_lock **before;
- int error, added = 0;
-
-+ 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.
-@@ -836,7 +859,11 @@ 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();
-+ new_fl->fl_xid = xid;
-+ vx_locks_inc(new_fl);
- new_fl2 = locks_alloc_lock();
-+ new_fl2->fl_xid = xid;
-+ vx_locks_inc(new_fl2);
- }
-
- lock_flocks();
-@@ -1035,7 +1062,8 @@ 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,
-+ fl, conflock, filp->f_xid);
- }
- EXPORT_SYMBOL(posix_lock_file);
-
-@@ -1125,7 +1153,7 @@ int locks_mandatory_area(int read_write,
- fl.fl_end = offset + count - 1;
-
- for (;;) {
-- 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);
-@@ -1438,6 +1466,7 @@ int generic_setlease(struct file *filp,
- goto out;
-
- locks_insert_lock(before, lease);
-+ vx_locks_inc(lease);
- return 0;
-
- out:
-@@ -1822,6 +1851,11 @@ int fcntl_setlk(unsigned int fd, struct
- if (file_lock == NULL)
- return -ENOLCK;
-
-+ vxd_assert(filp->f_xid == vx_current_xid(),
-+ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
-+ file_lock->fl_xid = filp->f_xid;
-+ vx_locks_inc(file_lock);
++ /* give up reference on dir */
++ dput(new_path->dentry);
+
- /*
- * This might block, so we do it before checking the inode.
- */
-@@ -1940,6 +1974,11 @@ int fcntl_setlk64(unsigned int fd, struc
- if (file_lock == NULL)
- return -ENOLCK;
-
-+ vxd_assert(filp->f_xid == vx_current_xid(),
-+ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
-+ file_lock->fl_xid = filp->f_xid;
-+ vx_locks_inc(file_lock);
++ /* new_dentry already has a reference */
++ new_path->dentry = new_dentry;
+
- /*
- * This might block, so we do it before checking the inode.
- */
-@@ -2205,8 +2244,11 @@ static int locks_show(struct seq_file *f
-
- lock_get_status(f, fl, *((loff_t *)f->private), "");
-
-- 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, *((loff_t *)f->private), " ->");
-+ }
-
- return 0;
- }
-diff -NurpP --minimal linux-2.6.37/fs/namei.c linux-2.6.37-vs2.3.0.37-rc3/fs/namei.c
---- linux-2.6.37/fs/namei.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/namei.c 2011-01-05 22:30:39.000000000 +0100
-@@ -32,6 +32,14 @@
- #include <linux/fcntl.h>
- #include <linux/device_cgroup.h>
- #include <linux/fs_struct.h>
-+#include <linux/proc_fs.h>
-+#include <linux/vserver/inode.h>
-+#include <linux/vs_base.h>
-+#include <linux/vs_tag.h>
-+#include <linux/vs_cowbl.h>
-+#include <linux/vs_device.h>
-+#include <linux/vs_context.h>
-+#include <linux/pid_namespace.h>
- #include <asm/uaccess.h>
-
- #include "internal.h"
-@@ -166,6 +174,84 @@ void putname(const char *name)
- EXPORT_SYMBOL(putname);
- #endif
-
-+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 1;
++ ret = vfs_create(dir->d_inode, new_dentry, mode, 1);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "vfs_create(new): %d", ret);
++ if (ret == -EEXIST) {
++ path_put(&par_path);
++ mutex_unlock(&dir->d_inode->i_mutex);
++ mnt_drop_write(new_path->mnt);
++ path_put(new_path);
++ new_dentry = NULL;
++ goto retry;
+ }
-+ return 0;
-+}
++ else if (ret < 0)
++ goto out_unlock_new;
+
-+static int __dx_permission(const struct inode *inode, int mask)
-+{
-+ if (dx_barrier(inode))
-+ return -EACCES;
++ /* the old file went away */
++ ret = -ENOENT;
++ if ((redo = d_unhashed(old_dentry)))
++ goto out_unlock_new;
+
-+ 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))
-+ return 0;
++ /* 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 (IS_ERR(old_file)) {
++ ret = PTR_ERR(old_file);
++ goto out_unlock_new;
++ }
+
-+ /* just pretend we didn't find anything */
-+ return -ENOENT;
++ /* 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);
++ if (IS_ERR(new_file)) {
++ ret = PTR_ERR(new_file);
++ goto out_fput_old;
+ }
-+ 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))
-+ goto out;
++ /* unlock the inode mutex from filename_create() */
++ mutex_unlock(&dir->d_inode->i_mutex);
+
-+ if ((mask & (MAY_WRITE | MAY_APPEND))) {
-+ struct pid *pid;
-+ struct task_struct *tsk;
++ /* drop write access to mnt */
++ mnt_drop_write(new_path->mnt);
+
-+ if (vx_check(0, VS_ADMIN | VS_WATCH_P) ||
-+ vx_flags(VXF_STATE_SETUP, 0))
-+ return 0;
++ drop = 0;
+
-+ pid = PROC_I(inode)->pid;
-+ if (!pid)
-+ goto out;
++ size = i_size_read(old_file->f_path.dentry->d_inode);
++ ret = do_cow_splice(old_file, new_file, size);
++ vxdprintk(VXD_CBIT(misc, 2), "do_splice_direct: %d", ret);
++ if (ret < 0) {
++ goto out_fput_both;
++ } else if (ret < size) {
++ ret = -ENOSPC;
++ goto out_fput_both;
++ } else {
++ 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
++ };
+
-+ 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))
-+ return 0;
-+ }
-+ else {
-+ /* FIXME: Should we block some entries here? */
-+ return 0;
-+ }
-+ }
-+ else {
-+ if (dx_notagcheck(inode->i_sb) ||
-+ dx_check(inode->i_tag, DX_HOSTID | DX_ADMIN | DX_WATCH |
-+ DX_IDENT))
-+ return 0;
++ setattr_copy(new_inode, &attr);
++ mark_inode_dirty(new_inode);
+ }
+
-+out:
-+ return -EACCES;
-+}
++ /* lock rename mutex */
++ mutex_lock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
+
-+int dx_permission(const struct inode *inode, int mask)
-+{
-+ int ret = __dx_permission(inode, mask);
-+ if (unlikely(ret)) {
-+#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, inode->i_tag,
-+ inode->i_ino);
-+ }
-+ return ret;
-+}
++ /* drop out late */
++ ret = -ENOENT;
++ if ((redo = d_unhashed(old_dentry)))
++ goto out_unlock;
+
- /*
- * This does basic POSIX ACL permission checking
- */
-@@ -266,10 +352,14 @@ int inode_permission(struct inode *inode
- /*
- * Nobody gets write access to an immutable file.
- */
-- if (IS_IMMUTABLE(inode))
-+ if (IS_IMMUTABLE(inode) && !IS_COW(inode))
- return -EACCES;
- }
-
-+ retval = dx_permission(inode, mask);
-+ if (retval)
-+ return retval;
++ vxdprintk(VXD_CBIT(misc, 2),
++ "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(par_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);
+
- if (inode->i_op->permission)
- retval = inode->i_op->permission(inode, mask);
- else
-@@ -463,6 +553,9 @@ static int exec_permission(struct inode
- {
- int ret;
-
-+ if (dx_barrier(inode))
-+ return -EACCES;
-+
- if (inode->i_op->permission) {
- ret = inode->i_op->permission(inode, MAY_EXEC);
- if (!ret)
-@@ -672,7 +765,8 @@ static __always_inline void follow_dotdo
-
- if (nd->path.dentry == nd->root.dentry &&
- nd->path.mnt == nd->root.mnt) {
-- break;
-+ /* for sane '/' avoid follow_mount() */
-+ return;
- }
- if (nd->path.dentry != nd->path.mnt->mnt_root) {
- /* rare case of legitimate dget_parent()... */
-@@ -725,7 +819,7 @@ static int do_lookup(struct nameidata *n
- {
- struct vfsmount *mnt = nd->path.mnt;
- struct dentry *dentry, *parent;
-- struct inode *dir;
-+ struct inode *dir, *inode;
- /*
- * See if the low-level filesystem might want
- * to use its own hash..
-@@ -747,12 +841,31 @@ static int do_lookup(struct nameidata *n
- found:
- 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;
- done:
- path->mnt = mnt;
- path->dentry = dentry;
- __follow_mount(path);
- return 0;
-
-+hidden:
-+#ifndef CONFIG_VSERVER_WARN_DEVPTS
-+ if (inode->i_sb->s_magic != DEVPTS_SUPER_MAGIC)
-+#endif
-+ vxwprintk_task(1,
-+ "did lookup hidden %s:%p[#%d,%lu] " VS_Q("%s/%.*s") ".",
-+ inode->i_sb->s_id, inode, inode->i_tag, inode->i_ino,
-+ vxd_path(&nd->path), name->len, name->name);
-+
-+ dput(dentry);
-+ return -ENOENT;
-+
- need_lookup:
- parent = nd->path.dentry;
- dir = parent->d_inode;
-@@ -1301,7 +1414,7 @@ static int may_delete(struct inode *dir,
- if (IS_APPEND(dir))
- return -EPERM;
- if (check_sticky(dir, victim->d_inode)||IS_APPEND(victim->d_inode)||
-- IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
-+ IS_IXORUNLINK(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
- return -EPERM;
- if (isdir) {
- if (!S_ISDIR(victim->d_inode->i_mode))
-@@ -1424,6 +1537,14 @@ int may_open(struct path *path, int acc_
- break;
- }
-
-+#ifdef CONFIG_VSERVER_COWBL
-+ if (IS_COW(inode) && (flag & FMODE_WRITE)) {
-+ if (IS_COW_LINK(inode))
-+ return -EMLINK;
-+ inode->i_flags &= ~(S_IXUNLINK|S_IMMUTABLE);
-+ mark_inode_dirty(inode);
-+ }
-+#endif
- error = inode_permission(inode, acc_mode);
- if (error)
- return error;
-@@ -1532,7 +1653,8 @@ static int open_will_truncate(int flag,
- }
-
- static struct file *finish_open(struct nameidata *nd,
-- int open_flag, int acc_mode)
-+ int open_flag, int acc_mode,
-+ const char *pathname)
- {
- struct file *filp;
- int will_truncate;
-@@ -1545,6 +1667,23 @@ static struct file *finish_open(struct n
- goto exit;
- }
- 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)) {
-+ error = PTR_ERR(dentry);
-+ goto exit_cow;
-+ }
-+ dput(dentry);
-+ if (will_truncate)
-+ mnt_drop_write(nd->path.mnt);
-+ release_open_intent(nd);
-+ path_put(&nd->path);
-+ return ERR_PTR(-EMLINK);
-+ }
-+exit_cow:
-+#endif
- if (error) {
- if (will_truncate)
- mnt_drop_write(nd->path.mnt);
-@@ -1715,7 +1854,7 @@ static struct file *do_last(struct namei
- if (S_ISDIR(path->dentry->d_inode->i_mode))
- goto exit;
- ok:
-- filp = finish_open(nd, open_flag, acc_mode);
-+ filp = finish_open(nd, open_flag, acc_mode, pathname);
- return filp;
-
- exit_mutex_unlock:
-@@ -1744,7 +1883,11 @@ struct file *do_filp_open(int dfd, const
- int count = 0;
- int flag = open_to_namei_flags(open_flag);
- int force_reval = 0;
--
-+#ifdef CONFIG_VSERVER_COWBL
-+ int rflag = flag;
-+ int rmode = mode;
-+restart:
-+#endif
- if (!(open_flag & O_CREAT))
- mode = 0;
-
-@@ -1813,6 +1956,13 @@ reval:
- if (!(open_flag & O_NOFOLLOW))
- nd.flags |= LOOKUP_FOLLOW;
- filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
-+#ifdef CONFIG_VSERVER_COWBL
-+ if (unlikely(IS_ERR(filp) && PTR_ERR(filp) == -EMLINK)) {
-+ flag = rflag;
-+ mode = rmode;
-+ goto restart;
-+ }
-+#endif
- while (unlikely(!filp)) { /* trailing symlink */
- struct path holder;
- struct inode *inode = path.dentry->d_inode;
-@@ -1851,6 +2001,13 @@ reval:
- holder = path;
- nd.flags &= ~LOOKUP_PARENT;
- filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
-+#ifdef CONFIG_VSERVER_COWBL
-+ if (unlikely(IS_ERR(filp) && PTR_ERR(filp) == -EMLINK)) {
-+ flag = rflag;
-+ mode = rmode;
-+ goto restart;
-+ }
-+#endif
- if (inode->i_op->put_link)
- inode->i_op->put_link(holder.dentry, &nd, cookie);
- path_put(&holder);
-@@ -1951,9 +2108,17 @@ 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;
-
-+ 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->mknod)
- return -EPERM;
-
-@@ -2418,7 +2583,7 @@ 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->link)
- return -EPERM;
-@@ -2790,6 +2955,222 @@ int vfs_follow_link(struct nameidata *nd
- return __vfs_follow_link(nd, link);
- }
-
-+
-+#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;
-+
-+ return do_splice_direct(in, &ppos, out, len, 0);
-+}
-+
-+struct dentry *cow_break_link(const char *pathname)
-+{
-+ int ret, mode, pathlen, redo = 0;
-+ struct nameidata old_nd, dir_nd;
-+ struct path old_path, new_path;
-+ struct dentry *dir, *res = 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(" 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);
-+ if (ret < 0)
-+ goto out_free_path;
-+
-+ old_path = old_nd.path;
-+ mode = old_path.dentry->d_inode->i_mode;
-+
-+ to = d_path(&old_path, path, PATH_MAX-2);
-+ pathlen = strlen(to);
-+ vxdprintk(VXD_CBIT(misc, 2),
-+ "old path " VS_Q("%s") " [" VS_Q("%.*s") ":%d]", to,
-+ old_path.dentry->d_name.len, old_path.dentry->d_name.name,
-+ old_path.dentry->d_name.len);
-+
-+ to[pathlen + 1] = 0;
-+retry:
-+ to[pathlen] = pad--;
-+ ret = -EMLINK;
-+ if (pad <= '\240')
-+ goto out_rel_old;
-+
-+ vxdprintk(VXD_CBIT(misc, 1), "temp copy " VS_Q("%s"), to);
-+ /* dir_nd will have refs to dentry and mnt */
-+ ret = path_lookup(to,
-+ LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE, &dir_nd);
-+ vxdprintk(VXD_CBIT(misc, 2),
-+ "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);
-+ path_put(&dir_nd.path);
-+ goto retry;
-+ }
-+ vxdprintk(VXD_CBIT(misc, 2),
-+ "lookup_create(new): %p [" VS_Q("%.*s") ":%d]",
-+ new_path.dentry,
-+ new_path.dentry->d_name.len, new_path.dentry->d_name.name,
-+ new_path.dentry->d_name.len);
-+ dir = dir_nd.path.dentry;
-+
-+ ret = vfs_create(dir_nd.path.dentry->d_inode, new_path.dentry, mode, &dir_nd);
-+ 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);
-+ goto retry;
-+ }
-+ else if (ret < 0)
-+ goto out_unlock_new;
-+
-+ /* drop out early, ret passes ENOENT */
-+ ret = -ENOENT;
-+ if ((redo = d_unhashed(old_path.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, 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;
-+ 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, 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))
-+ goto out_fput_old;
-+
-+ size = i_size_read(old_file->f_dentry->d_inode);
-+ ret = do_cow_splice(old_file, new_file, size);
-+ vxdprintk(VXD_CBIT(misc, 2), "do_splice_direct: %d", ret);
-+ if (ret < 0) {
-+ goto out_fput_both;
-+ } else if (ret < 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 iattr attr = {
-+ .ia_uid = old_inode->i_uid,
-+ .ia_gid = old_inode->i_gid,
-+ .ia_valid = ATTR_UID | ATTR_GID
-+ };
-+
-+ setattr_copy(new_inode, &attr);
-+ mark_inode_dirty(new_inode);
-+ }
-+
-+ mutex_lock(&old_path.dentry->d_inode->i_sb->s_vfs_rename_mutex);
-+
-+ /* drop out late */
-+ ret = -ENOENT;
-+ if ((redo = d_unhashed(old_path.dentry)))
-+ goto out_unlock;
-+
-+ vxdprintk(VXD_CBIT(misc, 2),
-+ "vfs_rename: [" VS_Q("%*s") ":%d] -> [" VS_Q("%*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);
-+ 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);
++out_unlock:
++ mutex_unlock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
+
+out_fput_both:
+ vxdprintk(VXD_CBIT(misc, 3),
+ fput(old_file);
+
+out_unlock_new:
-+ mutex_unlock(&dir->d_inode->i_mutex);
++ /* drop references from par_path */
++ path_put(&par_path);
++
++ if (drop) {
++ /* unlock the inode mutex from filename_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_path will be freed as old_path in out_rel_old */
++ ret = filename_lookup(AT_FDCWD, filename, LOOKUP_FOLLOW, &old_path, NULL);
+ 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 [" VS_Q("%.*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);
++ dump_path("put (new)", new_path);
++ if (new_path)
++ path_put(new_path);
+out_rel_old:
-+ path_put(&old_nd.path);
++ dump_path("put (old)", &old_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);
++ }
++ // if (!IS_ERR(filename))
++ // putname(filename);
++ 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-2.6.37/fs/namespace.c linux-2.6.37-vs2.3.0.37-rc3/fs/namespace.c
---- linux-2.6.37/fs/namespace.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/namespace.c 2010-11-23 02:09:41.000000000 +0100
-@@ -31,6 +31,11 @@
- #include <linux/idr.h>
- #include <linux/fs_struct.h>
- #include <linux/fsnotify.h>
+diff -NurpP --minimal linux-4.4.111/fs/namespace.c linux-4.4.111-vs2.3.9.5/fs/namespace.c
+--- linux-4.4.111/fs/namespace.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/namespace.c 2018-01-09 16:36:32.000000000 +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"
-@@ -600,6 +605,7 @@ 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);
-@@ -698,6 +704,31 @@ static inline void mangle(struct seq_fil
- seq_escape(m, s, " \t\n\\");
- }
+ #include "internal.h"
-+static int mnt_is_reachable(struct vfsmount *mnt)
-+{
-+ struct path root;
-+ struct dentry *point;
-+ int ret;
-+
-+ if (mnt == mnt->mnt_ns->root)
-+ return 1;
-+
-+ br_read_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);
-+
-+ br_read_unlock(vfsmount_lock);
-+
-+ return ret;
-+}
+@@ -971,6 +976,10 @@ 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);
+@@ -1046,6 +1055,7 @@ 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();
+@@ -1620,7 +1630,8 @@ 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);
+ }
+
/*
- * Simple .show_options callback for filesystems which don't want to
- * implement more complex mount option showing.
-@@ -800,6 +831,8 @@ 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;
-@@ -846,10 +879,20 @@ static int show_vfsmnt(struct seq_file *
- int err = 0;
- struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
+@@ -2121,6 +2132,7 @@ static int do_change_type(struct path *p
+ if (err)
+ goto out_unlock;
+ }
++ // mnt->mnt_flags = mnt_flags;
-- 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);
-@@ -879,6 +922,11 @@ 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\\");
-@@ -937,17 +985,27 @@ 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 ");
-@@ -1193,7 +1251,7 @@ 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);
-@@ -1219,7 +1277,7 @@ SYSCALL_DEFINE1(oldumount, char __user *
-
- static int mount_is_safe(struct path *path)
- {
-- if (capable(CAP_SYS_ADMIN))
-+ if (vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
- return 0;
- return -EPERM;
- #ifdef notyet
-@@ -1509,7 +1567,7 @@ static int do_change_type(struct path *p
- int type;
- int err = 0;
-
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_NAMESPACE))
- return -EPERM;
-
- if (path->dentry != path->mnt->mnt_root)
-@@ -1540,11 +1598,13 @@ static int do_change_type(struct path *p
+ lock_mount_hash();
+ for (m = mnt; m; m = (recurse ? next_mnt(m, mnt) : NULL))
+@@ -2149,12 +2161,14 @@ static bool has_locked_children(struct m
* do loopback mount.
*/
- static int do_loopback(struct path *path, char *old_name,
+ static int do_loopback(struct path *path, const char *old_name,
- int recurse)
-+ tag_t tag, unsigned long flags, int mnt_flags)
++ vtag_t tag, unsigned long flags, int mnt_flags)
{
struct path old_path;
- struct vfsmount *mnt = NULL;
- int err = mount_is_safe(path);
+ struct mount *mnt = NULL, *old, *parent;
+ struct mountpoint *mp;
+ int recurse = flags & MS_REC;
+ int err;
+
- if (err)
- return err;
if (!old_name || !*old_name)
-@@ -1579,6 +1639,7 @@ static int do_loopback(struct path *path
- br_write_unlock(vfsmount_lock);
- release_mounts(&umount_list);
- }
-+ mnt->mnt_flags = mnt_flags;
-
- out:
- up_write(&namespace_sem);
-@@ -1609,12 +1670,12 @@ static int change_mount_flags(struct vfs
+ return -EINVAL;
+ err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);
+@@ -2234,7 +2248,7 @@ static int change_mount_flags(struct vfs
* on it - tough luck.
*/
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 = path->mnt->mnt_sb;
-
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_REMOUNT))
- return -EPERM;
-
- if (!check_mnt(path->mnt))
-@@ -1658,7 +1719,7 @@ static int do_move_mount(struct path *pa
- struct path old_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;
-@@ -1740,7 +1801,7 @@ static int do_new_mount(struct path *pat
- 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);
-@@ -2006,6 +2067,7 @@ long do_mount(char *dev_name, char *dir_
+@@ -2742,6 +2756,7 @@ 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)
-@@ -2033,6 +2095,12 @@ long do_mount(char *dev_name, char *dir_
+@@ -2767,6 +2782,12 @@ long do_mount(const char *dev_name, cons
if (!(flags & MS_NOATIME))
mnt_flags |= MNT_RELATIME;
/* Separate the per-mountpoint flags */
if (flags & MS_NOSUID)
mnt_flags |= MNT_NOSUID;
-@@ -2049,15 +2117,17 @@ long do_mount(char *dev_name, char *dir_
- if (flags & MS_RDONLY)
- mnt_flags |= MNT_READONLY;
+@@ -2791,15 +2812,17 @@ 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_BORN |
MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
retval = do_change_type(&path, flags);
else if (flags & MS_MOVE)
-@@ -2136,6 +2206,7 @@ static struct mnt_namespace *dup_mnt_ns(
- q = next_mnt(q, new_ns->root);
+@@ -2919,6 +2942,7 @@ 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);
-@@ -2277,9 +2348,10 @@ 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)) &&
+@@ -3094,9 +3118,10 @@ 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;
-@@ -2412,6 +2484,7 @@ void put_mnt_ns(struct mnt_namespace *ns
- br_write_unlock(vfsmount_lock);
- up_write(&namespace_sem);
- release_mounts(&umount_list);
+ goto out4;
+ if (!check_mnt(root_mnt) || !check_mnt(new_mnt))
+ goto out4;
+@@ -3234,6 +3259,7 @@ 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);
}
- EXPORT_SYMBOL(put_mnt_ns);
-diff -NurpP --minimal linux-2.6.37/fs/nfs/client.c linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/client.c
---- linux-2.6.37/fs/nfs/client.c 2011-01-05 21:50:24.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/client.c 2010-11-23 02:09:41.000000000 +0100
-@@ -747,6 +747,9 @@ static int nfs_init_server_rpcclient(str
+
+diff -NurpP --minimal linux-4.4.111/fs/nfs/client.c linux-4.4.111-vs2.3.9.5/fs/nfs/client.c
+--- linux-4.4.111/fs/nfs/client.c 2016-07-05 04:15:08.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/nfs/client.c 2018-01-09 16:36:32.000000000 +0000
+@@ -583,6 +583,9 @@ 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;
}
-
-@@ -920,6 +923,10 @@ static void nfs_server_set_fsinfo(struct
+ EXPORT_SYMBOL_GPL(nfs_init_server_rpcclient);
+@@ -760,6 +763,10 @@ static void nfs_server_set_fsinfo(struct
server->acdirmin = server->acdirmax = 0;
}
server->maxfilesize = fsinfo->maxfilesize;
server->time_delta = fsinfo->time_delta;
-diff -NurpP --minimal linux-2.6.37/fs/nfs/dir.c linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/dir.c
---- linux-2.6.37/fs/nfs/dir.c 2011-01-05 21:50:25.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/dir.c 2011-01-05 22:30:39.000000000 +0100
-@@ -35,6 +35,7 @@
+diff -NurpP --minimal linux-4.4.111/fs/nfs/dir.c linux-4.4.111-vs2.3.9.5/fs/nfs/dir.c
+--- linux-4.4.111/fs/nfs/dir.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/nfs/dir.c 2018-01-09 16:36:32.000000000 +0000
+@@ -37,6 +37,7 @@
#include <linux/sched.h>
- #include <linux/vmalloc.h>
#include <linux/kmemleak.h>
+ #include <linux/xattr.h>
+#include <linux/vs_tag.h>
#include "delegation.h"
#include "iostat.h"
-@@ -1221,6 +1222,7 @@ static struct dentry *nfs_lookup(struct
- if (IS_ERR(res))
- goto out_unblock_sillyrename;
+@@ -1396,6 +1397,7 @@ 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);
+ res = d_splice_alias(inode, dentry);
if (res != NULL) {
-diff -NurpP --minimal linux-2.6.37/fs/nfs/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/inode.c
---- linux-2.6.37/fs/nfs/inode.c 2011-01-05 21:50:25.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/inode.c 2011-01-05 22:30:39.000000000 +0100
-@@ -37,6 +37,7 @@
- #include <linux/inet.h>
- #include <linux/nfs_xdr.h>
+diff -NurpP --minimal linux-4.4.111/fs/nfs/inode.c linux-4.4.111-vs2.3.9.5/fs/nfs/inode.c
+--- linux-4.4.111/fs/nfs/inode.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/nfs/inode.c 2018-01-09 16:36:32.000000000 +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>
-@@ -265,6 +266,8 @@ nfs_fhget(struct super_block *sb, struct
+
+@@ -376,6 +377,8 @@ nfs_fhget(struct super_block *sb, struct
if (inode->i_state & I_NEW) {
struct nfs_inode *nfsi = NFS_I(inode);
unsigned long now = jiffies;
-+ uid_t uid;
-+ gid_t gid;
++ kuid_t kuid;
++ kgid_t kgid;
/* We set i_ino for the few things that still rely on it,
* such as stat(2) */
-@@ -313,8 +316,8 @@ nfs_fhget(struct super_block *sb, struct
- nfsi->change_attr = 0;
+@@ -419,8 +422,8 @@ nfs_fhget(struct super_block *sb, struct
+ inode->i_version = 0;
inode->i_size = 0;
- inode->i_nlink = 0;
-- inode->i_uid = -2;
-- inode->i_gid = -2;
-+ uid = -2;
-+ gid = -2;
+ 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));
-
-@@ -351,13 +354,13 @@ nfs_fhget(struct super_block *sb, struct
+ nfsi->write_io = 0;
+@@ -455,11 +458,11 @@ nfs_fhget(struct super_block *sb, struct
else if (nfs_server_capable(inode, NFS_CAP_NLINK))
- nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR);
if (fattr->valid & NFS_ATTR_FATTR_OWNER)
- inode->i_uid = fattr->uid;
-+ uid = fattr->uid;
++ kuid = fattr->uid;
else if (nfs_server_capable(inode, NFS_CAP_OWNER))
- nfsi->cache_validity |= NFS_INO_INVALID_ATTR
- | NFS_INO_INVALID_ACCESS
- | NFS_INO_INVALID_ACL;
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR);
if (fattr->valid & NFS_ATTR_FATTR_GROUP)
- inode->i_gid = fattr->gid;
-+ gid = fattr->gid;
++ kgid = fattr->gid;
else if (nfs_server_capable(inode, NFS_CAP_OWNER_GROUP))
- nfsi->cache_validity |= NFS_INO_INVALID_ATTR
- | NFS_INO_INVALID_ACCESS
-@@ -370,6 +373,11 @@ nfs_fhget(struct super_block *sb, struct
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR);
+ if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
+@@ -470,6 +473,10 @@ nfs_fhget(struct super_block *sb, struct
*/
inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
}
-+ 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);
++ 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 */
-+
- nfsi->attrtimeo = NFS_MINATTRTIMEO(inode);
- nfsi->attrtimeo_timestamp = now;
- nfsi->access_cache = RB_ROOT;
-@@ -486,6 +494,8 @@ void nfs_setattr_update_inode(struct ino
+
+ nfs_setsecurity(inode, fattr, label);
+
+@@ -611,6 +618,8 @@ 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;
- NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
- spin_unlock(&inode->i_lock);
+ nfs_set_cache_invalid(inode, NFS_INO_INVALID_ACCESS
+ | NFS_INO_INVALID_ACL);
}
-@@ -926,6 +936,9 @@ static int nfs_check_inode_attributes(st
+@@ -1235,7 +1244,9 @@ 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? */
-@@ -949,13 +962,18 @@ static int nfs_check_inode_attributes(st
- invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
- }
+ if (nfs_have_delegated_attributes(inode))
+ return 0;
+@@ -1262,13 +1273,18 @@ static int nfs_check_inode_attributes(st
+ if (nfsi->nrequests != 0)
+ invalid &= ~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 ((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) && inode->i_uid != fattr->uid)
-+ if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && uid != fattr->uid)
+- 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) && inode->i_gid != fattr->gid)
-+ if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && gid != fattr->gid)
+- 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? */
if ((fattr->valid & NFS_ATTR_FATTR_NLINK) && inode->i_nlink != fattr->nlink)
-@@ -1190,6 +1208,9 @@ static int nfs_update_inode(struct inode
- unsigned long invalid = 0;
+@@ -1642,6 +1658,9 @@ static int nfs_update_inode(struct inode
unsigned long now = jiffies;
unsigned long save_cache_validity;
-+ uid_t uid;
-+ gid_t gid;
-+ tag_t tag;
+ bool cache_revalidated = true;
++ 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,
-@@ -1292,6 +1313,9 @@ static int nfs_update_inode(struct inode
- | NFS_INO_REVAL_PAGECACHE
- | NFS_INO_REVAL_FORCED);
+@@ -1752,6 +1771,9 @@ static int nfs_update_inode(struct inode
+ cache_revalidated = false;
+ }
-+ 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 = 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));
-@@ -1313,9 +1337,9 @@ static int nfs_update_inode(struct inode
- | NFS_INO_REVAL_FORCED);
-
- if (fattr->valid & NFS_ATTR_FATTR_OWNER) {
-- if (inode->i_uid != fattr->uid) {
-+ if (uid != fattr->uid) {
- invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
-- inode->i_uid = fattr->uid;
-+ uid = fattr->uid;
- }
- } else if (server->caps & NFS_CAP_OWNER)
- invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
-@@ -1324,9 +1348,9 @@ static int nfs_update_inode(struct inode
- | NFS_INO_REVAL_FORCED);
-
- if (fattr->valid & NFS_ATTR_FATTR_GROUP) {
-- if (inode->i_gid != fattr->gid) {
-+ if (gid != fattr->gid) {
- invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
-- inode->i_gid = fattr->gid;
-+ gid = fattr->gid;
- }
- } else if (server->caps & NFS_CAP_OWNER_GROUP)
- invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
-@@ -1334,6 +1358,10 @@ static int nfs_update_inode(struct inode
- | NFS_INO_INVALID_ACL
- | NFS_INO_REVAL_FORCED);
+@@ -1806,6 +1828,10 @@ static int nfs_update_inode(struct inode
+ cache_revalidated = false;
+ }
-+ inode->i_uid = uid;
-+ inode->i_gid = gid;
-+ inode->i_tag = tag;
++ 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-2.6.37/fs/nfs/nfs3xdr.c linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/nfs3xdr.c
---- linux-2.6.37/fs/nfs/nfs3xdr.c 2011-01-05 21:50:25.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/nfs3xdr.c 2011-01-05 22:30:39.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/fs/nfs/nfs3xdr.c linux-4.4.111-vs2.3.9.5/fs/nfs/nfs3xdr.c
+--- linux-4.4.111/fs/nfs/nfs3xdr.c 2016-07-05 04:12:33.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/nfs/nfs3xdr.c 2018-01-09 17:17:07.000000000 +0000
@@ -20,6 +20,7 @@
#include <linux/nfs3.h>
#include <linux/nfs_fs.h>
#include "internal.h"
#define NFSDBG_FACILITY NFSDBG_XDR
-@@ -205,7 +206,7 @@ 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;
-@@ -213,15 +214,17 @@ 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;
- }
-@@ -328,7 +331,8 @@ 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);
-@@ -433,7 +437,8 @@ 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;
-@@ -447,7 +452,8 @@ 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);
+ }
+
+ /*
+@@ -1074,7 +1080,7 @@ static void nfs3_xdr_enc_mkdir3args(stru
+ const struct nfs3_mkdirargs *args)
+ {
+ 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);
}
-@@ -460,7 +466,8 @@ nfs3_xdr_symlinkargs(struct rpc_rqst *re
+
+ /*
+@@ -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)
{
- 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);
-
-@@ -478,7 +485,8 @@ 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-2.6.37/fs/nfs/super.c linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/super.c
---- linux-2.6.37/fs/nfs/super.c 2011-01-05 21:50:25.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/nfs/super.c 2011-01-05 23:44:00.000000000 +0100
-@@ -53,6 +53,7 @@
- #include <linux/nfs_xdr.h>
- #include <linux/magic.h>
+- 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);
+ xdr->buf->flags |= XDRBUF_WRITE;
+ }
+
+@@ -1131,24 +1137,24 @@ 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:
+@@ -1163,7 +1169,7 @@ 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-4.4.111/fs/nfs/super.c linux-4.4.111-vs2.3.9.5/fs/nfs/super.c
+--- linux-4.4.111/fs/nfs/super.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/nfs/super.c 2018-01-09 16:36:32.000000000 +0000
+@@ -54,6 +54,7 @@
#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>
-@@ -86,6 +87,7 @@ enum {
- Opt_sharecache, Opt_nosharecache,
- Opt_resvport, Opt_noresvport,
- Opt_fscache, Opt_nofscache,
-+ Opt_tag, Opt_notag,
- /* Mount options that take integer arguments */
- Opt_port,
-@@ -99,6 +101,7 @@ enum {
+@@ -102,6 +103,7 @@ enum {
+ Opt_mountport,
Opt_mountvers,
- Opt_nfsvers,
Opt_minorversion,
+ Opt_tagid,
/* Mount options that take string arguments */
- Opt_sec, Opt_proto, Opt_mountproto, Opt_mounthost,
-@@ -179,6 +182,10 @@ static const match_table_t nfs_mount_opt
+ Opt_nfsvers,
+@@ -114,6 +116,9 @@ enum {
+ /* Special mount options */
+ Opt_userspace, Opt_deprecated, Opt_sloppy,
+
++ /* Linux-VServer tagging options */
++ Opt_tag, Opt_notag,
++
+ Opt_err
+ };
+
+@@ -183,6 +188,10 @@ static const match_table_t nfs_mount_opt
{ Opt_fscache_uniq, "fsc=%s" },
{ Opt_local_lock, "local_lock=%s" },
+ { Opt_notag, "notag" },
+ { Opt_tagid, "tagid=%u" },
+
- { Opt_err, NULL }
- };
+ /* The following needs to be listed after all other options */
+ { Opt_nfsvers, "v%s" },
-@@ -640,6 +647,7 @@ static void nfs_show_mount_options(struc
+@@ -642,6 +651,7 @@ static void nfs_show_mount_options(struc
{ NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
{ NFS_MOUNT_UNSHARED, ",nosharecache", "" },
{ NFS_MOUNT_NORESVPORT, ",noresvport", "" },
{ 0, NULL, NULL }
};
const struct proc_nfs_info *nfs_infop;
-@@ -1120,6 +1128,14 @@ static int nfs_parse_mount_options(char
- kfree(mnt->fscache_uniq);
- mnt->fscache_uniq = NULL;
+@@ -1324,6 +1334,14 @@ static int nfs_parse_mount_options(char
+ case Opt_nomigration:
+ mnt->options &= ~NFS_OPTION_MIGRATION;
break;
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
/*
* options that take numeric values
-@@ -1304,6 +1320,12 @@ static int nfs_parse_mount_options(char
+@@ -1410,6 +1428,12 @@ static int nfs_parse_mount_options(char
goto out_invalid_value;
mnt->minorversion = option;
break;
/*
* options that take text values
-diff -NurpP --minimal linux-2.6.37/fs/nfsd/auth.c linux-2.6.37-vs2.3.0.37-rc3/fs/nfsd/auth.c
---- linux-2.6.37/fs/nfsd/auth.c 2010-02-25 11:52:05.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/nfsd/auth.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/fs/nfsd/auth.c linux-4.4.111-vs2.3.9.5/fs/nfsd/auth.c
+--- linux-4.4.111/fs/nfsd/auth.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/nfsd/auth.c 2018-01-11 08:03:00.000000000 +0000
@@ -1,6 +1,7 @@
/* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> */
#include "nfsd.h"
#include "auth.h"
-@@ -36,6 +37,9 @@ int nfsd_setuser(struct svc_rqst *rqstp,
+@@ -35,6 +36,9 @@ int nfsd_setuser(struct svc_rqst *rqstp,
new->fsuid = rqstp->rq_cred.cr_uid;
new->fsgid = rqstp->rq_cred.cr_gid;
+ /* FIXME: this desperately needs a tag :)
-+ new->xid = (xid_t)INOTAG_TAG(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid, 0);
++ new->xid = (vxid_t)INOTAG_TAG(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid, 0);
+ */
rqgi = rqstp->rq_cred.cr_group_info;
-diff -NurpP --minimal linux-2.6.37/fs/nfsd/nfs3xdr.c linux-2.6.37-vs2.3.0.37-rc3/fs/nfsd/nfs3xdr.c
---- linux-2.6.37/fs/nfsd/nfs3xdr.c 2011-01-05 21:50:25.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/nfsd/nfs3xdr.c 2011-01-05 22:30:39.000000000 +0100
-@@ -7,6 +7,7 @@
- */
+diff -NurpP --minimal linux-4.4.111/fs/nfsd/nfs3xdr.c linux-4.4.111-vs2.3.9.5/fs/nfsd/nfs3xdr.c
+--- linux-4.4.111/fs/nfsd/nfs3xdr.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/nfsd/nfs3xdr.c 2018-01-09 16:36:32.000000000 +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"
-
-@@ -95,6 +96,8 @@ 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;
-@@ -104,12 +107,15 @@ 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;
-@@ -165,8 +171,12 @@ 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-2.6.37/fs/nfsd/nfs4xdr.c linux-2.6.37-vs2.3.0.37-rc3/fs/nfsd/nfs4xdr.c
---- linux-2.6.37/fs/nfsd/nfs4xdr.c 2011-01-05 21:50:25.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/nfsd/nfs4xdr.c 2010-11-23 02:09:41.000000000 +0100
-@@ -47,6 +47,7 @@
- #include <linux/nfsd_idmap.h>
- #include <linux/nfs4_acl.h>
+diff -NurpP --minimal linux-4.4.111/fs/nfsd/nfs4xdr.c linux-4.4.111-vs2.3.9.5/fs/nfsd/nfs4xdr.c
+--- linux-4.4.111/fs/nfsd/nfs4xdr.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/nfsd/nfs4xdr.c 2018-01-09 16:36:32.000000000 +0000
+@@ -40,6 +40,7 @@
+ #include <linux/utsname.h>
+ #include <linux/pagemap.h>
#include <linux/sunrpc/svcauth_gss.h>
+#include <linux/vs_tag.h>
- #include "xdr4.h"
- #include "vfs.h"
-@@ -2063,14 +2064,18 @@ out_acl:
- WRITE32(stat.nlink);
+ #include "idmap.h"
+ #include "acl.h"
+@@ -2637,12 +2638,16 @@ 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-2.6.37/fs/nfsd/nfsxdr.c linux-2.6.37-vs2.3.0.37-rc3/fs/nfsd/nfsxdr.c
---- linux-2.6.37/fs/nfsd/nfsxdr.c 2010-02-25 11:52:05.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/nfsd/nfsxdr.c 2010-11-23 02:09:41.000000000 +0100
-@@ -6,6 +6,7 @@
-
+ goto out;
+ }
+diff -NurpP --minimal linux-4.4.111/fs/nfsd/nfsxdr.c linux-4.4.111-vs2.3.9.5/fs/nfsd/nfsxdr.c
+--- linux-4.4.111/fs/nfsd/nfsxdr.c 2018-01-11 07:57:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/nfsd/nfsxdr.c 2018-01-09 16:36:32.000000000 +0000
+@@ -7,6 +7,7 @@
+ #include "vfs.h"
#include "xdr.h"
#include "auth.h"
+#include <linux/vs_tag.h>
#define NFSDDBG_FACILITY NFSDDBG_XDR
-@@ -88,6 +89,8 @@ 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;
-@@ -101,12 +104,15 @@ 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;
-@@ -151,8 +157,10 @@ 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-2.6.37/fs/ocfs2/dlmglue.c linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/dlmglue.c
---- linux-2.6.37/fs/ocfs2/dlmglue.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/dlmglue.c 2010-11-23 02:09:41.000000000 +0100
-@@ -2114,6 +2114,7 @@ static void __ocfs2_stuff_meta_lvb(struc
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/dlmglue.c linux-4.4.111-vs2.3.9.5/fs/ocfs2/dlmglue.c
+--- linux-4.4.111/fs/ocfs2/dlmglue.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/dlmglue.c 2018-01-09 16:36:32.000000000 +0000
+@@ -2128,6 +2128,7 @@ 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 =
-@@ -2168,6 +2169,7 @@ static void ocfs2_refresh_inode_from_lvb
+@@ -2178,6 +2179,7 @@ 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-2.6.37/fs/ocfs2/dlmglue.h linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/dlmglue.h
---- linux-2.6.37/fs/ocfs2/dlmglue.h 2010-10-21 13:07:50.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/dlmglue.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/dlmglue.h linux-4.4.111-vs2.3.9.5/fs/ocfs2/dlmglue.h
+--- linux-4.4.111/fs/ocfs2/dlmglue.h 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/dlmglue.h 2018-01-09 16:36:32.000000000 +0000
@@ -46,7 +46,8 @@ struct ocfs2_meta_lvb {
__be16 lvb_inlink;
__be32 lvb_iattr;
};
#define OCFS2_QINFO_LVB_VERSION 1
-diff -NurpP --minimal linux-2.6.37/fs/ocfs2/file.c linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/file.c
---- linux-2.6.37/fs/ocfs2/file.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/file.c 2011-01-05 22:30:39.000000000 +0100
-@@ -1126,13 +1126,15 @@ 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");
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/file.c linux-4.4.111-vs2.3.9.5/fs/ocfs2/file.c
+--- linux-4.4.111/fs/ocfs2/file.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/file.c 2018-01-09 16:36:32.000000000 +0000
+@@ -1151,7 +1151,7 @@ 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;
-diff -NurpP --minimal linux-2.6.37/fs/ocfs2/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/inode.c
---- linux-2.6.37/fs/ocfs2/inode.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/inode.c 2010-11-23 02:09:41.000000000 +0100
+
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/inode.c linux-4.4.111-vs2.3.9.5/fs/ocfs2/inode.c
+--- linux-4.4.111/fs/ocfs2/inode.c 2016-07-05 04:12:34.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/inode.c 2018-01-09 16:36:32.000000000 +0000
@@ -28,6 +28,7 @@
#include <linux/highmem.h>
#include <linux/pagemap.h>
#include <asm/byteorder.h>
-@@ -78,11 +79,13 @@ 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;
-@@ -92,25 +95,44 @@ 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;
}
struct inode *ocfs2_ilookup(struct super_block *sb, u64 blkno)
-@@ -245,6 +267,8 @@ void ocfs2_populate_inode(struct inode *
+@@ -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;
- mlog_entry("(0x%p, size:%llu)\n", inode,
- (unsigned long long)le64_to_cpu(fe->i_size));
-@@ -276,8 +300,12 @@ void ocfs2_populate_inode(struct inode *
+ 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);
-- inode->i_uid = le32_to_cpu(fe->i_uid);
-- inode->i_gid = le32_to_cpu(fe->i_gid);
+- 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);
-+ 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);
++ 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-2.6.37/fs/ocfs2/inode.h linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/inode.h
---- linux-2.6.37/fs/ocfs2/inode.h 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/inode.h 2010-11-23 02:09:41.000000000 +0100
-@@ -151,6 +151,7 @@ struct buffer_head *ocfs2_bread(struct i
+ if (S_ISLNK(inode->i_mode) && !fe->i_clusters) {
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/inode.h linux-4.4.111-vs2.3.9.5/fs/ocfs2/inode.h
+--- linux-4.4.111/fs/ocfs2/inode.h 2016-07-05 04:15:08.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/inode.h 2018-01-09 16:36:32.000000000 +0000
+@@ -161,6 +161,7 @@ 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);
static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
{
-diff -NurpP --minimal linux-2.6.37/fs/ocfs2/ioctl.c linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/ioctl.c
---- linux-2.6.37/fs/ocfs2/ioctl.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/ioctl.c 2010-11-23 02:09:41.000000000 +0100
-@@ -63,7 +63,41 @@ static int ocfs2_get_inode_attr(struct i
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/ioctl.c linux-4.4.111-vs2.3.9.5/fs/ocfs2/ioctl.c
+--- linux-4.4.111/fs/ocfs2/ioctl.c 2015-10-29 09:21:37.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/ioctl.c 2018-01-09 16:36:32.000000000 +0000
+@@ -76,7 +76,41 @@ static int ocfs2_get_inode_attr(struct i
return status;
}
unsigned mask)
{
struct ocfs2_inode_info *ocfs2_inode = OCFS2_I(inode);
-@@ -88,6 +122,11 @@ 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);
-@@ -451,6 +490,7 @@ bail:
+@@ -841,6 +880,7 @@ bail:
return status;
}
+
long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
- struct inode *inode = filp->f_path.dentry->d_inode;
-diff -NurpP --minimal linux-2.6.37/fs/ocfs2/namei.c linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/namei.c
---- linux-2.6.37/fs/ocfs2/namei.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/namei.c 2010-11-23 02:09:41.000000000 +0100
+ struct inode *inode = file_inode(filp);
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/namei.c linux-4.4.111-vs2.3.9.5/fs/ocfs2/namei.c
+--- linux-4.4.111/fs/ocfs2/namei.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/namei.c 2018-01-09 16:36:32.000000000 +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>
-@@ -487,6 +488,7 @@ static int __ocfs2_mknod_locked(struct i
- struct ocfs2_dinode *fe = NULL;
+
+@@ -516,6 +517,7 @@ static int __ocfs2_mknod_locked(struct i
struct ocfs2_extent_list *fel;
u16 feat;
-+ tag_t tag;
+ struct ocfs2_inode_info *oi = OCFS2_I(inode);
++ ktag_t ktag;
*new_fe_bh = NULL;
-@@ -524,8 +526,11 @@ static int __ocfs2_mknod_locked(struct i
+@@ -553,8 +555,13 @@ 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(inode->i_uid);
-- fe->i_gid = cpu_to_le32(inode->i_gid);
-+
-+ tag = dx_current_fstag(osb->sb);
-+ fe->i_uid = cpu_to_le32(TAGINO_UID(DX_TAG(inode), inode->i_uid, tag));
-+ fe->i_gid = cpu_to_le32(TAGINO_GID(DX_TAG(inode), inode->i_gid, tag));
-+ inode->i_tag = tag;
+- 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));
-diff -NurpP --minimal linux-2.6.37/fs/ocfs2/ocfs2_fs.h linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/ocfs2_fs.h
---- linux-2.6.37/fs/ocfs2/ocfs2_fs.h 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/ocfs2_fs.h 2011-01-05 22:30:39.000000000 +0100
-@@ -266,6 +266,11 @@
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/ocfs2.h linux-4.4.111-vs2.3.9.5/fs/ocfs2/ocfs2.h
+--- linux-4.4.111/fs/ocfs2/ocfs2.h 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/ocfs2.h 2018-01-09 17:21:54.000000000 +0000
+@@ -289,6 +289,7 @@ enum ocfs2_mount_options
+ OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT = 1 << 15, /* Journal Async Commit */
+ OCFS2_MOUNT_ERRORS_CONT = 1 << 16, /* Return EIO to the calling process on error */
+ OCFS2_MOUNT_ERRORS_ROFS = 1 << 17, /* Change filesystem to read-only on error */
++ OCFS2_MOUNT_TAGGED = 1 << 18, /* use tagging */
+ };
+
+ #define OCFS2_OSB_SOFT_RO 0x0001
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/ocfs2_fs.h linux-4.4.111-vs2.3.9.5/fs/ocfs2/ocfs2_fs.h
+--- linux-4.4.111/fs/ocfs2/ocfs2_fs.h 2016-07-05 04:12:34.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/ocfs2_fs.h 2018-01-09 16:36:32.000000000 +0000
+@@ -275,6 +275,11 @@
#define OCFS2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
#define OCFS2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
#define OCFS2_FL_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
#define OCFS2_FL_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
-diff -NurpP --minimal linux-2.6.37/fs/ocfs2/ocfs2.h linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/ocfs2.h
---- linux-2.6.37/fs/ocfs2/ocfs2.h 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/ocfs2.h 2011-01-05 22:30:39.000000000 +0100
-@@ -267,6 +267,7 @@ 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-2.6.37/fs/ocfs2/super.c linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/super.c
---- linux-2.6.37/fs/ocfs2/super.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/ocfs2/super.c 2010-11-23 03:14:32.000000000 +0100
-@@ -181,6 +181,7 @@ enum {
- Opt_coherency_full,
- Opt_resv_level,
+diff -NurpP --minimal linux-4.4.111/fs/ocfs2/super.c linux-4.4.111-vs2.3.9.5/fs/ocfs2/super.c
+--- linux-4.4.111/fs/ocfs2/super.c 2016-07-05 04:12:34.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/ocfs2/super.c 2018-01-09 17:22:51.000000000 +0000
+@@ -193,6 +193,7 @@ enum {
Opt_dir_resv_level,
+ Opt_journal_async_commit,
+ Opt_err_cont,
+ Opt_tag, Opt_notag, Opt_tagid,
Opt_err,
};
-@@ -212,6 +213,9 @@ static const match_table_t tokens = {
- {Opt_coherency_full, "coherency=full"},
- {Opt_resv_level, "resv_level=%u"},
+@@ -226,6 +227,9 @@ static const match_table_t tokens = {
{Opt_dir_resv_level, "dir_resv_level=%u"},
+ {Opt_journal_async_commit, "journal_async_commit"},
+ {Opt_err_cont, "errors=continue"},
+ {Opt_tag, "tag"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
{Opt_err, NULL}
};
-@@ -659,6 +663,13 @@ static int ocfs2_remount(struct super_bl
+@@ -677,6 +681,13 @@ static int ocfs2_remount(struct super_bl
goto out;
}
/* We're going to/from readonly mode. */
if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
/* Disable quota accounting before remounting RO */
-@@ -1177,6 +1188,9 @@ static int ocfs2_fill_super(struct super
+@@ -1166,6 +1177,9 @@ static int ocfs2_fill_super(struct super
ocfs2_complete_mount_recovery(osb);
if (ocfs2_mount_local(osb))
snprintf(nodestr, sizeof(nodestr), "local");
else
-@@ -1499,6 +1513,20 @@ static int ocfs2_parse_options(struct su
- option < OCFS2_MAX_RESV_LEVEL)
- mopt->dir_resv_level = option;
+@@ -1486,6 +1500,20 @@ static int ocfs2_parse_options(struct su
+ case Opt_journal_async_commit:
+ mopt->mount_opt |= OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT;
break;
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
-diff -NurpP --minimal linux-2.6.37/fs/open.c linux-2.6.37-vs2.3.0.37-rc3/fs/open.c
---- linux-2.6.37/fs/open.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/open.c 2010-11-23 02:09:41.000000000 +0100
-@@ -30,6 +30,11 @@
- #include <linux/fs_struct.h>
+diff -NurpP --minimal linux-4.4.111/fs/open.c linux-4.4.111-vs2.3.9.5/fs/open.c
+--- linux-4.4.111/fs/open.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/open.c 2018-01-09 16:36:32.000000000 +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_tag.h>
#include "internal.h"
-@@ -481,6 +486,12 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, cons
- error = user_path_at(dfd, filename, LOOKUP_FOLLOW, &path);
- if (error)
- goto out;
-+
+@@ -70,6 +75,11 @@ long vfs_truncate(struct path *path, lof
+ struct inode *inode;
+ long error;
+
+#ifdef CONFIG_VSERVER_COWBL
-+ error = cow_check_and_break(&path);
++ error = cow_check_and_break(path);
+ if (error)
-+ goto dput_and_out;
++ goto out;
+#endif
- inode = path.dentry->d_inode;
+ inode = path->dentry->d_inode;
- error = mnt_want_write(path.mnt);
-@@ -518,11 +529,11 @@ static int chown_common(struct path *pat
- newattrs.ia_valid = ATTR_CTIME;
- if (user != (uid_t) -1) {
+ /* For directories it's -EISDIR, for other non-regulars - -EINVAL */
+@@ -548,6 +558,13 @@ 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);
+@@ -582,13 +599,15 @@ retry_deleg:
+ 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 |=
-@@ -547,6 +558,10 @@ SYSCALL_DEFINE3(chown, const char __user
- error = mnt_want_write(path.mnt);
- if (error)
- goto out_release;
-+#ifdef CONFIG_VSERVER_COWBL
-+ error = cow_check_and_break(&path);
-+ if (!error)
-+#endif
- error = chown_common(&path, user, group);
- mnt_drop_write(path.mnt);
- out_release:
-@@ -572,6 +587,10 @@ SYSCALL_DEFINE5(fchownat, int, dfd, cons
- error = mnt_want_write(path.mnt);
- if (error)
- goto out_release;
-+#ifdef CONFIG_VSERVER_COWBL
-+ error = cow_check_and_break(&path);
-+ if (!error)
-+#endif
- error = chown_common(&path, user, group);
- mnt_drop_write(path.mnt);
- out_release:
-@@ -591,6 +610,10 @@ SYSCALL_DEFINE3(lchown, const char __use
+@@ -626,6 +645,10 @@ retry:
error = mnt_want_write(path.mnt);
if (error)
goto out_release;
error = chown_common(&path, user, group);
mnt_drop_write(path.mnt);
out_release:
-@@ -837,6 +860,7 @@ 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-2.6.37/fs/proc/array.c linux-2.6.37-vs2.3.0.37-rc3/fs/proc/array.c
---- linux-2.6.37/fs/proc/array.c 2010-08-02 16:52:51.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/proc/array.c 2010-11-23 02:09:41.000000000 +0100
-@@ -81,6 +81,8 @@
- #include <linux/pid_namespace.h>
- #include <linux/ptrace.h>
+diff -NurpP --minimal linux-4.4.111/fs/proc/array.c linux-4.4.111-vs2.3.9.5/fs/proc/array.c
+--- linux-4.4.111/fs/proc/array.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/array.c 2018-01-09 17:30:44.000000000 +0000
+@@ -83,6 +83,8 @@
#include <linux/tracehook.h>
+ #include <linux/string_helpers.h>
+ #include <linux/user_namespace.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
-@@ -170,6 +172,9 @@ static inline void task_state(struct seq
- rcu_read_lock();
+@@ -154,6 +156,9 @@ static inline void task_state(struct seq
ppid = pid_alive(p) ?
task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
+
+ if (unlikely(vx_current_initpid(p->pid)))
+ ppid = 0;
+
- tpid = 0;
- if (pid_alive(p)) {
- struct task_struct *tracer = tracehook_tracer_task(p);
-@@ -287,7 +292,7 @@ static inline void task_sig(struct seq_f
+ tracer = ptrace_parent(p);
+ if (tracer)
+ tpid = task_pid_nr_ns(tracer, ns);
+@@ -292,8 +297,8 @@ 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;
-@@ -312,10 +317,11 @@ static inline void task_cap(struct seq_f
- cap_bset = cred->cap_bset;
+@@ -320,11 +325,12 @@ static inline void task_cap(struct seq_f
+ cap_ambient = cred->cap_ambient;
rcu_read_unlock();
- 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);
+- render_cap_t(m, "CapAmb:\t", &cap_ambient);
+ /* 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);
++ render_cap_t(m, "CapAmb:\t", p->vx_info, &cap_ambient);
}
- static inline void task_context_switch_counts(struct seq_file *m,
-@@ -337,6 +343,42 @@ static void task_cpus_allowed(struct seq
- seq_printf(m, "\n");
+ static inline void task_seccomp(struct seq_file *m, struct task_struct *p)
+@@ -351,6 +357,43 @@ static void task_cpus_allowed(struct seq
+ cpumask_pr_args(&task->cpus_allowed));
}
+int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
+ (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->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)
{
-@@ -353,6 +395,7 @@ int proc_pid_status(struct seq_file *m,
- task_cap(m, task);
+@@ -368,6 +411,7 @@ 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);
task_context_switch_counts(m, task);
return 0;
}
-@@ -465,6 +508,17 @@ static int do_task_stat(struct seq_file
+@@ -471,6 +515,17 @@ 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-2.6.37/fs/proc/base.c linux-2.6.37-vs2.3.0.37-rc3/fs/proc/base.c
---- linux-2.6.37/fs/proc/base.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/proc/base.c 2011-01-05 22:30:39.000000000 +0100
-@@ -83,6 +83,8 @@
- #include <linux/pid_namespace.h>
- #include <linux/fs_struct.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-4.4.111/fs/proc/base.c linux-4.4.111-vs2.3.9.5/fs/proc/base.c
+--- linux-4.4.111/fs/proc/base.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/base.c 2018-01-09 16:36:32.000000000 +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"
-
- /* NOTE:
-@@ -1056,11 +1058,16 @@ static ssize_t oom_adjust_write(struct f
- goto err_task_lock;
- }
+ #ifdef CONFIG_HARDWALL
+ #include <asm/hardwall.h>
+ #endif
+@@ -1097,11 +1099,15 @@ static ssize_t oom_adj_write(struct file
+ oom_adj = (oom_adj * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE;
-- if (oom_adjust < task->signal->oom_adj && !capable(CAP_SYS_RESOURCE)) {
-+ if (oom_adjust < task->signal->oom_adj &&
-+ !vx_capable(CAP_SYS_RESOURCE, VXC_OOM_ADJUST)) {
+ 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;
}
+ /* prevent guest processes from circumventing the oom killer */
-+ if (vx_current_xid() && (oom_adjust == OOM_DISABLE))
-+ oom_adjust = OOM_ADJUST_MIN;
++ if (vx_current_xid() && (oom_adj == OOM_DISABLE))
++ oom_adj = OOM_ADJUST_MIN;
+
- if (oom_adjust != task->signal->oom_adj) {
- if (oom_adjust == OOM_DISABLE)
- atomic_inc(&task->mm->oom_disable_count);
-@@ -1227,7 +1234,7 @@ static ssize_t proc_loginuid_write(struc
- ssize_t length;
- uid_t loginuid;
-
-- if (!capable(CAP_AUDIT_CONTROL))
-+ if (!vx_capable(CAP_AUDIT_CONTROL, VXC_AUDIT_CONTROL))
- return -EPERM;
-
- rcu_read_lock();
-@@ -1666,6 +1673,8 @@ static struct inode *proc_pid_make_inode
+ /*
+ * /proc/pid/oom_adj is provided for legacy purposes, ask users to use
+ * /proc/pid/oom_score_adj instead.
+@@ -1666,6 +1672,8 @@ 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:
-@@ -2219,6 +2228,13 @@ static struct dentry *proc_pident_lookup
- if (!task)
- goto out_no_task;
+@@ -1711,6 +1719,8 @@ int pid_getattr(struct vfsmount *mnt, st
-+ /* TODO: maybe we can come up with a generic approach? */
-+ if (task_vx_flags(task, VXF_HIDE_VINFO, 0) &&
-+ (dentry->d_name.len == 5) &&
+ /* 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
+@@ -1739,6 +1749,19 @@ 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();
+@@ -2283,6 +2306,13 @@ static struct dentry *proc_pident_lookup
+ if (!task)
+ goto out_no_task;
+
++ /* TODO: maybe we can come up with a generic approach? */
++ if (task_vx_flags(task, VXF_HIDE_VINFO, 0) &&
++ (dentry->d_name.len == 5) &&
+ (!memcmp(dentry->d_name.name, "vinfo", 5) ||
+ !memcmp(dentry->d_name.name, "ninfo", 5)))
+ goto out;
/*
* Yes, it does not scale. And it should not. Don't add
* new entries into /proc/<tgid>/ without very good reasons.
-@@ -2628,7 +2644,7 @@ 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);
-@@ -2718,6 +2734,9 @@ static int proc_pid_personality(struct s
+@@ -2725,6 +2755,11 @@ 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, proc_task_inode_operations, proc_task_operations),
DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
-@@ -2777,6 +2796,8 @@ static const struct pid_entry tgid_base_
+@@ -2789,6 +2824,8 @@ static const struct pid_entry tgid_base_
#ifdef CONFIG_CGROUPS
- REG("cgroup", S_IRUGO, proc_cgroup_operations),
+ ONE("cgroup", S_IRUGO, proc_cgroup_show),
#endif
-+ INF("vinfo", S_IRUGO, proc_pid_vx_info),
-+ INF("ninfo", S_IRUGO, proc_pid_nx_info),
- INF("oom_score", S_IRUGO, proc_oom_score),
- REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adjust_operations),
++ 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),
-@@ -2793,6 +2814,7 @@ static const struct pid_entry tgid_base_
- #ifdef CONFIG_TASK_IO_ACCOUNTING
- INF("io", S_IRUGO, proc_tgid_io_accounting),
- #endif
-+ ONE("nsproxy", S_IRUGO, proc_pid_nsproxy),
- };
-
- static int proc_tgid_base_readdir(struct file * filp,
-@@ -2985,7 +3007,7 @@ retry:
+@@ -3003,7 +3040,7 @@ 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
-@@ -3015,7 +3037,7 @@ 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);
- }
-@@ -3024,7 +3046,7 @@ 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;
-
-@@ -3044,6 +3066,8 @@ int proc_pid_readdir(struct file * filp,
- iter.task;
- iter.tgid += 1, iter = next_tgid(ns, iter)) {
- filp->f_pos = iter.tgid + TGID_OFFSET;
+@@ -3063,8 +3100,10 @@ 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;
-@@ -3193,6 +3217,8 @@ static struct dentry *proc_task_lookup(s
- tid = name_to_int(dentry);
+@@ -3161,6 +3200,7 @@ 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)
+@@ -3227,6 +3267,8 @@ 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-2.6.37/fs/proc/generic.c linux-2.6.37-vs2.3.0.37-rc3/fs/proc/generic.c
---- linux-2.6.37/fs/proc/generic.c 2010-10-21 13:07:51.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/proc/generic.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/fs/proc/generic.c linux-4.4.111-vs2.3.9.5/fs/proc/generic.c
+--- linux-4.4.111/fs/proc/generic.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/generic.c 2018-01-09 17:29:24.000000000 +0000
@@ -22,6 +22,7 @@
#include <linux/bitops.h>
#include <linux/spinlock.h>
#include <asm/uaccess.h>
#include "internal.h"
-@@ -424,6 +425,8 @@ 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 (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
- unsigned int ino;
-
-@@ -432,6 +435,8 @@ struct dentry *proc_lookup_de(struct pro
- spin_unlock(&proc_subdir_lock);
- error = -EINVAL;
- inode = proc_get_inode(dir->i_sb, ino, de);
+@@ -66,8 +67,16 @@ static struct proc_dir_entry *pde_subdir
+ node = node->rb_left;
+ else if (result > 0)
+ node = node->rb_right;
+- else
++ else {
++ if (!vx_hide_check(0, de->vx_flags)) {
++ vxdprintk(VXD_CBIT(misc, 9),
++ VS_Q("%*s")
++ " hidden in pde_subdir_find()",
++ de->namelen, de->name);
++ return 0;
++ }
+ return de;
++ }
+ }
+ return NULL;
+ }
+@@ -241,6 +250,8 @@ 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 */
-+ inode->i_tag = 0;
- goto out_unlock;
- }
++ i_tag_write(inode, 0);
+ return NULL;
}
-@@ -509,6 +514,8 @@ int proc_readdir_de(struct proc_dir_entr
-
- /* filldir passes info to user space */
- pde_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) {
-@@ -516,6 +523,7 @@ int proc_readdir_de(struct proc_dir_entr
- goto out;
- }
- spin_lock(&proc_subdir_lock);
-+ skip:
- filp->f_pos++;
- next = de->next;
- pde_put(de);
-@@ -630,6 +638,7 @@ static struct proc_dir_entry *__proc_cre
+ read_unlock(&proc_subdir_lock);
+@@ -287,6 +298,12 @@ 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;
++ }
+ read_unlock(&proc_subdir_lock);
+ if (!dir_emit(ctx, de->name, de->namelen,
+ de->low_ino, de->mode >> 12)) {
+@@ -294,6 +311,7 @@ int proc_readdir_de(struct proc_dir_entr
+ return 0;
+ }
+ read_lock(&proc_subdir_lock);
++ skip:
+ ctx->pos++;
+ next = pde_subdir_next(de);
+ pde_put(de);
+@@ -387,6 +405,7 @@ static struct proc_dir_entry *__proc_cre
+ ent->mode = mode;
ent->nlink = nlink;
- atomic_set(&ent->count, 1);
- ent->pde_users = 0;
+ ent->subdir = RB_ROOT;
+ 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);
-@@ -653,7 +662,8 @@ struct proc_dir_entry *proc_symlink(cons
+@@ -411,7 +430,8 @@ struct proc_dir_entry *proc_symlink(cons
kfree(ent->data);
kfree(ent);
ent = NULL;
} else {
kfree(ent);
ent = NULL;
-diff -NurpP --minimal linux-2.6.37/fs/proc/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/proc/inode.c
---- linux-2.6.37/fs/proc/inode.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/proc/inode.c 2010-11-23 02:09:41.000000000 +0100
-@@ -427,6 +427,8 @@ struct inode *proc_get_inode(struct supe
+diff -NurpP --minimal linux-4.4.111/fs/proc/inode.c linux-4.4.111-vs2.3.9.5/fs/proc/inode.c
+--- linux-4.4.111/fs/proc/inode.c 2015-10-29 09:21:39.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/inode.c 2018-01-09 16:36:32.000000000 +0000
+@@ -431,6 +431,8 @@ 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-2.6.37/fs/proc/internal.h linux-2.6.37-vs2.3.0.37-rc3/fs/proc/internal.h
---- linux-2.6.37/fs/proc/internal.h 2010-02-25 11:52:06.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/proc/internal.h 2010-11-23 02:09:41.000000000 +0100
-@@ -10,6 +10,7 @@
- */
-
- #include <linux/proc_fs.h>
+diff -NurpP --minimal linux-4.4.111/fs/proc/internal.h linux-4.4.111-vs2.3.9.5/fs/proc/internal.h
+--- linux-4.4.111/fs/proc/internal.h 2015-10-29 09:21:39.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/internal.h 2018-01-09 16:36:32.000000000 +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
-@@ -51,6 +52,9 @@ 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;
+@@ -34,6 +35,7 @@ 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;
+@@ -51,15 +53,22 @@ 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;
-@@ -68,11 +72,16 @@ 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;
+@@ -92,11 +101,16 @@ 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-2.6.37/fs/proc/loadavg.c linux-2.6.37-vs2.3.0.37-rc3/fs/proc/loadavg.c
---- linux-2.6.37/fs/proc/loadavg.c 2009-09-10 15:26:23.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/proc/loadavg.c 2010-11-23 02:09:41.000000000 +0100
+ int dumpable = 0;
+@@ -155,6 +169,8 @@ 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);
+
+ /*
+ * base.c
+diff -NurpP --minimal linux-4.4.111/fs/proc/loadavg.c linux-4.4.111-vs2.3.9.5/fs/proc/loadavg.c
+--- linux-4.4.111/fs/proc/loadavg.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/loadavg.c 2018-01-09 16:36:32.000000000 +0000
@@ -12,15 +12,27 @@
static int loadavg_proc_show(struct seq_file *m, void *v)
task_active_pid_ns(current)->last_pid);
return 0;
}
-diff -NurpP --minimal linux-2.6.37/fs/proc/meminfo.c linux-2.6.37-vs2.3.0.37-rc3/fs/proc/meminfo.c
---- linux-2.6.37/fs/proc/meminfo.c 2009-12-03 20:02:53.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/proc/meminfo.c 2010-11-23 02:09:41.000000000 +0100
-@@ -39,7 +39,8 @@ static int meminfo_proc_show(struct seq_
- allowed = ((totalram_pages - hugetlb_total_pages())
- * sysctl_overcommit_ratio / 100) + total_swap_pages;
+diff -NurpP --minimal linux-4.4.111/fs/proc/meminfo.c linux-4.4.111-vs2.3.9.5/fs/proc/meminfo.c
+--- linux-4.4.111/fs/proc/meminfo.c 2016-07-05 04:15:09.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/meminfo.c 2018-01-12 18:43:53.000000000 +0000
+@@ -43,7 +43,8 @@ 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;
+ total_swapcache_pages() - i.bufferram;
if (cached < 0)
cached = 0;
-diff -NurpP --minimal linux-2.6.37/fs/proc/root.c linux-2.6.37-vs2.3.0.37-rc3/fs/proc/root.c
---- linux-2.6.37/fs/proc/root.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/proc/root.c 2010-11-23 02:09:41.000000000 +0100
-@@ -18,9 +18,14 @@
- #include <linux/bitops.h>
+@@ -70,13 +71,16 @@ static int meminfo_proc_show(struct seq_
+ */
+ pagecache = pages[LRU_ACTIVE_FILE] + pages[LRU_INACTIVE_FILE];
+ pagecache -= min(pagecache / 2, wmark_low);
+- available += pagecache;
++
++ if (!vx_flags(VXF_VIRT_MEM, 0))
++ available += pagecache;
+
+ /*
+ * Part of the reclaimable slab consists of items that are in use,
+ * and cannot be freed. Cap this estimate at the low watermark.
+ */
+- available += global_page_state(NR_SLAB_RECLAIMABLE) -
++ if (!vx_flags(VXF_VIRT_MEM, 0))
++ available += global_page_state(NR_SLAB_RECLAIMABLE) -
+ min(global_page_state(NR_SLAB_RECLAIMABLE) / 2, wmark_low);
+
+ if (available < 0)
+diff -NurpP --minimal linux-4.4.111/fs/proc/root.c linux-4.4.111-vs2.3.9.5/fs/proc/root.c
+--- linux-4.4.111/fs/proc/root.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/root.c 2018-01-09 16:36:32.000000000 +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;
-@@ -134,6 +139,7 @@ void __init proc_root_init(void)
- #endif
+@@ -113,7 +118,8 @@ static struct dentry *proc_mount(struct
+ options = data;
+
+ /* 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);
+ }
+
+@@ -196,6 +202,7 @@ 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
-@@ -202,6 +208,7 @@ struct proc_dir_entry proc_root = {
+@@ -257,6 +264,7 @@ 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,
+ .subdir = RB_ROOT,
+ .name = "/proc",
};
-
- int pid_ns_prepare_proc(struct pid_namespace *ns)
-diff -NurpP --minimal linux-2.6.37/fs/proc/uptime.c linux-2.6.37-vs2.3.0.37-rc3/fs/proc/uptime.c
---- linux-2.6.37/fs/proc/uptime.c 2009-12-03 20:02:53.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/proc/uptime.c 2010-11-23 02:09:41.000000000 +0100
-@@ -4,22 +4,22 @@
+diff -NurpP --minimal linux-4.4.111/fs/proc/self.c linux-4.4.111-vs2.3.9.5/fs/proc/self.c
+--- linux-4.4.111/fs/proc/self.c 2015-10-29 09:21:39.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/self.c 2018-01-09 16:36:32.000000000 +0000
+@@ -1,6 +1,7 @@
#include <linux/sched.h>
+ #include <linux/slab.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vserver/inode.h>
+ #include "internal.h"
+
+ /*
+@@ -52,6 +53,8 @@ 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-4.4.111/fs/proc/stat.c linux-4.4.111-vs2.3.9.5/fs/proc/stat.c
+--- linux-4.4.111/fs/proc/stat.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/stat.c 2018-01-09 16:36:32.000000000 +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;
+
+ 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-4.4.111/fs/proc/uptime.c linux-4.4.111-vs2.3.9.5/fs/proc/uptime.c
+--- linux-4.4.111/fs/proc/uptime.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc/uptime.c 2018-01-09 16:36:32.000000000 +0000
+@@ -5,6 +5,7 @@
#include <linux/seq_file.h>
#include <linux/time.h>
--#include <linux/kernel_stat.h>
+ #include <linux/kernel_stat.h>
+#include <linux/vserver/cvirt.h>
- #include <asm/cputime.h>
+ #include <linux/cputime.h>
static int uptime_proc_show(struct seq_file *m, void *v)
- {
- struct timespec uptime;
- struct timespec idle;
-- int i;
-- cputime_t idletime = cputime_zero;
--
-- for_each_possible_cpu(i)
-- idletime = cputime64_add(idletime, kstat_cpu(i).cpustat.idle);
-+ cputime_t idletime = cputime_add(init_task.utime, init_task.stime);
-
- do_posix_clock_monotonic_gettime(&uptime);
- monotonic_to_bootbased(&uptime);
- cputime_to_timespec(idletime, &idle);
+@@ -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-2.6.37/fs/quota/dquot.c linux-2.6.37-vs2.3.0.37-rc3/fs/quota/dquot.c
---- linux-2.6.37/fs/quota/dquot.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/quota/dquot.c 2010-11-23 02:09:41.000000000 +0100
-@@ -1541,6 +1541,9 @@ int __dquot_alloc_space(struct inode *in
+diff -NurpP --minimal linux-4.4.111/fs/proc_namespace.c linux-4.4.111-vs2.3.9.5/fs/proc_namespace.c
+--- linux-4.4.111/fs/proc_namespace.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/proc_namespace.c 2018-01-09 16:36:32.000000000 +0000
+@@ -46,6 +46,8 @@ static int show_sb_opts(struct seq_file
+ { MS_DIRSYNC, ",dirsync" },
+ { MS_MANDLOCK, ",mand" },
+ { MS_LAZYTIME, ",lazytime" },
++ { MS_TAGGED, ",tag" },
++ { MS_NOTAGCHECK, ",notagcheck" },
+ { 0, NULL }
+ };
+ const struct proc_fs_info *fs_infop;
+@@ -82,6 +84,38 @@ 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);
+@@ -99,6 +133,17 @@ 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)
+@@ -112,6 +157,7 @@ static int show_vfsmnt(struct seq_file *
+ if (err)
+ goto out;
+ seq_putc(m, ' ');
++type:
+ show_type(m, sb);
+ seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw");
+ err = show_sb_opts(m, sb);
+@@ -133,6 +179,11 @@ static int show_mountinfo(struct seq_fil
+ struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
+ 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)
+@@ -193,6 +244,17 @@ 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 ");
+@@ -214,7 +276,7 @@ static int show_vfsstat(struct seq_file
+ if (err)
+ goto out;
+ seq_putc(m, ' ');
+-
++type:
+ /* file system type */
+ seq_puts(m, "with fstype ");
+ show_type(m, sb);
+diff -NurpP --minimal linux-4.4.111/fs/quota/dquot.c linux-4.4.111-vs2.3.9.5/fs/quota/dquot.c
+--- linux-4.4.111/fs/quota/dquot.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/quota/dquot.c 2018-01-09 16:36:32.000000000 +0000
+@@ -1643,6 +1643,9 @@ int __dquot_alloc_space(struct inode *in
int reserve = flags & DQUOT_SPACE_RESERVE;
- int nofail = flags & DQUOT_SPACE_NOFAIL;
+ struct dquot **dquots;
+ if ((ret = dl_alloc_space(inode, number)))
+ return ret;
+
- /*
- * First test before acquiring mutex - solves deadlocks when we
- * re-enter the quota code and are already holding the mutex
-@@ -1595,6 +1598,9 @@ int dquot_alloc_inode(const struct inode
- int cnt, ret = 0;
- char warntype[MAXQUOTAS];
+ if (!dquot_active(inode)) {
+ inode_incr_space(inode, number, reserve);
+ goto out;
+@@ -1695,6 +1698,9 @@ int dquot_alloc_inode(struct inode *inod
+ struct dquot_warn warn[MAXQUOTAS];
+ struct dquot * const *dquots;
+ if ((ret = dl_alloc_inode(inode)))
+ return ret;
+
- /* First test before acquiring mutex - solves deadlocks when we
- * re-enter the quota code and are already holding the mutex */
if (!dquot_active(inode))
-@@ -1665,6 +1671,8 @@ void __dquot_free_space(struct inode *in
- char warntype[MAXQUOTAS];
- int reserve = flags & DQUOT_SPACE_RESERVE;
+ return 0;
+ for (cnt = 0; cnt < MAXQUOTAS; cnt++)
+@@ -1797,6 +1803,8 @@ void __dquot_free_space(struct inode *in
+ struct dquot **dquots;
+ int reserve = flags & DQUOT_SPACE_RESERVE, index;
+ dl_free_space(inode, number);
+
- /* First test before acquiring mutex - solves deadlocks when we
- * re-enter the quota code and are already holding the mutex */
if (!dquot_active(inode)) {
-@@ -1703,6 +1711,8 @@ void dquot_free_inode(const struct inode
- unsigned int cnt;
- char warntype[MAXQUOTAS];
+ inode_decr_space(inode, number, reserve);
+ return;
+@@ -1841,6 +1849,8 @@ void dquot_free_inode(struct inode *inod
+ struct dquot * const *dquots;
+ int index;
+ dl_free_inode(inode);
+
- /* First test before acquiring mutex - solves deadlocks when we
- * re-enter the quota code and are already holding the mutex */
if (!dquot_active(inode))
-diff -NurpP --minimal linux-2.6.37/fs/quota/quota.c linux-2.6.37-vs2.3.0.37-rc3/fs/quota/quota.c
---- linux-2.6.37/fs/quota/quota.c 2010-08-02 16:52:51.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/quota/quota.c 2010-11-23 02:09:41.000000000 +0100
+ return;
+
+diff -NurpP --minimal linux-4.4.111/fs/quota/quota.c linux-4.4.111-vs2.3.9.5/fs/quota/quota.c
+--- linux-4.4.111/fs/quota/quota.c 2016-07-05 04:12:34.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/quota/quota.c 2018-01-09 16:36:32.000000000 +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 <asm/uaccess.h>
+ #include <linux/uaccess.h>
#include <linux/kernel.h>
@@ -38,7 +39,7 @@ static int check_quotactl_permission(str
break;
return -EPERM;
}
-@@ -296,6 +297,46 @@ static int do_quotactl(struct super_bloc
- }
- }
+@@ -702,6 +703,46 @@ 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
-@@ -313,6 +354,22 @@ static struct super_block *quotactl_bloc
+ /* Return 1 if 'cmd' will block on frozen filesystem */
+ static int quotactl_cmd_write(int cmd)
+ {
+@@ -737,6 +778,22 @@ 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-2.6.37/fs/reiserfs/file.c linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/file.c
---- linux-2.6.37/fs/reiserfs/file.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/file.c 2010-11-23 02:09:41.000000000 +0100
-@@ -312,4 +312,5 @@ const struct inode_operations reiserfs_f
- .listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
- .permission = reiserfs_permission,
-+ .sync_flags = reiserfs_sync_flags,
- };
-diff -NurpP --minimal linux-2.6.37/fs/reiserfs/inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/inode.c
---- linux-2.6.37/fs/reiserfs/inode.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/inode.c 2010-11-23 02:09:41.000000000 +0100
-@@ -18,6 +18,7 @@
- #include <linux/writeback.h>
- #include <linux/quotaops.h>
- #include <linux/swap.h>
-+#include <linux/vs_tag.h>
-
- int reiserfs_commit_write(struct file *f, struct page *page,
- unsigned from, unsigned to);
-@@ -1131,6 +1132,8 @@ 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);
-@@ -1151,12 +1154,13 @@ 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);
-@@ -1198,11 +1202,12 @@ 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);
-@@ -1232,6 +1237,10 @@ static void init_inode(struct inode *ino
- sd_attrs_to_i_attrs(sd_v2_attrs(sd), inode);
- }
+ if (quotactl_cmd_write(cmd))
+ sb = get_super_thawed(bdev);
+ else
+diff -NurpP --minimal linux-4.4.111/fs/stat.c linux-4.4.111-vs2.3.9.5/fs/stat.c
+--- linux-4.4.111/fs/stat.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/stat.c 2018-01-09 16:36:32.000000000 +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-4.4.111/fs/statfs.c linux-4.4.111-vs2.3.9.5/fs/statfs.c
+--- linux-4.4.111/fs/statfs.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/statfs.c 2018-01-09 16:36:32.000000000 +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"
-+ 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);
-+
- pathrelse(path);
- if (S_ISREG(inode->i_mode)) {
- inode->i_op = &reiserfs_file_inode_operations;
-@@ -1254,13 +1263,15 @@ 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);
-@@ -2858,14 +2869,19 @@ int reiserfs_commit_write(struct file *f
- void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode)
- {
- 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
-@@ -2878,6 +2894,15 @@ 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;
-+
-+ 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;
- }
+ 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;
}
-@@ -2888,6 +2913,11 @@ 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
-@@ -2900,6 +2930,15 @@ void i_attrs_to_sd_attrs(struct inode *i
- *sd_attrs |= REISERFS_NOTAIL_FL;
- else
- *sd_attrs &= ~REISERFS_NOTAIL_FL;
-+
-+ 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;
- }
- }
-
-@@ -3143,7 +3182,8 @@ int reiserfs_setattr(struct dentry *dent
- }
-
- 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)) {
- struct reiserfs_transaction_handle th;
- int jbegin_count =
- 2 *
-@@ -3172,6 +3212,9 @@ 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);
- if (error)
-diff -NurpP --minimal linux-2.6.37/fs/reiserfs/ioctl.c linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/ioctl.c
---- linux-2.6.37/fs/reiserfs/ioctl.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/ioctl.c 2011-01-05 22:30:39.000000000 +0100
-@@ -11,6 +11,21 @@
- #include <linux/pagemap.h>
- #include <linux/compat.h>
-
-+
-+int reiserfs_sync_flags(struct inode *inode, int flags, int vflags)
-+{
-+ __u16 sd_attrs = 0;
-+
-+ inode->i_flags = flags;
-+ inode->i_vflags = vflags;
-+
-+ i_attrs_to_sd_attrs(inode, &sd_attrs);
-+ REISERFS_I(inode)->i_attrs = sd_attrs;
-+ inode->i_ctime = CURRENT_TIME_SEC;
-+ mark_inode_dirty(inode);
-+ return 0;
-+}
-+
- /*
- * reiserfs_ioctl - handler for ioctl for inode
- * supported commands:
-@@ -22,7 +37,7 @@
- long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
- {
- struct inode *inode = filp->f_path.dentry->d_inode;
-- unsigned int flags;
-+ unsigned int flags, oldflags;
- int err = 0;
-
- reiserfs_write_lock(inode->i_sb);
-@@ -47,6 +62,7 @@ long reiserfs_ioctl(struct file *filp, u
-
- flags = REISERFS_I(inode)->i_attrs;
- i_attrs_to_sd_attrs(inode, (__u16 *) & flags);
-+ flags &= REISERFS_FL_USER_VISIBLE;
- err = put_user(flags, (int __user *)arg);
- break;
- case REISERFS_IOC_SETFLAGS:{
-@@ -67,6 +83,10 @@ long reiserfs_ioctl(struct file *filp, u
- 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
- */
-@@ -91,6 +111,10 @@ long reiserfs_ioctl(struct file *filp, u
- goto setflags_out;
- }
- }
-+
-+ oldflags = REISERFS_I(inode)->i_attrs;
-+ 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-2.6.37/fs/reiserfs/namei.c linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/namei.c
---- linux-2.6.37/fs/reiserfs/namei.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/namei.c 2010-11-23 02:09:41.000000000 +0100
-@@ -18,6 +18,7 @@
- #include <linux/reiserfs_acl.h>
- #include <linux/reiserfs_xattr.h>
- #include <linux/quotaops.h>
-+#include <linux/vs_tag.h>
-
- #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);
-@@ -362,6 +363,7 @@ static struct dentry *reiserfs_lookup(st
- if (retval == IO_ERROR) {
- return ERR_PTR(-EIO);
- }
-+ dx_propagate_tag(nd, inode);
-
- return d_splice_alias(inode, dentry);
- }
-@@ -1532,6 +1534,7 @@ const struct inode_operations reiserfs_d
- .listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
- .permission = reiserfs_permission,
-+ .sync_flags = reiserfs_sync_flags,
- };
-
- /*
-diff -NurpP --minimal linux-2.6.37/fs/reiserfs/super.c linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/super.c
---- linux-2.6.37/fs/reiserfs/super.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/super.c 2010-11-23 02:09:41.000000000 +0100
-@@ -892,6 +892,14 @@ 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},
-@@ -1201,6 +1209,14 @@ 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, "super-vs01",
-+ "reiserfs: tagging not permitted on remount.");
-+ err = -EINVAL;
-+ goto out_err;
-+ }
-+
- handle_attrs(s);
-
- /* Add options that are safe here */
-@@ -1683,6 +1699,10 @@ static int reiserfs_fill_super(struct su
- goto error;
- }
-
-+ /* 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-2.6.37/fs/reiserfs/xattr.c linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/xattr.c
---- linux-2.6.37/fs/reiserfs/xattr.c 2011-01-05 21:50:26.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/reiserfs/xattr.c 2010-11-23 02:09:41.000000000 +0100
-@@ -40,6 +40,7 @@
- #include <linux/errno.h>
- #include <linux/gfp.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-2.6.37/fs/stat.c linux-2.6.37-vs2.3.0.37-rc3/fs/stat.c
---- linux-2.6.37/fs/stat.c 2010-10-21 13:07:51.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/stat.c 2010-11-23 02:09:41.000000000 +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-2.6.37/fs/statfs.c linux-2.6.37-vs2.3.0.37-rc3/fs/statfs.c
---- linux-2.6.37/fs/statfs.c 2010-10-21 13:07:51.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/statfs.c 2010-11-23 02:09:41.000000000 +0100
-@@ -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>
-
- static int flags_by_mnt(int mnt_flags)
- {
-@@ -59,6 +61,8 @@ int statfs_by_dentry(struct dentry *dent
- 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;
- }
-
-diff -NurpP --minimal linux-2.6.37/fs/super.c linux-2.6.37-vs2.3.0.37-rc3/fs/super.c
---- linux-2.6.37/fs/super.c 2011-01-05 21:50:27.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/super.c 2010-11-23 03:09:36.000000000 +0100
-@@ -30,6 +30,9 @@
- #include <linux/idr.h>
- #include <linux/mutex.h>
- #include <linux/backing-dev.h>
-+#include <linux/devpts_fs.h>
-+#include <linux/proc_fs.h>
+diff -NurpP --minimal linux-4.4.111/fs/super.c linux-4.4.111-vs2.3.9.5/fs/super.c
+--- linux-4.4.111/fs/super.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/super.c 2018-01-09 16:36:32.000000000 +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"
-@@ -956,6 +959,7 @@ struct vfsmount *
- vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void *data)
- {
- struct vfsmount *mnt;
-+ struct super_block *sb;
- struct dentry *root;
- char *secdata = NULL;
- int error;
-@@ -963,6 +967,11 @@ vfs_kern_mount(struct file_system_type *
- if (!type)
- return ERR_PTR(-ENODEV);
-
-+ error = -EPERM;
-+ if ((type->fs_flags & FS_BINARY_MOUNTDATA) &&
-+ !vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT))
-+ goto out;
-+
- error = -ENOMEM;
- mnt = alloc_vfsmnt(name);
- if (!mnt)
-@@ -994,11 +1003,19 @@ vfs_kern_mount(struct file_system_type *
- if (error < 0)
- goto out_free_secdata;
- }
-- BUG_ON(!mnt->mnt_sb);
-- WARN_ON(!mnt->mnt_sb->s_bdi);
-+
-+ sb = mnt->mnt_sb;
-+ BUG_ON(!sb);
-+ WARN_ON(!sb->s_bdi);
- mnt->mnt_sb->s_flags |= MS_BORN;
+@@ -1131,6 +1133,13 @@ mount_fs(struct file_system_type *type,
+ WARN_ON(!sb->s_bdi);
+ sb->s_flags |= MS_BORN;
-- error = security_sb_kern_mount(mnt->mnt_sb, flags, secdata);
+ error = -EPERM;
-+ if (!vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT) && !sb->s_bdev &&
++ 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;
+
-+ error = security_sb_kern_mount(sb, flags, secdata);
+ error = security_sb_kern_mount(sb, flags, secdata);
if (error)
goto out_sb;
-
-diff -NurpP --minimal linux-2.6.37/fs/sysfs/mount.c linux-2.6.37-vs2.3.0.37-rc3/fs/sysfs/mount.c
---- linux-2.6.37/fs/sysfs/mount.c 2011-01-05 21:50:27.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/sysfs/mount.c 2010-11-23 02:09:41.000000000 +0100
-@@ -47,7 +47,7 @@ static int sysfs_fill_super(struct super
-
- 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;
-
-diff -NurpP --minimal linux-2.6.37/fs/utimes.c linux-2.6.37-vs2.3.0.37-rc3/fs/utimes.c
---- linux-2.6.37/fs/utimes.c 2010-10-21 13:07:51.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/utimes.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/fs/utimes.c linux-4.4.111-vs2.3.9.5/fs/utimes.c
+--- linux-4.4.111/fs/utimes.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/utimes.c 2018-01-09 16:36:32.000000000 +0000
@@ -8,6 +8,8 @@
#include <linux/stat.h>
#include <linux/utime.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
-@@ -52,12 +54,18 @@ static int utimes_common(struct path *pa
+@@ -52,13 +54,19 @@ static int utimes_common(struct path *pa
{
int error;
struct iattr newattrs;
- struct inode *inode = path->dentry->d_inode;
+ struct inode *delegated_inode = NULL;
+ struct inode *inode;
++
++ error = cow_check_and_break(path);
++ if (error)
++ goto out;
error = mnt_want_write(path->mnt);
if (error)
goto out;
-+ error = cow_check_and_break(path);
-+ if (error)
-+ goto mnt_drop_write_and_out;
-+
+ inode = path->dentry->d_inode;
+
if (times && times[0].tv_nsec == UTIME_NOW &&
times[1].tv_nsec == UTIME_NOW)
times = NULL;
-diff -NurpP --minimal linux-2.6.37/fs/xattr.c linux-2.6.37-vs2.3.0.37-rc3/fs/xattr.c
---- linux-2.6.37/fs/xattr.c 2010-08-02 16:52:52.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xattr.c 2010-11-23 02:09:41.000000000 +0100
-@@ -18,6 +18,7 @@
- #include <linux/module.h>
- #include <linux/fsnotify.h>
+diff -NurpP --minimal linux-4.4.111/fs/xattr.c linux-4.4.111-vs2.3.9.5/fs/xattr.c
+--- linux-4.4.111/fs/xattr.c 2018-01-11 07:57:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/fs/xattr.c 2018-01-09 16:36:32.000000000 +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>
+ #include <asm/uaccess.h>
-@@ -49,7 +50,7 @@ xattr_permission(struct inode *inode, co
- * The trusted.* namespace can only be accessed by a privileged user.
+@@ -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))
-- return (capable(CAP_SYS_ADMIN) ? 0 : -EPERM);
-+ return (vx_capable(CAP_SYS_ADMIN, VXC_FS_TRUSTED) ? 0 : -EPERM);
-
- /* In user.* namespace, only regular files and directories can have
- * extended attributes. For sticky directories, only the owner and
-diff -NurpP --minimal linux-2.6.37/fs/xfs/linux-2.6/xfs_ioctl.c linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_ioctl.c
---- linux-2.6.37/fs/xfs/linux-2.6/xfs_ioctl.c 2011-01-05 21:50:27.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_ioctl.c 2010-11-23 02:09:41.000000000 +0100
-@@ -28,7 +28,7 @@
- #include "xfs_bmap_btree.h"
- #include "xfs_dinode.h"
- #include "xfs_inode.h"
--#include "xfs_ioctl.h"
-+// #include "xfs_ioctl.h"
- #include "xfs_rtalloc.h"
- #include "xfs_itable.h"
- #include "xfs_error.h"
-@@ -738,6 +738,10 @@ 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
-@@ -766,6 +770,8 @@ 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)
-@@ -826,6 +832,8 @@ 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)
-@@ -868,6 +876,10 @@ 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
-@@ -1342,10 +1354,18 @@ xfs_file_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);
-
- case XFS_IOC_FSSETDM: {
-diff -NurpP --minimal linux-2.6.37/fs/xfs/linux-2.6/xfs_ioctl.h linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_ioctl.h
---- linux-2.6.37/fs/xfs/linux-2.6/xfs_ioctl.h 2010-07-07 18:31:54.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_ioctl.h 2010-11-23 02:09:41.000000000 +0100
-@@ -70,6 +70,12 @@ xfs_handle_to_dentry(
- void __user *uhandle,
- u32 hlen);
-
-+extern int
-+xfs_sync_flags(
-+ struct inode *inode,
-+ int flags,
-+ int vflags);
-+
- extern long
- xfs_file_ioctl(
- struct file *filp,
-diff -NurpP --minimal linux-2.6.37/fs/xfs/linux-2.6/xfs_iops.c linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_iops.c
---- linux-2.6.37/fs/xfs/linux-2.6/xfs_iops.c 2011-01-05 21:50:27.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_iops.c 2010-11-23 02:09:41.000000000 +0100
-@@ -30,6 +30,7 @@
- #include "xfs_bmap_btree.h"
- #include "xfs_dinode.h"
- #include "xfs_inode.h"
-+#include "xfs_ioctl.h"
- #include "xfs_bmap.h"
- #include "xfs_rtalloc.h"
- #include "xfs_error.h"
-@@ -49,6 +50,7 @@
- #include <linux/falloc.h>
- #include <linux/fiemap.h>
- #include <linux/slab.h>
-+#include <linux/vs_tag.h>
-
- /*
- * Bring the timestamps in the XFS inode uptodate.
-@@ -464,6 +466,7 @@ 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;
- stat->atime = inode->i_atime;
- stat->mtime = inode->i_mtime;
-@@ -652,6 +655,7 @@ static const struct inode_operations xfs
- .listxattr = xfs_vn_listxattr,
- .fallocate = xfs_vn_fallocate,
- .fiemap = xfs_vn_fiemap,
-+ .sync_flags = xfs_sync_flags,
- };
-
- static const struct inode_operations xfs_dir_inode_operations = {
-@@ -677,6 +681,7 @@ static const struct inode_operations xfs
- .getxattr = generic_getxattr,
- .removexattr = generic_removexattr,
- .listxattr = xfs_vn_listxattr,
-+ .sync_flags = xfs_sync_flags,
- };
-
- static const struct inode_operations xfs_dir_ci_inode_operations = {
-@@ -726,6 +731,10 @@ 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
-@@ -738,6 +747,15 @@ xfs_diflags_to_iflags(
- inode->i_flags |= S_NOATIME;
- else
- inode->i_flags &= ~S_NOATIME;
-+
-+ 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;
+ 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-4.4.111/include/linux/capability.h linux-4.4.111-vs2.3.9.5/include/linux/capability.h
+--- linux-4.4.111/include/linux/capability.h 2018-01-11 07:57:47.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/capability.h 2018-01-09 16:36:32.000000000 +0000
+@@ -77,7 +77,8 @@ 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-4.4.111/include/linux/cred.h linux-4.4.111-vs2.3.9.5/include/linux/cred.h
+--- linux-4.4.111/include/linux/cred.h 2018-01-11 07:57:47.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/cred.h 2018-01-11 08:03:00.000000000 +0000
+@@ -161,6 +161,7 @@ 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 *);
+@@ -221,6 +222,31 @@ static inline bool cap_ambient_invariant
+ cred->cap_inheritable));
}
- /*
-@@ -769,6 +787,7 @@ 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-2.6.37/fs/xfs/linux-2.6/xfs_linux.h linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_linux.h
---- linux-2.6.37/fs/xfs/linux-2.6/xfs_linux.h 2011-01-05 21:50:27.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_linux.h 2010-11-23 03:28:16.000000000 +0100
-@@ -115,6 +115,7 @@
-
- #define current_cpu() (raw_smp_processor_id())
- #define current_pid() (current->pid)
-+#define current_fstag(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-2.6.37/fs/xfs/linux-2.6/xfs_super.c linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_super.c
---- linux-2.6.37/fs/xfs/linux-2.6/xfs_super.c 2011-01-05 21:50:27.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/linux-2.6/xfs_super.c 2010-11-23 02:09:41.000000000 +0100
-@@ -112,6 +112,9 @@ mempool_t *xfs_ioend_pool;
- #define MNTOPT_QUOTANOENF "qnoenforce" /* same as uqnoenforce */
- #define MNTOPT_DELAYLOG "delaylog" /* Delayed loging enabled */
- #define MNTOPT_NODELAYLOG "nodelaylog" /* Delayed loging disabled */
-+#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 */
-
- /*
- * Table driven mount option parser.
-@@ -120,10 +123,14 @@ mempool_t *xfs_ioend_pool;
- * in the future, too.
- */
- enum {
-+ Opt_tag, Opt_notag,
- Opt_barrier, Opt_nobarrier, Opt_err
- };
-
- static const match_table_t tokens = {
-+ {Opt_tag, "tagxid"},
-+ {Opt_tag, "tag"},
-+ {Opt_notag, "notag"},
- {Opt_barrier, "barrier"},
- {Opt_nobarrier, "nobarrier"},
- {Opt_err, NULL}
-@@ -367,6 +374,19 @@ 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)) {
-+ mp->m_flags |= XFS_MOUNT_TAGGED;
-+ } else if (!strcmp(this_char, MNTOPT_NOTAGTAG)) {
-+ mp->m_flags &= ~XFS_MOUNT_TAGGED;
-+ } else if (!strcmp(this_char, MNTOPT_TAGXID)) {
-+ mp->m_flags |= XFS_MOUNT_TAGGED;
++static inline void set_cred_subscribers(struct cred *cred, int n)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ atomic_set(&cred->subscribers, n);
+#endif
-+#ifdef CONFIG_PROPAGATE
-+ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
-+ /* use value */
-+ mp->m_flags |= XFS_MOUNT_TAGGED;
++}
++
++static inline int read_cred_subscribers(const struct cred *cred)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ return atomic_read(&cred->subscribers);
++#else
++ return 0;
+#endif
- } else {
- cmn_err(CE_WARN,
- "XFS: unknown mount option [%s].", this_char);
-@@ -1312,6 +1332,16 @@ 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
-@@ -1540,6 +1570,9 @@ xfs_fs_fill_super(
- if (error)
- goto out_filestream_unmount;
-
-+ if (mp->m_flags & XFS_MOUNT_TAGGED)
-+ sb->s_flags |= MS_TAGGED;
++}
+
- sb->s_magic = XFS_SB_MAGIC;
- sb->s_blocksize = mp->m_sb.sb_blocksize;
- sb->s_blocksize_bits = ffs(sb->s_blocksize) - 1;
-diff -NurpP --minimal linux-2.6.37/fs/xfs/xfs_dinode.h linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_dinode.h
---- linux-2.6.37/fs/xfs/xfs_dinode.h 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_dinode.h 2010-11-23 03:21:21.000000000 +0100
-@@ -51,7 +51,9 @@ typedef struct xfs_dinode {
- __be32 di_nlink; /* number of links to file */
- __be16 di_projid_lo; /* lower part of owner's project id */
- __be16 di_projid_hi; /* higher part owner's project id */
-- __u8 di_pad[6]; /* unused, zeroed space */
-+ __u8 di_pad[2]; /* unused, zeroed space */
-+ __be16 di_tag; /* context tagging */
-+ __be16 di_vflags; /* vserver specific flags */
- __be16 di_flushiter; /* incremented on flush */
- xfs_timestamp_t di_atime; /* time last accessed */
- xfs_timestamp_t di_mtime; /* time last modified */
-@@ -184,6 +186,8 @@ static inline void xfs_dinode_put_rdev(s
- #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)
-@@ -199,6 +203,7 @@ static inline void xfs_dinode_put_rdev(s
- #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)
-@@ -211,6 +216,10 @@ static inline void xfs_dinode_put_rdev(s
- 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-2.6.37/fs/xfs/xfs_fs.h linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_fs.h
---- linux-2.6.37/fs/xfs/xfs_fs.h 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_fs.h 2010-11-23 03:16:13.000000000 +0100
-@@ -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 */
-
- /*
-@@ -297,7 +300,8 @@ typedef struct xfs_bstat {
- #define bs_projid bs_projid_lo /* (previously just bs_projid) */
- __u16 bs_forkoff; /* inode fork offset in bytes */
- __u16 bs_projid_hi; /* higher part of project id */
-- unsigned char bs_pad[10]; /* pad space, unused */
-+ unsigned char bs_pad[8]; /* pad space, unused */
-+ __u16 bs_tag; /* context tagging */
- __u32 bs_dmevmask; /* DMIG event mask */
- __u16 bs_dmstate; /* DMIG state info */
- __u16 bs_aextents; /* attribute number of extents */
-diff -NurpP --minimal linux-2.6.37/fs/xfs/xfs_ialloc.c linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_ialloc.c
---- linux-2.6.37/fs/xfs/xfs_ialloc.c 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_ialloc.c 2010-11-23 02:09:41.000000000 +0100
-@@ -37,7 +37,6 @@
- #include "xfs_error.h"
- #include "xfs_bmap.h"
++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
++}
++
+ /**
+ * get_new_cred - Get a reference on a new set of credentials
+ * @cred: The new credentials to reference
+diff -NurpP --minimal linux-4.4.111/include/linux/dcache.h linux-4.4.111-vs2.3.9.5/include/linux/dcache.h
+--- linux-4.4.111/include/linux/dcache.h 2018-01-11 07:57:47.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/dcache.h 2018-01-09 16:36:32.000000000 +0000
+@@ -10,6 +10,7 @@
+ #include <linux/cache.h>
+ #include <linux/rcupdate.h>
+ #include <linux/lockref.h>
++// #include <linux/vs_limit.h>
--
- /*
- * Allocation group level functions.
+ struct path;
+ struct vfsmount;
+@@ -351,8 +352,10 @@ extern char *dentry_path(struct dentry *
*/
-diff -NurpP --minimal linux-2.6.37/fs/xfs/xfs_inode.c linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_inode.c
---- linux-2.6.37/fs/xfs/xfs_inode.c 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_inode.c 2010-11-23 03:28:30.000000000 +0100
-@@ -245,6 +245,7 @@ xfs_inotobp(
- return 0;
+ static inline struct dentry *dget_dlock(struct dentry *dentry)
+ {
+- if (dentry)
++ if (dentry) {
+ dentry->d_lockref.count++;
++ // vx_dentry_inc(dentry);
++ }
+ return dentry;
}
-+#include <linux/vs_tag.h>
+diff -NurpP --minimal linux-4.4.111/include/linux/devpts_fs.h linux-4.4.111-vs2.3.9.5/include/linux/devpts_fs.h
+--- linux-4.4.111/include/linux/devpts_fs.h 2018-01-11 07:57:47.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/devpts_fs.h 2018-01-09 16:36:32.000000000 +0000
+@@ -35,5 +35,4 @@ void devpts_pty_kill(struct inode *inode
- /*
- * This routine is called to map an inode to the buffer containing
-@@ -650,15 +651,25 @@ xfs_iformat_btree(
- STATIC void
- xfs_dinode_from_disk(
- xfs_icdinode_t *to,
-- xfs_dinode_t *from)
-+ xfs_dinode_t *from,
-+ int tagged)
- {
-+ 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_lo = be16_to_cpu(from->di_projid_lo);
- to->di_projid_hi = be16_to_cpu(from->di_projid_hi);
-@@ -680,21 +691,26 @@ 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);
- }
-
- void
- xfs_dinode_to_disk(
- xfs_dinode_t *to,
-- xfs_icdinode_t *from)
-+ xfs_icdinode_t *from,
-+ int tagged)
- {
- 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_lo = cpu_to_be16(from->di_projid_lo);
- to->di_projid_hi = cpu_to_be16(from->di_projid_hi);
-@@ -716,12 +732,14 @@ 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);
- }
-
- STATIC uint
- _xfs_dic2xflags(
-- __uint16_t di_flags)
-+ __uint16_t di_flags,
-+ __uint16_t di_vflags)
- {
- uint flags = 0;
-
-@@ -732,6 +750,8 @@ _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)
-@@ -756,6 +776,10 @@ _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;
- }
-
-@@ -765,7 +789,7 @@ xfs_ip2xflags(
- {
- 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);
- }
-
-@@ -773,7 +797,8 @@ uint
- xfs_dic2xflags(
- xfs_dinode_t *dip)
- {
-- return _xfs_dic2xflags(be16_to_cpu(dip->di_flags)) |
-+ return _xfs_dic2xflags(be16_to_cpu(dip->di_flags),
-+ be16_to_cpu(dip->di_vflags)) |
- (XFS_DFORK_Q(dip) ? XFS_XFLAG_HASATTR : 0);
- }
+ #endif
-@@ -806,7 +831,6 @@ xfs_iread(
- if (error)
- return error;
- dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
-
- /*
- * If we got something that isn't an inode it means someone
- * (nfs or dmi) has a stale handle.
-@@ -831,7 +855,8 @@ xfs_iread(
- * Otherwise, just get the truly permanent information.
- */
- if (dip->di_mode) {
-- xfs_dinode_from_disk(&ip->i_d, dip);
-+ xfs_dinode_from_disk(&ip->i_d, dip,
-+ mp->m_flags & XFS_MOUNT_TAGGED);
- error = xfs_iformat(ip, dip);
- if (error) {
- #ifdef DEBUG
-@@ -1028,6 +1053,7 @@ 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(&ip->i_vnode);
- xfs_set_projid(ip, prid);
- memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
-
-@@ -1088,6 +1114,7 @@ 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:
-@@ -2106,6 +2133,7 @@ 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 =
-@@ -2976,7 +3004,8 @@ xfs_iflush_int(
- * because if the inode is dirty at all the core must
- * be.
- */
-- xfs_dinode_to_disk(dip, &ip->i_d);
-+ xfs_dinode_to_disk(dip, &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-2.6.37/fs/xfs/xfs_inode.h linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_inode.h
---- linux-2.6.37/fs/xfs/xfs_inode.h 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_inode.h 2010-11-23 03:29:08.000000000 +0100
-@@ -136,7 +136,9 @@ typedef struct xfs_icdinode {
- __uint32_t di_nlink; /* number of links to file */
- __uint16_t di_projid_lo; /* lower part of owner's project id */
- __uint16_t di_projid_hi; /* higher part of owner's project id */
-- __uint8_t di_pad[6]; /* unused, zeroed space */
-+ __uint8_t di_pad[2]; /* unused, zeroed space */
-+ __uint16_t di_tag; /* context tagging */
-+ __uint16_t di_vflags; /* vserver specific flags */
- __uint16_t di_flushiter; /* incremented on flush */
- xfs_ictimestamp_t di_atime; /* time last accessed */
- xfs_ictimestamp_t di_mtime; /* time last modified */
-@@ -527,7 +529,7 @@ int xfs_itobp(struct xfs_mount *, struc
- int xfs_iread(struct xfs_mount *, struct xfs_trans *,
- struct xfs_inode *, uint);
- void xfs_dinode_to_disk(struct xfs_dinode *,
-- struct xfs_icdinode *);
-+ struct xfs_icdinode *, int);
- void xfs_idestroy_fork(struct xfs_inode *, int);
- void xfs_idata_realloc(struct xfs_inode *, int, int);
- void xfs_iroot_realloc(struct xfs_inode *, int, int);
-diff -NurpP --minimal linux-2.6.37/fs/xfs/xfs_itable.c linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_itable.c
---- linux-2.6.37/fs/xfs/xfs_itable.c 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_itable.c 2010-11-23 02:09:41.000000000 +0100
-@@ -98,6 +98,7 @@ xfs_bulkstat_one_int(
- 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;
-
- /*
-diff -NurpP --minimal linux-2.6.37/fs/xfs/xfs_log_recover.c linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_log_recover.c
---- linux-2.6.37/fs/xfs/xfs_log_recover.c 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_log_recover.c 2010-11-23 02:09:41.000000000 +0100
-@@ -2451,7 +2451,8 @@ xlog_recover_do_inode_trans(
- }
-
- /* The core is in in-core format */
-- xfs_dinode_to_disk(dip, item->ri_buf[1].i_addr);
-+ xfs_dinode_to_disk(dip, 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(struct xfs_icdinode)) {
-diff -NurpP --minimal linux-2.6.37/fs/xfs/xfs_mount.h linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_mount.h
---- linux-2.6.37/fs/xfs/xfs_mount.h 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_mount.h 2010-11-23 02:09:41.000000000 +0100
-@@ -239,6 +239,7 @@ typedef struct xfs_mount {
- allocator */
- #define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
-
-+#define XFS_MOUNT_TAGGED (1ULL << 31) /* context tagging */
+ #endif /* _LINUX_DEVPTS_FS_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/fs.h linux-4.4.111-vs2.3.9.5/include/linux/fs.h
+--- linux-4.4.111/include/linux/fs.h 2018-01-11 07:57:47.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/fs.h 2018-01-09 16:43:56.000000000 +0000
+@@ -227,6 +227,7 @@ typedef void (dax_iodone_t)(struct buffe
+ #define ATTR_OPEN (1 << 15) /* Truncating from open(O_TRUNC) */
+ #define ATTR_TIMES_SET (1 << 16)
+ #define ATTR_TOUCH (1 << 17)
++#define ATTR_TAG (1 << 18)
/*
- * Default minimum read and write sizes.
-diff -NurpP --minimal linux-2.6.37/fs/xfs/xfs_vnodeops.c linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_vnodeops.c
---- linux-2.6.37/fs/xfs/xfs_vnodeops.c 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_vnodeops.c 2011-01-06 00:07:49.000000000 +0100
-@@ -50,6 +50,78 @@
- #include "xfs_vnodeops.h"
- #include "xfs_trace.h"
-
-+
-+STATIC void
-+xfs_get_inode_flags(
-+ xfs_inode_t *ip)
-+{
-+ struct inode *inode = VFS_I(ip);
-+ unsigned int flags = inode->i_flags;
-+ unsigned int vflags = inode->i_vflags;
-+
-+ 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;
-+
-+ 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;
-+}
-+
-+int
-+xfs_sync_flags(
-+ struct inode *inode,
-+ int flags,
-+ int vflags)
-+{
-+ struct xfs_inode *ip = XFS_I(inode);
-+ struct xfs_mount *mp = ip->i_mount;
-+ struct xfs_trans *tp;
-+ unsigned int lock_flags = 0;
-+ int code;
-+
-+ 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_out;
-+
-+ xfs_ilock(ip, XFS_ILOCK_EXCL);
-+
-+ xfs_trans_ijoin(tp, ip);
-+
-+ inode->i_flags = flags;
-+ inode->i_vflags = vflags;
-+ xfs_get_inode_flags(ip);
-+
-+ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
-+ xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
-+
-+ XFS_STATS_INC(xs_ig_attrchg);
-+
-+ if (mp->m_flags & XFS_MOUNT_WSYNC)
-+ xfs_trans_set_sync(tp);
-+ code = xfs_trans_commit(tp, 0);
-+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
-+ return code;
-+
-+error_out:
-+ xfs_trans_cancel(tp, 0);
-+ if (lock_flags)
-+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
-+ return code;
-+}
-+
-+
- int
- xfs_setattr(
- struct xfs_inode *ip,
-@@ -65,6 +137,7 @@ xfs_setattr(
- uint commit_flags=0;
- uid_t uid=0, iuid=0;
- gid_t gid=0, igid=0;
-+ tag_t tag=0, itag=0;
- struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2;
- int need_iolock = 1;
-
-@@ -147,7 +220,7 @@ xfs_setattr(
- /*
- * Change file ownership. Must be the owner or privileged.
- */
-- 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
-@@ -156,8 +229,10 @@ 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;
-
- /*
- * Do a quota reservation only if uid/gid is actually
-@@ -165,7 +240,8 @@ xfs_setattr(
- */
- if (XFS_IS_QUOTA_RUNNING(mp) &&
- ((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))) {
- ASSERT(tp);
- code = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp,
- capable(CAP_FOWNER) ?
-@@ -329,7 +405,7 @@ xfs_setattr(
- /*
- * Change file ownership. Must be the owner or privileged.
- */
-- if (mask & (ATTR_UID|ATTR_GID)) {
-+ if (mask & (ATTR_UID|ATTR_GID|ATTR_TAG)) {
- /*
- * CAP_FSETID overrides the following restrictions:
- *
-@@ -345,6 +421,10 @@ 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_QUOTA_RUNNING(mp) && XFS_IS_UQUOTA_ON(mp)) {
- ASSERT(mask & ATTR_UID);
-diff -NurpP --minimal linux-2.6.37/fs/xfs/xfs_vnodeops.h linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_vnodeops.h
---- linux-2.6.37/fs/xfs/xfs_vnodeops.h 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/fs/xfs/xfs_vnodeops.h 2010-11-23 02:09:41.000000000 +0100
-@@ -13,6 +13,7 @@ struct xfs_inode;
- struct xfs_iomap;
-
-
-+int xfs_sync_xflags(struct xfs_inode *ip);
- int xfs_setattr(struct xfs_inode *ip, struct iattr *vap, int flags);
- #define XFS_ATTR_DMI 0x01 /* invocation from a DMI function */
- #define XFS_ATTR_NONBLOCK 0x02 /* return EAGAIN if operation would block */
-diff -NurpP --minimal linux-2.6.37/include/asm-generic/tlb.h linux-2.6.37-vs2.3.0.37-rc3/include/asm-generic/tlb.h
---- linux-2.6.37/include/asm-generic/tlb.h 2009-09-10 15:26:24.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/asm-generic/tlb.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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-2.6.37/include/linux/capability.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/capability.h
---- linux-2.6.37/include/linux/capability.h 2010-10-21 13:07:52.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/capability.h 2011-01-06 01:44:43.000000000 +0100
-@@ -280,6 +280,7 @@ struct cpu_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 cpu_vfs_cap_data {
-
- #define CAP_LAST_CAP CAP_MAC_ADMIN
-
--#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
-+/* Allow context manipulations */
-+/* Allow changing context info on files */
-+
-+#define CAP_CONTEXT 63
-+
-+#define cap_valid(x) ((x) >= 0 && ((x) <= CAP_LAST_CAP || (x) == CAP_CONTEXT))
+ * Whiteout is represented by a char device. The following constants define the
+@@ -249,6 +250,7 @@ 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;
+@@ -587,7 +589,9 @@ 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;
- /*
- * Bit location of each capability (used by user-space library and kernel)
-diff -NurpP --minimal linux-2.6.37/include/linux/cred.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/cred.h
---- linux-2.6.37/include/linux/cred.h 2011-01-05 21:50:29.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/cred.h 2011-01-31 21:05:40.000000000 +0100
-@@ -155,6 +155,7 @@ 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 *);
-@@ -208,6 +209,31 @@ static inline void validate_process_cred
+ #ifdef CONFIG_FS_POSIX_ACL
+ struct posix_acl *i_acl;
+@@ -616,6 +620,7 @@ 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;
+@@ -814,6 +819,11 @@ static inline gid_t i_gid_read(const str
+ return from_kgid(&init_user_ns, inode->i_gid);
}
- #endif
-+static inline void set_cred_subscribers(struct cred *cred, int n)
++static inline vtag_t i_tag_read(const struct inode *inode)
+{
-+#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
++ return from_ktag(&init_user_ns, inode->i_tag);
+}
+
-+static inline void alter_cred_subscribers(const struct cred *_cred, int n)
+ static inline void i_uid_write(struct inode *inode, uid_t uid)
+ {
+ inode->i_uid = make_kuid(&init_user_ns, uid);
+@@ -824,14 +834,19 @@ static inline void i_gid_write(struct in
+ inode->i_gid = make_kgid(&init_user_ns, gid);
+ }
+
++static inline void i_tag_write(struct inode *inode, vtag_t tag)
+{
-+#ifdef CONFIG_DEBUG_CREDENTIALS
-+ struct cred *cred = (struct cred *) _cred;
-+
-+ atomic_add(n, &cred->subscribers);
-+#endif
++ inode->i_tag = make_ktag(&init_user_ns, tag);
+}
+
- /**
- * get_new_cred - Get a reference on a new set of credentials
- * @cred: The new credentials to reference
-diff -NurpP --minimal linux-2.6.37/include/linux/devpts_fs.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/devpts_fs.h
---- linux-2.6.37/include/linux/devpts_fs.h 2008-12-25 00:26:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/devpts_fs.h 2010-11-23 02:09:41.000000000 +0100
-@@ -45,5 +45,4 @@ static inline void devpts_pty_kill(struc
-
- #endif
-
--
- #endif /* _LINUX_DEVPTS_FS_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/ext2_fs.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/ext2_fs.h
---- linux-2.6.37/include/linux/ext2_fs.h 2010-02-25 11:52:07.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/ext2_fs.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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 */
-
-@@ -274,7 +278,8 @@ 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 */
-@@ -303,6 +308,7 @@ 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
+ static inline unsigned iminor(const struct inode *inode)
+ {
+- return MINOR(inode->i_rdev);
++ return MINOR(inode->i_mdev);
+ }
-@@ -347,6 +353,7 @@ 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 */
+ 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);
+@@ -888,6 +903,7 @@ 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;
- #define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt
-diff -NurpP --minimal linux-2.6.37/include/linux/ext3_fs.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/ext3_fs.h
---- linux-2.6.37/include/linux/ext3_fs.h 2010-10-21 13:07:53.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/ext3_fs.h 2010-11-23 02:09:41.000000000 +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 */
-
- /* Flags that should be inherited by new inodes from their parent. */
- #define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\
-@@ -312,7 +316,8 @@ 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 */
-@@ -343,6 +348,7 @@ 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
+ u64 f_version;
+@@ -1022,6 +1038,7 @@ struct file_lock {
+ struct file *fl_file;
+ loff_t fl_start;
+ loff_t fl_end;
++ vxid_t fl_xid;
- #elif defined(__GNU__)
-@@ -405,6 +411,7 @@ 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
-@@ -908,6 +915,7 @@ 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);
+ struct fasync_struct * fl_fasync; /* for lease break notifications */
+ /* for lease breaks: */
+@@ -1698,6 +1715,7 @@ 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);
+@@ -1712,6 +1730,7 @@ 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);
- /* ioctl.c */
- extern long ext3_ioctl(struct file *, unsigned int, unsigned long);
-diff -NurpP --minimal linux-2.6.37/include/linux/fs.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/fs.h
---- linux-2.6.37/include/linux/fs.h 2011-01-05 21:50:30.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/fs.h 2011-01-05 22:30:40.000000000 +0100
-@@ -214,6 +214,9 @@ 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<<25) /* use generic inode tagging */
-+#define MS_TAGID (1<<26) /* use specific tag for this mount */
-+#define MS_NOTAGCHECK (1<<27) /* don't check tags */
- #define MS_BORN (1<<29)
- #define MS_ACTIVE (1<<30)
- #define MS_NOUSER (1<<31)
-@@ -242,6 +245,14 @@ struct inodes_stat_t {
- #define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */
- #define S_PRIVATE 512 /* Inode is fs-internal */
- #define S_IMA 1024 /* Inode has an associated IMA struct */
-+#define S_IXUNLINK 2048 /* Immutable Invert on unlink */
+ 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 *);
+@@ -1777,6 +1796,14 @@ struct super_operations {
+ #else
+ #define S_DAX 0 /* Make all the DAX code disappear */
+ #endif
++#define S_IXUNLINK 16384 /* Immutable Invert on unlink */
+
+/* Linux-VServer related Inode flags */
+
/*
* Note that nosuid etc flags are inode-specific: setting some file-system
-@@ -264,12 +275,15 @@ struct inodes_stat_t {
- #define IS_DIRSYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \
- ((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
+@@ -1801,10 +1828,13 @@ 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_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_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
#define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
-@@ -278,6 +292,16 @@ struct inodes_stat_t {
- #define IS_PRIVATE(inode) ((inode)->i_flags & S_PRIVATE)
- #define IS_IMA(inode) ((inode)->i_flags & S_IMA)
+@@ -1819,6 +1849,16 @@ struct super_operations {
+ #define IS_WHITEOUT(inode) (S_ISCHR(inode->i_mode) && \
+ (inode)->i_rdev == WHITEOUT_DEV)
+#define IS_BARRIER(inode) (S_ISDIR((inode)->i_mode) && ((inode)->i_vflags & V_BARRIER))
+
+# 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. */
-
-@@ -362,11 +386,14 @@ struct inodes_stat_t {
- #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
-@@ -446,6 +473,7 @@ 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
-@@ -461,6 +489,7 @@ 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;
-@@ -474,6 +503,9 @@ struct iattr {
- struct file *ia_file;
- };
+ * Inode state bits. Protected by inode->i_lock
+ *
+@@ -2075,6 +2115,9 @@ 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);
+#define ATTR_FLAG_BARRIER 512 /* Barrier for chroot() */
+#define ATTR_FLAG_IXUNLINK 1024 /* Immutable invert on unlink */
+
/*
- * Includes for diskquotas.
- */
-@@ -743,7 +775,9 @@ 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;
- unsigned int i_blkbits;
- u64 i_version;
- loff_t i_size;
-@@ -785,7 +819,8 @@ 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;
-
- #ifdef CONFIG_IMA
- /* protected by i_lock */
-@@ -882,12 +917,12 @@ 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);
-@@ -949,6 +984,7 @@ struct file {
- loff_t f_pos;
- struct fown_struct f_owner;
- const struct cred *f_cred;
-+ xid_t f_xid;
- struct file_ra_state f_ra;
-
- u64 f_version;
-@@ -1087,6 +1123,7 @@ 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 */
-@@ -1568,6 +1605,7 @@ 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);
- void (*truncate_range)(struct inode *, loff_t, loff_t);
- long (*fallocate)(struct inode *inode, int mode, loff_t offset,
- loff_t len);
-@@ -1588,6 +1626,7 @@ 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);
-@@ -2389,6 +2428,7 @@ extern int dcache_dir_open(struct inode
+ * Candidates for mandatory locking have the setgid bit set
+ * but no group execute bit - an otherwise meaningless combination.
+@@ -2830,6 +2873,7 @@ 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 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-2.6.37/include/linux/gfs2_ondisk.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/gfs2_ondisk.h
---- linux-2.6.37/include/linux/gfs2_ondisk.h 2010-07-07 18:31:55.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/gfs2_ondisk.h 2010-11-23 02:09:41.000000000 +0100
-@@ -211,6 +211,9 @@ enum {
- gfs2fl_NoAtime = 7,
- gfs2fl_Sync = 8,
- gfs2fl_System = 9,
-+ gfs2fl_IXUnlink = 16,
-+ gfs2fl_Barrier = 17,
-+ gfs2fl_Cow = 18,
- gfs2fl_TruncInProg = 29,
- gfs2fl_InheritDirectio = 30,
- gfs2fl_InheritJdata = 31,
-@@ -227,6 +230,9 @@ enum {
- #define GFS2_DIF_NOATIME 0x00000080
- #define GFS2_DIF_SYNC 0x00000100
- #define GFS2_DIF_SYSTEM 0x00000200 /* 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
- #define GFS2_DIF_INHERIT_JDATA 0x80000000
-diff -NurpP --minimal linux-2.6.37/include/linux/if_tun.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/if_tun.h
---- linux-2.6.37/include/linux/if_tun.h 2010-08-02 16:52:54.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/if_tun.h 2010-11-23 02:09:41.000000000 +0100
-@@ -53,6 +53,7 @@
- #define TUNDETACHFILTER _IOW('T', 214, struct sock_fprog)
- #define TUNGETVNETHDRSZ _IOR('T', 215, int)
- #define TUNSETVNETHDRSZ _IOW('T', 216, int)
-+#define TUNSETNID _IOW('T', 217, int)
-
- /* TUNSETIFF ifr flags */
- #define IFF_TUN 0x0001
-diff -NurpP --minimal linux-2.6.37/include/linux/init_task.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/init_task.h
---- linux-2.6.37/include/linux/init_task.h 2011-01-05 21:50:30.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/init_task.h 2010-11-23 02:09:41.000000000 +0100
-@@ -178,6 +178,10 @@ extern struct cred init_cred;
- INIT_FTRACE_GRAPH \
- INIT_TRACE_RECURSION \
- INIT_TASK_RCU_PREEMPT(tsk) \
+diff -NurpP --minimal linux-4.4.111/include/linux/init_task.h linux-4.4.111-vs2.3.9.5/include/linux/init_task.h
+--- linux-4.4.111/include/linux/init_task.h 2016-07-05 04:15:10.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/init_task.h 2018-01-09 16:36:32.000000000 +0000
+@@ -260,6 +260,10 @@ extern struct task_group root_task_group
+ INIT_VTIME(tsk) \
+ INIT_NUMA_BALANCING(tsk) \
+ INIT_KASAN(tsk) \
+ .xid = 0, \
+ .vx_info = NULL, \
+ .nid = 0, \
}
-diff -NurpP --minimal linux-2.6.37/include/linux/ipc.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/ipc.h
---- linux-2.6.37/include/linux/ipc.h 2009-12-03 20:02:55.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/ipc.h 2010-11-23 02:09:41.000000000 +0100
-@@ -91,6 +91,7 @@ struct kern_ipc_perm
+diff -NurpP --minimal linux-4.4.111/include/linux/ipc.h linux-4.4.111-vs2.3.9.5/include/linux/ipc.h
+--- linux-4.4.111/include/linux/ipc.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/ipc.h 2018-01-09 16:36:32.000000000 +0000
+@@ -16,6 +16,7 @@ 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-2.6.37/include/linux/Kbuild linux-2.6.37-vs2.3.0.37-rc3/include/linux/Kbuild
---- linux-2.6.37/include/linux/Kbuild 2011-01-05 21:50:28.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/Kbuild 2010-11-23 02:09:41.000000000 +0100
-@@ -15,6 +15,7 @@ header-y += netfilter_bridge/
- header-y += netfilter_ipv4/
- header-y += netfilter_ipv6/
- header-y += usb/
-+header-y += vserver/
- header-y += wimax/
+ kuid_t uid;
+ kgid_t gid;
++ vxid_t xid;
+ kuid_t cuid;
+ kgid_t cgid;
+ umode_t mode;
+diff -NurpP --minimal linux-4.4.111/include/linux/memcontrol.h linux-4.4.111-vs2.3.9.5/include/linux/memcontrol.h
+--- linux-4.4.111/include/linux/memcontrol.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/memcontrol.h 2018-01-09 16:36:32.000000000 +0000
+@@ -113,6 +113,7 @@ struct cg_proto {
+ struct mem_cgroup *memcg;
+ };
- objhdr-y += version.h
-diff -NurpP --minimal linux-2.6.37/include/linux/loop.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/loop.h
---- linux-2.6.37/include/linux/loop.h 2009-09-10 15:26:25.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/loop.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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);
++
+ #ifdef CONFIG_MEMCG
+ struct mem_cgroup_stat_cpu {
+ long count[MEM_CGROUP_STAT_NSTATS];
+@@ -338,6 +339,11 @@ static inline bool mem_cgroup_is_descend
+ return cgroup_is_descendant(memcg->css.cgroup, root->css.cgroup);
+ }
-diff -NurpP --minimal linux-2.6.37/include/linux/magic.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/magic.h
---- linux-2.6.37/include/linux/magic.h 2011-01-05 21:50:30.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/magic.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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 CRAMFS_MAGIC 0x28cd3d45 /* some random number */
-@@ -38,6 +38,7 @@
- #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-2.6.37/include/linux/major.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/major.h
---- linux-2.6.37/include/linux/major.h 2009-09-10 15:26:25.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/major.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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-2.6.37/include/linux/memcontrol.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/memcontrol.h
---- linux-2.6.37/include/linux/memcontrol.h 2010-10-21 13:07:53.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/memcontrol.h 2010-11-23 02:09:41.000000000 +0100
-@@ -77,6 +77,13 @@ int task_in_mem_cgroup(struct task_struc
- extern struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page);
- extern struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p);
-
-+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
- int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup)
++extern u64 mem_cgroup_mem_usage_pages(struct mem_cgroup *memcg);
++extern u64 mem_cgroup_mem_limit_pages(struct mem_cgroup *memcg);
++extern u64 mem_cgroup_memsw_usage_pages(struct mem_cgroup *memcg);
++extern u64 mem_cgroup_memsw_limit_pages(struct mem_cgroup *memcg);
++
+ static inline bool mm_match_cgroup(struct mm_struct *mm,
+ struct mem_cgroup *memcg)
{
-diff -NurpP --minimal linux-2.6.37/include/linux/mm_types.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/mm_types.h
---- linux-2.6.37/include/linux/mm_types.h 2011-01-05 21:50:31.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/mm_types.h 2010-11-23 02:09:41.000000000 +0100
-@@ -269,6 +269,7 @@ struct mm_struct {
-
- /* Architecture-specific MM context */
- mm_context_t context;
-+ struct vx_info *mm_vx_info;
-
- /* Swap token stuff */
- /*
-diff -NurpP --minimal linux-2.6.37/include/linux/mount.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/mount.h
---- linux-2.6.37/include/linux/mount.h 2010-10-21 13:07:53.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/mount.h 2010-11-23 02:09:41.000000000 +0100
-@@ -46,6 +46,9 @@ struct mnt_namespace;
-
- #define MNT_INTERNAL 0x4000
+diff -NurpP --minimal linux-4.4.111/include/linux/mount.h linux-4.4.111-vs2.3.9.5/include/linux/mount.h
+--- linux-4.4.111/include/linux/mount.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/mount.h 2018-01-09 16:36:32.000000000 +0000
+@@ -63,6 +63,9 @@ struct mnt_namespace;
+ #define MNT_MARKED 0x4000000
+ #define MNT_UMOUNT 0x8000000
+#define MNT_TAGID 0x10000
+#define MNT_NOTAG 0x20000
+
struct vfsmount {
- struct list_head mnt_hash;
- struct vfsmount *mnt_parent; /* fs we are mounted on */
-@@ -84,6 +87,7 @@ struct vfsmount {
- #else
- int mnt_writers;
- #endif
-+ tag_t mnt_tag; /* tagging used for vfsmount */
- };
-
- static inline int *get_mnt_writers_ptr(struct vfsmount *mnt)
-diff -NurpP --minimal linux-2.6.37/include/linux/net.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/net.h
---- linux-2.6.37/include/linux/net.h 2011-01-05 21:50:31.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/net.h 2010-11-23 02:09:41.000000000 +0100
-@@ -71,6 +71,7 @@ struct net;
+ struct dentry *mnt_root; /* root of the mounted tree */
+ struct super_block *mnt_sb; /* pointer to superblock */
+diff -NurpP --minimal linux-4.4.111/include/linux/net.h linux-4.4.111-vs2.3.9.5/include/linux/net.h
+--- linux-4.4.111/include/linux/net.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/net.h 2018-01-09 16:42:30.000000000 +0000
+@@ -43,6 +43,7 @@ struct net;
#define SOCK_NOSPACE 2
#define SOCK_PASSCRED 3
#define SOCK_PASSSEC 4
#ifndef ARCH_HAS_SOCKET_TYPES
/**
-diff -NurpP --minimal linux-2.6.37/include/linux/nfs_mount.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/nfs_mount.h
---- linux-2.6.37/include/linux/nfs_mount.h 2011-01-05 21:50:31.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/nfs_mount.h 2010-11-23 02:09:41.000000000 +0100
-@@ -63,7 +63,8 @@ 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
-
- /* The following are for internal use only */
- #define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
-diff -NurpP --minimal linux-2.6.37/include/linux/nsproxy.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/nsproxy.h
---- linux-2.6.37/include/linux/nsproxy.h 2009-06-11 17:13:17.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/nsproxy.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/include/linux/netdevice.h linux-4.4.111-vs2.3.9.5/include/linux/netdevice.h
+--- linux-4.4.111/include/linux/netdevice.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/netdevice.h 2018-01-09 16:36:32.000000000 +0000
+@@ -2296,6 +2296,7 @@ static inline int dev_recursion_level(vo
+
+ 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-4.4.111/include/linux/nsproxy.h linux-4.4.111-vs2.3.9.5/include/linux/nsproxy.h
+--- linux-4.4.111/include/linux/nsproxy.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/nsproxy.h 2018-01-09 16:36:32.000000000 +0000
@@ -3,6 +3,7 @@
#include <linux/spinlock.h>
struct mnt_namespace;
struct uts_namespace;
-@@ -63,22 +64,33 @@ static inline struct nsproxy *task_nspro
- }
+@@ -63,6 +64,7 @@ extern struct nsproxy init_nsproxy;
+ */
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 *);
+@@ -70,16 +72,26 @@ int unshare_nsproxy_namespaces(unsigned
+ struct cred *, struct fs_struct *);
+ int __init nsproxy_cache_init(void);
-static inline void put_nsproxy(struct nsproxy *ns)
+#define get_nsproxy(n) __get_nsproxy(n, __FILE__, __LINE__)
+ }
}
- #ifdef CONFIG_CGROUP_NS
-diff -NurpP --minimal linux-2.6.37/include/linux/pid.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/pid.h
---- linux-2.6.37/include/linux/pid.h 2009-03-24 14:22:43.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/pid.h 2010-11-23 02:09:41.000000000 +0100
-@@ -8,7 +8,8 @@ enum pid_type
- PIDTYPE_PID,
- PIDTYPE_PGID,
+ #endif
+diff -NurpP --minimal linux-4.4.111/include/linux/pid.h linux-4.4.111-vs2.3.9.5/include/linux/pid.h
+--- linux-4.4.111/include/linux/pid.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/pid.h 2018-01-09 16:45:21.000000000 +0000
+@@ -10,7 +10,8 @@ enum pid_type
PIDTYPE_SID,
-- PIDTYPE_MAX
-+ PIDTYPE_MAX,
-+ PIDTYPE_REALPID
+ PIDTYPE_MAX,
+ /* only valid to __task_pid_nr_ns() */
+- __PIDTYPE_TGID
++ __PIDTYPE_TGID,
++ __PIDTYPE_REALPID
};
/*
-@@ -160,6 +161,7 @@ static inline pid_t pid_nr(struct pid *p
+@@ -172,6 +173,7 @@ static inline pid_t pid_nr(struct pid *p
}
pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns);
pid_t pid_vnr(struct pid *pid);
#define do_each_pid_task(pid, type, task) \
-diff -NurpP --minimal linux-2.6.37/include/linux/proc_fs.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/proc_fs.h
---- linux-2.6.37/include/linux/proc_fs.h 2009-12-03 20:02:56.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/proc_fs.h 2010-11-23 02:09:41.000000000 +0100
-@@ -56,6 +56,7 @@ 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;
- /*
-@@ -250,12 +251,18 @@ kclist_add(struct kcore_list *new, void
- extern void kclist_add(struct kcore_list *, void *, size_t, int type);
- #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;
-@@ -263,6 +270,7 @@ 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-2.6.37/include/linux/quotaops.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/quotaops.h
---- linux-2.6.37/include/linux/quotaops.h 2010-10-21 13:07:54.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/quotaops.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/include/linux/quotaops.h linux-4.4.111-vs2.3.9.5/include/linux/quotaops.h
+--- linux-4.4.111/include/linux/quotaops.h 2016-07-05 04:12:37.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/quotaops.h 2018-01-09 16:36:32.000000000 +0000
@@ -8,6 +8,7 @@
#define _LINUX_QUOTAOPS_
#define DQUOT_SPACE_WARN 0x1
#define DQUOT_SPACE_RESERVE 0x2
-@@ -205,11 +206,12 @@ static inline void dquot_drop(struct ino
+@@ -211,11 +212,12 @@ static inline void dquot_drop(struct ino
- static inline int dquot_alloc_inode(const struct inode *inode)
+ static inline int dquot_alloc_inode(struct inode *inode)
{
- return 0;
+ return dl_alloc_inode(inode);
}
- static inline void dquot_free_inode(const struct inode *inode)
+ static inline void dquot_free_inode(struct inode *inode)
{
+ dl_free_inode(inode);
}
static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
-@@ -220,6 +222,10 @@ static inline int dquot_transfer(struct
+@@ -226,6 +228,10 @@ static inline int dquot_transfer(struct
static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
int flags)
{
if (!(flags & DQUOT_SPACE_RESERVE))
inode_add_bytes(inode, number);
return 0;
-@@ -230,6 +236,7 @@ static inline void __dquot_free_space(st
+@@ -236,6 +242,7 @@ static inline void __dquot_free_space(st
{
if (!(flags & DQUOT_SPACE_RESERVE))
inode_sub_bytes(inode, number);
}
static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
-diff -NurpP --minimal linux-2.6.37/include/linux/reboot.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/reboot.h
---- linux-2.6.37/include/linux/reboot.h 2010-07-07 18:31:56.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/reboot.h 2010-11-23 02:09:41.000000000 +0100
-@@ -33,6 +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
-
-
- #ifdef __KERNEL__
-diff -NurpP --minimal linux-2.6.37/include/linux/reiserfs_fs.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/reiserfs_fs.h
---- linux-2.6.37/include/linux/reiserfs_fs.h 2011-01-05 21:50:32.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/reiserfs_fs.h 2010-11-23 02:09:41.000000000 +0100
-@@ -976,6 +976,11 @@ 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 | \
-@@ -985,6 +990,9 @@ 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 {
-@@ -2070,6 +2078,7 @@ 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, int, int);
-
- int __reiserfs_write_begin(struct page *page, unsigned from, unsigned len);
-
-diff -NurpP --minimal linux-2.6.37/include/linux/reiserfs_fs_sb.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/reiserfs_fs_sb.h
---- linux-2.6.37/include/linux/reiserfs_fs_sb.h 2010-02-25 11:52:07.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/reiserfs_fs_sb.h 2010-11-23 02:09:41.000000000 +0100
-@@ -476,6 +476,7 @@ enum reiserfs_mount_options {
- REISERFS_EXPOSE_PRIVROOT,
- REISERFS_BARRIER_NONE,
- REISERFS_BARRIER_FLUSH,
-+ REISERFS_TAGGED,
-
- /* Actions on error */
- REISERFS_ERROR_PANIC,
-diff -NurpP --minimal linux-2.6.37/include/linux/sched.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/sched.h
---- linux-2.6.37/include/linux/sched.h 2011-01-05 21:50:32.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/sched.h 2011-01-05 22:30:40.000000000 +0100
-@@ -1357,6 +1357,14 @@ struct task_struct {
+diff -NurpP --minimal linux-4.4.111/include/linux/sched.h linux-4.4.111-vs2.3.9.5/include/linux/sched.h
+--- linux-4.4.111/include/linux/sched.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/sched.h 2018-01-09 16:36:32.000000000 +0000
+@@ -1600,6 +1600,14 @@ struct task_struct {
#endif
- seccomp_t seccomp;
+ struct seccomp seccomp;
+/* vserver context data */
+ struct vx_info *vx_info;
+ struct nx_info *nx_info;
+
-+ xid_t xid;
-+ nid_t nid;
-+ tag_t tag;
++ vxid_t xid;
++ vnid_t nid;
++ vtag_t tag;
+
/* Thread group tracking */
u32 parent_exec_id;
u32 self_exec_id;
-@@ -1591,6 +1599,11 @@ struct pid_namespace;
+@@ -1927,6 +1935,11 @@ struct pid_namespace;
pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
struct pid_namespace *ns);
static inline pid_t task_pid_nr(struct task_struct *tsk)
{
return tsk->pid;
-@@ -1604,7 +1617,8 @@ static inline pid_t task_pid_nr_ns(struc
+@@ -1940,7 +1953,8 @@ static inline pid_t task_pid_nr_ns(struc
static inline pid_t task_pid_vnr(struct task_struct *tsk)
{
}
-@@ -1617,7 +1631,7 @@ 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-2.6.37/include/linux/shmem_fs.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/shmem_fs.h
---- linux-2.6.37/include/linux/shmem_fs.h 2010-10-21 13:07:55.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/shmem_fs.h 2010-11-23 02:09:41.000000000 +0100
-@@ -9,6 +9,9 @@
+diff -NurpP --minimal linux-4.4.111/include/linux/shmem_fs.h linux-4.4.111-vs2.3.9.5/include/linux/shmem_fs.h
+--- linux-4.4.111/include/linux/shmem_fs.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/shmem_fs.h 2018-01-09 16:36:32.000000000 +0000
+@@ -10,6 +10,9 @@
- #define SHMEM_NR_DIRECT 16
+ /* inode in-kernel data */
+#define TMPFS_SUPER_MAGIC 0x01021994
+
+
struct shmem_inode_info {
spinlock_t lock;
- unsigned long flags;
-diff -NurpP --minimal linux-2.6.37/include/linux/stat.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/stat.h
---- linux-2.6.37/include/linux/stat.h 2008-12-25 00:26:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/stat.h 2010-11-23 02:09:41.000000000 +0100
-@@ -66,6 +66,7 @@ struct kstat {
+ unsigned int seals; /* shmem seals */
+diff -NurpP --minimal linux-4.4.111/include/linux/stat.h linux-4.4.111-vs2.3.9.5/include/linux/stat.h
+--- linux-4.4.111/include/linux/stat.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/stat.h 2018-01-09 16:36:32.000000000 +0000
+@@ -25,6 +25,7 @@ struct kstat {
unsigned int nlink;
- uid_t uid;
- gid_t gid;
-+ tag_t tag;
+ kuid_t uid;
+ kgid_t gid;
++ ktag_t tag;
dev_t rdev;
loff_t size;
struct timespec atime;
-diff -NurpP --minimal linux-2.6.37/include/linux/sunrpc/auth.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/sunrpc/auth.h
---- linux-2.6.37/include/linux/sunrpc/auth.h 2011-01-05 21:50:33.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/sunrpc/auth.h 2010-11-23 02:09:41.000000000 +0100
-@@ -25,6 +25,7 @@
+diff -NurpP --minimal linux-4.4.111/include/linux/sunrpc/auth.h linux-4.4.111-vs2.3.9.5/include/linux/sunrpc/auth.h
+--- linux-4.4.111/include/linux/sunrpc/auth.h 2016-07-05 04:12:37.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/sunrpc/auth.h 2018-01-09 16:36:32.000000000 +0000
+@@ -40,6 +40,7 @@ enum {
struct auth_cred {
- uid_t uid;
- gid_t gid;
-+ tag_t tag;
+ kuid_t uid;
+ kgid_t gid;
++ ktag_t tag;
struct group_info *group_info;
- unsigned char machine_cred : 1;
- };
-diff -NurpP --minimal linux-2.6.37/include/linux/sunrpc/clnt.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/sunrpc/clnt.h
---- linux-2.6.37/include/linux/sunrpc/clnt.h 2011-01-05 21:50:33.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/sunrpc/clnt.h 2010-11-23 02:09:41.000000000 +0100
-@@ -49,7 +49,8 @@ struct rpc_clnt {
- unsigned int cl_softrtry : 1,/* soft timeouts */
+ const char *principal;
+ unsigned long ac_flags;
+diff -NurpP --minimal linux-4.4.111/include/linux/sunrpc/clnt.h linux-4.4.111-vs2.3.9.5/include/linux/sunrpc/clnt.h
+--- linux-4.4.111/include/linux/sunrpc/clnt.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/sunrpc/clnt.h 2018-01-09 16:36:32.000000000 +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 */
struct rpc_rtt * cl_rtt; /* RTO estimator data */
const struct rpc_timeout *cl_timeout; /* Timeout strategy */
-diff -NurpP --minimal linux-2.6.37/include/linux/syscalls.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/syscalls.h
---- linux-2.6.37/include/linux/syscalls.h 2011-01-05 21:50:34.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/syscalls.h 2010-11-23 02:09:41.000000000 +0100
-@@ -478,6 +478,8 @@ 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-2.6.37/include/linux/sysctl.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/sysctl.h
---- linux-2.6.37/include/linux/sysctl.h 2010-08-02 16:52:56.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/sysctl.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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
+diff -NurpP --minimal linux-4.4.111/include/linux/types.h linux-4.4.111-vs2.3.9.5/include/linux/types.h
+--- linux-4.4.111/include/linux/types.h 2016-07-05 04:15:11.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/types.h 2018-01-09 16:36:32.000000000 +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;
- 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 */
+ typedef unsigned long uintptr_t;
- KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
- KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
-diff -NurpP --minimal linux-2.6.37/include/linux/sysfs.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/sysfs.h
---- linux-2.6.37/include/linux/sysfs.h 2011-01-05 21:50:34.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/sysfs.h 2010-11-23 02:09:41.000000000 +0100
-@@ -19,6 +19,8 @@
- #include <linux/kobject_ns.h>
- #include <asm/atomic.h>
-
-+#define SYSFS_SUPER_MAGIC 0x62656572
-+
- struct kobject;
- struct module;
- enum kobj_ns_type;
-diff -NurpP --minimal linux-2.6.37/include/linux/time.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/time.h
---- linux-2.6.37/include/linux/time.h 2010-10-21 13:07:55.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/time.h 2010-11-23 02:09:41.000000000 +0100
-@@ -252,6 +252,9 @@ 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;
+diff -NurpP --minimal linux-4.4.111/include/linux/uidgid.h linux-4.4.111-vs2.3.9.5/include/linux/uidgid.h
+--- linux-4.4.111/include/linux/uidgid.h 2015-07-06 20:41:43.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/uidgid.h 2018-01-09 16:36:32.000000000 +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 }
+
+ #ifdef CONFIG_MULTIUSER
+ static inline uid_t __kuid_val(kuid_t uid)
+@@ -51,11 +55,18 @@ static inline gid_t __kgid_val(kgid_t gi
}
+ #endif
+
++static inline vtag_t __ktag_val(ktag_t tag)
++{
++ return tag.val;
++}
+
-+#include <linux/vs_time.h>
+ #define GLOBAL_ROOT_UID KUIDT_INIT(0)
+ #define GLOBAL_ROOT_GID KGIDT_INIT(0)
++#define GLOBAL_ROOT_TAG KTAGT_INIT(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)
+ {
+@@ -67,6 +78,11 @@ static inline bool gid_eq(kgid_t left, k
+ return __kgid_val(left) == __kgid_val(right);
+ }
+
++static inline bool tag_eq(ktag_t left, ktag_t right)
++{
++ return __ktag_val(left) == __ktag_val(right);
++}
+
- #endif /* __KERNEL__ */
+ static inline bool uid_gt(kuid_t left, kuid_t right)
+ {
+ return __kuid_val(left) > __kuid_val(right);
+@@ -117,13 +133,21 @@ static inline bool gid_valid(kgid_t gid)
+ return __kgid_val(gid) != (gid_t) -1;
+ }
- #define NFDBITS __NFDBITS
-diff -NurpP --minimal linux-2.6.37/include/linux/types.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/types.h
---- linux-2.6.37/include/linux/types.h 2011-01-05 21:50:34.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/types.h 2010-11-23 02:09:41.000000000 +0100
-@@ -40,6 +40,9 @@ 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;
++static inline bool tag_valid(ktag_t tag)
++{
++ return !tag_eq(tag, INVALID_TAG);
++}
++
+ #ifdef CONFIG_USER_NS
- typedef unsigned long uintptr_t;
+ 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);
+
+@@ -149,6 +173,11 @@ 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);
++}
++
+ static inline uid_t from_kuid(struct user_namespace *to, kuid_t kuid)
+ {
+ return __kuid_val(kuid);
+@@ -159,6 +188,11 @@ static inline gid_t from_kgid(struct use
+ return __kgid_val(kgid);
+ }
-diff -NurpP --minimal linux-2.6.37/include/linux/vroot.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vroot.h
---- linux-2.6.37/include/linux/vroot.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vroot.h 2010-11-23 02:09:41.000000000 +0100
++static inline vtag_t from_ktag(struct user_namespace *to, ktag_t ktag)
++{
++ return __ktag_val(ktag);
++}
++
+ 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-4.4.111/include/linux/vroot.h linux-4.4.111-vs2.3.9.5/include/linux/vroot.h
+--- linux-4.4.111/include/linux/vroot.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vroot.h 2018-01-09 16:36:32.000000000 +0000
@@ -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
++ * written by Herbert P?tzl, 9/11/2002
++ * ported to 2.6 by Herbert P?tzl, 30/12/2004
+ *
-+ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Copyright (C) 2002-2007 by Herbert P?tzl.
+ * Redistribution of this file is permitted under the
+ * GNU General Public License.
+ */
+#define VROOT_CLR_DEV 0x5601
+
+#endif /* _LINUX_VROOT_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_base.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_base.h
---- linux-2.6.37/include/linux/vs_base.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_base.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_base.h linux-4.4.111-vs2.3.9.5/include/linux/vs_base.h
+--- linux-4.4.111/include/linux/vs_base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_base.h 2018-01-09 16:36:32.000000000 +0000
@@ -0,0 +1,10 @@
+#ifndef _VS_BASE_H
+#define _VS_BASE_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_context.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_context.h
---- linux-2.6.37/include/linux/vs_context.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_context.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_context.h linux-4.4.111-vs2.3.9.5/include/linux/vs_context.h
+--- linux-4.4.111/include/linux/vs_context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_context.h 2018-01-09 16:36:32.000000000 +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)
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_cowbl.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_cowbl.h
---- linux-2.6.37/include/linux/vs_cowbl.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_cowbl.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_cowbl.h linux-4.4.111-vs2.3.9.5/include/linux/vs_cowbl.h
+--- linux-4.4.111/include/linux/vs_cowbl.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_cowbl.h 2018-01-09 16:36:32.000000000 +0000
@@ -0,0 +1,48 @@
+#ifndef _VS_COWBL_H
+#define _VS_COWBL_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_cvirt.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_cvirt.h
---- linux-2.6.37/include/linux/vs_cvirt.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_cvirt.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_cvirt.h linux-4.4.111-vs2.3.9.5/include/linux/vs_cvirt.h
+--- linux-4.4.111/include/linux/vs_cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_cvirt.h 2018-01-09 16:36:32.000000000 +0000
@@ -0,0 +1,50 @@
+#ifndef _VS_CVIRT_H
+#define _VS_CVIRT_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_device.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_device.h
---- linux-2.6.37/include/linux/vs_device.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_device.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_device.h linux-4.4.111-vs2.3.9.5/include/linux/vs_device.h
+--- linux-4.4.111/include/linux/vs_device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_device.h 2018-01-09 16:36:32.000000000 +0000
@@ -0,0 +1,45 @@
+#ifndef _VS_DEVICE_H
+#define _VS_DEVICE_H
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_dlimit.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_dlimit.h
---- linux-2.6.37/include/linux/vs_dlimit.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_dlimit.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_dlimit.h linux-4.4.111-vs2.3.9.5/include/linux/vs_dlimit.h
+--- linux-4.4.111/include/linux/vs_dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_dlimit.h 2018-01-09 16:36:32.000000000 +0000
@@ -0,0 +1,215 @@
+#ifndef _VS_DLIMIT_H
+#define _VS_DLIMIT_H
+#define __dlimit_char(d) ((d) ? '*' : ' ')
+
+static inline int __dl_alloc_space(struct super_block *sb,
-+ tag_t tag, dlsize_t nr, const char *file, int line)
++ vtag_t tag, dlsize_t nr, const char *file, int line)
+{
+ struct dl_info *dli = NULL;
+ int ret = 0;
+}
+
+static inline void __dl_free_space(struct super_block *sb,
-+ tag_t tag, dlsize_t nr, const char *_file, int _line)
++ vtag_t tag, dlsize_t nr, const char *_file, int _line)
+{
+ struct dl_info *dli = NULL;
+
+}
+
+static inline int __dl_alloc_inode(struct super_block *sb,
-+ tag_t tag, const char *_file, int _line)
++ vtag_t tag, const char *_file, int _line)
+{
+ struct dl_info *dli;
+ int ret = 0;
+}
+
+static inline void __dl_free_inode(struct super_block *sb,
-+ tag_t tag, const char *_file, int _line)
++ vtag_t tag, const char *_file, int _line)
+{
+ struct dl_info *dli;
+
+ sb, tag, __dlimit_char(dli), _file, _line);
+}
+
-+static inline void __dl_adjust_block(struct super_block *sb, tag_t tag,
++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)
+{
+}
+
+#define dl_prealloc_space(in, bytes) \
-+ __dl_alloc_space((in)->i_sb, (in)->i_tag, (dlsize_t)(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, (in)->i_tag, (dlsize_t)(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, (in)->i_tag, (dlsize_t)(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, (in)->i_tag, (dlsize_t)(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, (in)->i_tag, (dlsize_t)(bytes), \
++ __dl_free_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
+ __FILE__, __LINE__ )
+
+
+
+#define dl_alloc_inode(in) \
-+ __dl_alloc_inode((in)->i_sb, (in)->i_tag, __FILE__, __LINE__ )
++ __dl_alloc_inode((in)->i_sb, i_tag_read(in), __FILE__, __LINE__ )
+
+#define dl_free_inode(in) \
-+ __dl_free_inode((in)->i_sb, (in)->i_tag, __FILE__, __LINE__ )
++ __dl_free_inode((in)->i_sb, i_tag_read(in), __FILE__, __LINE__ )
+
+
+#define dl_adjust_block(sb, tag, fb, rb) \
+#else
+#warning duplicate inclusion
+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/base.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/base.h
---- linux-2.6.37/include/linux/vserver/base.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/base.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,170 @@
-+#ifndef _VX_BASE_H
-+#define _VX_BASE_H
-+
-+
-+/* context state changes */
-+
-+enum {
-+ VSC_STARTUP = 1,
-+ VSC_SHUTDOWN,
-+
-+ VSC_NETUP,
-+ VSC_NETDOWN,
-+};
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_inet.h linux-4.4.111-vs2.3.9.5/include/linux/vs_inet.h
+--- linux-4.4.111/include/linux/vs_inet.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_inet.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,364 @@
++#ifndef _VS_INET_H
++#define _VS_INET_H
+
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
+
++#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
+
-+#define vx_task_xid(t) ((t)->xid)
++#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 vx_current_xid() vx_task_xid(current)
++#define NIPQUAD(addr) \
++ ((unsigned char *)&addr)[0], \
++ ((unsigned char *)&addr)[1], \
++ ((unsigned char *)&addr)[2], \
++ ((unsigned char *)&addr)[3]
+
-+#define current_vx_info() (current->vx_info)
++#define NIPQUAD_FMT "%u.%u.%u.%u"
+
+
-+#define nx_task_nid(t) ((t)->nid)
++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 nx_current_nid() nx_task_nid(current)
++ 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;
++ }
+
-+#define current_nx_info() (current->nx_info)
++ 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;
++ unsigned long irqflags;
++ int ret = 1;
+
-+/* generic flag merging */
++ if (!nxi)
++ goto out;
+
-+#define vs_check_flags(v, m, f) (((v) & (m)) ^ (f))
++ 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;
+
-+#define vs_mask_flags(v, f, m) (((v) & ~(m)) | ((f) & (m)))
++ /* 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;
++}
+
-+#define vs_mask_mask(v, f, m) (((v) & ~(m)) | ((v) & (f) & (m)))
++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 vs_check_bit(v, n) ((v) & (1LL << (n)))
++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;
++}
+
-+/* context flags */
++#include <net/inet_sock.h>
+
-+#define __vx_flags(v) ((v) ? (v)->vx_flags : 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->inet_rcv_saddr;
++ __be32 bcast = nxi ? nxi->v4_bcast.s_addr : INADDR_BROADCAST;
+
-+#define vx_current_flags() __vx_flags(current_vx_info())
++ if (addr && (saddr == addr || bcast == addr))
++ return 1;
++ if (!saddr)
++ return v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND);
++ return 0;
++}
+
-+#define vx_info_flags(v, m, f) \
-+ vs_check_flags(__vx_flags(v), m, f)
+
-+#define task_vx_flags(t, m, f) \
-+ ((t) && vx_info_flags((t)->vx_info, m, f))
++/* inet related checks and helpers */
+
-+#define vx_flags(m, f) vx_info_flags(current_vx_info(), m, f)
+
++struct in_ifaddr;
++struct net_device;
++struct sock;
+
-+/* context caps */
++#ifdef CONFIG_INET
+
-+#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0)
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_sock.h>
++#include <net/inet_timewait_sock.h>
+
-+#define vx_current_ccaps() __vx_ccaps(current_vx_info())
+
-+#define vx_info_ccaps(v, c) (__vx_ccaps(v) & (c))
++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 *);
+
-+#define vx_ccaps(c) vx_info_ccaps(current_vx_info(), (c))
+
++/*
++ * 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 nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = sk->sk_rcv_saddr;
+
-+/* network flags */
++ 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));
+
-+#define __nx_flags(n) ((n) ? (n)->nx_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;
++ }
++}
+
-+#define nx_current_flags() __nx_flags(current_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))
++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 " VS_Q("%s") ") %d",
++ nxi, nxi ? nxi->nx_id : 0, dev, dev->name,
++ nxi ? dev_in_nx_info(dev, nxi) : 0);
+
-+#define nx_flags(m, f) nx_info_flags(current_nx_info(), m, f)
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (dev_in_nx_info(dev, nxi))
++ return 1;
++ return 0;
++}
+
+
-+/* network caps */
++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 __nx_ncaps(n) ((n) ? (n)->nx_ncaps : 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);
+
-+#define nx_current_ncaps() __nx_ncaps(current_nx_info())
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v4_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
+
-+#define nx_info_ncaps(n, c) (__nx_ncaps(n) & (c))
+
-+#define nx_ncaps(c) nx_info_ncaps(current_nx_info(), c)
++struct nx_v4_sock_addr {
++ __be32 saddr; /* Address used for validation */
++ __be32 baddr; /* Address used for socket bind */
++};
+
++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;
+
-+/* context mask capabilities */
++ 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));
+
-+#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 )
++ 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 vx_info_mcaps(v, c) (__vx_mcaps(v) & (c))
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p) " NIPQUAD_FMT ", " NIPQUAD_FMT,
++ sk, NIPQUAD(saddr), NIPQUAD(baddr));
+
-+#define vx_mcaps(c) vx_info_mcaps(current_vx_info(), c)
++ 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;
++}
+
-+/* context bcap mask */
+
-+#define __vx_bcaps(v) ((v)->vx_bcaps)
++/*
++ * 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;
++}
+
-+#define vx_current_bcaps() __vx_bcaps(current_vx_info())
++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;
++}
+
-+/* mask given bcaps */
++#else /* CONFIG_INET */
+
-+#define vx_info_mbcaps(v, c) ((v) ? cap_intersect(__vx_bcaps(v), c) : c)
++static inline
++int nx_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
+
-+#define vx_mbcaps(c) vx_info_mbcaps(current_vx_info(), c)
-+
-+
-+/* masked cap_bset */
++static inline
++int nx_v4_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
+
-+#define vx_info_cap_bset(v) vx_info_mbcaps(v, current->cap_bset)
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
+
-+#define vx_current_cap_bset() vx_info_cap_bset(current_vx_info())
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ return 0;
++}
+
-+#if 0
-+#define vx_info_mbcap(v, b) \
-+ (!vx_info_flags(v, VXF_STATE_SETUP, 0) ? \
-+ vx_info_bcaps(v, b) : (b))
++#endif /* CONFIG_INET */
+
-+#define task_vx_mbcap(t, b) \
-+ vx_info_mbcap((t)->vx_info, (t)->b)
++#define current_nx_info_has_v4() \
++ nx_info_has_v4(current_nx_info())
+
-+#define vx_mbcap(b) task_vx_mbcap(current, b)
++#else
++// #warning duplicate inclusion
+#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_inet6.h linux-4.4.111-vs2.3.9.5/include/linux/vs_inet6.h
+--- linux-4.4.111/include/linux/vs_inet6.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_inet6.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,257 @@
++#ifndef _VS_INET6_H
++#define _VS_INET6_H
+
-+#define vx_cap_raised(v, c, f) cap_raised(vx_info_mbcaps(v, c), f)
-+
-+#define vx_capable(b, c) (capable(b) || \
-+ (cap_raised(current_cap(), b) && vx_ccaps(c)))
-+
-+#define nx_capable(b, c) (capable(b) || \
-+ (cap_raised(current_cap(), b) && nx_ncaps(c)))
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
+
-+#define vx_task_initpid(t, n) \
-+ ((t)->vx_info && \
-+ ((t)->vx_info->vx_initpid == (n)))
++#include <net/ipv6.h>
+
-+#define vx_current_initpid(n) vx_task_initpid(current, n)
++#define NXAV6(a) &(a)->ip, &(a)->mask, (a)->prefix, (a)->type
++#define NXAV6_FMT "[%pI6/%pI6/%d:%04x]"
+
+
-+/* context unshare mask */
++#ifdef CONFIG_IPV6
+
-+#define __vx_umask(v) ((v)->vx_umask)
++static inline
++int v6_addr_match(struct nx_addr_v6 *nxa,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ int ret = 0;
+
-+#define vx_current_umask() __vx_umask(current_vx_info())
++ 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 vx_can_unshare(b, f) (capable(b) || \
-+ (cap_raised(current_cap(), b) && \
-+ !((f) & ~vx_current_umask())))
++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;
+
++ if (!nxi)
++ goto out;
+
-+#define __vx_state(v) ((v) ? ((v)->vx_state) : 0)
++ 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;
++}
+
-+#define vx_info_state(v, m) (__vx_state(v) & (m))
++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;
++ unsigned long irqflags;
++ int ret = 1;
+
-+#define __nx_state(n) ((n) ? ((n)->nx_state) : 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 nx_info_state(n, m) (__nx_state(n) & (m))
+
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/cacct_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cacct_cmd.h
---- linux-2.6.37/include/linux/vserver/cacct_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cacct_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,23 @@
-+#ifndef _VX_CACCT_CMD_H
-+#define _VX_CACCT_CMD_H
++/*
++ * 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);
+
++ 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;
++}
+
-+/* virtual host info name commands */
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
+
-+#define VCMD_sock_stat VC_CMD(VSTAT, 5, 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);
+
-+struct vcmd_sock_stat_v0 {
-+ uint32_t field;
-+ uint32_t count[3];
-+ uint64_t total[3];
-+};
++ 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));
+
++ 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;
++ }
++}
+
-+#ifdef __KERNEL__
+
-+#include <linux/compiler.h>
++/* inet related checks and helpers */
+
-+extern int vc_sock_stat(struct vx_info *, void __user *);
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CACCT_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/cacct_def.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cacct_def.h
---- linux-2.6.37/include/linux/vserver/cacct_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cacct_def.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,43 @@
-+#ifndef _VX_CACCT_DEF_H
-+#define _VX_CACCT_DEF_H
++struct in_ifaddr;
++struct net_device;
++struct sock;
+
-+#include <asm/atomic.h>
-+#include <linux/vserver/cacct.h>
+
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_timewait_sock.h>
+
-+struct _vx_sock_acc {
-+ atomic_long_t count;
-+ atomic_long_t total;
-+};
+
-+/* context sub struct */
++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 *);
+
-+struct _vx_cacct {
-+ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3];
-+ atomic_t slab[8];
-+ atomic_t page[6][8];
-+};
+
-+#ifdef CONFIG_VSERVER_DEBUG
+
-+static inline void __dump_vx_cacct(struct _vx_cacct *cacct)
++static inline
++int v6_ifa_in_nx_info(struct inet6_ifaddr *ifa, struct nx_info *nxi)
+{
-+ int i, j;
-+
-+ printk("\t_vx_cacct:");
-+ for (i = 0; i < 6; i++) {
-+ struct _vx_sock_acc *ptr = cacct->sock[i];
-+
-+ 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");
-+ }
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v6_addr_in_nx_info(nxi, &ifa->addr, -1);
+}
+
-+#endif
++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);
+
-+#endif /* _VX_CACCT_DEF_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/cacct.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cacct.h
---- linux-2.6.37/include/linux/vserver/cacct.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cacct.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,15 @@
-+#ifndef _VX_CACCT_H
-+#define _VX_CACCT_H
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v6_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
+
+
-+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 */
++struct nx_v6_sock_addr {
++ struct in6_addr saddr; /* Address used for validation */
++ struct in6_addr baddr; /* Address used for socket bind */
+};
+
-+#endif /* _VX_CACCT_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/cacct_int.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cacct_int.h
---- linux-2.6.37/include/linux/vserver/cacct_int.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cacct_int.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,21 @@
-+#ifndef _VX_CACCT_INT_H
-+#define _VX_CACCT_INT_H
-+
-+
-+#ifdef __KERNEL__
-+
+static inline
-+unsigned long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
++int v6_map_sock_addr(struct inet_sock *inet, struct sockaddr_in6 *addr,
++ struct nx_v6_sock_addr *nsa)
+{
-+ return atomic_long_read(&cacct->sock[type][pos].count);
-+}
-+
-+
++ // 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;
++
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
++
+static inline
-+unsigned long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
++void v6_set_sock_addr(struct inet_sock *inet, struct nx_v6_sock_addr *nsa)
+{
-+ return atomic_long_read(&cacct->sock[type][pos].total);
-+}
++ // struct sock *sk = &inet->sk;
++ // struct in6_addr *saddr = inet6_rcv_saddr(sk);
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CACCT_INT_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/check.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/check.h
---- linux-2.6.37/include/linux/vserver/check.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/check.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,89 @@
-+#ifndef _VS_CHECK_H
-+#define _VS_CHECK_H
++ // *saddr = nsa->baddr;
++ // inet->inet_saddr = nsa->baddr;
++}
+
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV6(nxi))
++ return 1;
++ return 0;
++}
+
-+#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
++#else /* CONFIG_IPV6 */
+
-+#ifdef CONFIG_VSERVER_DYNAMIC_IDS
-+#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
-+#else
-+#define MIN_D_CONTEXT 65536
-+#endif
++static inline
++int nx_v6_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
+
-+/* check conditions */
+
-+#define VS_ADMIN 0x0001
-+#define VS_WATCH 0x0002
-+#define VS_HIDE 0x0004
-+#define VS_HOSTID 0x0008
++static inline
++int nx_v6_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
+
-+#define VS_IDENT 0x0010
-+#define VS_EQUIV 0x0020
-+#define VS_PARENT 0x0040
-+#define VS_CHILD 0x0080
++static inline
++int v6_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
+
-+#define VS_ARG_MASK 0x00F0
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ return 0;
++}
+
-+#define VS_DYNAMIC 0x0100
-+#define VS_STATIC 0x0200
++#endif /* CONFIG_IPV6 */
+
-+#define VS_ATR_MASK 0x0F00
++#define current_nx_info_has_v6() \
++ nx_info_has_v6(current_nx_info())
+
-+#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
++#warning duplicate inclusion
+#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_limit.h linux-4.4.111-vs2.3.9.5/include/linux/vs_limit.h
+--- linux-4.4.111/include/linux/vs_limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_limit.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,140 @@
++#ifndef _VS_LIMIT_H
++#define _VS_LIMIT_H
+
-+#define VS_HARDIRQ 0x1000
-+#define VS_SOFTIRQ 0x2000
-+#define VS_IRQ 0x4000
-+
-+#define VS_IRQ_MASK 0xF000
++#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"
+
-+#include <linux/hardirq.h>
+
-+/*
-+ * 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_acc_cres(v, d, p, r) \
++ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
+
-+#define vx_check(c, m) __vs_check(vx_current_xid(), c, (m) | VS_IRQ)
++#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_weak_check(c, m) ((m) ? vx_check(c, m) : 1)
+
++#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 nx_check(c, m) __vs_check(nx_current_nid(), c, m)
++#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 nx_weak_check(c, m) ((m) ? nx_check(c, m) : 1)
+
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/context_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/context_cmd.h
---- linux-2.6.37/include/linux/vserver/context_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/context_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,145 @@
-+#ifndef _VX_CONTEXT_CMD_H
-+#define _VX_CONTEXT_CMD_H
++/* process and file limits */
+
++#define vx_nproc_inc(p) \
++ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
+
-+/* vinfo commands */
++#define vx_nproc_dec(p) \
++ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
+
-+#define VCMD_task_xid VC_CMD(VINFO, 1, 0)
++#define vx_files_inc(f) \
++ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
+
-+#ifdef __KERNEL__
-+extern int vc_task_xid(uint32_t);
++#define vx_files_dec(f) \
++ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
+
-+#endif /* __KERNEL__ */
++#define vx_locks_inc(l) \
++ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
+
-+#define VCMD_vx_info VC_CMD(VINFO, 5, 0)
++#define vx_locks_dec(l) \
++ vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
+
-+struct vcmd_vx_info_v0 {
-+ uint32_t xid;
-+ uint32_t initpid;
-+ /* more to come */
-+};
++#define vx_openfd_inc(f) \
++ vx_acc_cres(current_vx_info(), 1, (void *)(long)(f), VLIMIT_OPENFD)
+
-+#ifdef __KERNEL__
-+extern int vc_vx_info(struct vx_info *, void __user *);
++#define vx_openfd_dec(f) \
++ vx_acc_cres(current_vx_info(),-1, (void *)(long)(f), VLIMIT_OPENFD)
+
-+#endif /* __KERNEL__ */
+
-+#define VCMD_ctx_stat VC_CMD(VSTAT, 0, 0)
++#define vx_cres_avail(v, n, r) \
++ __vx_cres_avail(v, r, n, __FILE__, __LINE__)
+
-+struct vcmd_ctx_stat_v0 {
-+ uint32_t usecnt;
-+ uint32_t tasks;
-+ /* more to come */
-+};
+
-+#ifdef __KERNEL__
-+extern int vc_ctx_stat(struct vx_info *, void __user *);
++#define vx_nproc_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NPROC)
+
-+#endif /* __KERNEL__ */
++#define vx_files_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NOFILE)
+
-+/* context commands */
++#define vx_locks_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_LOCKS)
+
-+#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0)
-+#define VCMD_ctx_create VC_CMD(VPROC, 1, 1)
++#define vx_openfd_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_OPENFD)
+
-+struct vcmd_ctx_create {
-+ uint64_t flagword;
-+};
+
-+#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0)
-+#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1)
++/* dentry limits */
+
-+struct vcmd_ctx_migrate {
-+ uint64_t flagword;
-+};
++#define vx_dentry_inc(d) do { \
++ if (d_count(d) == 1) \
++ vx_acc_cres(current_vx_info(), 1, d, VLIMIT_DENTRY); \
++ } while (0)
+
-+#ifdef __KERNEL__
-+extern int vc_ctx_create(uint32_t, void __user *);
-+extern int vc_ctx_migrate(struct vx_info *, void __user *);
++#define vx_dentry_dec(d) do { \
++ if (d_count(d) == 0) \
++ vx_acc_cres(current_vx_info(),-1, d, VLIMIT_DENTRY); \
++ } while (0)
+
-+#endif /* __KERNEL__ */
++#define vx_dentry_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_DENTRY)
+
+
-+/* flag commands */
++/* socket limits */
+
-+#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
-+#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
++#define vx_sock_inc(s) \
++ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
+
-+struct vcmd_ctx_flags_v0 {
-+ uint64_t flagword;
-+ uint64_t mask;
-+};
++#define vx_sock_dec(s) \
++ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
+
-+#ifdef __KERNEL__
-+extern int vc_get_cflags(struct vx_info *, void __user *);
-+extern int vc_set_cflags(struct vx_info *, void __user *);
++#define vx_sock_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_NSOCK)
+
-+#endif /* __KERNEL__ */
+
++/* ipc resource limits */
+
-+/* context caps commands */
++#define vx_ipcmsg_add(v, u, a) \
++ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
+
-+#define VCMD_get_ccaps VC_CMD(FLAGS, 3, 1)
-+#define VCMD_set_ccaps VC_CMD(FLAGS, 4, 1)
++#define vx_ipcmsg_sub(v, u, a) \
++ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
+
-+struct vcmd_ctx_caps_v1 {
-+ uint64_t ccaps;
-+ uint64_t cmask;
-+};
++#define vx_ipcmsg_avail(v, a) \
++ vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
+
-+#ifdef __KERNEL__
-+extern int vc_get_ccaps(struct vx_info *, void __user *);
-+extern int vc_set_ccaps(struct vx_info *, void __user *);
+
-+#endif /* __KERNEL__ */
++#define vx_ipcshm_add(v, k, a) \
++ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
+
++#define vx_ipcshm_sub(v, k, a) \
++ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
+
-+/* bcaps commands */
++#define vx_ipcshm_avail(v, a) \
++ vx_cres_avail(v, a, VLIMIT_SHMEM)
+
-+#define VCMD_get_bcaps VC_CMD(FLAGS, 9, 0)
-+#define VCMD_set_bcaps VC_CMD(FLAGS, 10, 0)
+
-+struct vcmd_bcaps {
-+ uint64_t bcaps;
-+ uint64_t bmask;
-+};
++#define vx_semary_inc(a) \
++ vx_acc_cres(current_vx_info(), 1, a, VLIMIT_SEMARY)
+
-+#ifdef __KERNEL__
-+extern int vc_get_bcaps(struct vx_info *, void __user *);
-+extern int vc_set_bcaps(struct vx_info *, void __user *);
++#define vx_semary_dec(a) \
++ vx_acc_cres(current_vx_info(), -1, a, VLIMIT_SEMARY)
+
-+#endif /* __KERNEL__ */
+
++#define vx_nsems_add(a,n) \
++ vx_add_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
+
-+/* umask commands */
++#define vx_nsems_sub(a,n) \
++ vx_sub_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
+
-+#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;
-+};
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_network.h linux-4.4.111-vs2.3.9.5/include/linux/vs_network.h
+--- linux-4.4.111/include/linux/vs_network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_network.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,169 @@
++#ifndef _NX_VS_NETWORK_H
++#define _NX_VS_NETWORK_H
+
-+#ifdef __KERNEL__
-+extern int vc_get_umask(struct vx_info *, void __user *);
-+extern int vc_set_umask(struct vx_info *, void __user *);
++#include "vserver/context.h"
++#include "vserver/network.h"
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
+
-+#endif /* __KERNEL__ */
++#include <linux/sched.h>
+
+
-+/* OOM badness */
++#define get_nx_info(i) __get_nx_info(i, __FILE__, __LINE__)
+
-+#define VCMD_get_badness VC_CMD(MEMCTRL, 5, 0)
-+#define VCMD_set_badness VC_CMD(MEMCTRL, 6, 0)
++static inline struct nx_info *__get_nx_info(struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (!nxi)
++ return NULL;
+
-+struct vcmd_badness_v0 {
-+ int64_t bias;
-+};
++ 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 __KERNEL__
-+extern int vc_get_badness(struct vx_info *, void __user *);
-+extern int vc_set_badness(struct vx_info *, void __user *);
++ atomic_inc(&nxi->nx_usecnt);
++ return nxi;
++}
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CONTEXT_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/context.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/context.h
---- linux-2.6.37/include/linux/vserver/context.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/context.h 2011-01-31 21:05:40.000000000 +0100
-@@ -0,0 +1,190 @@
-+#ifndef _VX_CONTEXT_H
-+#define _VX_CONTEXT_H
+
-+#include <linux/types.h>
-+#include <linux/capability.h>
++extern void free_nx_info(struct nx_info *);
+
++#define put_nx_info(i) __put_nx_info(i, __FILE__, __LINE__)
+
-+/* context flags */
++static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line)
++{
++ if (!nxi)
++ return;
+
-+#define VXF_INFO_SCHED 0x00000002
-+#define VXF_INFO_NPROC 0x00000004
-+#define VXF_INFO_PRIVATE 0x00000008
++ 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);
+
-+#define VXF_INFO_INIT 0x00000010
-+#define VXF_INFO_HIDE 0x00000020
-+#define VXF_INFO_ULIMIT 0x00000040
-+#define VXF_INFO_NSPACE 0x00000080
++ if (atomic_dec_and_test(&nxi->nx_usecnt))
++ free_nx_info(nxi);
++}
+
-+#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
++#define init_nx_info(p, i) __init_nx_info(p, i, __FILE__, __LINE__)
+
-+#define VXF_HIDE_MOUNT 0x01000000
-+/* was VXF_HIDE_NETIF 0x02000000 */
-+#define VXF_HIDE_VINFO 0x04000000
++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);
+
-+#define VXF_STATE_SETUP (1ULL << 32)
-+#define VXF_STATE_INIT (1ULL << 33)
-+#define VXF_STATE_ADMIN (1ULL << 34)
++ atomic_inc(&nxi->nx_usecnt);
++ }
++ *nxp = nxi;
++}
+
-+#define VXF_SC_HELPER (1ULL << 36)
-+#define VXF_REBOOT_KILL (1ULL << 37)
-+#define VXF_PERSISTENT (1ULL << 38)
+
-+#define VXF_FORK_RSS (1ULL << 48)
-+#define VXF_PROLIFIC (1ULL << 49)
++#define set_nx_info(p, i) __set_nx_info(p, i, __FILE__, __LINE__)
+
-+#define VXF_IGNEG_NICE (1ULL << 52)
++static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
+
-+#define VXF_ONE_TIME (0x0007ULL << 32)
++ if (!nxi)
++ return;
+
-+#define VXF_INIT_SET (VXF_STATE_SETUP | VXF_STATE_INIT | VXF_STATE_ADMIN)
++ 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);
+
++ atomic_inc(&nxi->nx_usecnt);
++ nxo = xchg(nxp, nxi);
++ BUG_ON(nxo);
++}
+
-+/* context migration */
++#define clr_nx_info(p) __clr_nx_info(p, __FILE__, __LINE__)
+
-+#define VXM_SET_INIT 0x00000001
-+#define VXM_SET_REAPER 0x00000002
++static inline void __clr_nx_info(struct nx_info **nxp,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
+
-+/* context caps */
++ nxo = xchg(nxp, NULL);
++ if (!nxo)
++ return;
+
-+#define VXC_CAP_MASK 0x00000000
++ 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 VXC_SET_UTSNAME 0x00000001
-+#define VXC_SET_RLIMIT 0x00000002
-+#define VXC_FS_SECURITY 0x00000004
-+#define VXC_FS_TRUSTED 0x00000008
-+#define VXC_TIOCSTI 0x00000010
++ if (atomic_dec_and_test(&nxo->nx_usecnt))
++ free_nx_info(nxo);
++}
+
-+/* was VXC_RAW_ICMP 0x00000100 */
-+#define VXC_SYSLOG 0x00001000
-+#define VXC_OOM_ADJUST 0x00002000
-+#define VXC_AUDIT_CONTROL 0x00004000
+
-+#define VXC_SECURE_MOUNT 0x00010000
-+#define VXC_SECURE_REMOUNT 0x00020000
-+#define VXC_BINARY_MOUNT 0x00040000
++#define claim_nx_info(v, p) __claim_nx_info(v, p, __FILE__, __LINE__)
+
-+#define VXC_QUOTA_CTL 0x00100000
-+#define VXC_ADMIN_MAPPER 0x00200000
-+#define VXC_ADMIN_CLOOP 0x00400000
++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 VXC_KTHREAD 0x01000000
-+#define VXC_NAMESPACE 0x02000000
++ atomic_inc(&nxi->nx_tasks);
++}
+
+
-+#ifdef __KERNEL__
++extern void unhash_nx_info(struct nx_info *);
+
-+#include <linux/list.h>
-+#include <linux/spinlock.h>
-+#include <linux/rcupdate.h>
++#define release_nx_info(v, p) __release_nx_info(v, p, __FILE__, __LINE__)
+
-+#include "limit_def.h"
-+#include "sched_def.h"
-+#include "cvirt_def.h"
-+#include "cacct_def.h"
-+#include "device_def.h"
++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 VX_SPACES 2
++ might_sleep();
+
-+struct _vx_info_pc {
-+ struct _vx_sched_pc sched_pc;
-+ struct _vx_cvirt_pc cvirt_pc;
-+};
++ if (atomic_dec_and_test(&nxi->nx_tasks))
++ unhash_nx_info(nxi);
++}
+
-+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_real_cred; /* real task credentials */
-+ const struct cred *vx_cred; /* task credentials */
-+};
+
-+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 */
++#define task_get_nx_info(i) __task_get_nx_info(i, __FILE__, __LINE__)
+
-+ struct _vx_space space[VX_SPACES]; /* namespace store */
++static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p,
++ const char *_file, int _line)
++{
++ struct nx_info *nxi;
+
-+ uint64_t vx_flags; /* context flags */
-+ uint64_t vx_ccaps; /* context caps (vserver) */
-+ kernel_cap_t vx_bcaps; /* bounding caps (system) */
-+ unsigned long vx_umask; /* unshare mask (guest) */
++ 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;
++}
+
-+ struct task_struct *vx_reaper; /* guest reaper process */
-+ pid_t vx_initpid; /* PID of guest init */
-+ int64_t vx_badness_bias; /* OOM points bias */
+
-+ 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 */
++static inline void exit_nx_info(struct task_struct *p)
++{
++ if (p->nx_info)
++ release_nx_info(p->nx_info, p);
++}
+
-+ struct _vx_device dmap; /* default device map targets */
+
-+#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 */
-+
-+ char vx_name[65]; /* vserver name */
-+};
-+
-+#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
++#warning duplicate inclusion
+#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_pid.h linux-4.4.111-vs2.3.9.5/include/linux/vs_pid.h
+--- linux-4.4.111/include/linux/vs_pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_pid.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,50 @@
++#ifndef _VS_PID_H
++#define _VS_PID_H
+
-+#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
++#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>
+
+
-+struct vx_info_save {
-+ struct vx_info *vxi;
-+ xid_t xid;
-+};
++#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;
++}
+
-+/* status flags */
++#define find_task_by_real_pid(pid) find_task_by_pid_ns(pid, &init_pid_ns)
+
-+#define VXS_HASHED 0x0001
-+#define VXS_PAUSED 0x0010
-+#define VXS_SHUTDOWN 0x0100
-+#define VXS_HELPER 0x1000
-+#define VXS_RELEASED 0x8000
+
++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);
+
-+extern void claim_vx_info(struct vx_info *, struct task_struct *);
-+extern void release_vx_info(struct vx_info *, struct task_struct *);
++ 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;
++}
+
-+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);
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_sched.h linux-4.4.111-vs2.3.9.5/include/linux/vs_sched.h
+--- linux-4.4.111/include/linux/vs_sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_sched.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _VS_SCHED_H
++#define _VS_SCHED_H
+
-+extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/sched.h"
+
-+extern long vs_state_change(struct vx_info *, unsigned int);
+
++#define MAX_PRIO_BIAS 20
++#define MIN_PRIO_BIAS -20
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CONTEXT_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/cvirt_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cvirt_cmd.h
---- linux-2.6.37/include/linux/vserver/cvirt_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cvirt_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,53 @@
-+#ifndef _VX_CVIRT_CMD_H
-+#define _VX_CVIRT_CMD_H
++static inline
++int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
++{
++ struct vx_info *vxi = p->vx_info;
+
++ if (vxi)
++ prio += vx_cpu(vxi, sched_pc).prio_bias;
++ return prio;
++}
+
-+/* virtual host info name commands */
++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;
++}
+
-+#define VCMD_set_vhi_name VC_CMD(VHOST, 1, 0)
-+#define VCMD_get_vhi_name VC_CMD(VHOST, 2, 0)
++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_vhi_name_v0 {
-+ uint32_t field;
-+ char name[65];
-+};
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_socket.h linux-4.4.111-vs2.3.9.5/include/linux/vs_socket.h
+--- linux-4.4.111/include/linux/vs_socket.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_socket.h 2018-01-09 16:36:32.000000000 +0000
+@@ -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"
+
-+enum vhi_name_field {
-+ VHIN_CONTEXT = 0,
-+ VHIN_SYSNAME,
-+ VHIN_NODENAME,
-+ VHIN_RELEASE,
-+ VHIN_VERSION,
-+ VHIN_MACHINE,
-+ VHIN_DOMAINNAME,
-+};
+
++/* socket accounting */
+
-+#ifdef __KERNEL__
++#include <linux/socket.h>
+
-+#include <linux/compiler.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;
++ }
++}
+
-+extern int vc_set_vhi_name(struct vx_info *, void __user *);
-+extern int vc_get_vhi_name(struct vx_info *, void __user *);
++#define vx_acc_sock(v, f, p, s) \
++ __vx_acc_sock(v, f, p, s, __FILE__, __LINE__)
+
-+#endif /* __KERNEL__ */
++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_virt_stat VC_CMD(VSTAT, 3, 0)
++ atomic_long_inc(&vxi->cacct.sock[type][pos].count);
++ atomic_long_add(size, &vxi->cacct.sock[type][pos].total);
++ }
++}
+
-+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_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)
+
-+#ifdef __KERNEL__
-+extern int vc_virt_stat(struct vx_info *, void __user *);
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CVIRT_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/cvirt_def.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cvirt_def.h
---- linux-2.6.37/include/linux/vserver/cvirt_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cvirt_def.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,80 @@
-+#ifndef _VX_CVIRT_DEF_H
-+#define _VX_CVIRT_DEF_H
++#define sock_vx_init(s) do { \
++ (s)->sk_xid = 0; \
++ (s)->sk_vx_info = NULL; \
++ } while (0)
+
-+#include <linux/jiffies.h>
-+#include <linux/spinlock.h>
-+#include <linux/wait.h>
-+#include <linux/time.h>
-+#include <asm/atomic.h>
++#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-4.4.111/include/linux/vs_tag.h linux-4.4.111-vs2.3.9.5/include/linux/vs_tag.h
+--- linux-4.4.111/include/linux/vs_tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_tag.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VS_TAG_H
++#define _VS_TAG_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;
-+};
++#include <linux/vserver/tag.h>
+
-+struct _vx_syslog {
-+ wait_queue_head_t log_wait;
-+ spinlock_t logbuf_lock; /* lock for the log buffer */
++/* check conditions */
+
-+ 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 DX_ADMIN 0x0001
++#define DX_WATCH 0x0002
++#define DX_HOSTID 0x0008
+
-+ char log_buf[1024];
-+};
++#define DX_IDENT 0x0010
+
++#define DX_ARG_MASK 0x0010
+
-+/* 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 */
++#define dx_task_tag(t) ((t)->tag)
+
-+ atomic_t nr_onhold; /* processes on hold */
-+ uint32_t onhold_last; /* jiffies when put on hold */
++#define dx_current_tag() dx_task_tag(current)
+
-+ 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 */
++#define dx_check(c, m) __dx_check(dx_current_tag(), c, m)
+
-+ 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 dx_weak_check(c, m) ((m) ? dx_check(c, m) : 1)
+
-+ atomic_t total_forks; /* number of forks so far */
+
-+ struct _vx_syslog syslog;
-+};
-+
-+struct _vx_cvirt_pc {
-+ struct _vx_usage_stat cpustat;
-+};
-+
-+
-+#ifdef CONFIG_VSERVER_DEBUG
-+
-+static inline void __dump_vx_cvirt(struct _vx_cvirt *cvirt)
++/*
++ * 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)
+{
-+ 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));
++ 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)));
+}
+
-+#endif
++struct inode;
++int dx_permission(const struct inode *inode, int mask);
+
-+#endif /* _VX_CVIRT_DEF_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/cvirt.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cvirt.h
---- linux-2.6.37/include/linux/vserver/cvirt.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/cvirt.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,20 @@
-+#ifndef _VX_CVIRT_H
-+#define _VX_CVIRT_H
+
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vs_time.h linux-4.4.111-vs2.3.9.5/include/linux/vs_time.h
+--- linux-4.4.111/include/linux/vs_time.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vs_time.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VS_TIME_H
++#define _VS_TIME_H
+
-+#ifdef __KERNEL__
+
-+struct timespec;
++/* time faking stuff */
+
-+void vx_vsi_uptime(struct timespec *, struct timespec *);
++#ifdef CONFIG_VSERVER_VTIME
+
++extern void vx_adjust_timespec(struct timespec *ts);
++extern int vx_settimeofday(const struct timespec *ts);
+
-+struct vx_info;
++#else
++#define vx_adjust_timespec(t) do { } while (0)
++#define vx_settimeofday(t) do_settimeofday(t)
++#endif
+
-+void vx_update_load(struct vx_info *);
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/base.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/base.h
+--- linux-4.4.111/include/linux/vserver/base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/base.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,184 @@
++#ifndef _VSERVER_BASE_H
++#define _VSERVER_BASE_H
+
+
-+int vx_do_syslog(int, char __user *, int);
++/* context state changes */
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CVIRT_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/debug_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/debug_cmd.h
---- linux-2.6.37/include/linux/vserver/debug_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/debug_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,58 @@
-+#ifndef _VX_DEBUG_CMD_H
-+#define _VX_DEBUG_CMD_H
++enum {
++ VSC_STARTUP = 1,
++ VSC_SHUTDOWN,
+
++ VSC_NETUP,
++ VSC_NETDOWN,
++};
+
-+/* debug commands */
+
-+#define VCMD_dump_history VC_CMD(DEBUG, 1, 0)
+
-+#define VCMD_read_history VC_CMD(DEBUG, 5, 0)
-+#define VCMD_read_monitor VC_CMD(DEBUG, 6, 0)
++#define vx_task_xid(t) ((t)->xid)
+
-+struct vcmd_read_history_v0 {
-+ uint32_t index;
-+ uint32_t count;
-+ char __user *data;
-+};
++#define vx_current_xid() vx_task_xid(current)
+
-+struct vcmd_read_monitor_v0 {
-+ uint32_t index;
-+ uint32_t count;
-+ char __user *data;
-+};
++#define current_vx_info() (current->vx_info)
+
+
-+#ifdef __KERNEL__
++#define nx_task_nid(t) ((t)->nid)
+
-+#ifdef CONFIG_COMPAT
++#define nx_current_nid() nx_task_nid(current)
+
-+#include <asm/compat.h>
++#define current_nx_info() (current->nx_info)
+
-+struct vcmd_read_history_v0_x32 {
-+ uint32_t index;
-+ uint32_t count;
-+ compat_uptr_t data_ptr;
-+};
+
-+struct vcmd_read_monitor_v0_x32 {
-+ uint32_t index;
-+ uint32_t count;
-+ compat_uptr_t data_ptr;
-+};
++/* generic flag merging */
+
-+#endif /* CONFIG_COMPAT */
++#define vs_check_flags(v, m, f) (((v) & (m)) ^ (f))
+
-+extern int vc_dump_history(uint32_t);
++#define vs_mask_flags(v, f, m) (((v) & ~(m)) | ((f) & (m)))
+
-+extern int vc_read_history(uint32_t, void __user *);
-+extern int vc_read_monitor(uint32_t, void __user *);
++#define vs_mask_mask(v, f, m) (((v) & ~(m)) | ((v) & (f) & (m)))
+
-+#ifdef CONFIG_COMPAT
++#define vs_check_bit(v, n) ((v) & (1LL << (n)))
+
-+extern int vc_read_history_x32(uint32_t, void __user *);
-+extern int vc_read_monitor_x32(uint32_t, void __user *);
+
-+#endif /* CONFIG_COMPAT */
++/* context flags */
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_DEBUG_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/debug.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/debug.h
---- linux-2.6.37/include/linux/vserver/debug.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/debug.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,140 @@
-+#ifndef _VX_DEBUG_H
-+#define _VX_DEBUG_H
++#define __vx_flags(v) ((v) ? (v)->vx_flags : 0)
+
++#define vx_current_flags() __vx_flags(current_vx_info())
+
-+#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 vx_info_flags(v, m, f) \
++ vs_check_flags(__vx_flags(v), m, f)
+
-+#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 task_vx_flags(t, m, f) \
++ ((t) && vx_info_flags((t)->vx_info, m, f))
+
-+#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 vx_flags(m, f) vx_info_flags(current_vx_info(), m, f)
+
-+#define VS_Q(f) VS_Q_LQM f VS_Q_RQM
+
++/* context caps */
+
-+#define vxd_path(p) \
-+ ({ static char _buffer[PATH_MAX]; \
-+ d_path(p, _buffer, sizeof(_buffer)); })
++#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0)
+
-+#define vxd_cond_path(n) \
-+ ((n) ? vxd_path(&(n)->path) : "<null>" )
++#define vx_current_ccaps() __vx_ccaps(current_vx_info())
+
++#define vx_info_ccaps(v, c) (__vx_ccaps(v) & (c))
+
-+#ifdef CONFIG_VSERVER_DEBUG
++#define vx_ccaps(c) vx_info_ccaps(current_vx_info(), (c))
+
-+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;
+
+
-+#define VX_LOGLEVEL "vxD: "
-+#define VX_PROC_FMT "%p: "
-+#define VX_PROCESS current
++/* network flags */
+
-+#define vxdprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_LOGLEVEL VX_PROC_FMT f "\n", \
-+ VX_PROCESS , ##x); \
-+ } while (0)
++#define __nx_flags(n) ((n) ? (n)->nx_flags : 0)
+
-+#define vxlprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
-+ } while (0)
++#define nx_current_flags() __nx_flags(current_nx_info())
+
-+#define vxfprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
-+ } while (0)
++#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))
+
-+struct vx_info;
++#define nx_flags(m, f) nx_info_flags(current_nx_info(), m, f)
+
-+void dump_vx_info(struct vx_info *, int);
-+void dump_vx_info_inactive(int);
+
-+#else /* CONFIG_VSERVER_DEBUG */
++/* network caps */
+
-+#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
++#define __nx_ncaps(n) ((n) ? (n)->nx_ncaps : 0)
+
-+#define vxdprintk(x...) do { } while (0)
-+#define vxlprintk(x...) do { } while (0)
-+#define vxfprintk(x...) do { } while (0)
++#define nx_current_ncaps() __nx_ncaps(current_nx_info())
+
-+#endif /* CONFIG_VSERVER_DEBUG */
++#define nx_info_ncaps(n, c) (__nx_ncaps(n) & (c))
+
++#define nx_ncaps(c) nx_info_ncaps(current_nx_info(), c)
+
-+#ifdef CONFIG_VSERVER_WARN
+
-+#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] "
++/* context mask capabilities */
+
-+#define vxwprintk(c, f, x...) \
-+ do { \
-+ if (c) \
-+ printk(VX_WARNLEVEL f "\n", ##x); \
-+ } while (0)
++#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 )
+
-+#else /* CONFIG_VSERVER_WARN */
++#define vx_info_mcaps(v, c) (__vx_mcaps(v) & (c))
+
-+#define vxwprintk(x...) do { } while (0)
++#define vx_mcaps(c) vx_info_mcaps(current_vx_info(), c)
+
-+#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)
++/* context bcap mask */
+
-+#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
++#define __vx_bcaps(v) ((v)->vx_bcaps)
+
++#define vx_current_bcaps() __vx_bcaps(current_vx_info())
+
-+#endif /* _VX_DEBUG_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/device_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/device_cmd.h
---- linux-2.6.37/include/linux/vserver/device_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/device_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,44 @@
-+#ifndef _VX_DEVICE_CMD_H
-+#define _VX_DEVICE_CMD_H
+
++/* mask given bcaps */
+
-+/* device vserver commands */
++#define vx_info_mbcaps(v, c) ((v) ? cap_intersect(__vx_bcaps(v), c) : c)
+
-+#define VCMD_set_mapping VC_CMD(DEVICE, 1, 0)
-+#define VCMD_unset_mapping VC_CMD(DEVICE, 2, 0)
++#define vx_mbcaps(c) vx_info_mbcaps(current_vx_info(), c)
+
-+struct vcmd_set_mapping_v0 {
-+ const char __user *device;
-+ const char __user *target;
-+ uint32_t flags;
-+};
+
++/* masked cap_bset */
+
-+#ifdef __KERNEL__
++#define vx_info_cap_bset(v) vx_info_mbcaps(v, current->cap_bset)
+
-+#ifdef CONFIG_COMPAT
++#define vx_current_cap_bset() vx_info_cap_bset(current_vx_info())
+
-+#include <asm/compat.h>
++#if 0
++#define vx_info_mbcap(v, b) \
++ (!vx_info_flags(v, VXF_STATE_SETUP, 0) ? \
++ vx_info_bcaps(v, b) : (b))
+
-+struct vcmd_set_mapping_v0_x32 {
-+ compat_uptr_t device_ptr;
-+ compat_uptr_t target_ptr;
-+ uint32_t flags;
-+};
++#define task_vx_mbcap(t, b) \
++ vx_info_mbcap((t)->vx_info, (t)->b)
+
-+#endif /* CONFIG_COMPAT */
++#define vx_mbcap(b) task_vx_mbcap(current, b)
++#endif
+
-+#include <linux/compiler.h>
-+
-+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_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_DEVICE_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/device_def.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/device_def.h
---- linux-2.6.37/include/linux/vserver/device_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/device_def.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,17 @@
-+#ifndef _VX_DEVICE_DEF_H
-+#define _VX_DEVICE_DEF_H
-+
-+#include <linux/types.h>
-+
-+struct vx_dmap_target {
-+ dev_t target;
-+ uint32_t flags;
-+};
-+
-+struct _vx_device {
-+#ifdef CONFIG_VSERVER_DEVICE
-+ struct vx_dmap_target targets[2];
-+#endif
-+};
-+
-+#endif /* _VX_DEVICE_DEF_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/device.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/device.h
---- linux-2.6.37/include/linux/vserver/device.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/device.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,15 @@
-+#ifndef _VX_DEVICE_H
-+#define _VX_DEVICE_H
++#define vx_cap_raised(v, c, f) cap_raised(vx_info_mbcaps(v, c), f)
+
++#define vx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
+
-+#define DATTR_CREATE 0x00000001
-+#define DATTR_OPEN 0x00000002
++#define vx_ns_capable(n, b, c) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
+
-+#define DATTR_REMAP 0x00000010
++#define nx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && nx_ncaps(c)))
+
-+#define DATTR_MASK 0x00000013
++#define nx_ns_capable(n, b, c) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && nx_ncaps(c)))
+
++#define vx_task_initpid(t, n) \
++ ((t)->vx_info && \
++ ((t)->vx_info->vx_initpid == (n)))
+
-+#else /* _VX_DEVICE_H */
-+#warning duplicate inclusion
-+#endif /* _VX_DEVICE_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/dlimit_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/dlimit_cmd.h
---- linux-2.6.37/include/linux/vserver/dlimit_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/dlimit_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,109 @@
-+#ifndef _VX_DLIMIT_CMD_H
-+#define _VX_DLIMIT_CMD_H
++#define vx_current_initpid(n) vx_task_initpid(current, n)
+
+
-+/* dlimit vserver commands */
++/* context unshare mask */
+
-+#define VCMD_add_dlimit VC_CMD(DLIMIT, 1, 0)
-+#define VCMD_rem_dlimit VC_CMD(DLIMIT, 2, 0)
++#define __vx_umask(v) ((v)->vx_umask)
+
-+#define VCMD_set_dlimit VC_CMD(DLIMIT, 5, 0)
-+#define VCMD_get_dlimit VC_CMD(DLIMIT, 6, 0)
++#define vx_current_umask() __vx_umask(current_vx_info())
+
-+struct vcmd_ctx_dlimit_base_v0 {
-+ const char __user *name;
-+ uint32_t flags;
-+};
++#define vx_can_unshare(b, f) (capable(b) || \
++ (cap_raised(current_cap(), b) && \
++ !((f) & ~vx_current_umask())))
+
-+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_ns_can_unshare(n, b, f) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && \
++ !((f) & ~vx_current_umask())))
+
-+#define CDLIM_UNSET ((uint32_t)0UL)
-+#define CDLIM_INFINITY ((uint32_t)~0UL)
-+#define CDLIM_KEEP ((uint32_t)~1UL)
++#define __vx_wmask(v) ((v)->vx_wmask)
+
-+#define DLIME_UNIT 0
-+#define DLIME_KILO 1
-+#define DLIME_MEGA 2
-+#define DLIME_GIGA 3
++#define vx_current_wmask() __vx_wmask(current_vx_info())
+
-+#define DLIMF_SHIFT 0x10
+
-+#define DLIMS_USED 0
-+#define DLIMS_TOTAL 2
++#define __vx_state(v) ((v) ? ((v)->vx_state) : 0)
+
-+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_info_state(v, m) (__vx_state(v) & (m))
+
-+static inline
-+uint32_t dlimit_space_64to32(uint64_t val, uint32_t *flags, int shift)
-+{
-+ int exp = 0;
+
-+ 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 __nx_state(n) ((n) ? ((n)->nx_state) : 0)
+
-+#ifdef __KERNEL__
++#define nx_info_state(n, m) (__nx_state(n) & (m))
+
-+#ifdef CONFIG_COMPAT
++#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/cacct.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/cacct.h
+--- linux-4.4.111/include/linux/vserver/cacct.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/cacct.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _VSERVER_CACCT_H
++#define _VSERVER_CACCT_H
+
-+#include <asm/compat.h>
+
-+struct vcmd_ctx_dlimit_base_v0_x32 {
-+ compat_uptr_t name_ptr;
-+ uint32_t flags;
++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 */
+};
+
-+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;
-+};
++#endif /* _VSERVER_CACCT_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/cacct_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/cacct_cmd.h
+--- linux-4.4.111/include/linux/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/cacct_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_CACCT_CMD_H
++#define _VSERVER_CACCT_CMD_H
+
-+#endif /* CONFIG_COMPAT */
+
+#include <linux/compiler.h>
++#include <uapi/vserver/cacct_cmd.h>
+
-+extern int vc_add_dlimit(uint32_t, void __user *);
-+extern int vc_rem_dlimit(uint32_t, void __user *);
++extern int vc_sock_stat(struct vx_info *, void __user *);
+
-+extern int vc_set_dlimit(uint32_t, void __user *);
-+extern int vc_get_dlimit(uint32_t, void __user *);
++#endif /* _VSERVER_CACCT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/cacct_def.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/cacct_def.h
+--- linux-4.4.111/include/linux/vserver/cacct_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/cacct_def.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,43 @@
++#ifndef _VSERVER_CACCT_DEF_H
++#define _VSERVER_CACCT_DEF_H
+
-+#ifdef CONFIG_COMPAT
++#include <asm/atomic.h>
++#include <linux/vserver/cacct.h>
+
-+extern int vc_add_dlimit_x32(uint32_t, void __user *);
-+extern int vc_rem_dlimit_x32(uint32_t, void __user *);
+
-+extern int vc_set_dlimit_x32(uint32_t, void __user *);
-+extern int vc_get_dlimit_x32(uint32_t, void __user *);
++struct _vx_sock_acc {
++ atomic_long_t count;
++ atomic_long_t total;
++};
+
-+#endif /* CONFIG_COMPAT */
++/* context sub struct */
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_DLIMIT_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/dlimit.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/dlimit.h
---- linux-2.6.37/include/linux/vserver/dlimit.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/dlimit.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,54 @@
-+#ifndef _VX_DLIMIT_H
-+#define _VX_DLIMIT_H
++struct _vx_cacct {
++ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3];
++ atomic_t slab[8];
++ atomic_t page[6][8];
++};
+
-+#include "switch.h"
++#ifdef CONFIG_VSERVER_DEBUG
+
++static inline void __dump_vx_cacct(struct _vx_cacct *cacct)
++{
++ int i, j;
+
-+#ifdef __KERNEL__
++ printk("\t_vx_cacct:");
++ for (i = 0; i < 6; i++) {
++ struct _vx_sock_acc *ptr = cacct->sock[i];
+
-+/* keep in sync with CDLIM_INFINITY */
++ 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 DLIM_INFINITY (~0ULL)
++#endif
+
-+#include <linux/spinlock.h>
-+#include <linux/rcupdate.h>
++#endif /* _VSERVER_CACCT_DEF_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/cacct_int.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/cacct_int.h
+--- linux-4.4.111/include/linux/vserver/cacct_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/cacct_int.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_CACCT_INT_H
++#define _VSERVER_CACCT_INT_H
+
-+struct super_block;
++static inline
++unsigned long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].count);
++}
+
-+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 */
+
-+ struct super_block *dl_sb; /* associated superblock */
++static inline
++unsigned long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].total);
++}
+
-+ spinlock_t dl_lock; /* protect the values */
++#endif /* _VSERVER_CACCT_INT_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/check.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/check.h
+--- linux-4.4.111/include/linux/vserver/check.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/check.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,89 @@
++#ifndef _VSERVER_CHECK_H
++#define _VSERVER_CHECK_H
+
-+ 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 */
+
-+ unsigned int dl_nrlmult; /* non root limit mult */
-+};
++#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
+
-+struct rcu_head;
++#ifdef CONFIG_VSERVER_DYNAMIC_IDS
++#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
++#else
++#define MIN_D_CONTEXT 65536
++#endif
+
-+extern void rcu_free_dl_info(struct rcu_head *);
-+extern void unhash_dl_info(struct dl_info *);
++/* check conditions */
+
-+extern struct dl_info *locate_dl_info(struct super_block *, tag_t);
++#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
+
-+struct kstatfs;
++#define VS_ARG_MASK 0x00F0
+
-+extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
++#define VS_DYNAMIC 0x0100
++#define VS_STATIC 0x0200
+
-+typedef uint64_t dlsize_t;
++#define VS_ATR_MASK 0x0F00
+
-+#endif /* __KERNEL__ */
-+#else /* _VX_DLIMIT_H */
-+#warning duplicate inclusion
-+#endif /* _VX_DLIMIT_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/global.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/global.h
---- linux-2.6.37/include/linux/vserver/global.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/global.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,19 @@
-+#ifndef _VX_GLOBAL_H
-+#define _VX_GLOBAL_H
++#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
+
++#define VS_HARDIRQ 0x1000
++#define VS_SOFTIRQ 0x2000
++#define VS_IRQ 0x4000
+
-+extern atomic_t vx_global_ctotal;
-+extern atomic_t vx_global_cactive;
++#define VS_IRQ_MASK 0xF000
+
-+extern atomic_t nx_global_ctotal;
-+extern atomic_t nx_global_cactive;
++#include <linux/hardirq.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_user_ns;
-+extern atomic_t vs_global_pid_ns;
++/*
++ * 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)
+
-+#endif /* _VX_GLOBAL_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/history.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/history.h
---- linux-2.6.37/include/linux/vserver/history.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/history.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,197 @@
-+#ifndef _VX_HISTORY_H
-+#define _VX_HISTORY_H
++#define vx_weak_check(c, m) ((m) ? vx_check(c, m) : 1)
+
+
-+enum {
-+ VXH_UNUSED = 0,
-+ VXH_THROW_OOPS = 1,
++#define nx_check(c, m) __vs_check(nx_current_nid(), c, m)
+
-+ 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 nx_weak_check(c, m) ((m) ? nx_check(c, m) : 1)
+
-+struct _vxhe_vxi {
-+ struct vx_info *ptr;
-+ unsigned xid;
-+ unsigned usecnt;
-+ unsigned tasks;
-+};
++#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/context.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/context.h
+--- linux-4.4.111/include/linux/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/context.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,110 @@
++#ifndef _VSERVER_CONTEXT_H
++#define _VSERVER_CONTEXT_H
+
-+struct _vxhe_set_clr {
-+ void *data;
-+};
+
-+struct _vxhe_loc_lookup {
-+ unsigned arg;
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <uapi/vserver/context.h>
++
++#include "limit_def.h"
++#include "sched_def.h"
++#include "cvirt_def.h"
++#include "cacct_def.h"
++#include "device_def.h"
++
++#define VX_SPACES 2
++
++struct _vx_info_pc {
++ struct _vx_sched_pc sched_pc;
++ struct _vx_cvirt_pc cvirt_pc;
+};
+
-+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_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 */
+};
+
-+#ifdef CONFIG_VSERVER_HISTORY
++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 */
+
-+extern unsigned volatile int vxh_active;
++ struct _vx_space space[VX_SPACES]; /* namespace store */
+
-+struct _vx_hist_entry *vxh_advance(void *loc);
++ 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) */
+
++ struct task_struct *vx_reaper; /* guest reaper process */
++ pid_t vx_initpid; /* PID of guest init */
++ int64_t vx_badness_bias; /* OOM points bias */
+
-+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;
-+ }
-+}
++ 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 */
+
-+#define __HERE__ current_text_addr()
++#ifndef CONFIG_SMP
++ struct _vx_info_pc info_pc; /* per cpu data */
++#else
++ struct _vx_info_pc *ptr_pc; /* per cpu array */
++#endif
+
-+#define __VXH_BODY(__type, __data, __here) \
-+ struct _vx_hist_entry *entry; \
-+ \
-+ preempt_disable(); \
-+ entry = vxh_advance(__here); \
-+ __data; \
-+ entry->type = __type; \
-+ preempt_enable();
++ 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 */
++};
+
-+ /* pass vxi only */
++#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 __VXH_SMPL \
-+ __vxh_copy_vxi(entry, vxi)
++#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
+
-+static inline
-+void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
-+{
-+ __VXH_BODY(__type, __VXH_SMPL, __here)
-+}
+
-+ /* pass vxi and data (void *) */
++struct vx_info_save {
++ struct vx_info *vxi;
++ vxid_t xid;
++};
+
-+#define __VXH_DATA \
-+ __vxh_copy_vxi(entry, vxi); \
-+ entry->sc.data = data
+
-+static inline
-+void __vxh_data(struct vx_info *vxi, void *data,
-+ int __type, void *__here)
-+{
-+ __VXH_BODY(__type, __VXH_DATA, __here)
-+}
++/* status flags */
+
-+ /* pass vxi and arg (long) */
++#define VXS_HASHED 0x0001
++#define VXS_PAUSED 0x0010
++#define VXS_SHUTDOWN 0x0100
++#define VXS_HELPER 0x1000
++#define VXS_RELEASED 0x8000
+
-+#define __VXH_LONG \
-+ __vxh_copy_vxi(entry, vxi); \
-+ entry->ll.arg = arg
+
-+static inline
-+void __vxh_long(struct vx_info *vxi, long arg,
-+ int __type, void *__here)
-+{
-+ __VXH_BODY(__type, __VXH_LONG, __here)
-+}
++extern void claim_vx_info(struct vx_info *, struct task_struct *);
++extern void release_vx_info(struct vx_info *, struct task_struct *);
+
++extern struct vx_info *lookup_vx_info(int);
++extern struct vx_info *lookup_or_create_vx_info(int);
+
-+static inline
-+void __vxh_throw_oops(void *__here)
-+{
-+ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
-+ /* prevent further acquisition */
-+ vxh_active = 0;
-+}
++extern int get_xid_list(int, unsigned int *, int);
++extern int xid_is_hashed(vxid_t);
+
++extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
+
-+#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
++extern long vs_state_change(struct vx_info *, unsigned int);
+
-+#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 __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);
++#endif /* _VSERVER_CONTEXT_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/context_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/context_cmd.h
+--- linux-4.4.111/include/linux/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/context_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,33 @@
++#ifndef _VSERVER_CONTEXT_CMD_H
++#define _VSERVER_CONTEXT_CMD_H
+
-+#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);
++#include <uapi/vserver/context_cmd.h>
+
-+#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__);
++extern int vc_task_xid(uint32_t);
+
-+#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__);
++extern int vc_vx_info(struct vx_info *, void __user *);
+
-+#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__);
++extern int vc_ctx_stat(struct vx_info *, void __user *);
+
-+extern void vxh_dump_history(void);
++extern int vc_ctx_create(uint32_t, void __user *);
++extern int vc_ctx_migrate(struct vx_info *, void __user *);
+
++extern int vc_get_cflags(struct vx_info *, void __user *);
++extern int vc_set_cflags(struct vx_info *, void __user *);
+
-+#else /* CONFIG_VSERVER_HISTORY */
++extern int vc_get_ccaps(struct vx_info *, void __user *);
++extern int vc_set_ccaps(struct vx_info *, void __user *);
+
-+#define __HERE__ 0
++extern int vc_get_bcaps(struct vx_info *, void __user *);
++extern int vc_set_bcaps(struct vx_info *, void __user *);
+
-+#define vxh_throw_oops() do { } while (0)
++extern int vc_get_umask(struct vx_info *, void __user *);
++extern int vc_set_umask(struct vx_info *, void __user *);
+
-+#define __vxh_get_vx_info(v, h) do { } while (0)
-+#define __vxh_put_vx_info(v, h) do { } while (0)
++extern int vc_get_wmask(struct vx_info *, void __user *);
++extern int vc_set_wmask(struct vx_info *, void __user *);
+
-+#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)
++extern int vc_get_badness(struct vx_info *, void __user *);
++extern int vc_set_badness(struct vx_info *, void __user *);
+
-+#define __vxh_claim_vx_info(v, d, h) do { } while (0)
-+#define __vxh_release_vx_info(v, d, h) do { } while (0)
-+
-+#define vxh_alloc_vx_info(v) do { } while (0)
-+#define vxh_dealloc_vx_info(v) do { } while (0)
-+
-+#define vxh_hash_vx_info(v) do { } while (0)
-+#define vxh_unhash_vx_info(v) do { } while (0)
++#endif /* _VSERVER_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/cvirt.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/cvirt.h
+--- linux-4.4.111/include/linux/vserver/cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/cvirt.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,18 @@
++#ifndef _VSERVER_CVIRT_H
++#define _VSERVER_CVIRT_H
+
-+#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)
++struct timespec;
+
-+#define vxh_dump_history() do { } while (0)
++void vx_vsi_boottime(struct timespec *);
+
++void vx_vsi_uptime(struct timespec *, struct timespec *);
+
-+#endif /* CONFIG_VSERVER_HISTORY */
+
-+#endif /* _VX_HISTORY_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/inode_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/inode_cmd.h
---- linux-2.6.37/include/linux/vserver/inode_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/inode_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,59 @@
-+#ifndef _VX_INODE_CMD_H
-+#define _VX_INODE_CMD_H
++struct vx_info;
+
++void vx_update_load(struct vx_info *);
+
-+/* inode vserver commands */
+
-+#define VCMD_get_iattr VC_CMD(INODE, 1, 1)
-+#define VCMD_set_iattr VC_CMD(INODE, 2, 1)
++int vx_do_syslog(int, char __user *, int);
+
-+#define VCMD_fget_iattr VC_CMD(INODE, 3, 0)
-+#define VCMD_fset_iattr VC_CMD(INODE, 4, 0)
++#endif /* _VSERVER_CVIRT_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/cvirt_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/cvirt_cmd.h
+--- linux-4.4.111/include/linux/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/cvirt_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_CVIRT_CMD_H
++#define _VSERVER_CVIRT_CMD_H
+
-+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;
-+};
++#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 *);
+
-+#ifdef __KERNEL__
++extern int vc_virt_stat(struct vx_info *, void __user *);
+
++#endif /* _VSERVER_CVIRT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/cvirt_def.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/cvirt_def.h
+--- linux-4.4.111/include/linux/vserver/cvirt_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/cvirt_def.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,80 @@
++#ifndef _VSERVER_CVIRT_DEF_H
++#define _VSERVER_CVIRT_DEF_H
+
-+#ifdef CONFIG_COMPAT
++#include <linux/jiffies.h>
++#include <linux/spinlock.h>
++#include <linux/wait.h>
++#include <linux/time.h>
++#include <asm/atomic.h>
+
-+#include <asm/compat.h>
+
-+struct vcmd_ctx_iattr_v1_x32 {
-+ compat_uptr_t name_ptr;
-+ uint32_t tag;
-+ uint32_t flags;
-+ uint32_t mask;
++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;
+};
+
-+#endif /* CONFIG_COMPAT */
++struct _vx_syslog {
++ wait_queue_head_t log_wait;
++ spinlock_t logbuf_lock; /* lock for the log buffer */
+
-+#include <linux/compiler.h>
++ 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 */
+
-+extern int vc_get_iattr(void __user *);
-+extern int vc_set_iattr(void __user *);
++ char log_buf[1024];
++};
+
-+extern int vc_fget_iattr(uint32_t, void __user *);
-+extern int vc_fset_iattr(uint32_t, void __user *);
+
-+#ifdef CONFIG_COMPAT
++/* context sub struct */
+
-+extern int vc_get_iattr_x32(void __user *);
-+extern int vc_set_iattr_x32(void __user *);
++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 */
+
-+#endif /* CONFIG_COMPAT */
++ atomic_t nr_onhold; /* processes on hold */
++ uint32_t onhold_last; /* jiffies when put on hold */
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_INODE_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/inode.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/inode.h
---- linux-2.6.37/include/linux/vserver/inode.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/inode.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,39 @@
-+#ifndef _VX_INODE_H
-+#define _VX_INODE_H
++ 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 */
+
-+#define IATTR_TAG 0x01000000
++ atomic_t total_forks; /* number of forks so far */
+
-+#define IATTR_ADMIN 0x00000001
-+#define IATTR_WATCH 0x00000002
-+#define IATTR_HIDE 0x00000004
-+#define IATTR_FLAGS 0x00000007
++ struct _vx_syslog syslog;
++};
+
-+#define IATTR_BARRIER 0x00010000
-+#define IATTR_IXUNLINK 0x00020000
-+#define IATTR_IMMUTABLE 0x00040000
-+#define IATTR_COW 0x00080000
++struct _vx_cvirt_pc {
++ struct _vx_usage_stat cpustat;
++};
+
-+#ifdef __KERNEL__
+
++#ifdef CONFIG_VSERVER_DEBUG
++
++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));
++}
+
-+#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
+
-+#define vx_hide_check(c, m) (((m) & IATTR_HIDE) ? vx_check(c, m) : 1)
++#endif /* _VSERVER_CVIRT_DEF_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/debug.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/debug.h
+--- linux-4.4.111/include/linux/vserver/debug.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/debug.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,146 @@
++#ifndef _VSERVER_DEBUG_H
++#define _VSERVER_DEBUG_H
+
-+#endif /* __KERNEL__ */
+
-+/* inode ioctls */
++#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))
+
-+#define FIOC_GETXFLG _IOR('x', 5, long)
-+#define FIOC_SETXFLG _IOW('x', 6, long)
++#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]"
+
-+#else /* _VX_INODE_H */
-+#warning duplicate inclusion
-+#endif /* _VX_INODE_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/Kbuild linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/Kbuild
---- linux-2.6.37/include/linux/vserver/Kbuild 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/Kbuild 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,8 @@
++#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
+
-+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
++#define VS_Q(f) VS_Q_LQM f VS_Q_RQM
+
-+unifdef-y += switch.h network.h monitor.h inode.h device.h
+
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/limit_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/limit_cmd.h
---- linux-2.6.37/include/linux/vserver/limit_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/limit_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,71 @@
-+#ifndef _VX_LIMIT_CMD_H
-+#define _VX_LIMIT_CMD_H
++#define vxd_path(p) \
++ ({ static char _buffer[PATH_MAX]; \
++ d_path(p, _buffer, sizeof(_buffer)); })
+
++#define vxd_cond_path(n) \
++ ((n) ? vxd_path(&(n)->path) : "<null>" )
+
-+/* rlimit vserver commands */
+
-+#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)
++#ifdef CONFIG_VSERVER_DEBUG
+
-+struct vcmd_ctx_rlimit_v0 {
-+ uint32_t id;
-+ uint64_t minimum;
-+ uint64_t softlimit;
-+ uint64_t maximum;
-+};
++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;
+
-+struct vcmd_ctx_rlimit_mask_v0 {
-+ uint32_t minimum;
-+ uint32_t softlimit;
-+ uint32_t maximum;
-+};
+
-+#define VCMD_rlimit_stat VC_CMD(VSTAT, 1, 0)
++#define VX_LOGLEVEL "vxD: "
++#define VX_PROC_FMT "%p: "
++#define VX_PROCESS current
+
-+struct vcmd_rlimit_stat_v0 {
-+ uint32_t id;
-+ uint32_t hits;
-+ uint64_t value;
-+ uint64_t minimum;
-+ uint64_t maximum;
-+};
++#define vxdprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL VX_PROC_FMT f "\n", \
++ VX_PROCESS , ##x); \
++ } while (0)
+
-+#define CRLIM_UNSET (0ULL)
-+#define CRLIM_INFINITY (~0ULL)
-+#define CRLIM_KEEP (~1ULL)
++#define vxlprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
++ } while (0)
+
-+#ifdef __KERNEL__
++#define vxfprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
++ } while (0)
+
-+#ifdef CONFIG_IA32_EMULATION
+
-+struct vcmd_ctx_rlimit_v0_x32 {
-+ uint32_t id;
-+ uint64_t minimum;
-+ uint64_t softlimit;
-+ uint64_t maximum;
-+} __attribute__ ((packed));
++struct vx_info;
+
-+#endif /* CONFIG_IA32_EMULATION */
++void dump_vx_info(struct vx_info *, int);
++void dump_vx_info_inactive(int);
+
-+#include <linux/compiler.h>
++#else /* CONFIG_VSERVER_DEBUG */
+
-+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 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
+
-+extern int vc_rlimit_stat(struct vx_info *, void __user *);
++#define vxdprintk(x...) do { } while (0)
++#define vxlprintk(x...) do { } while (0)
++#define vxfprintk(x...) do { } while (0)
+
-+#ifdef CONFIG_IA32_EMULATION
++#endif /* CONFIG_VSERVER_DEBUG */
+
-+extern int vc_get_rlimit_x32(struct vx_info *, void __user *);
-+extern int vc_set_rlimit_x32(struct vx_info *, void __user *);
+
-+#endif /* CONFIG_IA32_EMULATION */
++#ifdef CONFIG_VSERVER_WARN
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_LIMIT_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/limit_def.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/limit_def.h
---- linux-2.6.37/include/linux/vserver/limit_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/limit_def.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,47 @@
-+#ifndef _VX_LIMIT_DEF_H
-+#define _VX_LIMIT_DEF_H
++#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] "
+
-+#include <asm/atomic.h>
-+#include <asm/resource.h>
++#define vxwprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_WARNLEVEL f "\n", ##x); \
++ } while (0)
+
-+#include "limit.h"
++#else /* CONFIG_VSERVER_WARN */
+
++#define vxwprintk(x...) do { } while (0)
+
-+struct _vx_res_limit {
-+ rlim_t soft; /* Context soft limit */
-+ rlim_t hard; /* Context hard limit */
++#endif /* CONFIG_VSERVER_WARN */
+
-+ rlim_atomic_t rcur; /* Current value */
-+ rlim_t rmin; /* Context minimum */
-+ rlim_t rmax; /* Context maximum */
++#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)
+
-+ atomic_t lhit; /* Limit hits */
-+};
++#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
+
-+/* context sub struct */
+
-+struct _vx_limit {
-+ struct _vx_res_limit res[NUM_LIMITS];
-+};
++#endif /* _VSERVER_DEBUG_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/debug_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/debug_cmd.h
+--- linux-4.4.111/include/linux/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/debug_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_DEBUG_CMD_H
++#define _VSERVER_DEBUG_CMD_H
+
-+#ifdef CONFIG_VSERVER_DEBUG
++#include <uapi/vserver/debug_cmd.h>
+
-+static inline void __dump_vx_limit(struct _vx_limit *limit)
-+{
-+ int i;
+
-+ 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
++#include <asm/compat.h>
+
-+#endif /* _VX_LIMIT_DEF_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/limit.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/limit.h
---- linux-2.6.37/include/linux/vserver/limit.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/limit.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,71 @@
-+#ifndef _VX_LIMIT_H
-+#define _VX_LIMIT_H
++struct vcmd_read_history_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
+
-+#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
++struct vcmd_read_monitor_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
+
++#endif /* CONFIG_COMPAT */
+
-+#ifdef __KERNEL__
++extern int vc_dump_history(uint32_t);
+
-+#define VLIM_NOCHECK ((1L << VLIMIT_DENTRY) | (1L << RLIMIT_RSS))
++extern int vc_read_history(uint32_t, void __user *);
++extern int vc_read_monitor(uint32_t, void __user *);
+
-+/* keep in sync with CRLIM_INFINITY */
++#ifdef CONFIG_COMPAT
+
-+#define VLIM_INFINITY (~0ULL)
++extern int vc_read_history_x32(uint32_t, void __user *);
++extern int vc_read_monitor_x32(uint32_t, void __user *);
+
-+#include <asm/atomic.h>
-+#include <asm/resource.h>
++#endif /* CONFIG_COMPAT */
+
-+#ifndef RLIM_INFINITY
-+#warning RLIM_INFINITY is undefined
-+#endif
++#endif /* _VSERVER_DEBUG_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/device.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/device.h
+--- linux-4.4.111/include/linux/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/device.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,9 @@
++#ifndef _VSERVER_DEVICE_H
++#define _VSERVER_DEVICE_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)
++#include <uapi/vserver/device.h>
+
-+#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)
++#else /* _VSERVER_DEVICE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DEVICE_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/device_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/device_cmd.h
+--- linux-4.4.111/include/linux/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/device_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,31 @@
++#ifndef _VSERVER_DEVICE_CMD_H
++#define _VSERVER_DEVICE_CMD_H
+
-+#define __rlim_lhit(l, r) __rlim_val(l, r, lhit)
-+#define __rlim_hit(l, r) atomic_inc(&__rlim_lhit(l, r))
++#include <uapi/vserver/device_cmd.h>
+
-+typedef atomic_long_t rlim_atomic_t;
-+typedef unsigned long rlim_t;
+
-+#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))
++#ifdef CONFIG_COMPAT
+
++#include <asm/compat.h>
+
-+#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
++struct vcmd_set_mapping_v0_x32 {
++ compat_uptr_t device_ptr;
++ compat_uptr_t target_ptr;
++ uint32_t flags;
++};
+
-+struct sysinfo;
++#endif /* CONFIG_COMPAT */
+
-+void vx_vsi_meminfo(struct sysinfo *);
-+void vx_vsi_swapinfo(struct sysinfo *);
-+long vx_vsi_cached(struct sysinfo *);
++#include <linux/compiler.h>
+
-+#define NUM_LIMITS 24
++extern int vc_set_mapping(struct vx_info *, void __user *);
++extern int vc_unset_mapping(struct vx_info *, void __user *);
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_LIMIT_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/limit_int.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/limit_int.h
---- linux-2.6.37/include/linux/vserver/limit_int.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/limit_int.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,198 @@
-+#ifndef _VX_LIMIT_INT_H
-+#define _VX_LIMIT_INT_H
++#ifdef CONFIG_COMPAT
+
-+#include "context.h"
++extern int vc_set_mapping_x32(struct vx_info *, void __user *);
++extern int vc_unset_mapping_x32(struct vx_info *, void __user *);
+
-+#ifdef __KERNEL__
++#endif /* CONFIG_COMPAT */
+
-+#define VXD_RCRES_COND(r) VXD_CBIT(cres, r)
-+#define VXD_RLIMIT_COND(r) VXD_CBIT(limit, r)
++#endif /* _VSERVER_DEVICE_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/device_def.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/device_def.h
+--- linux-4.4.111/include/linux/vserver/device_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/device_def.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_DEVICE_DEF_H
++#define _VSERVER_DEVICE_DEF_H
+
-+extern const char *vlimit_name[NUM_LIMITS];
++#include <linux/types.h>
+
-+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;
++struct vx_dmap_target {
++ dev_t target;
++ uint32_t flags;
++};
+
-+ if (dir > 0)
-+ __rlim_inc(&vxi->limit, res);
-+ else
-+ __rlim_dec(&vxi->limit, res);
-+}
++struct _vx_device {
++#ifdef CONFIG_VSERVER_DEVICE
++ struct vx_dmap_target targets[2];
++#endif
++};
+
-+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);
-+}
++#endif /* _VSERVER_DEVICE_DEF_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/dlimit.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/dlimit.h
+--- linux-4.4.111/include/linux/vserver/dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/dlimit.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,54 @@
++#ifndef _VSERVER_DLIMIT_H
++#define _VSERVER_DLIMIT_H
+
-+static inline
-+int __vx_cres_adjust_max(struct _vx_limit *limit, int res, rlim_t value)
-+{
-+ int cond = (value > __rlim_rmax(limit, res));
++#include "switch.h"
+
-+ if (cond)
-+ __rlim_rmax(limit, res) = value;
-+ return cond;
-+}
+
-+static inline
-+int __vx_cres_adjust_min(struct _vx_limit *limit, int res, rlim_t value)
-+{
-+ int cond = (value < __rlim_rmin(limit, res));
++#ifdef __KERNEL__
+
-+ if (cond)
-+ __rlim_rmin(limit, res) = value;
-+ return cond;
-+}
++/* keep in sync with CDLIM_INFINITY */
+
-+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 DLIM_INFINITY (~0ULL)
+
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
+
-+/* return values:
-+ +1 ... no limit hit
-+ -1 ... over soft limit
-+ 0 ... over hard limit */
++struct super_block;
+
-+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;
++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 */
+
-+ 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;
++ struct super_block *dl_sb; /* associated superblock */
+
-+ limit = &vxi->limit;
-+ value = __rlim_get(limit, res);
++ spinlock_t dl_lock; /* protect the values */
+
-+ if (!__vx_cres_adjust_max(limit, res, value))
-+ __vx_cres_adjust_min(limit, res, value);
++ 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 */
+
-+ if (num == 0)
-+ return 1;
++ unsigned int dl_nrlmult; /* non root limit mult */
++};
+
-+ if (__rlim_soft(limit, res) == RLIM_INFINITY)
-+ return -1;
-+ if (value + num <= __rlim_soft(limit, res))
-+ return -1;
++struct rcu_head;
+
-+ if (__rlim_hard(limit, res) == RLIM_INFINITY)
-+ return 1;
-+ if (value + num <= __rlim_hard(limit, res))
-+ return 1;
++extern void rcu_free_dl_info(struct rcu_head *);
++extern void unhash_dl_info(struct dl_info *);
+
-+ __rlim_hit(limit, res);
-+ return 0;
-+}
++extern struct dl_info *locate_dl_info(struct super_block *, vtag_t);
+
+
-+static const int VLA_RSS[] = { RLIMIT_RSS, VLIMIT_ANON, VLIMIT_MAPPED, 0 };
++struct kstatfs;
+
-+static inline
-+rlim_t __vx_cres_array_sum(struct _vx_limit *limit, const int *array)
-+{
-+ rlim_t value, sum = 0;
-+ int res;
-+
-+ while ((res = *array++)) {
-+ value = __rlim_get(limit, res);
-+ __vx_cres_fixup(limit, res, value);
-+ sum += value;
-+ }
-+ return sum;
-+}
-+
-+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;
-+
-+ __rlim_set(limit, res, value);
-+ /* now adjust min/max */
-+ if (!__vx_cres_adjust_max(limit, res, value))
-+ __vx_cres_adjust_min(limit, res, value);
++extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
+
-+ return value;
-+}
++typedef uint64_t dlsize_t;
+
-+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;
++#endif /* __KERNEL__ */
++#else /* _VSERVER_DLIMIT_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DLIMIT_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/dlimit_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/dlimit_cmd.h
+--- linux-4.4.111/include/linux/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/dlimit_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,46 @@
++#ifndef _VSERVER_DLIMIT_CMD_H
++#define _VSERVER_DLIMIT_CMD_H
+
-+ if (num == 0)
-+ return 1;
-+ if (!vxi)
-+ return 1;
++#include <uapi/vserver/dlimit_cmd.h>
+
-+ limit = &vxi->limit;
-+ res = *array;
-+ value = __vx_cres_array_sum(limit, array + 1);
+
-+ __rlim_set(limit, res, value);
-+ __vx_cres_fixup(limit, res, value);
++#ifdef CONFIG_COMPAT
+
-+ return __vx_cres_avail(vxi, res, num, _file, _line);
-+}
++#include <asm/compat.h>
+
++struct vcmd_ctx_dlimit_base_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t flags;
++};
+
-+static inline void vx_limit_fixup(struct _vx_limit *limit, int id)
-+{
-+ rlim_t value;
-+ int res;
++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;
++};
+
-+ /* complex resources first */
-+ if ((id < 0) || (id == RLIMIT_RSS))
-+ __vx_cres_array_fixup(limit, VLA_RSS);
++#endif /* CONFIG_COMPAT */
+
-+ for (res = 0; res < NUM_LIMITS; res++) {
-+ if ((id > 0) && (res != id))
-+ continue;
++#include <linux/compiler.h>
+
-+ value = __rlim_get(limit, res);
-+ __vx_cres_fixup(limit, res, value);
++extern int vc_add_dlimit(uint32_t, void __user *);
++extern int vc_rem_dlimit(uint32_t, void __user *);
+
-+ /* 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_set_dlimit(uint32_t, void __user *);
++extern int vc_get_dlimit(uint32_t, void __user *);
+
++#ifdef CONFIG_COMPAT
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_LIMIT_INT_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/monitor.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/monitor.h
---- linux-2.6.37/include/linux/vserver/monitor.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/monitor.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,96 @@
-+#ifndef _VX_MONITOR_H
-+#define _VX_MONITOR_H
++extern int vc_add_dlimit_x32(uint32_t, void __user *);
++extern int vc_rem_dlimit_x32(uint32_t, void __user *);
+
-+#include <linux/types.h>
++extern int vc_set_dlimit_x32(uint32_t, void __user *);
++extern int vc_get_dlimit_x32(uint32_t, void __user *);
+
-+enum {
-+ VXM_UNUSED = 0,
++#endif /* CONFIG_COMPAT */
+
-+ VXM_SYNC = 0x10,
++#endif /* _VSERVER_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/global.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/global.h
+--- linux-4.4.111/include/linux/vserver/global.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/global.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VSERVER_GLOBAL_H
++#define _VSERVER_GLOBAL_H
+
-+ VXM_UPDATE = 0x20,
-+ VXM_UPDATE_1,
-+ VXM_UPDATE_2,
+
-+ VXM_RQINFO_1 = 0x24,
-+ VXM_RQINFO_2,
++extern atomic_t vx_global_ctotal;
++extern atomic_t vx_global_cactive;
+
-+ VXM_ACTIVATE = 0x40,
-+ VXM_DEACTIVATE,
-+ VXM_IDLE,
++extern atomic_t nx_global_ctotal;
++extern atomic_t nx_global_cactive;
+
-+ VXM_HOLD = 0x44,
-+ VXM_UNHOLD,
++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;
+
-+ VXM_MIGRATE = 0x48,
-+ VXM_RESCHED,
+
-+ /* all other bits are flags */
-+ VXM_SCHED = 0x80,
-+};
++#endif /* _VSERVER_GLOBAL_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/history.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/history.h
+--- linux-4.4.111/include/linux/vserver/history.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/history.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,197 @@
++#ifndef _VSERVER_HISTORY_H
++#define _VSERVER_HISTORY_H
+
-+struct _vxm_update_1 {
-+ uint32_t tokens_max;
-+ uint32_t fill_rate;
-+ uint32_t interval;
-+};
+
-+struct _vxm_update_2 {
-+ uint32_t tokens_min;
-+ uint32_t fill_rate;
-+ uint32_t interval;
-+};
++enum {
++ VXH_UNUSED = 0,
++ VXH_THROW_OOPS = 1,
+
-+struct _vxm_rqinfo_1 {
-+ uint16_t running;
-+ uint16_t onhold;
-+ uint16_t iowait;
-+ uint16_t uintr;
-+ uint32_t idle_tokens;
++ 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,
+};
+
-+struct _vxm_rqinfo_2 {
-+ uint32_t norm_time;
-+ uint32_t idle_time;
-+ uint32_t idle_skip;
++struct _vxhe_vxi {
++ struct vx_info *ptr;
++ unsigned xid;
++ unsigned usecnt;
++ unsigned tasks;
+};
+
-+struct _vxm_sched {
-+ uint32_t tokens;
-+ uint32_t norm_time;
-+ uint32_t idle_time;
++struct _vxhe_set_clr {
++ void *data;
+};
+
-+struct _vxm_task {
-+ uint16_t pid;
-+ uint16_t state;
++struct _vxhe_loc_lookup {
++ unsigned arg;
+};
+
-+struct _vxm_event {
-+ uint32_t jif;
-+ union {
-+ uint32_t seq;
-+ uint32_t sec;
-+ };
++struct _vx_hist_entry {
++ void *loc;
++ unsigned short seq;
++ unsigned short type;
++ struct _vxhe_vxi vxi;
+ union {
-+ uint32_t tokens;
-+ uint32_t nsec;
-+ struct _vxm_task tsk;
++ struct _vxhe_set_clr sc;
++ struct _vxhe_loc_lookup ll;
+ };
+};
+
-+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;
-+ };
-+};
++#ifdef CONFIG_VSERVER_HISTORY
+
++extern unsigned volatile int vxh_active;
+
-+#endif /* _VX_MONITOR_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/network_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/network_cmd.h
---- linux-2.6.37/include/linux/vserver/network_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/network_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,150 @@
-+#ifndef _VX_NETWORK_CMD_H
-+#define _VX_NETWORK_CMD_H
++struct _vx_hist_entry *vxh_advance(void *loc);
+
+
-+/* vinfo commands */
++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;
++ }
++}
+
-+#define VCMD_task_nid VC_CMD(VINFO, 2, 0)
+
-+#ifdef __KERNEL__
-+extern int vc_task_nid(uint32_t);
++#define __HERE__ current_text_addr()
+
-+#endif /* __KERNEL__ */
++#define __VXH_BODY(__type, __data, __here) \
++ struct _vx_hist_entry *entry; \
++ \
++ preempt_disable(); \
++ entry = vxh_advance(__here); \
++ __data; \
++ entry->type = __type; \
++ preempt_enable();
+
-+#define VCMD_nx_info VC_CMD(VINFO, 6, 0)
+
-+struct vcmd_nx_info_v0 {
-+ uint32_t nid;
-+ /* more to come */
-+};
++ /* pass vxi only */
+
-+#ifdef __KERNEL__
-+extern int vc_nx_info(struct nx_info *, void __user *);
++#define __VXH_SMPL \
++ __vxh_copy_vxi(entry, vxi)
+
-+#endif /* __KERNEL__ */
++static inline
++void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_SMPL, __here)
++}
+
-+#include <linux/in.h>
-+#include <linux/in6.h>
++ /* pass vxi and data (void *) */
+
-+#define VCMD_net_create_v0 VC_CMD(VNET, 1, 0)
-+#define VCMD_net_create VC_CMD(VNET, 1, 1)
-+
-+struct vcmd_net_create {
-+ uint64_t flagword;
-+};
++#define __VXH_DATA \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->sc.data = data
+
-+#define VCMD_net_migrate VC_CMD(NETMIG, 1, 0)
++static inline
++void __vxh_data(struct vx_info *vxi, void *data,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_DATA, __here)
++}
+
-+#define VCMD_net_add VC_CMD(NETALT, 1, 0)
-+#define VCMD_net_remove VC_CMD(NETALT, 2, 0)
++ /* pass vxi and arg (long) */
+
-+struct vcmd_net_addr_v0 {
-+ uint16_t type;
-+ uint16_t count;
-+ struct in_addr ip[4];
-+ struct in_addr mask[4];
-+};
++#define __VXH_LONG \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->ll.arg = arg
+
-+#define VCMD_net_add_ipv4 VC_CMD(NETALT, 1, 1)
-+#define VCMD_net_remove_ipv4 VC_CMD(NETALT, 2, 1)
++static inline
++void __vxh_long(struct vx_info *vxi, long arg,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_LONG, __here)
++}
+
-+struct vcmd_net_addr_ipv4_v1 {
-+ uint16_t type;
-+ uint16_t flags;
-+ struct in_addr ip;
-+ struct in_addr mask;
-+};
+
-+#define VCMD_net_add_ipv6 VC_CMD(NETALT, 3, 1)
-+#define VCMD_net_remove_ipv6 VC_CMD(NETALT, 4, 1)
++static inline
++void __vxh_throw_oops(void *__here)
++{
++ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
++ /* prevent further acquisition */
++ vxh_active = 0;
++}
+
-+struct vcmd_net_addr_ipv6_v1 {
-+ uint16_t type;
-+ uint16_t flags;
-+ uint32_t prefix;
-+ struct in6_addr ip;
-+ struct in6_addr mask;
-+};
+
-+#define VCMD_add_match_ipv4 VC_CMD(NETALT, 5, 0)
-+#define VCMD_get_match_ipv4 VC_CMD(NETALT, 6, 0)
++#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
+
-+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;
-+};
++#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 VCMD_add_match_ipv6 VC_CMD(NETALT, 7, 0)
-+#define VCMD_get_match_ipv6 VC_CMD(NETALT, 8, 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);
+
-+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;
-+};
++#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 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__);
+
-+#ifdef __KERNEL__
-+extern int vc_net_create(uint32_t, void __user *);
-+extern int vc_net_migrate(struct nx_info *, void __user *);
++#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__);
+
-+extern int vc_net_add(struct nx_info *, void __user *);
-+extern int vc_net_remove(struct nx_info *, void __user *);
++#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__);
+
-+extern int vc_net_add_ipv4(struct nx_info *, void __user *);
-+extern int vc_net_remove_ipv4(struct nx_info *, void __user *);
++extern void vxh_dump_history(void);
+
-+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 *);
++#else /* CONFIG_VSERVER_HISTORY */
+
-+extern int vc_add_match_ipv6(struct nx_info *, void __user *);
-+extern int vc_get_match_ipv6(struct nx_info *, void __user *);
++#define __HERE__ 0
+
-+#endif /* __KERNEL__ */
++#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)
+
-+/* flag commands */
++#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 VCMD_get_nflags VC_CMD(FLAGS, 5, 0)
-+#define VCMD_set_nflags VC_CMD(FLAGS, 6, 0)
++#define __vxh_claim_vx_info(v, d, h) do { } while (0)
++#define __vxh_release_vx_info(v, d, h) do { } while (0)
+
-+struct vcmd_net_flags_v0 {
-+ uint64_t flagword;
-+ uint64_t mask;
-+};
++#define vxh_alloc_vx_info(v) do { } while (0)
++#define vxh_dealloc_vx_info(v) do { } while (0)
+
-+#ifdef __KERNEL__
-+extern int vc_get_nflags(struct nx_info *, void __user *);
-+extern int vc_set_nflags(struct nx_info *, void __user *);
++#define vxh_hash_vx_info(v) do { } while (0)
++#define vxh_unhash_vx_info(v) do { } while (0)
+
-+#endif /* __KERNEL__ */
++#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)
+
-+/* network caps commands */
+
-+#define VCMD_get_ncaps VC_CMD(FLAGS, 7, 0)
-+#define VCMD_set_ncaps VC_CMD(FLAGS, 8, 0)
++#endif /* CONFIG_VSERVER_HISTORY */
+
-+struct vcmd_net_caps_v0 {
-+ uint64_t ncaps;
-+ uint64_t cmask;
-+};
++#endif /* _VSERVER_HISTORY_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/inode.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/inode.h
+--- linux-4.4.111/include/linux/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/inode.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VSERVER_INODE_H
++#define _VSERVER_INODE_H
+
-+#ifdef __KERNEL__
-+extern int vc_get_ncaps(struct nx_info *, void __user *);
-+extern int vc_set_ncaps(struct nx_info *, void __user *);
++#include <uapi/vserver/inode.h>
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_CONTEXT_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/network.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/network.h
---- linux-2.6.37/include/linux/vserver/network.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/network.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,146 @@
-+#ifndef _VX_NETWORK_H
-+#define _VX_NETWORK_H
+
-+#include <linux/types.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
+
++#define vx_hide_check(c, m) (((m) & IATTR_HIDE) ? vx_check(c, m) : 1)
+
-+#define MAX_N_CONTEXT 65535 /* Arbitrary limit */
++#else /* _VSERVER_INODE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_INODE_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/inode_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/inode_cmd.h
+--- linux-4.4.111/include/linux/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/inode_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,36 @@
++#ifndef _VSERVER_INODE_CMD_H
++#define _VSERVER_INODE_CMD_H
+
++#include <uapi/vserver/inode_cmd.h>
+
-+/* network flags */
+
-+#define NXF_INFO_PRIVATE 0x00000008
+
-+#define NXF_SINGLE_IP 0x00000100
-+#define NXF_LBACK_REMAP 0x00000200
-+#define NXF_LBACK_ALLOW 0x00000400
++#ifdef CONFIG_COMPAT
+
-+#define NXF_HIDE_NETIF 0x02000000
-+#define NXF_HIDE_LBACK 0x04000000
++#include <asm/compat.h>
+
-+#define NXF_STATE_SETUP (1ULL << 32)
-+#define NXF_STATE_ADMIN (1ULL << 34)
++struct vcmd_ctx_iattr_v1_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
+
-+#define NXF_SC_HELPER (1ULL << 36)
-+#define NXF_PERSISTENT (1ULL << 38)
++#endif /* CONFIG_COMPAT */
+
-+#define NXF_ONE_TIME (0x0005ULL << 32)
++#include <linux/compiler.h>
+
++extern int vc_get_iattr(void __user *);
++extern int vc_set_iattr(void __user *);
+
-+#define NXF_INIT_SET (__nxf_init_set())
++extern int vc_fget_iattr(uint32_t, void __user *);
++extern int vc_fset_iattr(uint32_t, void __user *);
+
-+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;
-+}
++#ifdef CONFIG_COMPAT
+
++extern int vc_get_iattr_x32(void __user *);
++extern int vc_set_iattr_x32(void __user *);
+
-+/* network caps */
++#endif /* CONFIG_COMPAT */
+
-+#define NXC_TUN_CREATE 0x00000001
++#endif /* _VSERVER_INODE_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/limit.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/limit.h
+--- linux-4.4.111/include/linux/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/limit.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _VSERVER_LIMIT_H
++#define _VSERVER_LIMIT_H
+
-+#define NXC_RAW_ICMP 0x00000100
++#include <uapi/vserver/limit.h>
+
+
-+/* address types */
++#define VLIM_NOCHECK ((1L << VLIMIT_DENTRY) | (1L << RLIMIT_RSS))
+
-+#define NXA_TYPE_IPV4 0x0001
-+#define NXA_TYPE_IPV6 0x0002
++/* keep in sync with CRLIM_INFINITY */
+
-+#define NXA_TYPE_NONE 0x0000
-+#define NXA_TYPE_ANY 0x00FF
++#define VLIM_INFINITY (~0ULL)
+
-+#define NXA_TYPE_ADDR 0x0010
-+#define NXA_TYPE_MASK 0x0020
-+#define NXA_TYPE_RANGE 0x0040
++#include <asm/atomic.h>
++#include <asm/resource.h>
+
-+#define NXA_MASK_ALL (NXA_TYPE_ADDR | NXA_TYPE_MASK | NXA_TYPE_RANGE)
++#ifndef RLIM_INFINITY
++#warning RLIM_INFINITY is undefined
++#endif
+
-+#define NXA_MOD_BCAST 0x0100
-+#define NXA_MOD_LBACK 0x0200
++#define __rlim_val(l, r, v) ((l)->res[r].v)
+
-+#define NXA_LOOPBACK 0x1000
++#define __rlim_soft(l, r) __rlim_val(l, r, soft)
++#define __rlim_hard(l, r) __rlim_val(l, r, hard)
+
-+#define NXA_MASK_BIND (NXA_MASK_ALL | NXA_MOD_BCAST | NXA_MOD_LBACK)
-+#define NXA_MASK_SHOW (NXA_MASK_ALL | NXA_LOOPBACK)
++#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)
+
-+#ifdef __KERNEL__
++#define __rlim_lhit(l, r) __rlim_val(l, r, lhit)
++#define __rlim_hit(l, r) atomic_inc(&__rlim_lhit(l, r))
+
-+#include <linux/list.h>
-+#include <linux/spinlock.h>
-+#include <linux/rcupdate.h>
-+#include <linux/in.h>
-+#include <linux/in6.h>
-+#include <asm/atomic.h>
++typedef atomic_long_t rlim_atomic_t;
++typedef unsigned long rlim_t;
+
-+struct nx_addr_v4 {
-+ struct nx_addr_v4 *next;
-+ struct in_addr ip[2];
-+ struct in_addr mask;
-+ uint16_t type;
-+ uint16_t flags;
-+};
-+
-+struct nx_addr_v6 {
-+ struct nx_addr_v6 *next;
-+ struct in6_addr ip;
-+ struct in6_addr mask;
-+ uint32_t prefix;
-+ uint16_t type;
-+ uint16_t flags;
-+};
-+
-+struct nx_info {
-+ struct hlist_node nx_hlist; /* linked list of nxinfos */
-+ nid_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 */
-+
-+ struct in_addr v4_lback; /* Loopback address */
-+ struct in_addr v4_bcast; /* Broadcast address */
-+ struct nx_addr_v4 v4; /* First/Single ipv4 address */
-+#ifdef CONFIG_IPV6
-+ struct nx_addr_v6 v6; /* First/Single ipv6 address */
-+#endif
-+ char nx_name[65]; /* network context name */
-+};
-+
-+
-+/* status flags */
-+
-+#define NXS_HASHED 0x0001
-+#define NXS_SHUTDOWN 0x0100
-+#define NXS_RELEASED 0x8000
-+
-+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 nx_migrate_task(struct task_struct *, struct nx_info *);
-+
-+extern long vs_net_change(struct nx_info *, unsigned int);
-+
-+struct sock;
++#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))
+
+
-+#define NX_IPV4(n) ((n)->v4.type != NXA_TYPE_NONE)
-+#ifdef CONFIG_IPV6
-+#define NX_IPV6(n) ((n)->v6.type != NXA_TYPE_NONE)
++#if (RLIM_INFINITY == VLIM_INFINITY)
++#define VX_VLIM(r) ((long long)(long)(r))
++#define VX_RLIM(v) ((rlim_t)(v))
+#else
-+#define NX_IPV6(n) (0)
++#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 /* __KERNEL__ */
-+#endif /* _VX_NETWORK_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/percpu.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/percpu.h
---- linux-2.6.37/include/linux/vserver/percpu.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/percpu.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,14 @@
-+#ifndef _VX_PERCPU_H
-+#define _VX_PERCPU_H
-+
-+#include "cvirt_def.h"
-+#include "sched_def.h"
-+
-+struct _vx_percpu {
-+ struct _vx_cvirt_pc cvirt;
-+ struct _vx_sched_pc sched;
-+};
++struct sysinfo;
+
-+#define PERCPU_PERCTX (sizeof(struct _vx_percpu))
++#ifdef CONFIG_MEMCG
++void vx_vsi_meminfo(struct sysinfo *);
++void vx_vsi_swapinfo(struct sysinfo *);
++long vx_vsi_cached(struct sysinfo *);
++#else /* !CONFIG_MEMCG */
++#define vx_vsi_meminfo(s) do { } while (0)
++#define vx_vsi_swapinfo(s) do { } while (0)
++#define vx_vsi_cached(s) (0L)
++#endif /* !CONFIG_MEMCG */
+
-+#endif /* _VX_PERCPU_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/pid.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/pid.h
---- linux-2.6.37/include/linux/vserver/pid.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/pid.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,51 @@
-+#ifndef _VSERVER_PID_H
-+#define _VSERVER_PID_H
++#define NUM_LIMITS 24
+
-+/* pid faking stuff */
++#endif /* _VSERVER_LIMIT_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/limit_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/limit_cmd.h
+--- linux-4.4.111/include/linux/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/limit_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,35 @@
++#ifndef _VSERVER_LIMIT_CMD_H
++#define _VSERVER_LIMIT_CMD_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_tgid(p) vx_map_pid(p)
++#include <uapi/vserver/limit_cmd.h>
+
-+static inline int __vx_info_map_pid(struct vx_info *vxi, int pid,
-+ const char *func, const char *file, int line)
-+{
-+ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
-+ vxfprintk(VXD_CBIT(cvirt, 2),
-+ "vx_map_tgid: %p/%llx: %d -> %d",
-+ vxi, (long long)vxi->vx_flags, pid,
-+ (pid && pid == vxi->vx_initpid) ? 1 : pid,
-+ func, file, line);
-+ if (pid == 0)
-+ return 0;
-+ if (pid == vxi->vx_initpid)
-+ return 1;
-+ }
-+ return 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_tgid(p) vx_rmap_pid(p)
++#ifdef CONFIG_IA32_EMULATION
+
-+static inline int __vx_info_rmap_pid(struct vx_info *vxi, int pid,
-+ const char *func, const char *file, int line)
-+{
-+ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
-+ vxfprintk(VXD_CBIT(cvirt, 2),
-+ "vx_rmap_tgid: %p/%llx: %d -> %d",
-+ vxi, (long long)vxi->vx_flags, pid,
-+ (pid == 1) ? vxi->vx_initpid : pid,
-+ func, file, line);
-+ if ((pid == 1) && vxi->vx_initpid)
-+ return vxi->vx_initpid;
-+ if (pid == vxi->vx_initpid)
-+ return ~0U;
-+ }
-+ return pid;
-+}
++struct vcmd_ctx_rlimit_v0_x32 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++} __attribute__ ((packed));
+
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/sched_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/sched_cmd.h
---- linux-2.6.37/include/linux/vserver/sched_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/sched_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,21 @@
-+#ifndef _VX_SCHED_CMD_H
-+#define _VX_SCHED_CMD_H
++#endif /* CONFIG_IA32_EMULATION */
+
++#include <linux/compiler.h>
+
-+struct vcmd_prio_bias {
-+ int32_t cpu_id;
-+ int32_t prio_bias;
-+};
++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_set_prio_bias VC_CMD(SCHED, 4, 0)
-+#define VCMD_get_prio_bias VC_CMD(SCHED, 5, 0)
++extern int vc_rlimit_stat(struct vx_info *, void __user *);
+
-+#ifdef __KERNEL__
++#ifdef CONFIG_IA32_EMULATION
+
-+#include <linux/compiler.h>
++extern int vc_get_rlimit_x32(struct vx_info *, void __user *);
++extern int vc_set_rlimit_x32(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 /* CONFIG_IA32_EMULATION */
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_SCHED_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/sched_def.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/sched_def.h
---- linux-2.6.37/include/linux/vserver/sched_def.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/sched_def.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,38 @@
-+#ifndef _VX_SCHED_DEF_H
-+#define _VX_SCHED_DEF_H
++#endif /* _VSERVER_LIMIT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/limit_def.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/limit_def.h
+--- linux-4.4.111/include/linux/vserver/limit_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/limit_def.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VSERVER_LIMIT_DEF_H
++#define _VSERVER_LIMIT_DEF_H
+
-+#include <linux/spinlock.h>
-+#include <linux/jiffies.h>
-+#include <linux/cpumask.h>
+#include <asm/atomic.h>
-+#include <asm/param.h>
++#include <asm/resource.h>
+
++#include "limit.h"
+
-+/* context sub struct */
+
-+struct _vx_sched {
-+ int prio_bias; /* bias offset for priority */
++struct _vx_res_limit {
++ rlim_t soft; /* Context soft limit */
++ rlim_t hard; /* Context hard limit */
+
-+ cpumask_t update; /* CPUs which should update */
++ rlim_atomic_t rcur; /* Current value */
++ rlim_t rmin; /* Context minimum */
++ rlim_t rmax; /* Context maximum */
++
++ atomic_t lhit; /* Limit hits */
+};
+
-+struct _vx_sched_pc {
-+ int prio_bias; /* bias offset for priority */
++/* context sub struct */
+
-+ uint64_t user_ticks; /* token tick events */
-+ uint64_t sys_ticks; /* token tick events */
-+ uint64_t hold_ticks; /* token ticks paused */
++struct _vx_limit {
++ struct _vx_res_limit res[NUM_LIMITS];
+};
+
-+
+#ifdef CONFIG_VSERVER_DEBUG
+
-+static inline void __dump_vx_sched(struct _vx_sched *sched)
++static inline void __dump_vx_limit(struct _vx_limit *limit)
+{
-+ printk("\t_vx_sched:\n");
-+ printk("\t priority = %4d\n", sched->prio_bias);
++ int i;
++
++ 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)));
++ }
+}
+
+#endif
+
-+#endif /* _VX_SCHED_DEF_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/sched.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/sched.h
---- linux-2.6.37/include/linux/vserver/sched.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/sched.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,23 @@
-+#ifndef _VX_SCHED_H
-+#define _VX_SCHED_H
++#endif /* _VSERVER_LIMIT_DEF_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/limit_int.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/limit_int.h
+--- linux-4.4.111/include/linux/vserver/limit_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/limit_int.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,193 @@
++#ifndef _VSERVER_LIMIT_INT_H
++#define _VSERVER_LIMIT_INT_H
+
++#define VXD_RCRES_COND(r) VXD_CBIT(cres, r)
++#define VXD_RLIMIT_COND(r) VXD_CBIT(limit, r)
+
-+#ifdef __KERNEL__
++extern const char *vlimit_name[NUM_LIMITS];
+
-+struct timespec;
++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;
+
-+void vx_vsi_uptime(struct timespec *, struct timespec *);
++ if (dir > 0)
++ __rlim_inc(&vxi->limit, res);
++ else
++ __rlim_dec(&vxi->limit, res);
++}
+
++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 vx_info;
++static inline
++int __vx_cres_adjust_max(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value > __rlim_rmax(limit, res));
+
-+void vx_update_load(struct vx_info *);
++ if (cond)
++ __rlim_rmax(limit, res) = value;
++ return cond;
++}
+
++static inline
++int __vx_cres_adjust_min(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value < __rlim_rmin(limit, res));
+
-+void vx_update_sched_param(struct _vx_sched *sched,
-+ struct _vx_sched_pc *sched_pc);
++ if (cond)
++ __rlim_rmin(limit, res) = value;
++ return cond;
++}
+
-+#endif /* __KERNEL__ */
-+#else /* _VX_SCHED_H */
-+#warning duplicate inclusion
-+#endif /* _VX_SCHED_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/signal_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/signal_cmd.h
---- linux-2.6.37/include/linux/vserver/signal_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/signal_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,43 @@
-+#ifndef _VX_SIGNAL_CMD_H
-+#define _VX_SIGNAL_CMD_H
++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);
++}
+
+
-+/* signalling vserver commands */
++/* return values:
++ +1 ... no limit hit
++ -1 ... over soft limit
++ 0 ... over hard limit */
+
-+#define VCMD_ctx_kill VC_CMD(PROCTRL, 1, 0)
-+#define VCMD_wait_exit VC_CMD(EVENT, 99, 0)
++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;
+
-+struct vcmd_ctx_kill_v0 {
-+ int32_t pid;
-+ int32_t sig;
-+};
++ 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;
+
-+struct vcmd_wait_exit_v0 {
-+ int32_t reboot_cmd;
-+ int32_t exit_code;
-+};
++ limit = &vxi->limit;
++ value = __rlim_get(limit, res);
+
-+#ifdef __KERNEL__
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
+
-+extern int vc_ctx_kill(struct vx_info *, void __user *);
-+extern int vc_wait_exit(struct vx_info *, void __user *);
++ if (num == 0)
++ return 1;
+
-+#endif /* __KERNEL__ */
++ if (__rlim_soft(limit, res) == RLIM_INFINITY)
++ return -1;
++ if (value + num <= __rlim_soft(limit, res))
++ return -1;
+
-+/* process alteration commands */
++ if (__rlim_hard(limit, res) == RLIM_INFINITY)
++ return 1;
++ if (value + num <= __rlim_hard(limit, res))
++ return 1;
+
-+#define VCMD_get_pflags VC_CMD(PROCALT, 5, 0)
-+#define VCMD_set_pflags VC_CMD(PROCALT, 6, 0)
++ __rlim_hit(limit, res);
++ return 0;
++}
+
-+struct vcmd_pflags_v0 {
-+ uint32_t flagword;
-+ uint32_t mask;
-+};
+
-+#ifdef __KERNEL__
++static const int VLA_RSS[] = { RLIMIT_RSS, VLIMIT_ANON, VLIMIT_MAPPED, 0 };
+
-+extern int vc_get_pflags(uint32_t pid, void __user *);
-+extern int vc_set_pflags(uint32_t pid, void __user *);
++static inline
++rlim_t __vx_cres_array_sum(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value, sum = 0;
++ int res;
+
-+#endif /* __KERNEL__ */
-+#endif /* _VX_SIGNAL_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/signal.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/signal.h
---- linux-2.6.37/include/linux/vserver/signal.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/signal.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,14 @@
-+#ifndef _VX_SIGNAL_H
-+#define _VX_SIGNAL_H
++ while ((res = *array++)) {
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
++ sum += value;
++ }
++ return sum;
++}
+
++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;
+
-+#ifdef __KERNEL__
++ if (value == __rlim_get(limit, res))
++ return value;
+
-+struct vx_info;
++ __rlim_set(limit, res, value);
++ /* now adjust min/max */
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
+
-+int vx_info_kill(struct vx_info *, int, int);
++ return value;
++}
+
-+#endif /* __KERNEL__ */
-+#else /* _VX_SIGNAL_H */
-+#warning duplicate inclusion
-+#endif /* _VX_SIGNAL_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/space_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/space_cmd.h
---- linux-2.6.37/include/linux/vserver/space_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/space_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,38 @@
-+#ifndef _VX_SPACE_CMD_H
-+#define _VX_SPACE_CMD_H
++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;
+
-+#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)
++ limit = &vxi->limit;
++ res = *array;
++ value = __vx_cres_array_sum(limit, array + 1);
+
-+#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)
++ __rlim_set(limit, res, value);
++ __vx_cres_fixup(limit, res, value);
+
-+#define VCMD_get_space_mask_v0 VC_CMD(PROCALT, 4, 0)
++ return __vx_cres_avail(vxi, res, num, _file, _line);
++}
+
-+#define VCMD_get_space_mask VC_CMD(VSPACE, 0, 1)
-+#define VCMD_get_space_default VC_CMD(VSPACE, 1, 0)
+
++static inline void vx_limit_fixup(struct _vx_limit *limit, int id)
++{
++ rlim_t value;
++ int res;
+
-+struct vcmd_space_mask_v1 {
-+ uint64_t mask;
-+};
++ /* complex resources first */
++ if ((id < 0) || (id == RLIMIT_RSS))
++ __vx_cres_array_fixup(limit, VLA_RSS);
+
-+struct vcmd_space_mask_v2 {
-+ uint64_t mask;
-+ uint32_t index;
-+};
++ for (res = 0; res < NUM_LIMITS; res++) {
++ if ((id > 0) && (res != id))
++ continue;
+
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
+
-+#ifdef __KERNEL__
++ /* 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_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-2.6.37/include/linux/vserver/space.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/space.h
---- linux-2.6.37/include/linux/vserver/space.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/space.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,12 @@
-+#ifndef _VX_SPACE_H
-+#define _VX_SPACE_H
++#endif /* _VSERVER_LIMIT_INT_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/monitor.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/monitor.h
+--- linux-4.4.111/include/linux/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/monitor.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,6 @@
++#ifndef _VSERVER_MONITOR_H
++#define _VSERVER_MONITOR_H
+
-+#include <linux/types.h>
++#include <uapi/vserver/monitor.h>
+
-+struct vx_info;
++#endif /* _VSERVER_MONITOR_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/network.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/network.h
+--- linux-4.4.111/include/linux/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/network.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,76 @@
++#ifndef _VSERVER_NETWORK_H
++#define _VSERVER_NETWORK_H
+
-+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-2.6.37/include/linux/vserver/switch.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/switch.h
---- linux-2.6.37/include/linux/vserver/switch.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/switch.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,98 @@
-+#ifndef _VX_SWITCH_H
-+#define _VX_SWITCH_H
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <linux/in.h>
++#include <linux/in6.h>
++#include <asm/atomic.h>
++#include <uapi/vserver/network.h>
+
-+#include <linux/types.h>
++struct nx_addr_v4 {
++ struct nx_addr_v4 *next;
++ struct in_addr ip[2];
++ struct in_addr mask;
++ uint16_t type;
++ uint16_t flags;
++};
+
++struct nx_addr_v6 {
++ struct nx_addr_v6 *next;
++ struct in6_addr ip;
++ struct in6_addr mask;
++ uint32_t prefix;
++ uint16_t type;
++ uint16_t flags;
++};
+
-+#define VC_CATEGORY(c) (((c) >> 24) & 0x3F)
-+#define VC_COMMAND(c) (((c) >> 16) & 0xFF)
-+#define VC_VERSION(c) ((c) & 0xFFF)
++struct nx_info {
++ struct hlist_node nx_hlist; /* linked list of nxinfos */
++ vnid_t nx_id; /* vnet id */
++ atomic_t nx_usecnt; /* usage count */
++ atomic_t nx_tasks; /* tasks count */
++ int nx_state; /* context state */
+
-+#define VC_CMD(c, i, v) ((((VC_CAT_ ## c) & 0x3F) << 24) \
-+ | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
++ 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 */
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 v6; /* First/Single ipv6 address */
++#endif
++ char nx_name[65]; /* network context name */
++};
+
-+ 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|
-+ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++/* status flags */
+
-+*/
++#define NXS_HASHED 0x0001
++#define NXS_SHUTDOWN 0x0100
++#define NXS_RELEASED 0x8000
+
-+#define VC_CAT_VERSION 0
++extern struct nx_info *lookup_nx_info(int);
+
-+#define VC_CAT_VSETUP 1
-+#define VC_CAT_VHOST 2
++extern int get_nid_list(int, unsigned int *, int);
++extern int nid_is_hashed(vnid_t);
+
-+#define VC_CAT_DEVICE 6
++extern int nx_migrate_task(struct task_struct *, struct nx_info *);
+
-+#define VC_CAT_VPROC 9
-+#define VC_CAT_PROCALT 10
-+#define VC_CAT_PROCMIG 11
-+#define VC_CAT_PROCTRL 12
++extern long vs_net_change(struct nx_info *, unsigned int);
+
-+#define VC_CAT_SCHED 14
-+#define VC_CAT_MEMCTRL 20
++struct sock;
+
-+#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 NX_IPV4(n) ((n)->v4.type != NXA_TYPE_NONE)
++#ifdef CONFIG_IPV6
++#define NX_IPV6(n) ((n)->v6.type != NXA_TYPE_NONE)
++#else
++#define NX_IPV6(n) (0)
++#endif
+
-+#define VC_CAT_VSTAT 40
-+#define VC_CAT_VINFO 46
-+#define VC_CAT_EVENT 48
++#endif /* _VSERVER_NETWORK_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/network_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/network_cmd.h
+--- linux-4.4.111/include/linux/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/network_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_NETWORK_CMD_H
++#define _VSERVER_NETWORK_CMD_H
+
-+#define VC_CAT_FLAGS 52
-+#define VC_CAT_VSPACE 54
-+#define VC_CAT_DEBUG 56
-+#define VC_CAT_RLIMIT 60
++#include <uapi/vserver/network_cmd.h>
+
-+#define VC_CAT_SYSTEST 61
-+#define VC_CAT_COMPAT 63
++extern int vc_task_nid(uint32_t);
+
-+/* query version */
++extern int vc_nx_info(struct nx_info *, void __user *);
+
-+#define VCMD_get_version VC_CMD(VERSION, 0, 0)
-+#define VCMD_get_vci VC_CMD(VERSION, 1, 0)
++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 *);
+
-+#ifdef __KERNEL__
++extern int vc_net_add_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_add_ipv4(struct nx_info *, void __user *);
+
-+#include <linux/errno.h>
++extern int vc_net_rem_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_rem_ipv4(struct nx_info *, void __user *);
+
-+#endif /* __KERNEL__ */
++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 *);
+
-+#endif /* _VX_SWITCH_H */
++extern int vc_get_nflags(struct nx_info *, void __user *);
++extern int vc_set_nflags(struct nx_info *, void __user *);
+
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/tag_cmd.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/tag_cmd.h
---- linux-2.6.37/include/linux/vserver/tag_cmd.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/tag_cmd.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,22 @@
-+#ifndef _VX_TAG_CMD_H
-+#define _VX_TAG_CMD_H
++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-4.4.111/include/linux/vserver/percpu.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/percpu.h
+--- linux-4.4.111/include/linux/vserver/percpu.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/percpu.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_PERCPU_H
++#define _VSERVER_PERCPU_H
+
-+/* vinfo commands */
++#include "cvirt_def.h"
++#include "sched_def.h"
++
++struct _vx_percpu {
++ struct _vx_cvirt_pc cvirt;
++ struct _vx_sched_pc sched;
++};
++
++#define PERCPU_PERCTX (sizeof(struct _vx_percpu))
++
++#endif /* _VSERVER_PERCPU_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/pid.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/pid.h
+--- linux-4.4.111/include/linux/vserver/pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/pid.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,51 @@
++#ifndef _VSERVER_PID_H
++#define _VSERVER_PID_H
++
++/* pid faking stuff */
++
++#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_tgid(p) vx_map_pid(p)
++
++static inline int __vx_info_map_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_map_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid && pid == vxi->vx_initpid) ? 1 : pid,
++ func, file, line);
++ if (pid == 0)
++ return 0;
++ if (pid == vxi->vx_initpid)
++ return 1;
++ }
++ return 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_tgid(p) vx_rmap_pid(p)
++
++static inline int __vx_info_rmap_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_rmap_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid == 1) ? vxi->vx_initpid : pid,
++ func, file, line);
++ if ((pid == 1) && vxi->vx_initpid)
++ return vxi->vx_initpid;
++ if (pid == vxi->vx_initpid)
++ return ~0U;
++ }
++ return pid;
++}
++
++#endif
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/sched.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/sched.h
+--- linux-4.4.111/include/linux/vserver/sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/sched.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _VSERVER_SCHED_H
++#define _VSERVER_SCHED_H
+
-+#define VCMD_task_tag VC_CMD(VINFO, 3, 0)
+
+#ifdef __KERNEL__
-+extern int vc_task_tag(uint32_t);
++
++struct timespec;
++
++void vx_vsi_uptime(struct timespec *, struct timespec *);
++
++
++struct vx_info;
++
++void vx_update_load(struct vx_info *);
++
++
++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-4.4.111/include/linux/vserver/sched_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/sched_cmd.h
+--- linux-4.4.111/include/linux/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/sched_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,11 @@
++#ifndef _VSERVER_SCHED_CMD_H
++#define _VSERVER_SCHED_CMD_H
+
-+/* context commands */
+
-+#define VCMD_tag_migrate VC_CMD(TAGMIG, 1, 0)
++#include <linux/compiler.h>
++#include <uapi/vserver/sched_cmd.h>
++
++extern int vc_set_prio_bias(struct vx_info *, void __user *);
++extern int vc_get_prio_bias(struct vx_info *, void __user *);
++
++#endif /* _VSERVER_SCHED_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/sched_def.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/sched_def.h
+--- linux-4.4.111/include/linux/vserver/sched_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/sched_def.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,38 @@
++#ifndef _VSERVER_SCHED_DEF_H
++#define _VSERVER_SCHED_DEF_H
++
++#include <linux/spinlock.h>
++#include <linux/jiffies.h>
++#include <linux/cpumask.h>
++#include <asm/atomic.h>
++#include <asm/param.h>
++
++
++/* context sub struct */
++
++struct _vx_sched {
++ int prio_bias; /* bias offset for priority */
++
++ cpumask_t update; /* CPUs which should update */
++};
++
++struct _vx_sched_pc {
++ int prio_bias; /* bias offset for priority */
++
++ uint64_t user_ticks; /* token tick events */
++ uint64_t sys_ticks; /* token tick events */
++ uint64_t hold_ticks; /* token ticks paused */
++};
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_sched(struct _vx_sched *sched)
++{
++ printk("\t_vx_sched:\n");
++ printk("\t priority = %4d\n", sched->prio_bias);
++}
++
++#endif
++
++#endif /* _VSERVER_SCHED_DEF_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/signal.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/signal.h
+--- linux-4.4.111/include/linux/vserver/signal.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/signal.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_SIGNAL_H
++#define _VSERVER_SIGNAL_H
++
+
+#ifdef __KERNEL__
-+extern int vc_tag_migrate(uint32_t);
++
++struct vx_info;
++
++int vx_info_kill(struct vx_info *, int, int);
+
+#endif /* __KERNEL__ */
-+#endif /* _VX_TAG_CMD_H */
-diff -NurpP --minimal linux-2.6.37/include/linux/vserver/tag.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/tag.h
---- linux-2.6.37/include/linux/vserver/tag.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vserver/tag.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,143 @@
++#else /* _VSERVER_SIGNAL_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SIGNAL_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/signal_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/signal_cmd.h
+--- linux-4.4.111/include/linux/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/signal_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_SIGNAL_CMD_H
++#define _VSERVER_SIGNAL_CMD_H
++
++#include <uapi/vserver/signal_cmd.h>
++
++
++extern int vc_ctx_kill(struct vx_info *, void __user *);
++extern int vc_wait_exit(struct vx_info *, void __user *);
++
++
++extern int vc_get_pflags(uint32_t pid, void __user *);
++extern int vc_set_pflags(uint32_t pid, void __user *);
++
++#endif /* _VSERVER_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/space.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/space.h
+--- linux-4.4.111/include/linux/vserver/space.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/space.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _VSERVER_SPACE_H
++#define _VSERVER_SPACE_H
++
++#include <linux/types.h>
++
++struct vx_info;
++
++int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index);
++
++#else /* _VSERVER_SPACE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SPACE_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/space_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/space_cmd.h
+--- linux-4.4.111/include/linux/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/space_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_SPACE_CMD_H
++#define _VSERVER_SPACE_CMD_H
++
++#include <uapi/vserver/space_cmd.h>
++
++
++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 /* _VSERVER_SPACE_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/switch.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/switch.h
+--- linux-4.4.111/include/linux/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/switch.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,8 @@
++#ifndef _VSERVER_SWITCH_H
++#define _VSERVER_SWITCH_H
++
++
++#include <linux/errno.h>
++#include <uapi/vserver/switch.h>
++
++#endif /* _VSERVER_SWITCH_H */
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/tag.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/tag.h
+--- linux-4.4.111/include/linux/vserver/tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/tag.h 2018-01-09 16:36:32.000000000 +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-2.6.37/include/linux/vs_inet6.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_inet6.h
---- linux-2.6.37/include/linux/vs_inet6.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_inet6.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,246 @@
-+#ifndef _VS_INET6_H
-+#define _VS_INET6_H
+diff -NurpP --minimal linux-4.4.111/include/linux/vserver/tag_cmd.h linux-4.4.111-vs2.3.9.5/include/linux/vserver/tag_cmd.h
+--- linux-4.4.111/include/linux/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/linux/vserver/tag_cmd.h 2018-01-09 16:36:32.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_TAG_CMD_H
++#define _VSERVER_TAG_CMD_H
+
-+#include "vserver/base.h"
-+#include "vserver/network.h"
-+#include "vserver/debug.h"
++#include <uapi/vserver/tag_cmd.h>
+
-+#include <net/ipv6.h>
++extern int vc_task_tag(uint32_t);
+
-+#define NXAV6(a) &(a)->ip, &(a)->mask, (a)->prefix, (a)->type
-+#define NXAV6_FMT "[%pI6/%pI6/%d:%04x]"
++extern int vc_tag_migrate(uint32_t);
+
++#endif /* _VSERVER_TAG_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/net/addrconf.h linux-4.4.111-vs2.3.9.5/include/net/addrconf.h
+--- linux-4.4.111/include/net/addrconf.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/net/addrconf.h 2018-01-09 16:36:32.000000000 +0000
+@@ -84,7 +84,7 @@ 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-4.4.111/include/net/af_unix.h linux-4.4.111-vs2.3.9.5/include/net/af_unix.h
+--- linux-4.4.111/include/net/af_unix.h 2018-01-11 07:57:48.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/net/af_unix.h 2018-01-09 16:36:32.000000000 +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 user_struct *user, struct file *fp);
+diff -NurpP --minimal linux-4.4.111/include/net/inet_timewait_sock.h linux-4.4.111-vs2.3.9.5/include/net/inet_timewait_sock.h
+--- linux-4.4.111/include/net/inet_timewait_sock.h 2016-07-05 04:15:11.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/net/inet_timewait_sock.h 2018-01-09 16:40:17.000000000 +0000
+@@ -71,6 +71,10 @@ struct inet_timewait_sock {
+ #define tw_num __tw_common.skc_num
+ #define tw_cookie __tw_common.skc_cookie
+ #define tw_dr __tw_common.skc_tw_dr
++#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-4.4.111/include/net/ip6_route.h linux-4.4.111-vs2.3.9.5/include/net/ip6_route.h
+--- linux-4.4.111/include/net/ip6_route.h 2018-01-11 07:57:49.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/net/ip6_route.h 2018-01-09 16:36:32.000000000 +0000
+@@ -90,7 +90,7 @@ 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-4.4.111/include/net/route.h linux-4.4.111-vs2.3.9.5/include/net/route.h
+--- linux-4.4.111/include/net/route.h 2016-07-05 04:15:11.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/net/route.h 2018-01-09 16:39:47.000000000 +0000
+@@ -223,6 +223,9 @@ static inline void ip_rt_put(struct rtab
+ dst_release(&rt->dst);
+ }
+
++#include <linux/vs_base.h>
++#include <linux/vs_inet.h>
+
-+#ifdef CONFIG_IPV6
+ #define IPTOS_RT_MASK (IPTOS_TOS_MASK & ~3)
+
+ extern const __u8 ip_tos2prio[16];
+@@ -270,6 +273,9 @@ 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(struct nx_addr_v6 *nxa,
-+ const struct in6_addr *addr, uint16_t mask)
-+{
-+ int ret = 0;
+ static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
+ __be32 dst, __be32 src, u32 tos,
+ int oif, u8 protocol,
+@@ -278,6 +284,7 @@ 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);
+@@ -291,7 +298,21 @@ static inline struct rtable *ip_route_co
+
+ src = fl4->saddr;
+ }
+- if (!dst || !src) {
+
-+ 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;
-+}
++ if (sk)
++ nx_info = sk->sk_nx_info;
+
-+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;
++ 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 (!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],%pI6,%04x) = %d",
-+ nxi, nxi ? nxi->nx_id : 0, addr, mask, ret);
-+ return ret;
-+}
++ 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-4.4.111/include/net/sock.h linux-4.4.111-vs2.3.9.5/include/net/sock.h
+--- linux-4.4.111/include/net/sock.h 2018-01-11 07:57:49.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/net/sock.h 2018-01-09 16:41:40.000000000 +0000
+@@ -201,6 +201,10 @@ struct sock_common {
+ struct in6_addr skc_v6_daddr;
+ struct in6_addr skc_v6_rcv_saddr;
+ #endif
++ vxid_t skc_xid;
++ struct vx_info *skc_vx_info;
++ vnid_t skc_nid;
++ struct nx_info *skc_nx_info;
+
+ atomic64_t skc_cookie;
+
+@@ -349,8 +353,12 @@ 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_cookie __sk_common.skc_cookie
++#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
+ #define sk_incoming_cpu __sk_common.skc_incoming_cpu
+ #define sk_flags __sk_common.skc_flags
+ #define sk_rxhash __sk_common.skc_rxhash
+diff -NurpP --minimal linux-4.4.111/include/uapi/Kbuild linux-4.4.111-vs2.3.9.5/include/uapi/Kbuild
+--- linux-4.4.111/include/uapi/Kbuild 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/Kbuild 2018-01-09 16:36:32.000000000 +0000
+@@ -13,3 +13,4 @@ header-y += drm/
+ header-y += xen/
+ header-y += scsi/
+ header-y += misc/
++header-y += vserver/
+diff -NurpP --minimal linux-4.4.111/include/uapi/linux/capability.h linux-4.4.111-vs2.3.9.5/include/uapi/linux/capability.h
+--- linux-4.4.111/include/uapi/linux/capability.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/linux/capability.h 2018-01-09 16:36:32.000000000 +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 */
+
-+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);
-+}
++#define CAP_CONTEXT 63
+
-+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;
++#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-4.4.111/include/uapi/linux/fs.h linux-4.4.111-vs2.3.9.5/include/uapi/linux/fs.h
+--- linux-4.4.111/include/uapi/linux/fs.h 2016-07-05 04:15:11.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/linux/fs.h 2018-01-09 16:47:48.000000000 +0000
+@@ -91,6 +91,9 @@ struct inodes_stat_t {
+ #define MS_I_VERSION (1<<23) /* Update inode I_version field */
+ #define MS_STRICTATIME (1<<24) /* Always perform atime updates */
+ #define MS_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */
++#define MS_TAGGED (1<<8) /* use generic inode tagging */
++#define MS_NOTAGCHECK (1<<9) /* don't check tags */
++#define MS_TAGID (1<<26) /* use specific tag for this mount */
+
+ /* These sb flags are internal to the kernel */
+ #define MS_NOSEC (1<<28)
+@@ -197,12 +200,15 @@ 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_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
+ #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 */
+
-+ for (ptr = &nxi->v6; ptr; ptr = ptr->next)
-+ if (v6_nx_addr_match(ptr, nxa, mask))
-+ return 1;
-+ return 0;
-+}
++#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-4.4.111/include/uapi/linux/gfs2_ondisk.h linux-4.4.111-vs2.3.9.5/include/uapi/linux/gfs2_ondisk.h
+--- linux-4.4.111/include/uapi/linux/gfs2_ondisk.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/linux/gfs2_ondisk.h 2018-01-09 16:36:32.000000000 +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-4.4.111/include/uapi/linux/if_tun.h linux-4.4.111-vs2.3.9.5/include/uapi/linux/if_tun.h
+--- linux-4.4.111/include/uapi/linux/if_tun.h 2015-10-29 09:21:42.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/linux/if_tun.h 2018-01-09 16:46:34.000000000 +0000
+@@ -56,6 +56,7 @@
+ */
+ #define TUNSETVNETBE _IOW('T', 222, int)
+ #define TUNGETVNETBE _IOR('T', 223, int)
++#define TUNSETNID _IOW('T', 224, int)
+
+ /* TUNSETIFF ifr flags */
+ #define IFF_TUN 0x0001
+diff -NurpP --minimal linux-4.4.111/include/uapi/linux/major.h linux-4.4.111-vs2.3.9.5/include/uapi/linux/major.h
+--- linux-4.4.111/include/uapi/linux/major.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/linux/major.h 2018-01-09 16:36:33.000000000 +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-4.4.111/include/uapi/linux/nfs_mount.h linux-4.4.111-vs2.3.9.5/include/uapi/linux/nfs_mount.h
+--- linux-4.4.111/include/uapi/linux/nfs_mount.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/linux/nfs_mount.h 2018-01-09 16:36:33.000000000 +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-4.4.111/include/uapi/linux/reboot.h linux-4.4.111-vs2.3.9.5/include/uapi/linux/reboot.h
+--- linux-4.4.111/include/uapi/linux/reboot.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/linux/reboot.h 2018-01-09 16:36:33.000000000 +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-4.4.111/include/uapi/linux/sysctl.h linux-4.4.111-vs2.3.9.5/include/uapi/linux/sysctl.h
+--- linux-4.4.111/include/uapi/linux/sysctl.h 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/linux/sysctl.h 2018-01-09 16:36:33.000000000 +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-4.4.111/include/uapi/vserver/Kbuild linux-4.4.111-vs2.3.9.5/include/uapi/vserver/Kbuild
+--- linux-4.4.111/include/uapi/vserver/Kbuild 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/Kbuild 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,9 @@
+
++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
+
-+/*
-+ * 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);
++header-y += switch.h context.h network.h monitor.h \
++ limit.h inode.h device.h
+
-+ 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;
-+}
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/cacct_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/cacct_cmd.h
+--- linux-4.4.111/include/uapi/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/cacct_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _UAPI_VS_CACCT_CMD_H
++#define _UAPI_VS_CACCT_CMD_H
+
-+/*
-+ * 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;
-+ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++/* virtual host info name commands */
+
-+ 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 VCMD_sock_stat VC_CMD(VSTAT, 5, 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;
-+ }
-+}
++struct vcmd_sock_stat_v0 {
++ uint32_t field;
++ uint32_t count[3];
++ uint64_t total[3];
++};
+
++#endif /* _UAPI_VS_CACCT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/context.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/context.h
+--- linux-4.4.111/include/uapi/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/context.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,81 @@
++#ifndef _UAPI_VS_CONTEXT_H
++#define _UAPI_VS_CONTEXT_H
+
-+/* inet related checks and helpers */
++#include <linux/types.h>
++#include <linux/capability.h>
+
+
-+struct in_ifaddr;
-+struct net_device;
-+struct sock;
++/* context flags */
+
++#define VXF_INFO_SCHED 0x00000002
++#define VXF_INFO_NPROC 0x00000004
++#define VXF_INFO_PRIVATE 0x00000008
+
-+#include <linux/netdevice.h>
-+#include <linux/inetdevice.h>
-+#include <net/inet_timewait_sock.h>
++#define VXF_INFO_INIT 0x00000010
++#define VXF_INFO_HIDE 0x00000020
++#define VXF_INFO_ULIMIT 0x00000040
++#define VXF_INFO_NSPACE 0x00000080
+
++#define VXF_SCHED_HARD 0x00000100
++#define VXF_SCHED_PRIO 0x00000200
++#define VXF_SCHED_PAUSE 0x00000400
+
-+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 VXF_VIRT_MEM 0x00010000
++#define VXF_VIRT_UPTIME 0x00020000
++#define VXF_VIRT_CPU 0x00040000
++#define VXF_VIRT_LOAD 0x00080000
++#define VXF_VIRT_TIME 0x00100000
+
++#define VXF_HIDE_MOUNT 0x01000000
++/* was VXF_HIDE_NETIF 0x02000000 */
++#define VXF_HIDE_VINFO 0x04000000
+
++#define VXF_STATE_SETUP (1ULL << 32)
++#define VXF_STATE_INIT (1ULL << 33)
++#define VXF_STATE_ADMIN (1ULL << 34)
+
-+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);
-+}
++#define VXF_SC_HELPER (1ULL << 36)
++#define VXF_REBOOT_KILL (1ULL << 37)
++#define VXF_PERSISTENT (1ULL << 38)
+
-+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);
++#define VXF_FORK_RSS (1ULL << 48)
++#define VXF_PROLIFIC (1ULL << 49)
+
-+ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
-+ return 1;
-+ if (v6_ifa_in_nx_info(ifa, nxi))
-+ return 1;
-+ return 0;
-+}
++#define VXF_IGNEG_NICE (1ULL << 52)
+
++#define VXF_ONE_TIME (0x0007ULL << 32)
+
-+struct nx_v6_sock_addr {
-+ struct in6_addr saddr; /* Address used for validation */
-+ struct in6_addr baddr; /* Address used for socket bind */
-+};
++#define VXF_INIT_SET (VXF_STATE_SETUP | VXF_STATE_INIT | VXF_STATE_ADMIN)
+
-+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;
+
-+ nsa->saddr = saddr;
-+ nsa->baddr = baddr;
-+ return 0;
-+}
++/* context migration */
+
-+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 VXM_SET_INIT 0x00000001
++#define VXM_SET_REAPER 0x00000002
+
-+ // *saddr = nsa->baddr;
-+ // inet->inet_saddr = nsa->baddr;
-+}
++/* context caps */
+
-+static inline
-+int nx_info_has_v6(struct nx_info *nxi)
-+{
-+ if (!nxi)
-+ return 1;
-+ if (NX_IPV6(nxi))
-+ return 1;
-+ return 0;
-+}
++#define VXC_SET_UTSNAME 0x00000001
++#define VXC_SET_RLIMIT 0x00000002
++#define VXC_FS_SECURITY 0x00000004
++#define VXC_FS_TRUSTED 0x00000008
++#define VXC_TIOCSTI 0x00000010
+
-+#else /* CONFIG_IPV6 */
++/* was VXC_RAW_ICMP 0x00000100 */
++#define VXC_SYSLOG 0x00001000
++#define VXC_OOM_ADJUST 0x00002000
++#define VXC_AUDIT_CONTROL 0x00004000
+
-+static inline
-+int nx_v6_dev_visible(struct nx_info *n, struct net_device *d)
-+{
-+ return 1;
-+}
++#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 nx_v6_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
-+{
-+ return 1;
-+}
++#define VXC_KTHREAD 0x01000000
++#define VXC_NAMESPACE 0x02000000
+
-+static inline
-+int v6_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
-+{
-+ return 1;
-+}
++#endif /* _UAPI_VS_CONTEXT_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/context_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/context_cmd.h
+--- linux-4.4.111/include/uapi/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/context_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,115 @@
++#ifndef _UAPI_VS_CONTEXT_CMD_H
++#define _UAPI_VS_CONTEXT_CMD_H
+
-+static inline
-+int nx_info_has_v6(struct nx_info *nxi)
-+{
-+ return 0;
-+}
+
-+#endif /* CONFIG_IPV6 */
++/* vinfo commands */
+
-+#define current_nx_info_has_v6() \
-+ nx_info_has_v6(current_nx_info())
++#define VCMD_task_xid VC_CMD(VINFO, 1, 0)
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_inet.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_inet.h
---- linux-2.6.37/include/linux/vs_inet.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_inet.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,351 @@
-+#ifndef _VS_INET_H
-+#define _VS_INET_H
+
-+#include "vserver/base.h"
-+#include "vserver/network.h"
-+#include "vserver/debug.h"
++#define VCMD_vx_info VC_CMD(VINFO, 5, 0)
+
-+#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
++struct vcmd_vx_info_v0 {
++ uint32_t xid;
++ uint32_t initpid;
++ /* more to come */
++};
+
-+#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 NIPQUAD(addr) \
-+ ((unsigned char *)&addr)[0], \
-+ ((unsigned char *)&addr)[1], \
-+ ((unsigned char *)&addr)[2], \
-+ ((unsigned char *)&addr)[3]
++#define VCMD_ctx_stat VC_CMD(VSTAT, 0, 0)
+
-+#define NIPQUAD_FMT "%u.%u.%u.%u"
++struct vcmd_ctx_stat_v0 {
++ uint32_t usecnt;
++ uint32_t tasks;
++ /* more to come */
++};
+
+
-+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;
++/* context commands */
+
-+ 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;
-+ }
++#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0)
++#define VCMD_ctx_create VC_CMD(VPROC, 1, 1)
+
-+ vxdprintk(VXD_CBIT(net, 0),
-+ "v4_addr_match(%p" NXAV4_FMT "," NIPQUAD_FMT ",%04x) = %d",
-+ nxa, NXAV4(nxa), NIPQUAD(addr), tmask, ret);
-+ return ret;
-+}
++struct vcmd_ctx_create {
++ uint64_t flagword;
++};
+
-+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;
++#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0)
++#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1)
+
-+ if (!nxi)
-+ goto out;
++struct vcmd_ctx_migrate {
++ uint64_t flagword;
++};
+
-+ 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);
-+}
+
-+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;
++/* flag commands */
+
-+ for (ptr = &nxi->v4; ptr; ptr = ptr->next)
-+ if (v4_nx_addr_match(ptr, nxa, mask))
-+ return 1;
-+ return 0;
-+}
++#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
++#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
+
-+#include <net/inet_sock.h>
++struct vcmd_ctx_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
+
-+/*
-+ * 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->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;
-+}
+
++/* context caps commands */
+
-+/* inet related checks and helpers */
++#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;
++};
+
-+struct in_ifaddr;
-+struct net_device;
-+struct sock;
+
-+#ifdef CONFIG_INET
+
-+#include <linux/netdevice.h>
-+#include <linux/inetdevice.h>
-+#include <net/inet_sock.h>
-+#include <net/inet_timewait_sock.h>
++/* bcaps commands */
+
++#define VCMD_get_bcaps VC_CMD(FLAGS, 9, 0)
++#define VCMD_set_bcaps VC_CMD(FLAGS, 10, 0)
+
-+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 *);
++struct vcmd_bcaps {
++ uint64_t bcaps;
++ uint64_t bmask;
++};
+
+
-+/*
-+ * 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 nx_info *nxi = sk->sk_nx_info;
-+ __be32 saddr = inet_rcv_saddr(sk);
++/* umask commands */
+
-+ 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));
++#define VCMD_get_umask VC_CMD(FLAGS, 13, 0)
++#define VCMD_set_umask VC_CMD(FLAGS, 14, 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;
-+ }
-+}
++struct vcmd_umask {
++ uint64_t umask;
++ uint64_t mask;
++};
+
+
+
-+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 " VS_Q("%s") ") %d",
-+ nxi, nxi ? nxi->nx_id : 0, dev, dev->name,
-+ nxi ? dev_in_nx_info(dev, nxi) : 0);
++/* wmask commands */
+
-+ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
-+ return 1;
-+ if (dev_in_nx_info(dev, nxi))
-+ return 1;
-+ return 0;
-+}
++#define VCMD_get_wmask VC_CMD(FLAGS, 15, 0)
++#define VCMD_set_wmask VC_CMD(FLAGS, 16, 0)
+
++struct vcmd_wmask {
++ uint64_t wmask;
++ uint64_t mask;
++};
+
-+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);
-+}
+
-+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);
+
-+ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
-+ return 1;
-+ if (v4_ifa_in_nx_info(ifa, nxi))
-+ return 1;
-+ return 0;
-+}
++/* OOM badness */
+
++#define VCMD_get_badness VC_CMD(MEMCTRL, 5, 0)
++#define VCMD_set_badness VC_CMD(MEMCTRL, 6, 0)
+
-+struct nx_v4_sock_addr {
-+ __be32 saddr; /* Address used for validation */
-+ __be32 baddr; /* Address used for socket bind */
++struct vcmd_badness_v0 {
++ int64_t bias;
+};
+
-+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;
++#endif /* _UAPI_VS_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/cvirt_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/cvirt_cmd.h
+--- linux-4.4.111/include/uapi/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/cvirt_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,41 @@
++#ifndef _UAPI_VS_CVIRT_CMD_H
++#define _UAPI_VS_CVIRT_CMD_H
+
-+ 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;
-+ }
-+ }
++/* virtual host info name commands */
+
-+ vxdprintk(VXD_CBIT(net, 3),
-+ "inet_bind(%p) " NIPQUAD_FMT ", " NIPQUAD_FMT,
-+ sk, NIPQUAD(saddr), NIPQUAD(baddr));
++#define VCMD_set_vhi_name VC_CMD(VHOST, 1, 0)
++#define VCMD_get_vhi_name VC_CMD(VHOST, 2, 0)
+
-+ nsa->saddr = saddr;
-+ nsa->baddr = baddr;
-+ return 0;
-+}
++struct vcmd_vhi_name_v0 {
++ uint32_t field;
++ char name[65];
++};
+
-+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;
-+}
+
++enum vhi_name_field {
++ VHIN_CONTEXT = 0,
++ VHIN_SYSNAME,
++ VHIN_NODENAME,
++ VHIN_RELEASE,
++ VHIN_VERSION,
++ VHIN_MACHINE,
++ VHIN_DOMAINNAME,
++};
+
-+/*
-+ * 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;
-+}
+
-+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;
-+}
++#define VCMD_virt_stat VC_CMD(VSTAT, 3, 0)
+
-+#else /* CONFIG_INET */
++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];
++};
+
-+static inline
-+int nx_dev_visible(struct nx_info *n, struct net_device *d)
-+{
-+ return 1;
-+}
++#endif /* _UAPI_VS_CVIRT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/debug_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/debug_cmd.h
+--- linux-4.4.111/include/uapi/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/debug_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,24 @@
++#ifndef _UAPI_VS_DEBUG_CMD_H
++#define _UAPI_VS_DEBUG_CMD_H
+
-+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;
-+}
++/* debug commands */
+
-+static inline
-+int nx_info_has_v4(struct nx_info *nxi)
-+{
-+ return 0;
-+}
++#define VCMD_dump_history VC_CMD(DEBUG, 1, 0)
+
-+#endif /* CONFIG_INET */
++#define VCMD_read_history VC_CMD(DEBUG, 5, 0)
++#define VCMD_read_monitor VC_CMD(DEBUG, 6, 0)
+
-+#define current_nx_info_has_v4() \
-+ nx_info_has_v4(current_nx_info())
++struct vcmd_read_history_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
+
-+#else
-+// #warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_limit.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_limit.h
---- linux-2.6.37/include/linux/vs_limit.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_limit.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,140 @@
-+#ifndef _VS_LIMIT_H
-+#define _VS_LIMIT_H
++struct vcmd_read_monitor_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
+
-+#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"
++#endif /* _UAPI_VS_DEBUG_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/device.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/device.h
+--- linux-4.4.111/include/uapi/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/device.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _UAPI_VS_DEVICE_H
++#define _UAPI_VS_DEVICE_H
+
+
-+#define vx_acc_cres(v, d, p, r) \
-+ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
++#define DATTR_CREATE 0x00000001
++#define DATTR_OPEN 0x00000002
+
-+#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_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 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 DATTR_REMAP 0x00000010
+
++#define DATTR_MASK 0x00000013
+
-+/* process and file limits */
++#endif /* _UAPI_VS_DEVICE_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/device_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/device_cmd.h
+--- linux-4.4.111/include/uapi/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/device_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,16 @@
++#ifndef _UAPI_VS_DEVICE_CMD_H
++#define _UAPI_VS_DEVICE_CMD_H
+
-+#define vx_nproc_inc(p) \
-+ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
+
-+#define vx_nproc_dec(p) \
-+ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
++/* device vserver commands */
+
-+#define vx_files_inc(f) \
-+ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
++#define VCMD_set_mapping VC_CMD(DEVICE, 1, 0)
++#define VCMD_unset_mapping VC_CMD(DEVICE, 2, 0)
+
-+#define vx_files_dec(f) \
-+ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
++struct vcmd_set_mapping_v0 {
++ const char __user *device;
++ const char __user *target;
++ uint32_t flags;
++};
+
-+#define vx_locks_inc(l) \
-+ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
++#endif /* _UAPI_VS_DEVICE_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/dlimit_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/dlimit_cmd.h
+--- linux-4.4.111/include/uapi/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/dlimit_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _UAPI_VS_DLIMIT_CMD_H
++#define _UAPI_VS_DLIMIT_CMD_H
+
-+#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)
++/* dlimit vserver commands */
+
-+#define vx_openfd_dec(f) \
-+ vx_acc_cres(current_vx_info(),-1, (void *)(long)(f), VLIMIT_OPENFD)
++#define VCMD_add_dlimit VC_CMD(DLIMIT, 1, 0)
++#define VCMD_rem_dlimit VC_CMD(DLIMIT, 2, 0)
+
++#define VCMD_set_dlimit VC_CMD(DLIMIT, 5, 0)
++#define VCMD_get_dlimit VC_CMD(DLIMIT, 6, 0)
+
-+#define vx_cres_avail(v, n, r) \
-+ __vx_cres_avail(v, r, n, __FILE__, __LINE__)
++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;
++};
+
-+#define vx_nproc_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, RLIMIT_NPROC)
++#define CDLIM_UNSET ((uint32_t)0UL)
++#define CDLIM_INFINITY ((uint32_t)~0UL)
++#define CDLIM_KEEP ((uint32_t)~1UL)
+
-+#define vx_files_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, RLIMIT_NOFILE)
++#define DLIME_UNIT 0
++#define DLIME_KILO 1
++#define DLIME_MEGA 2
++#define DLIME_GIGA 3
+
-+#define vx_locks_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, RLIMIT_LOCKS)
++#define DLIMF_SHIFT 0x10
+
-+#define vx_openfd_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, VLIMIT_OPENFD)
++#define DLIMS_USED 0
++#define DLIMS_TOTAL 2
+
++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);
++}
+
-+/* dentry limits */
++static inline
++uint32_t dlimit_space_64to32(uint64_t val, uint32_t *flags, int shift)
++{
++ int exp = 0;
+
-+#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)
++ 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_dentry_dec(d) do { \
-+ if (atomic_read(&d->d_count) == 0) \
-+ vx_acc_cres(current_vx_info(),-1, d, VLIMIT_DENTRY); \
-+ } while (0)
++#endif /* _UAPI_VS_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/inode.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/inode.h
+--- linux-4.4.111/include/uapi/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/inode.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _UAPI_VS_INODE_H
++#define _UAPI_VS_INODE_H
+
-+#define vx_dentry_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, VLIMIT_DENTRY)
+
++#define IATTR_TAG 0x01000000
+
-+/* socket limits */
++#define IATTR_ADMIN 0x00000001
++#define IATTR_WATCH 0x00000002
++#define IATTR_HIDE 0x00000004
++#define IATTR_FLAGS 0x00000007
+
-+#define vx_sock_inc(s) \
-+ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
++#define IATTR_BARRIER 0x00010000
++#define IATTR_IXUNLINK 0x00020000
++#define IATTR_IMMUTABLE 0x00040000
++#define IATTR_COW 0x00080000
+
-+#define vx_sock_dec(s) \
-+ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
+
-+#define vx_sock_avail(n) \
-+ vx_cres_avail(current_vx_info(), n, VLIMIT_NSOCK)
++/* inode ioctls */
+
++#define FIOC_GETXFLG _IOR('x', 5, long)
++#define FIOC_SETXFLG _IOW('x', 6, long)
+
-+/* ipc resource limits */
++#endif /* _UAPI_VS_INODE_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/inode_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/inode_cmd.h
+--- linux-4.4.111/include/uapi/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/inode_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,26 @@
++#ifndef _UAPI_VS_INODE_CMD_H
++#define _UAPI_VS_INODE_CMD_H
+
-+#define vx_ipcmsg_add(v, u, a) \
-+ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
+
-+#define vx_ipcmsg_sub(v, u, a) \
-+ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
++/* inode vserver commands */
+
-+#define vx_ipcmsg_avail(v, a) \
-+ vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
++#define VCMD_get_iattr VC_CMD(INODE, 1, 1)
++#define VCMD_set_iattr VC_CMD(INODE, 2, 1)
+
++#define VCMD_fget_iattr VC_CMD(INODE, 3, 0)
++#define VCMD_fset_iattr VC_CMD(INODE, 4, 0)
+
-+#define vx_ipcshm_add(v, k, a) \
-+ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++struct vcmd_ctx_iattr_v1 {
++ const char __user *name;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
+
-+#define vx_ipcshm_sub(v, k, a) \
-+ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++struct vcmd_ctx_fiattr_v0 {
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
+
-+#define vx_ipcshm_avail(v, a) \
-+ vx_cres_avail(v, a, VLIMIT_SHMEM)
++#endif /* _UAPI_VS_INODE_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/limit.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/limit.h
+--- linux-4.4.111/include/uapi/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/limit.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _UAPI_VS_LIMIT_H
++#define _UAPI_VS_LIMIT_H
+
+
-+#define vx_semary_inc(a) \
-+ vx_acc_cres(current_vx_info(), 1, a, VLIMIT_SEMARY)
++#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
+
-+#define vx_semary_dec(a) \
-+ vx_acc_cres(current_vx_info(), -1, a, VLIMIT_SEMARY)
++#endif /* _UAPI_VS_LIMIT_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/limit_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/limit_cmd.h
+--- linux-4.4.111/include/uapi/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/limit_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _UAPI_VS_LIMIT_CMD_H
++#define _UAPI_VS_LIMIT_CMD_H
+
+
-+#define vx_nsems_add(a,n) \
-+ vx_add_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
++/* rlimit vserver commands */
+
-+#define vx_nsems_sub(a,n) \
-+ vx_sub_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
++#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;
++};
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_memory.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_memory.h
---- linux-2.6.37/include/linux/vs_memory.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_memory.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,58 @@
-+#ifndef _VS_MEMORY_H
-+#define _VS_MEMORY_H
++struct vcmd_ctx_rlimit_mask_v0 {
++ uint32_t minimum;
++ uint32_t softlimit;
++ uint32_t maximum;
++};
+
-+#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_rlimit_stat VC_CMD(VSTAT, 1, 0)
+
-+enum {
-+ VXPT_UNKNOWN = 0,
-+ VXPT_ANON,
-+ VXPT_NONE,
-+ VXPT_FILE,
-+ VXPT_SWAP,
-+ VXPT_WRITE
++struct vcmd_rlimit_stat_v0 {
++ uint32_t id;
++ uint32_t hits;
++ uint64_t value;
++ uint64_t minimum;
++ uint64_t maximum;
+};
+
-+#if 0
-+#define vx_page_fault(mm, vma, type, ret)
-+#else
-+
-+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" };
-+*/
++#define CRLIM_UNSET (0ULL)
++#define CRLIM_INFINITY (~0ULL)
++#define CRLIM_KEEP (~1ULL)
+
-+ if (!vxi)
-+ return;
++#endif /* _UAPI_VS_LIMIT_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/monitor.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/monitor.h
+--- linux-4.4.111/include/uapi/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/monitor.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,96 @@
++#ifndef _UAPI_VS_MONITOR_H
++#define _UAPI_VS_MONITOR_H
+
-+ what = (ret & 0x3);
++#include <linux/types.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]);
-+}
+
-+#define vx_page_fault(mm, vma, type, ret) __vx_page_fault(mm, vma, type, ret)
-+#endif
++enum {
++ VXM_UNUSED = 0,
+
++ VXM_SYNC = 0x10,
+
-+extern unsigned long vx_badness(struct task_struct *task, struct mm_struct *mm);
++ VXM_UPDATE = 0x20,
++ VXM_UPDATE_1,
++ VXM_UPDATE_2,
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_network.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_network.h
---- linux-2.6.37/include/linux/vs_network.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_network.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,169 @@
-+#ifndef _NX_VS_NETWORK_H
-+#define _NX_VS_NETWORK_H
++ VXM_RQINFO_1 = 0x24,
++ VXM_RQINFO_2,
+
-+#include "vserver/context.h"
-+#include "vserver/network.h"
-+#include "vserver/base.h"
-+#include "vserver/check.h"
-+#include "vserver/debug.h"
++ VXM_ACTIVATE = 0x40,
++ VXM_DEACTIVATE,
++ VXM_IDLE,
+
-+#include <linux/sched.h>
++ VXM_HOLD = 0x44,
++ VXM_UNHOLD,
+
++ VXM_MIGRATE = 0x48,
++ VXM_RESCHED,
+
-+#define get_nx_info(i) __get_nx_info(i, __FILE__, __LINE__)
-+
-+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-4.4.111/include/uapi/vserver/network.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/network.h
+--- linux-4.4.111/include/uapi/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/network.h 2018-01-09 16:36:33.000000000 +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-4.4.111/include/uapi/vserver/network_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/network_cmd.h
+--- linux-4.4.111/include/uapi/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/network_cmd.h 2018-01-09 16:36:33.000000000 +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-2.6.37/include/linux/vs_pid.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_pid.h
---- linux-2.6.37/include/linux/vs_pid.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_pid.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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)
+
-+#define VXF_FAKE_INIT (VXF_INFO_INIT | VXF_STATE_INIT)
++struct vcmd_nx_info_v0 {
++ uint32_t nid;
++ /* more to come */
++};
+
-+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 find_task_by_real_pid(pid) find_task_by_pid_ns(pid, &init_pid_ns)
++#include <linux/in.h>
++#include <linux/in6.h>
+
-+#if 0
++#define VCMD_net_create_v0 VC_CMD(VNET, 1, 0)
++#define VCMD_net_create VC_CMD(VNET, 1, 1)
+
-+static inline
-+struct task_struct *vx_find_proc_task_by_pid(int pid)
-+{
-+ struct task_struct *task = find_task_by_real_pid(pid);
++struct vcmd_net_create {
++ uint64_t flagword;
++};
+
-+ 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;
-+}
++#define VCMD_net_migrate VC_CMD(NETMIG, 1, 0)
+
-+#endif
++#define VCMD_net_add VC_CMD(NETALT, 1, 0)
++#define VCMD_net_remove VC_CMD(NETALT, 2, 0)
+
-+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_v0 {
++ uint16_t type;
++ uint16_t count;
++ struct in_addr ip[4];
++ struct in_addr mask[4];
++};
+
-+ 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_v1 VC_CMD(NETALT, 1, 1)
++#define VCMD_net_rem_ipv4_v1 VC_CMD(NETALT, 2, 1)
+
-+#if 0
++struct vcmd_net_addr_ipv4_v1 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ 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_ipv4 VC_CMD(NETALT, 1, 2)
++#define VCMD_net_rem_ipv4 VC_CMD(NETALT, 2, 2)
+
-+ if (!vxi)
-+ goto out;
++struct vcmd_net_addr_ipv4_v2 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ struct in_addr ip2;
++ struct in_addr mask;
++};
+
-+ BUG_ON(!p->vx_info->vx_reaper);
++#define VCMD_net_add_ipv6 VC_CMD(NETALT, 3, 1)
++#define VCMD_net_remove_ipv6 VC_CMD(NETALT, 4, 1)
+
-+ /* child reaper for the guest reaper */
-+ if (vxi->vx_reaper == p)
-+ 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;
++};
+
-+ 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_ipv4 VC_CMD(NETALT, 5, 0)
++#define VCMD_get_match_ipv4 VC_CMD(NETALT, 6, 0)
+
-+#endif
++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;
++};
+
++#define VCMD_add_match_ipv6 VC_CMD(NETALT, 7, 0)
++#define VCMD_get_match_ipv6 VC_CMD(NETALT, 8, 0)
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_sched.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_sched.h
---- linux-2.6.37/include/linux/vs_sched.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_sched.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,40 @@
-+#ifndef _VS_SCHED_H
-+#define _VS_SCHED_H
++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;
++};
+
-+#include "vserver/base.h"
-+#include "vserver/context.h"
-+#include "vserver/sched.h"
+
+
-+#define MAX_PRIO_BIAS 20
-+#define MIN_PRIO_BIAS -20
+
-+static inline
-+int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
-+{
-+ struct vx_info *vxi = p->vx_info;
++/* flag commands */
+
-+ if (vxi)
-+ prio += vx_cpu(vxi, sched_pc).prio_bias;
-+ return prio;
-+}
++#define VCMD_get_nflags VC_CMD(FLAGS, 5, 0)
++#define VCMD_set_nflags VC_CMD(FLAGS, 6, 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_net_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
+
-+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;
-+}
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_socket.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_socket.h
---- linux-2.6.37/include/linux/vs_socket.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_socket.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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"
++/* network caps commands */
+
++#define VCMD_get_ncaps VC_CMD(FLAGS, 7, 0)
++#define VCMD_set_ncaps VC_CMD(FLAGS, 8, 0)
+
-+/* socket accounting */
++struct vcmd_net_caps_v0 {
++ uint64_t ncaps;
++ uint64_t cmask;
++};
+
-+#include <linux/socket.h>
++#endif /* _UAPI_VS_NETWORK_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/sched_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/sched_cmd.h
+--- linux-4.4.111/include/uapi/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/sched_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _UAPI_VS_SCHED_CMD_H
++#define _UAPI_VS_SCHED_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__)
++struct vcmd_prio_bias {
++ int32_t cpu_id;
++ int32_t prio_bias;
++};
+
-+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_prio_bias VC_CMD(SCHED, 4, 0)
++#define VCMD_get_prio_bias VC_CMD(SCHED, 5, 0)
+
-+ atomic_long_inc(&vxi->cacct.sock[type][pos].count);
-+ atomic_long_add(size, &vxi->cacct.sock[type][pos].total);
-+ }
-+}
++#endif /* _UAPI_VS_SCHED_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/signal_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/signal_cmd.h
+--- linux-4.4.111/include/uapi/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/signal_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,31 @@
++#ifndef _UAPI_VS_SIGNAL_CMD_H
++#define _UAPI_VS_SIGNAL_CMD_H
+
-+#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)
+
++/* signalling vserver commands */
+
-+#define sock_vx_init(s) do { \
-+ (s)->sk_xid = 0; \
-+ (s)->sk_vx_info = NULL; \
-+ } while (0)
++#define VCMD_ctx_kill VC_CMD(PROCTRL, 1, 0)
++#define VCMD_wait_exit VC_CMD(EVENT, 99, 0)
+
-+#define sock_nx_init(s) do { \
-+ (s)->sk_nid = 0; \
-+ (s)->sk_nx_info = NULL; \
-+ } while (0)
++struct vcmd_ctx_kill_v0 {
++ int32_t pid;
++ int32_t sig;
++};
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_tag.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_tag.h
---- linux-2.6.37/include/linux/vs_tag.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_tag.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,47 @@
-+#ifndef _VS_TAG_H
-+#define _VS_TAG_H
++struct vcmd_wait_exit_v0 {
++ int32_t reboot_cmd;
++ int32_t exit_code;
++};
+
-+#include <linux/vserver/tag.h>
+
-+/* check conditions */
++/* process alteration commands */
+
-+#define DX_ADMIN 0x0001
-+#define DX_WATCH 0x0002
-+#define DX_HOSTID 0x0008
++#define VCMD_get_pflags VC_CMD(PROCALT, 5, 0)
++#define VCMD_set_pflags VC_CMD(PROCALT, 6, 0)
+
-+#define DX_IDENT 0x0010
++struct vcmd_pflags_v0 {
++ uint32_t flagword;
++ uint32_t mask;
++};
+
-+#define DX_ARG_MASK 0x0010
++#endif /* _UAPI_VS_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/space_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/space_cmd.h
+--- linux-4.4.111/include/uapi/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/space_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,28 @@
++#ifndef _UAPI_VS_SPACE_CMD_H
++#define _UAPI_VS_SPACE_CMD_H
+
+
-+#define dx_task_tag(t) ((t)->tag)
++#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 dx_current_tag() dx_task_tag(current)
++#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 dx_check(c, m) __dx_check(dx_current_tag(), c, m)
++#define VCMD_get_space_mask_v0 VC_CMD(PROCALT, 4, 0)
+
-+#define dx_weak_check(c, m) ((m) ? dx_check(c, m) : 1)
++#define VCMD_get_space_mask VC_CMD(VSPACE, 0, 1)
++#define VCMD_get_space_default VC_CMD(VSPACE, 1, 0)
+
+
-+/*
-+ * 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)));
-+}
++struct vcmd_space_mask_v1 {
++ uint64_t mask;
++};
+
-+struct inode;
-+int dx_permission(const struct inode *inode, int mask);
++struct vcmd_space_mask_v2 {
++ uint64_t mask;
++ uint32_t index;
++};
+
++#endif /* _UAPI_VS_SPACE_CMD_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/switch.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/switch.h
+--- linux-4.4.111/include/uapi/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/switch.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,90 @@
++#ifndef _UAPI_VS_SWITCH_H
++#define _UAPI_VS_SWITCH_H
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/linux/vs_time.h linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_time.h
---- linux-2.6.37/include/linux/vs_time.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/linux/vs_time.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,19 @@
-+#ifndef _VS_TIME_H
-+#define _VS_TIME_H
++#include <linux/types.h>
+
+
-+/* time faking stuff */
++#define VC_CATEGORY(c) (((c) >> 24) & 0x3F)
++#define VC_COMMAND(c) (((c) >> 16) & 0xFF)
++#define VC_VERSION(c) ((c) & 0xFFF)
+
-+#ifdef CONFIG_VSERVER_VTIME
++#define VC_CMD(c, i, v) ((((VC_CAT_ ## c) & 0x3F) << 24) \
++ | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
+
-+extern void vx_adjust_timespec(struct timespec *ts);
-+extern int vx_settimeofday(struct timespec *ts);
++/*
+
-+#else
-+#define vx_adjust_timespec(t) do { } while (0)
-+#define vx_settimeofday(t) do_settimeofday(t)
-+#endif
++ Syscall Matrix V2.8
+
-+#else
-+#warning duplicate inclusion
-+#endif
-diff -NurpP --minimal linux-2.6.37/include/net/addrconf.h linux-2.6.37-vs2.3.0.37-rc3/include/net/addrconf.h
---- linux-2.6.37/include/net/addrconf.h 2011-01-05 21:50:35.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/net/addrconf.h 2010-11-23 02:09:41.000000000 +0100
-@@ -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-2.6.37/include/net/af_unix.h linux-2.6.37-vs2.3.0.37-rc3/include/net/af_unix.h
---- linux-2.6.37/include/net/af_unix.h 2011-01-05 21:50:35.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/net/af_unix.h 2011-01-05 22:30:40.000000000 +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-2.6.37/include/net/inet_timewait_sock.h linux-2.6.37-vs2.3.0.37-rc3/include/net/inet_timewait_sock.h
---- linux-2.6.37/include/net/inet_timewait_sock.h 2010-08-02 16:52:56.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/net/inet_timewait_sock.h 2010-11-23 02:09:41.000000000 +0100
-@@ -117,6 +117,10 @@ 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-2.6.37/include/net/route.h linux-2.6.37-vs2.3.0.37-rc3/include/net/route.h
---- linux-2.6.37/include/net/route.h 2010-10-21 13:07:56.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/net/route.h 2010-11-23 02:09:41.000000000 +0100
-@@ -145,6 +145,9 @@ static inline void ip_rt_put(struct rtab
- dst_release(&rt->dst);
- }
-
-+#include <linux/vs_base.h>
-+#include <linux/vs_inet.h>
++ |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 IPTOS_RT_MASK (IPTOS_TOS_MASK & ~3)
-
- extern const __u8 ip_tos2prio[16];
-@@ -154,6 +157,9 @@ 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 *);
++*/
+
- 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,
-@@ -171,11 +177,24 @@ static inline int ip_route_connect(struc
-
- int err;
- struct net *net = sock_net(sk);
-+ struct nx_info *nx_info = current_nx_info();
-
- if (inet_sk(sk)->transparent)
- fl.flags |= FLOWI_FLAG_ANYSRC;
-
-- if (!dst || !src) {
-+ if (sk)
-+ nx_info = sk->sk_nx_info;
++#define VC_CAT_VERSION 0
+
-+ 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));
++#define VC_CAT_VSETUP 1
++#define VC_CAT_VHOST 2
+
-+ err = ip_v4_find_src(net, nx_info, rp, &fl);
-+ if (err)
-+ return err;
++#define VC_CAT_DEVICE 6
+
-+ if (!fl.fl4_dst || !fl.fl4_src) {
- err = __ip_route_output_key(net, rp, &fl);
- if (err)
- return err;
-diff -NurpP --minimal linux-2.6.37/include/net/sock.h linux-2.6.37-vs2.3.0.37-rc3/include/net/sock.h
---- linux-2.6.37/include/net/sock.h 2011-01-05 21:50:36.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/include/net/sock.h 2011-01-05 22:30:42.000000000 +0100
-@@ -150,6 +150,10 @@ 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;
- };
-
- /**
-@@ -241,6 +245,10 @@ struct sock {
- #define sk_bind_node __sk_common.skc_bind_node
- #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
- kmemcheck_bitfield_begin(flags);
- unsigned int sk_shutdown : 2,
- sk_no_check : 2,
-diff -NurpP --minimal linux-2.6.37/init/Kconfig linux-2.6.37-vs2.3.0.37-rc3/init/Kconfig
---- linux-2.6.37/init/Kconfig 2011-01-05 21:50:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/init/Kconfig 2011-01-05 22:30:42.000000000 +0100
-@@ -503,6 +503,7 @@ config HAVE_UNSTABLE_SCHED_CLOCK
++#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
++
++#define VC_CAT_SYSTEST 61
++#define VC_CAT_COMPAT 63
++
++/* query version */
++
++#define VCMD_get_version VC_CMD(VERSION, 0, 0)
++#define VCMD_get_vci VC_CMD(VERSION, 1, 0)
++
++#endif /* _UAPI_VS_SWITCH_H */
+diff -NurpP --minimal linux-4.4.111/include/uapi/vserver/tag_cmd.h linux-4.4.111-vs2.3.9.5/include/uapi/vserver/tag_cmd.h
+--- linux-4.4.111/include/uapi/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/include/uapi/vserver/tag_cmd.h 2018-01-09 16:36:33.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _UAPI_VS_TAG_CMD_H
++#define _UAPI_VS_TAG_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_tag VC_CMD(VINFO, 3, 0)
++
++
++/* context commands */
++
++#define VCMD_tag_migrate VC_CMD(TAGMIG, 1, 0)
++
++#endif /* _UAPI_VS_TAG_CMD_H */
+diff -NurpP --minimal linux-4.4.111/init/Kconfig linux-4.4.111-vs2.3.9.5/init/Kconfig
+--- linux-4.4.111/init/Kconfig 2016-07-05 04:15:12.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/init/Kconfig 2018-01-09 16:36:33.000000000 +0000
+@@ -927,6 +927,7 @@ config NUMA_BALANCING_DEFAULT_ENABLED
menuconfig CGROUPS
- boolean "Control Group support"
- depends on EVENTFD
+ bool "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
-@@ -528,6 +529,7 @@ config CGROUP_DEBUG
-
- config CGROUP_NS
- bool "Namespace cgroup subsystem"
-+ default n
- help
- Provides a simple namespace cgroup subsystem to
- provide hierarchical naming of sets of namespaces,
-diff -NurpP --minimal linux-2.6.37/init/main.c linux-2.6.37-vs2.3.0.37-rc3/init/main.c
---- linux-2.6.37/init/main.c 2011-01-05 21:50:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/init/main.c 2010-11-23 02:09:41.000000000 +0100
-@@ -67,6 +67,7 @@
- #include <linux/sfi.h>
- #include <linux/shmem_fs.h>
- #include <linux/slab.h>
+diff -NurpP --minimal linux-4.4.111/init/main.c linux-4.4.111-vs2.3.9.5/init/main.c
+--- linux-4.4.111/init/main.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/init/main.c 2018-01-09 16:58:21.000000000 +0000
+@@ -82,6 +82,7 @@
+ #include <linux/proc_ns.h>
+ #include <linux/io.h>
+ #include <linux/kaiser.h>
+#include <linux/vserver/percpu.h>
#include <asm/io.h>
#include <asm/bugs.h>
-diff -NurpP --minimal linux-2.6.37/ipc/mqueue.c linux-2.6.37-vs2.3.0.37-rc3/ipc/mqueue.c
---- linux-2.6.37/ipc/mqueue.c 2011-01-05 21:50:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/ipc/mqueue.c 2010-11-23 02:09:41.000000000 +0100
-@@ -33,6 +33,8 @@
- #include <linux/pid.h>
+diff -NurpP --minimal linux-4.4.111/ipc/mqueue.c linux-4.4.111-vs2.3.9.5/ipc/mqueue.c
+--- linux-4.4.111/ipc/mqueue.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/ipc/mqueue.c 2018-01-09 16:36:33.000000000 +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"
-@@ -66,6 +68,7 @@ struct mqueue_inode_info {
- struct sigevent notify;
- struct pid* notify_owner;
+@@ -75,6 +77,7 @@ 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;
-@@ -126,6 +129,7 @@ static struct inode *mqueue_get_inode(st
- if (S_ISREG(mode)) {
- struct mqueue_inode_info *info;
- struct task_struct *p = current;
-+ struct vx_info *vxi = p->vx_info;
- unsigned long mq_bytes, mq_msg_tblsz;
-
- inode->i_fop = &mqueue_file_operations;
-@@ -139,6 +143,7 @@ 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 = ipc_ns->mq_msg_max;
- info->attr.mq_msgsize = ipc_ns->mq_msgsize_max;
-@@ -157,16 +162,19 @@ 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 >
-- task_rlimit(p, RLIMIT_MSGQUEUE)) {
-+ task_rlimit(p, RLIMIT_MSGQUEUE) ||
-+ !vx_ipcmsg_avail(vxi, mq_bytes)) {
- spin_unlock(&mq_lock);
- /* mqueue_evict_inode() releases info->messages */
- goto out_inode;
- }
- u->mq_bytes += mq_bytes;
-+ vx_ipcmsg_add(vxi, u, mq_bytes);
+@@ -230,6 +233,7 @@ 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;
+@@ -243,6 +247,7 @@ 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));
+@@ -276,17 +281,20 @@ 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 */
+@@ -398,8 +406,11 @@ static void mqueue_evict_inode(struct in
- /* 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 */
-@@ -268,8 +276,11 @@ static void mqueue_evict_inode(struct in
- + info->attr.mq_msgsize);
user = info->user;
if (user) {
+ struct vx_info *vxi = info->vxi;
/*
* get_ns_from_inode() ensures that the
* (ipc_ns = sb->s_fs_info) is either a valid ipc_ns
-@@ -279,6 +290,7 @@ static void mqueue_evict_inode(struct in
+@@ -409,6 +420,7 @@ static void mqueue_evict_inode(struct in
if (ipc_ns)
ipc_ns->mq_queues_count--;
spin_unlock(&mq_lock);
free_uid(user);
}
if (ipc_ns)
-diff -NurpP --minimal linux-2.6.37/ipc/msg.c linux-2.6.37-vs2.3.0.37-rc3/ipc/msg.c
---- linux-2.6.37/ipc/msg.c 2010-08-02 16:52:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/ipc/msg.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/ipc/msg.c linux-4.4.111-vs2.3.9.5/ipc/msg.c
+--- linux-4.4.111/ipc/msg.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/ipc/msg.c 2018-01-09 16:36:33.000000000 +0000
@@ -37,6 +37,7 @@
#include <linux/rwsem.h>
#include <linux/nsproxy.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-2.6.37/ipc/namespace.c linux-2.6.37-vs2.3.0.37-rc3/ipc/namespace.c
---- linux-2.6.37/ipc/namespace.c 2009-09-10 15:26:27.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/ipc/namespace.c 2010-11-23 02:09:41.000000000 +0100
-@@ -11,6 +11,8 @@
- #include <linux/slab.h>
- #include <linux/fs.h>
- #include <linux/mount.h>
-+#include <linux/vs_base.h>
-+#include <linux/vserver/global.h>
-
- #include "util.h"
-
-diff -NurpP --minimal linux-2.6.37/ipc/sem.c linux-2.6.37-vs2.3.0.37-rc3/ipc/sem.c
---- linux-2.6.37/ipc/sem.c 2010-10-21 13:07:56.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/ipc/sem.c 2010-11-23 02:09:41.000000000 +0100
-@@ -86,6 +86,8 @@
+diff -NurpP --minimal linux-4.4.111/ipc/sem.c linux-4.4.111-vs2.3.9.5/ipc/sem.c
+--- linux-4.4.111/ipc/sem.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/ipc/sem.c 2018-01-09 16:36:33.000000000 +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"
-@@ -260,6 +262,7 @@ static int newary(struct ipc_namespace *
+@@ -533,6 +535,7 @@ 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);
-@@ -275,6 +278,9 @@ static int newary(struct ipc_namespace *
+@@ -563,6 +566,9 @@ 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];
-
-@@ -730,6 +736,9 @@ static void freeary(struct ipc_namespace
+ sem_unlock(sma, -1);
+ rcu_read_unlock();
+@@ -1151,6 +1157,9 @@ 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-2.6.37/ipc/shm.c linux-2.6.37-vs2.3.0.37-rc3/ipc/shm.c
---- linux-2.6.37/ipc/shm.c 2011-01-05 21:50:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/ipc/shm.c 2010-11-23 02:09:41.000000000 +0100
-@@ -39,6 +39,8 @@
+
+diff -NurpP --minimal linux-4.4.111/ipc/shm.c linux-4.4.111-vs2.3.9.5/ipc/shm.c
+--- linux-4.4.111/ipc/shm.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/ipc/shm.c 2018-01-09 16:36:33.000000000 +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>
-@@ -173,7 +175,12 @@ static void shm_open(struct vm_area_stru
- */
+@@ -228,10 +230,14 @@ 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))
-@@ -183,6 +190,7 @@ static void shm_destroy(struct ipc_names
- shp->mlock_user);
- fput (shp->shm_file);
- security_shm_free(shp);
+ if (!is_file_hugepages(shm_file))
+@@ -240,6 +246,7 @@ static void shm_destroy(struct ipc_names
+ user_shm_unlock(i_size_read(file_inode(shm_file)),
+ shp->mlock_user);
+ fput(shm_file);
+ put_vx_info(vxi);
- ipc_rcu_putref(shp);
+ ipc_rcu_putref(shp, shm_rcu_free);
}
-@@ -355,11 +363,15 @@ static int newseg(struct ipc_namespace *
- if (ns->shm_tot + numpages > ns->shm_ctlall)
+@@ -537,11 +544,15 @@ static int newseg(struct ipc_namespace *
+ ns->shm_tot + numpages > ns->shm_ctlall)
return -ENOSPC;
+ if (!vx_ipcshm_avail(current_vx_info(), numpages))
shp->shm_perm.mode = (shmflg & S_IRWXUGO);
shp->mlock_user = NULL;
-@@ -413,6 +425,7 @@ static int newseg(struct ipc_namespace *
- ns->shm_tot += numpages;
- error = shp->shm_perm.id;
- shm_unlock(shp);
+@@ -612,6 +623,7 @@ 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-2.6.37/kernel/capability.c linux-2.6.37-vs2.3.0.37-rc3/kernel/capability.c
---- linux-2.6.37/kernel/capability.c 2010-08-02 16:52:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/capability.c 2010-11-23 02:09:41.000000000 +0100
-@@ -14,6 +14,7 @@
- #include <linux/security.h>
+diff -NurpP --minimal linux-4.4.111/kernel/Makefile linux-4.4.111-vs2.3.9.5/kernel/Makefile
+--- linux-4.4.111/kernel/Makefile 2016-07-05 04:12:38.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/Makefile 2018-01-09 16:36:33.000000000 +0000
+@@ -29,6 +29,7 @@ obj-y += printk/
+ obj-y += irq/
+ obj-y += rcu/
+ obj-y += livepatch/
++obj-y += vserver/
+
+ obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
+ obj-$(CONFIG_FREEZER) += freezer.o
+diff -NurpP --minimal linux-4.4.111/kernel/auditsc.c linux-4.4.111-vs2.3.9.5/kernel/auditsc.c
+--- linux-4.4.111/kernel/auditsc.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/auditsc.c 2018-01-09 16:36:33.000000000 +0000
+@@ -1962,7 +1962,7 @@ 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-4.4.111/kernel/capability.c linux-4.4.111-vs2.3.9.5/kernel/capability.c
+--- linux-4.4.111/kernel/capability.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/capability.c 2018-01-09 16:36:33.000000000 +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>
/*
-@@ -119,6 +120,7 @@ static int cap_validate_magic(cap_user_h
+@@ -107,6 +108,7 @@ static int cap_validate_magic(cap_user_h
return 0;
}
/*
* 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
-@@ -289,6 +291,8 @@ error:
- return ret;
+@@ -344,6 +346,8 @@ 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
-@@ -301,6 +305,9 @@ error:
- */
- 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 (unlikely(!cap_valid(cap))) {
- printk(KERN_CRIT "capable() called with invalid cap=%u\n", cap);
- BUG();
-diff -NurpP --minimal linux-2.6.37/kernel/compat.c linux-2.6.37-vs2.3.0.37-rc3/kernel/compat.c
---- linux-2.6.37/kernel/compat.c 2010-10-21 13:07:56.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/compat.c 2010-11-23 02:09:41.000000000 +0100
-@@ -914,7 +914,7 @@ 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-4.4.111/kernel/compat.c linux-4.4.111-vs2.3.9.5/kernel/compat.c
+--- linux-4.4.111/kernel/compat.c 2015-07-06 20:41:43.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/compat.c 2018-01-09 16:36:33.000000000 +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>
+
+@@ -1059,7 +1060,7 @@ COMPAT_SYSCALL_DEFINE1(stime, compat_tim
if (err)
return err;
return 0;
}
-diff -NurpP --minimal linux-2.6.37/kernel/cred.c linux-2.6.37-vs2.3.0.37-rc3/kernel/cred.c
---- linux-2.6.37/kernel/cred.c 2011-01-05 21:50:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/cred.c 2011-01-31 21:05:40.000000000 +0100
-@@ -60,31 +60,6 @@ struct cred init_cred = {
- #endif
+diff -NurpP --minimal linux-4.4.111/kernel/cred.c linux-4.4.111-vs2.3.9.5/kernel/cred.c
+--- linux-4.4.111/kernel/cred.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/cred.c 2018-01-09 16:36:33.000000000 +0000
+@@ -64,31 +64,6 @@ struct cred init_cred = {
+ .group_info = &init_groups,
};
-static inline void set_cred_subscribers(struct cred *cred, int n)
-}
-
/*
- * Dispose of the shared task group credentials
+ * The RCU callback to actually dispose of a set of credentials
*/
-@@ -280,21 +255,16 @@ error:
+@@ -240,21 +215,16 @@ error:
*
* Call commit_creds() or abort_creds() to clean up.
*/
memcpy(new, old, sizeof(struct cred));
atomic_set(&new->usage, 1);
-@@ -321,6 +291,13 @@ error:
+@@ -283,6 +253,13 @@ error:
abort_creds(new);
return NULL;
}
EXPORT_SYMBOL(prepare_creds);
/*
-diff -NurpP --minimal linux-2.6.37/kernel/exit.c linux-2.6.37-vs2.3.0.37-rc3/kernel/exit.c
---- linux-2.6.37/kernel/exit.c 2011-01-05 21:50:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/exit.c 2011-01-05 22:30:42.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/exit.c linux-4.4.111-vs2.3.9.5/kernel/exit.c
+--- linux-4.4.111/kernel/exit.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/exit.c 2018-01-09 16:59:03.000000000 +0000
@@ -48,6 +48,10 @@
#include <linux/fs_struct.h>
#include <linux/init_task.h>
#include <trace/events/sched.h>
#include <linux/hw_breakpoint.h>
#include <linux/oom.h>
-@@ -494,9 +498,11 @@ static void close_files(struct files_str
- filp_close(file, files);
- cond_resched();
- }
-+ vx_openfd_dec(i);
- }
- i++;
- set >>= 1;
-+ cond_resched();
- }
+@@ -456,14 +460,24 @@ static struct task_struct *find_child_re
+ {
+ struct pid_namespace *pid_ns = task_active_pid_ns(father);
+ struct task_struct *reaper = pid_ns->child_reaper;
++ struct vx_info *vxi = task_get_vx_info(father);
++
++ if (vxi) {
++ BUG_ON(!vxi->vx_reaper);
++ if (vxi->vx_reaper != init_pid_ns.child_reaper &&
++ vxi->vx_reaper != father) {
++ reaper = vxi->vx_reaper;
++ goto out_put;
++ }
++ }
+
+ if (likely(reaper != father))
+- return reaper;
++ goto out_put;
+
+ reaper = find_alive_thread(father);
+ if (reaper) {
+ pid_ns->child_reaper = reaper;
+- return reaper;
++ goto out_put;
+ }
+
+ write_unlock_irq(&tasklist_lock);
+@@ -474,7 +488,10 @@ static struct task_struct *find_child_re
+ zap_pid_ns_processes(pid_ns);
+ write_lock_irq(&tasklist_lock);
+
+- return father;
++ reaper = father;
++out_put:
++ put_vx_info(vxi);
++ return reaper;
+ }
+
+ /*
+@@ -562,9 +579,13 @@ static void forget_original_parent(struc
+ return;
+
+ reaper = find_new_reaper(father, reaper);
+- list_for_each_entry(p, &father->children, sibling) {
++ for (p = list_first_entry(&father->children, struct task_struct, sibling);
++ &p->sibling != &father->children; ) {
++ struct task_struct *next, *this_reaper = reaper;
++ if (p == reaper)
++ this_reaper = task_active_pid_ns(reaper)->child_reaper;
+ for_each_thread(p, t) {
+- t->real_parent = reaper;
++ t->real_parent = this_reaper;
+ BUG_ON((!t->ptrace) != (t->parent == father));
+ if (likely(!t->ptrace))
+ t->parent = t->real_parent;
+@@ -576,10 +597,13 @@ static void forget_original_parent(struc
+ * If this is a threaded reparent there is no need to
+ * notify anyone anything has happened.
+ */
+- if (!same_thread_group(reaper, father))
++ if (!same_thread_group(this_reaper, father))
+ reparent_leader(father, p, dead);
++ next = list_next_entry(p, sibling);
++ list_add(&p->sibling, &this_reaper->children);
++ p = next;
}
+- list_splice_tail_init(&father->children, &reaper->children);
++ INIT_LIST_HEAD(&father->children);
}
-@@ -1043,11 +1049,16 @@ NORET_TYPE void do_exit(long code)
- validate_creds_for_do_exit(tsk);
+ /*
+@@ -763,6 +787,9 @@ void do_exit(long code)
+ */
+ flush_ptrace_hw_breakpoint(tsk);
+
++ /* needs to stay before exit_notify() */
++ exit_vx_info_early(tsk, code);
++
+ TASKS_RCU(preempt_disable());
+ TASKS_RCU(tasks_rcu_i = __srcu_read_lock(&tasks_rcu_exit_srcu));
+ TASKS_RCU(preempt_enable());
+@@ -822,10 +849,15 @@ 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();
- exit_rcu();
/* 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-2.6.37/kernel/fork.c linux-2.6.37-vs2.3.0.37-rc3/kernel/fork.c
---- linux-2.6.37/kernel/fork.c 2011-01-05 21:50:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/fork.c 2011-01-05 22:30:42.000000000 +0100
-@@ -66,6 +66,10 @@
- #include <linux/posix-timers.h>
- #include <linux/user-return-notifier.h>
- #include <linux/oom.h>
+diff -NurpP --minimal linux-4.4.111/kernel/fork.c linux-4.4.111-vs2.3.9.5/kernel/fork.c
+--- linux-4.4.111/kernel/fork.c 2018-01-11 07:57:51.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/fork.c 2018-01-09 17:00:00.000000000 +0000
+@@ -76,6 +76,9 @@
+ #include <linux/aio.h>
+ #include <linux/compiler.h>
+ #include <linux/sysctl.h>
+#include <linux/vs_context.h>
+#include <linux/vs_network.h>
+#include <linux/vs_limit.h>
-+#include <linux/vs_memory.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
-@@ -161,6 +165,8 @@ void free_task(struct task_struct *tsk)
- account_kernel_stack(tsk->stack, -1);
+@@ -227,6 +230,8 @@ 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);
ftrace_graph_exit_task(tsk);
- free_task_struct(tsk);
- }
-@@ -495,6 +501,7 @@ 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;
- }
-
-@@ -528,6 +535,7 @@ 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);
-@@ -663,6 +671,7 @@ 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;
-@@ -701,6 +710,7 @@ 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;
-@@ -980,6 +990,8 @@ static struct task_struct *copy_process(
+ put_seccomp_filter(tsk);
+ arch_release_task_struct(tsk);
+@@ -1282,6 +1287,8 @@ 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;
+ void *cgrp_ss_priv[CGROUP_CANFORK_COUNT] = {};
if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
- return ERR_PTR(-EINVAL);
-@@ -1026,7 +1038,12 @@ static struct task_struct *copy_process(
+@@ -1343,7 +1350,12 @@ static struct task_struct *copy_process(
DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
#endif
+ goto bad_fork_free;
if (atomic_read(&p->real_cred->user->processes) >=
task_rlimit(p, RLIMIT_NPROC)) {
- if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
-@@ -1291,6 +1308,18 @@ static struct task_struct *copy_process(
-
+ if (p->real_cred->user != INIT_USER &&
+@@ -1640,6 +1652,18 @@ 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);
-diff -NurpP --minimal linux-2.6.37/kernel/kthread.c linux-2.6.37-vs2.3.0.37-rc3/kernel/kthread.c
---- linux-2.6.37/kernel/kthread.c 2011-01-05 21:50:38.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/kthread.c 2011-01-05 22:30:42.000000000 +0100
-@@ -16,6 +16,7 @@
- #include <linux/mutex.h>
- #include <linux/slab.h>
- #include <linux/freezer.h>
+diff -NurpP --minimal linux-4.4.111/kernel/kthread.c linux-4.4.111-vs2.3.9.5/kernel/kthread.c
+--- linux-4.4.111/kernel/kthread.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/kthread.c 2018-01-09 17:01:06.000000000 +0000
+@@ -19,6 +19,7 @@
+ #include <linux/ptrace.h>
+ #include <linux/uaccess.h>
+ #include <linux/cgroup.h>
+#include <linux/vs_pid.h>
#include <trace/events/sched.h>
static DEFINE_SPINLOCK(kthread_create_lock);
-diff -NurpP --minimal linux-2.6.37/kernel/Makefile linux-2.6.37-vs2.3.0.37-rc3/kernel/Makefile
---- linux-2.6.37/kernel/Makefile 2011-01-05 21:50:37.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/Makefile 2010-11-23 02:09:41.000000000 +0100
-@@ -25,6 +25,7 @@ CFLAGS_REMOVE_perf_event.o = -pg
- CFLAGS_REMOVE_irq_work.o = -pg
- endif
-
-+obj-y += vserver/
- obj-$(CONFIG_FREEZER) += freezer.o
- obj-$(CONFIG_PROFILING) += profile.o
- obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
-diff -NurpP --minimal linux-2.6.37/kernel/nsproxy.c linux-2.6.37-vs2.3.0.37-rc3/kernel/nsproxy.c
---- linux-2.6.37/kernel/nsproxy.c 2010-07-07 18:31:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/nsproxy.c 2010-11-23 02:09:41.000000000 +0100
-@@ -20,6 +20,8 @@
+diff -NurpP --minimal linux-4.4.111/kernel/nsproxy.c linux-4.4.111-vs2.3.9.5/kernel/nsproxy.c
+--- linux-4.4.111/kernel/nsproxy.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/nsproxy.c 2018-01-09 16:36:33.000000000 +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"
+
+ static struct kmem_cache *nsproxy_cachep;
-@@ -43,8 +45,11 @@ static inline struct nsproxy *create_nsp
+@@ -46,8 +49,11 @@ static inline struct nsproxy *create_nsp
struct nsproxy *nsproxy;
nsproxy = kmem_cache_alloc(nsproxy_cachep, GFP_KERNEL);
return nsproxy;
}
-@@ -53,41 +58,52 @@ static inline struct nsproxy *create_nsp
+@@ -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;
-
-+ vxdprintk(VXD_CBIT(space, 4),
-+ "unshare_namespaces(0x%08lx,%p,%p)",
-+ flags, orig, new_fs);
-+
- new_nsp = create_nsproxy();
+@@ -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->net_ns = copy_net_ns(flags, tsk->nsproxy->net_ns);
-+ /* disabled now?
-+ 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, 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;
-@@ -112,6 +128,38 @@ 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));
+}
+
+/*
+ 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->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.
-@@ -119,9 +167,12 @@ 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)
- return 0;
-@@ -131,7 +182,7 @@ int copy_namespaces(unsigned long flags,
- CLONE_NEWPID | CLONE_NEWNET)))
+ 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;
-
-- if (!capable(CAP_SYS_ADMIN)) {
-+ if (!vx_can_unshare(CAP_SYS_ADMIN, flags)) {
- err = -EPERM;
- goto out;
}
-@@ -158,6 +209,9 @@ int copy_namespaces(unsigned long flags,
- out:
- put_nsproxy(old_ns);
+- if (!ns_capable(user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_can_unshare(user_ns, CAP_SYS_ADMIN, flags))
+ return -EPERM;
+
+ /*
+@@ -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;
}
-@@ -171,7 +225,9 @@ void free_nsproxy(struct nsproxy *ns)
+@@ -165,7 +214,9 @@ void free_nsproxy(struct nsproxy *ns)
put_ipc_ns(ns->ipc_ns);
- if (ns->pid_ns)
- put_pid_ns(ns->pid_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);
}
-@@ -184,11 +240,15 @@ 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_NEWNET)))
+ CLONE_NEWNET | CLONE_NEWPID)))
return 0;
-- if (!capable(CAP_SYS_ADMIN))
-+ if (!vx_can_unshare(CAP_SYS_ADMIN, unshare_flags))
+ 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,
-diff -NurpP --minimal linux-2.6.37/kernel/pid.c linux-2.6.37-vs2.3.0.37-rc3/kernel/pid.c
---- linux-2.6.37/kernel/pid.c 2011-01-05 21:50:38.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/pid.c 2010-11-23 02:37:26.000000000 +0100
-@@ -36,6 +36,7 @@
- #include <linux/pid_namespace.h>
- #include <linux/init_task.h>
+ *new_nsp = create_new_namespaces(unshare_flags, current, user_ns,
+diff -NurpP --minimal linux-4.4.111/kernel/pid.c linux-4.4.111-vs2.3.9.5/kernel/pid.c
+--- linux-4.4.111/kernel/pid.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/pid.c 2018-01-09 21:54:23.000000000 +0000
+@@ -38,6 +38,7 @@
#include <linux/syscalls.h>
+ #include <linux/proc_ns.h>
+ #include <linux/proc_fs.h>
+#include <linux/vs_pid.h>
#define pid_hashfn(nr, ns) \
hash_long((unsigned long)nr + (unsigned long)ns, pidhash_shift)
-@@ -339,7 +340,7 @@ EXPORT_SYMBOL_GPL(find_pid_ns);
+@@ -379,7 +380,7 @@ 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);
-@@ -399,6 +400,9 @@ void transfer_pid(struct task_struct *ol
+@@ -435,6 +436,9 @@ void transfer_pid(struct task_struct *ol
struct task_struct *pid_task(struct pid *pid, enum pid_type type)
{
struct task_struct *result = NULL;
+
-+ if (type == PIDTYPE_REALPID)
++ if (type == __PIDTYPE_REALPID)
+ type = PIDTYPE_PID;
if (pid) {
struct hlist_node *first;
first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]),
-@@ -417,7 +421,7 @@ EXPORT_SYMBOL(pid_task);
- struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
+@@ -453,7 +457,7 @@ struct task_struct *find_task_by_pid_ns(
{
- rcu_lockdep_assert(rcu_read_lock_held());
+ RCU_LOCKDEP_WARN(!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);
}
struct task_struct *find_task_by_vpid(pid_t vnr)
-@@ -459,7 +463,7 @@ struct pid *find_get_pid(pid_t nr)
+@@ -497,7 +501,7 @@ struct pid *find_get_pid(pid_t nr)
}
EXPORT_SYMBOL_GPL(find_get_pid);
{
struct upid *upid;
pid_t nr = 0;
-@@ -472,6 +476,11 @@ pid_t pid_nr_ns(struct pid *pid, struct
- return nr;
+@@ -511,6 +515,11 @@ 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-2.6.37/kernel/pid_namespace.c linux-2.6.37-vs2.3.0.37-rc3/kernel/pid_namespace.c
---- linux-2.6.37/kernel/pid_namespace.c 2010-07-07 18:31:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/pid_namespace.c 2010-11-23 02:09:41.000000000 +0100
-@@ -14,6 +14,7 @@
- #include <linux/err.h>
- #include <linux/acct.h>
- #include <linux/slab.h>
+ return pid_nr_ns(pid, task_active_pid_ns(current));
+diff -NurpP --minimal linux-4.4.111/kernel/pid_namespace.c linux-4.4.111-vs2.3.9.5/kernel/pid_namespace.c
+--- linux-4.4.111/kernel/pid_namespace.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/pid_namespace.c 2018-01-09 16:36:33.000000000 +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)
-
-@@ -87,6 +88,7 @@ static struct pid_namespace *create_pid_
- goto out_free_map;
+ struct pid_cache {
+ int nr_ids;
+@@ -111,6 +112,7 @@ static struct pid_namespace *create_pid_
+ ns->ns.ops = &pidns_operations;
kref_init(&ns->kref);
+ atomic_inc(&vs_global_pid_ns);
ns->level = level;
ns->parent = get_pid_ns(parent_pid_ns);
-
-@@ -112,6 +114,7 @@ static void destroy_pid_namespace(struct
-
- for (i = 0; i < PIDMAP_ENTRIES; i++)
- kfree(ns->pidmap[i].page);
+ ns->user_ns = get_user_ns(user_ns);
+@@ -128,6 +130,7 @@ 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-2.6.37/kernel/posix-timers.c linux-2.6.37-vs2.3.0.37-rc3/kernel/posix-timers.c
---- linux-2.6.37/kernel/posix-timers.c 2010-10-21 13:07:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/posix-timers.c 2010-11-23 02:09:41.000000000 +0100
+ out:
+ return ERR_PTR(err);
+diff -NurpP --minimal linux-4.4.111/kernel/printk/printk.c linux-4.4.111-vs2.3.9.5/kernel/printk/printk.c
+--- linux-4.4.111/kernel/printk/printk.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/printk/printk.c 2018-01-09 16:36:33.000000000 +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
-@@ -363,6 +364,7 @@ int posix_timer_event(struct k_itimer *t
- {
- struct task_struct *task;
- int shared, ret = -1;
-+
- /*
- * FIXME: if ->sigq is queued we can race with
- * dequeue_signal()->do_schedule_next_timer().
-@@ -379,10 +381,18 @@ 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();
-+
- /* If we failed to send the signal the timer stops. */
- return ret > 0;
- }
-diff -NurpP --minimal linux-2.6.37/kernel/printk.c linux-2.6.37-vs2.3.0.37-rc3/kernel/printk.c
---- linux-2.6.37/kernel/printk.c 2011-01-05 21:50:38.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/printk.c 2011-01-05 22:30:42.000000000 +0100
-@@ -39,6 +39,7 @@
- #include <linux/syslog.h>
- #include <linux/cpu.h>
- #include <linux/notifier.h>
+ #include <linux/utsname.h>
+ #include <linux/ctype.h>
+ #include <linux/uio.h>
+#include <linux/vs_cvirt.h>
#include <asm/uaccess.h>
-@@ -272,18 +273,19 @@ int do_syslog(int type, char __user *buf
- unsigned i, j, limit, count;
- int do_clear = 0;
- char c;
-- int error = 0;
-+ int error;
-
- /*
- * If this is from /proc/kmsg we only do the capabilities checks
- * at open time.
- */
- if (type == SYSLOG_ACTION_OPEN || !from_file) {
-- if (dmesg_restrict && !capable(CAP_SYS_ADMIN))
-+ if (dmesg_restrict &&
-+ !vx_capable(CAP_SYS_ADMIN, VXC_SYSLOG))
- return -EPERM;
- if ((type != SYSLOG_ACTION_READ_ALL &&
- type != SYSLOG_ACTION_SIZE_BUFFER) &&
-- !capable(CAP_SYS_ADMIN))
-+ !vx_capable(CAP_SYS_ADMIN, VXC_SYSLOG))
- return -EPERM;
- }
+@@ -502,7 +503,7 @@ int check_syslog_permissions(int type, i
+ goto ok;
-@@ -291,12 +293,9 @@ int do_syslog(int type, char __user *buf
+ if (syslog_action_restricted(type)) {
+- if (capable(CAP_SYSLOG))
++ if (vx_capable(CAP_SYSLOG, VXC_SYSLOG))
+ goto ok;
+ /*
+ * For historical reasons, accept CAP_SYS_ADMIN too, with
+@@ -1304,12 +1305,9 @@ int do_syslog(int type, char __user *buf
if (error)
- return error;
+ goto out;
- switch (type) {
- case SYSLOG_ACTION_CLOSE: /* Close log */
error = -EINVAL;
if (!buf || len < 0)
goto out;
-@@ -307,6 +306,16 @@ int do_syslog(int type, char __user *buf
+@@ -1320,6 +1318,16 @@ int do_syslog(int type, char __user *buf
error = -EFAULT;
goto out;
}
+ break;
+ case SYSLOG_ACTION_READ: /* Read from log */
error = wait_event_interruptible(log_wait,
- (log_start - log_end));
+ syslog_seq != log_next_seq);
if (error)
-@@ -333,16 +342,6 @@ int do_syslog(int type, char __user *buf
+@@ -1332,16 +1340,6 @@ int do_syslog(int type, char __user *buf
/* FALL THRU */
/* Read last kernel messages */
case SYSLOG_ACTION_READ_ALL:
- error = -EFAULT;
- goto out;
- }
- count = len;
- if (count > log_buf_len)
- count = log_buf_len;
-diff -NurpP --minimal linux-2.6.37/kernel/ptrace.c linux-2.6.37-vs2.3.0.37-rc3/kernel/ptrace.c
---- linux-2.6.37/kernel/ptrace.c 2011-01-05 21:50:38.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/ptrace.c 2010-11-23 02:09:41.000000000 +0100
-@@ -22,6 +22,7 @@
+ error = syslog_print_all(buf, len, clear);
+ break;
+ /* Clear ring buffer */
+diff -NurpP --minimal linux-4.4.111/kernel/ptrace.c linux-4.4.111-vs2.3.9.5/kernel/ptrace.c
+--- linux-4.4.111/kernel/ptrace.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/ptrace.c 2018-01-09 16:36:33.000000000 +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>
+@@ -295,6 +296,11 @@ ok:
+ !ptrace_has_cap(mm->user_ns, mode)))
+ return -EPERM;
-
- /*
-@@ -150,6 +151,11 @@ 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_access_check(task, mode);
}
-@@ -713,6 +719,10 @@ 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;
+diff -NurpP --minimal linux-4.4.111/kernel/reboot.c linux-4.4.111-vs2.3.9.5/kernel/reboot.c
+--- linux-4.4.111/kernel/reboot.c 2016-07-05 04:12:39.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/reboot.c 2018-01-09 16:36:33.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/syscore_ops.h>
+ #include <linux/uaccess.h>
++#include <linux/vs_pid.h>
+
+ /*
+ * this indicates whether you can reboot with ctrl-alt-del: the default is yes
+@@ -269,6 +270,8 @@ EXPORT_SYMBOL_GPL(kernel_power_off);
+
+ static DEFINE_MUTEX(reboot_mutex);
+
++long vs_reboot(unsigned int, void __user *);
+
- if (request == PTRACE_ATTACH) {
- ret = ptrace_attach(child);
- /*
-diff -NurpP --minimal linux-2.6.37/kernel/sched.c linux-2.6.37-vs2.3.0.37-rc3/kernel/sched.c
---- linux-2.6.37/kernel/sched.c 2011-01-05 21:50:38.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/sched.c 2011-01-05 22:30:42.000000000 +0100
-@@ -72,6 +72,8 @@
- #include <linux/ctype.h>
- #include <linux/ftrace.h>
- #include <linux/slab.h>
+ /*
+ * 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-4.4.111/kernel/sched/core.c linux-4.4.111-vs2.3.9.5/kernel/sched/core.c
+--- linux-4.4.111/kernel/sched/core.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/sched/core.c 2018-01-09 16:36:33.000000000 +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>
+ #include <asm/switch_to.h>
#include <asm/tlb.h>
- #include <asm/irq_regs.h>
-@@ -3361,9 +3363,17 @@ static void calc_global_nohz(unsigned lo
- */
- 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;
-+ }
- }
+@@ -3558,7 +3560,7 @@ SYSCALL_DEFINE1(nice, int, increment)
- /*
-@@ -3651,16 +3661,19 @@ void account_user_time(struct task_struc
+ 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;
+
+ retval = security_task_setnice(current, nice);
+ if (retval)
+diff -NurpP --minimal linux-4.4.111/kernel/sched/cputime.c linux-4.4.111-vs2.3.9.5/kernel/sched/cputime.c
+--- linux-4.4.111/kernel/sched/cputime.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/sched/cputime.c 2018-01-09 16:36:33.000000000 +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"
+
+
+@@ -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;
/* Add user time to process. */
- p->utime = cputime_add(p->utime, cputime);
- p->utimescaled = cputime_add(p->utimescaled, cputime_scaled);
+ 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);
-@@ -3711,6 +3724,7 @@ void account_system_time(struct task_str
- cputime_t cputime, cputime_t cputime_scaled)
+ 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 */
- cputime64_t tmp;
-
- if ((p->flags & PF_VCPU) && (irq_count() - hardirq_offset == 0)) {
-@@ -3721,6 +3735,7 @@ void account_system_time(struct task_str
++
/* Add system time to process. */
- p->stime = cputime_add(p->stime, cputime);
- p->stimescaled = cputime_add(p->stimescaled, cputime_scaled);
+ p->stime += cputime;
+ p->stimescaled += cputime_scaled;
+ vx_account_system(vxi, cputime, 0 /* do we have idle time? */);
account_group_system_time(p, cputime);
/* Add system time to cpustat. */
-@@ -4804,7 +4819,7 @@ SYSCALL_DEFINE1(nice, int, increment)
- nice = 19;
+diff -NurpP --minimal linux-4.4.111/kernel/sched/fair.c linux-4.4.111-vs2.3.9.5/kernel/sched/fair.c
+--- linux-4.4.111/kernel/sched/fair.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/sched/fair.c 2018-01-09 16:36:33.000000000 +0000
+@@ -30,6 +30,7 @@
+ #include <linux/mempolicy.h>
+ #include <linux/migrate.h>
+ #include <linux/task_work.h>
++#include <linux/vs_cvirt.h>
- if (increment < 0 && !can_nice(current, nice))
-- return -EPERM;
-+ return vx_flags(VXF_IGNEG_NICE, 0) ? 0 : -EPERM;
+ #include <trace/events/sched.h>
- retval = security_task_setnice(current, nice);
- if (retval)
-diff -NurpP --minimal linux-2.6.37/kernel/sched_fair.c linux-2.6.37-vs2.3.0.37-rc3/kernel/sched_fair.c
---- linux-2.6.37/kernel/sched_fair.c 2011-01-05 21:50:38.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/sched_fair.c 2011-01-05 22:30:42.000000000 +0100
-@@ -782,6 +782,9 @@ enqueue_entity(struct cfs_rq *cfs_rq, st
- check_spread(cfs_rq, se);
- if (se != cfs_rq->curr)
+@@ -3055,6 +3056,8 @@ 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 __clear_buddies(struct cfs_rq *cfs_rq, struct sched_entity *se)
-@@ -825,6 +828,8 @@ 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);
+@@ -3136,6 +3139,8 @@ 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);
- update_min_vruntime(cfs_rq);
-diff -NurpP --minimal linux-2.6.37/kernel/signal.c linux-2.6.37-vs2.3.0.37-rc3/kernel/signal.c
---- linux-2.6.37/kernel/signal.c 2011-01-05 21:50:38.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/signal.c 2010-11-23 02:09:41.000000000 +0100
-@@ -28,6 +28,8 @@
- #include <linux/freezer.h>
- #include <linux/pid_namespace.h>
- #include <linux/nsproxy.h>
+ /*
+diff -NurpP --minimal linux-4.4.111/kernel/signal.c linux-4.4.111-vs2.3.9.5/kernel/signal.c
+--- linux-4.4.111/kernel/signal.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/signal.c 2018-01-11 08:03:00.000000000 +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>
-
-@@ -646,9 +648,18 @@ static int check_kill_permission(int sig
+@@ -726,9 +728,18 @@ static int check_kill_permission(int sig
struct pid *sid;
int error;
if (!si_fromuser(info))
return 0;
-@@ -678,6 +689,20 @@ static int check_kill_permission(int sig
+@@ -752,6 +763,20 @@ static int check_kill_permission(int sig
}
}
return security_task_kill(t, info, sig, 0);
}
-@@ -1171,7 +1196,7 @@ 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))
- /*
-@@ -1211,7 +1236,7 @@ int kill_pid_info_as_uid(int sig, struct
+@@ -1303,8 +1328,14 @@ int kill_pid_info(int sig, struct siginf
+ for (;;) {
+ rcu_read_lock();
+ p = pid_task(pid, PIDTYPE_PID);
+- if (p)
+- error = group_send_sig_info(sig, info, p);
++ if (p) {
++ if (vx_check(vx_task_xid(p), VS_IDENT))
++ error = group_send_sig_info(sig, info, p);
++ else {
++ rcu_read_unlock();
++ return -ESRCH;
++ }
++ }
+ rcu_read_unlock();
+ if (likely(!p || error != -ESRCH))
+ return error;
+@@ -1349,7 +1380,7 @@ int kill_pid_info_as_cred(int sig, struc
rcu_read_lock();
p = pid_task(pid, PIDTYPE_PID);
ret = -ESRCH;
goto out_unlock;
}
-@@ -1266,8 +1291,10 @@ static int kill_something_info(int sig,
+@@ -1401,8 +1432,10 @@ static int kill_something_info(int sig,
struct task_struct * p;
for_each_process(p) {
int err = group_send_sig_info(sig, info, p);
++count;
if (err != -EPERM)
-@@ -1936,6 +1963,11 @@ relock:
+@@ -2255,6 +2288,11 @@ relock:
!sig_kernel_only(signr))
continue;
+ /* virtual init is protected against user signals */
-+ if ((info->si_code == SI_USER) &&
++ if ((ksig->info.si_code == SI_USER) &&
+ vx_current_initpid(current->pid))
+ continue;
+
if (sig_kernel_stop(signr)) {
/*
* The default action is to stop all threads in
-diff -NurpP --minimal linux-2.6.37/kernel/softirq.c linux-2.6.37-vs2.3.0.37-rc3/kernel/softirq.c
---- linux-2.6.37/kernel/softirq.c 2011-01-05 21:50:38.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/softirq.c 2010-11-23 02:09:41.000000000 +0100
-@@ -24,6 +24,7 @@
- #include <linux/ftrace.h>
- #include <linux/smp.h>
+diff -NurpP --minimal linux-4.4.111/kernel/softirq.c linux-4.4.111-vs2.3.9.5/kernel/softirq.c
+--- linux-4.4.111/kernel/softirq.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/softirq.c 2018-01-09 16:36:34.000000000 +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-2.6.37/kernel/sys.c linux-2.6.37-vs2.3.0.37-rc3/kernel/sys.c
---- linux-2.6.37/kernel/sys.c 2010-10-21 13:07:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/sys.c 2010-11-23 02:09:41.000000000 +0100
-@@ -42,6 +42,7 @@
- #include <linux/syscalls.h>
- #include <linux/kprobes.h>
- #include <linux/user_namespace.h>
+diff -NurpP --minimal linux-4.4.111/kernel/sys.c linux-4.4.111-vs2.3.9.5/kernel/sys.c
+--- linux-4.4.111/kernel/sys.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/sys.c 2018-01-09 17:00:36.000000000 +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>
- #include <asm/uaccess.h>
- #include <asm/io.h>
-@@ -131,7 +132,10 @@ static int set_one_prio(struct task_stru
+@@ -157,7 +158,10 @@ static int set_one_prio(struct task_stru
goto out;
}
if (niceval < task_nice(p) && !can_nice(p, niceval)) {
goto out;
}
no_nice = security_task_setnice(p, niceval);
-@@ -181,6 +185,8 @@ 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;
-@@ -244,6 +250,8 @@ 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);
+@@ -208,6 +212,8 @@ 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;
+@@ -274,6 +280,8 @@ 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;
+@@ -290,6 +298,8 @@ 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) && task_pid_vnr(p)) {
+ niceval = nice_to_rlimit(task_nice(p));
if (niceval > retval)
- retval = niceval;
-@@ -357,6 +365,8 @@ EXPORT_SYMBOL_GPL(kernel_power_off);
+@@ -1217,7 +1227,8 @@ SYSCALL_DEFINE2(sethostname, char __user
+ int errno;
+ char tmp[__NEW_UTS_LEN];
- static DEFINE_MUTEX(reboot_mutex);
+- 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;
-+long vs_reboot(unsigned int, void __user *);
+ if (len < 0 || len > __NEW_UTS_LEN)
+@@ -1268,7 +1279,8 @@ 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;
+@@ -1386,7 +1398,7 @@ 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,
+@@ -1439,7 +1451,8 @@ 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-4.4.111/kernel/sysctl.c linux-4.4.111-vs2.3.9.5/kernel/sysctl.c
+--- linux-4.4.111/kernel/sysctl.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/sysctl.c 2018-01-09 16:36:34.000000000 +0000
+@@ -87,6 +87,7 @@
+ #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
+@@ -279,6 +280,13 @@ 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),
+@@ -1385,7 +1393,6 @@ static struct ctl_table vm_table[] = {
+ .extra1 = &zero,
+ .extra2 = &one,
+ },
+-
+ #endif /* CONFIG_COMPACTION */
+ {
+ .procname = "min_free_kbytes",
+diff -NurpP --minimal linux-4.4.111/kernel/sysctl_binary.c linux-4.4.111-vs2.3.9.5/kernel/sysctl_binary.c
+--- linux-4.4.111/kernel/sysctl_binary.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/sysctl_binary.c 2018-01-09 16:36:34.000000000 +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-4.4.111/kernel/time/posix-timers.c linux-4.4.111-vs2.3.9.5/kernel/time/posix-timers.c
+--- linux-4.4.111/kernel/time/posix-timers.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/time/posix-timers.c 2018-01-09 16:36:34.000000000 +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"
+
+@@ -407,6 +408,7 @@ int posix_timer_event(struct k_itimer *t
+ {
+ struct task_struct *task;
+ int shared, ret = -1;
++
+ /*
+ * FIXME: if ->sigq is queued we can race with
+ * dequeue_signal()->do_schedule_next_timer().
+@@ -423,10 +425,18 @@ 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();
++
+ /* If we failed to send the signal the timer stops. */
+ return ret > 0;
+ }
+diff -NurpP --minimal linux-4.4.111/kernel/time/time.c linux-4.4.111-vs2.3.9.5/kernel/time/time.c
+--- linux-4.4.111/kernel/time/time.c 2016-07-05 04:12:39.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/time/time.c 2018-01-09 16:36:34.000000000 +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;
+ }
+
+@@ -186,7 +187,7 @@ int do_sys_settimeofday(const struct tim
+ }
+ }
+ if (tv)
+- return do_settimeofday(tv);
++ return vx_settimeofday(tv);
+ return 0;
+ }
+
+diff -NurpP --minimal linux-4.4.111/kernel/time/timekeeping.c linux-4.4.111-vs2.3.9.5/kernel/time/timekeeping.c
+--- linux-4.4.111/kernel/time/timekeeping.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/time/timekeeping.c 2018-01-09 17:02:47.000000000 +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"
+@@ -921,7 +922,9 @@ void ktime_get_raw_and_real_ts64(struct
+ } while (read_seqcount_retry(&tk_core.seq, seq));
+
+ timespec64_add_ns(ts_raw, nsecs_raw);
++ vx_adjust_timespec(ts_raw);
+ timespec64_add_ns(ts_real, nsecs_real);
++ vx_adjust_timespec(ts_real);
+ }
+ EXPORT_SYMBOL(ktime_get_raw_and_real_ts64);
+
+diff -NurpP --minimal linux-4.4.111/kernel/time/timer.c linux-4.4.111-vs2.3.9.5/kernel/time/timer.c
+--- linux-4.4.111/kernel/time/timer.c 2018-01-11 07:57:52.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/time/timer.c 2018-01-09 16:36:34.000000000 +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-4.4.111/kernel/user_namespace.c linux-4.4.111-vs2.3.9.5/kernel/user_namespace.c
+--- linux-4.4.111/kernel/user_namespace.c 2016-07-05 04:12:39.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/user_namespace.c 2018-01-09 16:36:34.000000000 +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);
+@@ -97,6 +98,7 @@ 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;
+@@ -145,6 +147,7 @@ void free_user_ns(struct user_namespace
+ key_put(ns->persistent_keyring_register);
+ #endif
+ ns_free_inum(&ns->ns);
++ atomic_dec(&vs_global_user_ns);
+ kmem_cache_free(user_ns_cachep, ns);
+ ns = parent;
+ } while (atomic_dec_and_test(&parent->count));
+@@ -358,6 +361,18 @@ gid_t from_kgid_munged(struct user_names
+ }
+ EXPORT_SYMBOL(from_kgid_munged);
+
++ktag_t make_ktag(struct user_namespace *from, vtag_t tag)
++{
++ return KTAGT_INIT(tag);
++}
++EXPORT_SYMBOL(make_ktag);
++
++vtag_t from_ktag(struct user_namespace *to, ktag_t tag)
++{
++ return __ktag_val(tag);
++}
++EXPORT_SYMBOL(from_ktag);
++
+ /**
+ * make_kprojid - Map a user-namespace projid pair into a kprojid.
+ * @ns: User namespace that the projid is in
+diff -NurpP --minimal linux-4.4.111/kernel/utsname.c linux-4.4.111-vs2.3.9.5/kernel/utsname.c
+--- linux-4.4.111/kernel/utsname.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/utsname.c 2018-01-09 16:36:34.000000000 +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;
+ }
+
+@@ -87,6 +90,7 @@ void free_uts_ns(struct kref *kref)
+ ns = container_of(kref, struct uts_namespace, kref);
+ put_user_ns(ns->user_ns);
+ ns_free_inum(&ns->ns);
++ atomic_dec(&vs_global_uts_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/Kconfig linux-4.4.111-vs2.3.9.5/kernel/vserver/Kconfig
+--- linux-4.4.111/kernel/vserver/Kconfig 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/Kconfig 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,230 @@
++#
++# 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"
++ 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.
++
++ (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 (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.
++
++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)
++
++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_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.
++
++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.
++
++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.
++
++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.
++
++choice
++ prompt "Quotes used in debug and warn messages"
++ default QUOTES_ISO8859
++
++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.
+
- /*
- * Reboot system call: for obvious reasons only root may call it,
- * and even root needs to set up some magic numbers in the registers
-@@ -389,6 +399,9 @@ 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 QUOTES_UTF8
++ bool "UTF-8 angle quotes"
++ help
++ This uses the the UTF-8 sequences for angle
++ quotes to quote file and process names.
+
- mutex_lock(&reboot_mutex);
- switch (cmd) {
- case LINUX_REBOOT_CMD_RESTART:
-@@ -1169,7 +1182,7 @@ 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;
-@@ -1218,7 +1231,7 @@ 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;
-@@ -1334,7 +1347,7 @@ int do_prlimit(struct task_struct *tsk,
- task_lock(tsk->group_leader);
- if (new_rlim) {
- 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,
-@@ -1383,7 +1396,7 @@ static int check_prlimit_permission(stru
- cred->gid != tcred->egid ||
- cred->gid != tcred->sgid ||
- cred->gid != tcred->gid) &&
-- !capable(CAP_SYS_RESOURCE)) {
-+ !vx_capable(CAP_SYS_RESOURCE, VXC_SET_RLIMIT)) {
- return -EPERM;
- }
-
-diff -NurpP --minimal linux-2.6.37/kernel/sysctl_binary.c linux-2.6.37-vs2.3.0.37-rc3/kernel/sysctl_binary.c
---- linux-2.6.37/kernel/sysctl_binary.c 2010-08-02 16:52:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/sysctl_binary.c 2010-11-23 02:09:41.000000000 +0100
-@@ -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-2.6.37/kernel/sysctl.c linux-2.6.37-vs2.3.0.37-rc3/kernel/sysctl.c
---- linux-2.6.37/kernel/sysctl.c 2011-01-05 21:50:39.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/sysctl.c 2010-11-23 02:09:41.000000000 +0100
-@@ -73,6 +73,7 @@
- #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
-@@ -571,6 +572,13 @@ static struct ctl_table kern_table[] = {
- .proc_handler = proc_dostring,
- },
- #endif
-+ {
-+ .procname = "vshelper",
-+ .data = &vshelper_path,
-+ .maxlen = 256,
-+ .mode = 0644,
-+ .proc_handler = &proc_dostring,
-+ },
- #ifdef CONFIG_CHR_DEV_SG
- {
- .procname = "sg-big-buff",
-diff -NurpP --minimal linux-2.6.37/kernel/time/timekeeping.c linux-2.6.37-vs2.3.0.37-rc3/kernel/time/timekeeping.c
---- linux-2.6.37/kernel/time/timekeeping.c 2010-10-21 13:07:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/time/timekeeping.c 2010-11-23 02:09:41.000000000 +0100
-@@ -229,6 +229,7 @@ void getnstimeofday(struct timespec *ts)
- } while (read_seqretry(&xtime_lock, seq));
-
- timespec_add_ns(ts, nsecs);
-+ vx_adjust_timespec(ts);
- }
-
- EXPORT_SYMBOL(getnstimeofday);
-diff -NurpP --minimal linux-2.6.37/kernel/time.c linux-2.6.37-vs2.3.0.37-rc3/kernel/time.c
---- linux-2.6.37/kernel/time.c 2010-10-21 13:07:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/time.c 2010-11-23 02:09:41.000000000 +0100
-@@ -92,7 +92,7 @@ SYSCALL_DEFINE1(stime, time_t __user *,
- if (err)
- return err;
-
-- do_settimeofday(&tv);
-+ vx_settimeofday(&tv);
- return 0;
- }
-
-@@ -177,7 +177,7 @@ 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;
- }
-diff -NurpP --minimal linux-2.6.37/kernel/timer.c linux-2.6.37-vs2.3.0.37-rc3/kernel/timer.c
---- linux-2.6.37/kernel/timer.c 2011-01-05 21:50:39.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/timer.c 2011-01-05 22:30:42.000000000 +0100
-@@ -40,6 +40,10 @@
- #include <linux/irq_work.h>
- #include <linux/sched.h>
- #include <linux/slab.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>
-@@ -1341,12 +1345,6 @@ 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
-@@ -1375,10 +1373,23 @@ 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_ASCII
++ bool "ASCII single quotes"
++ help
++ This uses the ASCII single quote character
++ (\x27) to quote file and process names.
+
-+/*
-+ * The Alpha uses getxpid, getxuid, and getxgid instead.
-+ */
++endchoice
+
-+asmlinkage long do_getxpid(long *ppid)
-+{
-+ *ppid = sys_getppid();
-+ return sys_getpid();
- }
-
-+#else /* _alpha_ */
++endmenu
+
- SYSCALL_DEFINE0(getuid)
- {
- /* Only we change this so SMP safe */
-diff -NurpP --minimal linux-2.6.37/kernel/user_namespace.c linux-2.6.37-vs2.3.0.37-rc3/kernel/user_namespace.c
---- linux-2.6.37/kernel/user_namespace.c 2010-10-21 13:07:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/user_namespace.c 2010-11-23 02:09:41.000000000 +0100
-@@ -11,6 +11,7 @@
- #include <linux/user_namespace.h>
- #include <linux/highuid.h>
- #include <linux/cred.h>
-+#include <linux/vserver/global.h>
-
- /*
- * Create a new user namespace, deriving the creator from the user in the
-@@ -31,6 +32,7 @@ int create_user_ns(struct cred *new)
- return -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);
-@@ -79,6 +81,8 @@ void free_user_ns(struct kref *kref)
- struct user_namespace *ns =
- container_of(kref, struct user_namespace, kref);
-
-+ /* FIXME: maybe move into destroyer? */
-+ atomic_dec(&vs_global_user_ns);
- INIT_WORK(&ns->destroyer, free_user_ns_work);
- schedule_work(&ns->destroyer);
- }
-diff -NurpP --minimal linux-2.6.37/kernel/utsname.c linux-2.6.37-vs2.3.0.37-rc3/kernel/utsname.c
---- linux-2.6.37/kernel/utsname.c 2009-09-10 15:26:28.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/utsname.c 2010-11-23 02:09:41.000000000 +0100
-@@ -14,14 +14,17 @@
- #include <linux/utsname.h>
- #include <linux/err.h>
- #include <linux/slab.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;
- }
-
-@@ -71,5 +74,6 @@ 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-2.6.37/kernel/vserver/cacct.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cacct.c
---- linux-2.6.37/kernel/vserver/cacct.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cacct.c 2010-11-23 02:09:41.000000000 +0100
++
++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-4.4.111/kernel/vserver/Makefile linux-4.4.111-vs2.3.9.5/kernel/vserver/Makefile
+--- linux-4.4.111/kernel/vserver/Makefile 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/Makefile 2018-01-09 16:36:34.000000000 +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-4.4.111/kernel/vserver/cacct.c linux-4.4.111-vs2.3.9.5/kernel/vserver/cacct.c
+--- linux-4.4.111/kernel/vserver/cacct.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/cacct.c 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,42 @@
+/*
+ * linux/kernel/vserver/cacct.c
+ *
+ * Virtual Server: Context Accounting
+ *
-+ * Copyright (C) 2006-2007 Herbert Pötzl
++ * Copyright (C) 2006-2007 Herbert P?tzl
+ *
+ * V0.01 added accounting stats
+ *
+ return 0;
+}
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/cacct_init.h linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cacct_init.h
---- linux-2.6.37/kernel/vserver/cacct_init.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cacct_init.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/cacct_init.h linux-4.4.111-vs2.3.9.5/kernel/vserver/cacct_init.h
+--- linux-4.4.111/kernel/vserver/cacct_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/cacct_init.h 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,25 @@
+
+
+ return;
+}
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/cacct_proc.h linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cacct_proc.h
---- linux-2.6.37/kernel/vserver/cacct_proc.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cacct_proc.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/cacct_proc.h linux-4.4.111-vs2.3.9.5/kernel/vserver/cacct_proc.h
+--- linux-4.4.111/kernel/vserver/cacct_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/cacct_proc.h 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,53 @@
+#ifndef _VX_CACCT_PROC_H
+#define _VX_CACCT_PROC_H
+}
+
+#endif /* _VX_CACCT_PROC_H */
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/context.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/context.c
---- linux-2.6.37/kernel/vserver/context.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/context.c 2011-01-31 21:05:40.000000000 +0100
-@@ -0,0 +1,1086 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/context.c linux-4.4.111-vs2.3.9.5/kernel/vserver/context.c
+--- linux-4.4.111/kernel/vserver/context.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/context.c 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,1119 @@
+/*
+ * linux/kernel/vserver/context.c
+ *
+ * Virtual Server: Context Support
+ *
-+ * Copyright (C) 2003-2010 Herbert Pötzl
++ * Copyright (C) 2003-2011 Herbert P?tzl
+ *
+ * V0.01 context helper
+ * V0.02 vx_ctx_kill syscall command
+ * 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>
+
+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, index;
+ }
+
+ 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_umask = 0;
++ new->vx_wmask = 0;
+
+ new->reboot_cmd = 0;
+ new->exit_code = 0;
+ spin_unlock(&fs->lock);
+ if (kill)
+ free_fs_struct(fs);
-+#if 0
-+ cred = xchg(&space->vx_real_cred, NULL);
-+ if (cred) {
-+ alter_cred_subscribers(cred, -1);
-+ put_cred(cred);
-+ }
+
-+#endif
+ cred = (struct cred *)xchg(&space->vx_cred, NULL);
+ if (cred)
+ abort_creds(cred);
+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);
+}
+
+
+ * 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;
+}
+
+
+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;
+}
+
+
++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-2.6.37/kernel/vserver/cvirt.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cvirt.c
---- linux-2.6.37/kernel/vserver/cvirt.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cvirt.c 2011-01-08 03:33:34.000000000 +0100
-@@ -0,0 +1,303 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/cvirt.c linux-4.4.111-vs2.3.9.5/kernel/vserver/cvirt.c
+--- linux-4.4.111/kernel/vserver/cvirt.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/cvirt.c 2018-01-09 22:27:39.000000000 +0000
+@@ -0,0 +1,313 @@
+/*
+ * linux/kernel/vserver/cvirt.c
+ *
+ * Virtual Server: Context Virtualization
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 broken out from limit.c
+ * V0.02 added utsname stuff
+#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_cvirt *cvirt = &vxi->cvirt;
+ struct timespec uptime;
+
-+ do_posix_clock_monotonic_gettime(&uptime);
++ ktime_get_ts(&uptime);
+ set_normalized_timespec(&uptime,
+ uptime.tv_sec - cvirt->bias_uptime.tv_sec,
+ uptime.tv_nsec - cvirt->bias_uptime.tv_nsec);
+ }
+}
+
-+int vx_settimeofday(struct timespec *ts)
++int vx_settimeofday(const struct timespec *ts)
+{
+ struct timespec ats, delta;
+ struct vx_info *vxi;
+
+#endif
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/cvirt_init.h linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cvirt_init.h
---- linux-2.6.37/kernel/vserver/cvirt_init.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cvirt_init.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,69 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/cvirt_init.h linux-4.4.111-vs2.3.9.5/kernel/vserver/cvirt_init.h
+--- linux-4.4.111/kernel/vserver/cvirt_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/cvirt_init.h 2018-01-09 22:16:00.000000000 +0000
+@@ -0,0 +1,70 @@
+
+
+extern uint64_t vx_idle_jiffies(void);
+ uint64_t idle_jiffies = vx_idle_jiffies();
+ uint64_t nsuptime;
+
-+ do_posix_clock_monotonic_gettime(&cvirt->bias_uptime);
++ ktime_get_ts(&cvirt->bias_uptime);
+ 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);
+
+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-2.6.37/kernel/vserver/cvirt_proc.h linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cvirt_proc.h
---- linux-2.6.37/kernel/vserver/cvirt_proc.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/cvirt_proc.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,135 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/cvirt_proc.h linux-4.4.111-vs2.3.9.5/kernel/vserver/cvirt_proc.h
+--- linux-4.4.111/kernel/vserver/cvirt_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/cvirt_proc.h 2018-01-09 16:36:34.000000000 +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-2.6.37/kernel/vserver/debug.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/debug.c
---- linux-2.6.37/kernel/vserver/debug.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/debug.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/debug.c linux-4.4.111-vs2.3.9.5/kernel/vserver/debug.c
+--- linux-4.4.111/kernel/vserver/debug.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/debug.c 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,32 @@
+/*
+ * kernel/vserver/debug.c
+ *
-+ * Copyright (C) 2005-2007 Herbert Pötzl
++ * Copyright (C) 2005-2007 Herbert P?tzl
+ *
+ * V0.01 vx_info dump support
+ *
+
+EXPORT_SYMBOL_GPL(dump_vx_info);
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/device.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/device.c
---- linux-2.6.37/kernel/vserver/device.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/device.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/device.c linux-4.4.111-vs2.3.9.5/kernel/vserver/device.c
+--- linux-4.4.111/kernel/vserver/device.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/device.c 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,443 @@
+/*
+ * linux/kernel/vserver/device.c
+ *
+ * Linux-VServer: Device Support
+ *
-+ * Copyright (C) 2006 Herbert Pötzl
++ * Copyright (C) 2006 Herbert P?tzl
+ * Copyright (C) 2007 Daniel Hokka Zakrisson
+ *
+ * V0.01 device mapping basics
+ } 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);
+static inline int __user_device(const char __user *name, dev_t *dev,
+ umode_t *mode)
+{
-+ struct nameidata nd;
++ struct path path;
+ int ret;
+
+ if (!name) {
+ *dev = 0;
+ return 0;
+ }
-+ ret = user_lpath(name, &nd.path);
++ ret = user_lpath(name, &path);
+ if (ret)
+ return ret;
-+ if (nd.path.dentry->d_inode) {
-+ *dev = nd.path.dentry->d_inode->i_rdev;
-+ *mode = nd.path.dentry->d_inode->i_mode;
++ if (path.dentry->d_inode) {
++ *dev = path.dentry->d_inode->i_rdev;
++ *mode = path.dentry->d_inode->i_mode;
+ }
-+ path_put(&nd.path);
++ path_put(&path);
+ return 0;
+}
+
+#endif /* CONFIG_COMPAT */
+
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/dlimit.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/dlimit.c
---- linux-2.6.37/kernel/vserver/dlimit.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/dlimit.c 2011-01-05 23:26:15.000000000 +0100
-@@ -0,0 +1,531 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/dlimit.c linux-4.4.111-vs2.3.9.5/kernel/vserver/dlimit.c
+--- linux-4.4.111/kernel/vserver/dlimit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/dlimit.c 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,528 @@
+/*
+ * linux/kernel/vserver/dlimit.c
+ *
+ * Virtual Server: Context Disk Limits
+ *
-+ * Copyright (C) 2004-2009 Herbert Pötzl
++ * Copyright (C) 2004-2009 Herbert P?tzl
+ *
+ * V0.01 initial version
+ * V0.02 compat32 splitup
+ * 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;
+
+
+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;
+
+EXPORT_SYMBOL_GPL(locate_dl_info);
+EXPORT_SYMBOL_GPL(rcu_free_dl_info);
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/helper.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/helper.c
---- linux-2.6.37/kernel/vserver/helper.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/helper.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,223 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/helper.c linux-4.4.111-vs2.3.9.5/kernel/vserver/helper.c
+--- linux-4.4.111/kernel/vserver/helper.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/helper.c 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,242 @@
+/*
+ * linux/kernel/vserver/helper.c
+ *
+ * Virtual Context Support
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 basic helper
+ *
+
+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:
+ 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-2.6.37/kernel/vserver/history.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/history.c
---- linux-2.6.37/kernel/vserver/history.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/history.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/history.c linux-4.4.111-vs2.3.9.5/kernel/vserver/history.c
+--- linux-4.4.111/kernel/vserver/history.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/history.c 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,258 @@
+/*
+ * kernel/vserver/history.c
+ *
+ * Virtual Context History Backtrace
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 basic structure
+ * V0.02 hash/unhash and trace
+
+#endif /* CONFIG_COMPAT */
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/inet.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/inet.c
---- linux-2.6.37/kernel/vserver/inet.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/inet.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,224 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/inet.c linux-4.4.111-vs2.3.9.5/kernel/vserver/inet.c
+--- linux-4.4.111/kernel/vserver/inet.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/inet.c 2018-01-09 16:36:34.000000000 +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),
+ 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-2.6.37/kernel/vserver/init.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/init.c
---- linux-2.6.37/kernel/vserver/init.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/init.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,45 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/init.c linux-4.4.111-vs2.3.9.5/kernel/vserver/init.c
+--- linux-4.4.111/kernel/vserver/init.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/init.c 2018-01-09 22:31:39.000000000 +0000
+@@ -0,0 +1,46 @@
+/*
+ * linux/kernel/init.c
+ *
+ * Virtual Server Init
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 basic structure
+ *
+ */
+
+#include <linux/init.h>
++#include <linux/module.h>
+
+int vserver_register_sysctl(void);
+void vserver_unregister_sysctl(void);
+module_init(init_vserver);
+module_exit(exit_vserver);
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/inode.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/inode.c
---- linux-2.6.37/kernel/vserver/inode.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/inode.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,435 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/inode.c linux-4.4.111-vs2.3.9.5/kernel/vserver/inode.c
+--- linux-4.4.111/kernel/vserver/inode.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/inode.c 2018-01-09 22:24:56.000000000 +0000
+@@ -0,0 +1,440 @@
+/*
+ * linux/kernel/vserver/inode.c
+ *
+ * Virtual Server: File System Support
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 separated from vcontext V0.05
+ * V0.02 moved to tag (instead of xid)
+#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)
+ *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;
+
+ return -EFAULT;
+
+ filp = fget(fd);
-+ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ if (!filp || !filp->f_path.dentry || !filp->f_path.dentry->d_inode)
+ return -EBADF;
+
-+ ret = __vc_get_iattr(filp->f_dentry->d_inode,
++ ret = __vc_get_iattr(filp->f_path.dentry->d_inode,
+ &vc_data.tag, &vc_data.flags, &vc_data.mask);
+
+ fput(filp);
+
+ 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;
+ }
+
+ return -EFAULT;
+
+ filp = fget(fd);
-+ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ if (!filp || !filp->f_path.dentry || !filp->f_path.dentry->d_inode)
+ return -EBADF;
+
-+ ret = __vc_set_iattr(filp->f_dentry, &vc_data.tag,
++ ret = __vc_set_iattr(filp->f_path.dentry, &vc_data.tag,
+ &vc_data.flags, &vc_data.mask);
+
+ fput(filp);
+ }
+}
+
-+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(" VS_Q("%s") "): %d:#%d",
-+ p, token, option);
-+
+ switch (token) {
+#ifdef CONFIG_PROPAGATE
+ case Opt_tag:
+ __dx_parse_remove(s, "tag");
+ *mnt_flags |= MNT_TAGID;
+ set |= MNT_TAGID;
-+ break;
-+ case Opt_notag:
-+ if (remove)
-+ __dx_parse_remove(s, "notag");
-+ *mnt_flags |= MNT_NOTAG;
-+ set |= MNT_NOTAG;
-+ break;
-+ case Opt_tagid:
-+ if (tag && !match_int(args, &option))
-+ *tag = option;
-+ if (remove)
-+ __dx_parse_remove(s, "tagid");
-+ *mnt_flags |= MNT_TAGID;
-+ set |= MNT_TAGID;
-+ break;
-+#endif
-+ case Opt_notagcheck:
-+ if (remove)
-+ __dx_parse_remove(s, "notagcheck");
-+ *flags |= MS_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-2.6.37/kernel/vserver/Kconfig linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/Kconfig
---- linux-2.6.37/kernel/vserver/Kconfig 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/Kconfig 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,265 @@
-+#
-+# 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_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.
-+
-+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.
-+
-+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.
-+
-+config VSERVER_LEGACY_MEM
-+ bool "Legacy Memory Limits"
-+ default n
-+ help
-+ This provides fake memory limits to keep
-+ older tools happy in the face of memory
-+ cgroups
++ break;
++ case Opt_notag:
++ if (remove)
++ __dx_parse_remove(s, "notag");
++ *mnt_flags |= MNT_NOTAG;
++ set |= MNT_NOTAG;
++ break;
++ case Opt_tagid:
++ if (tag && !match_int(args, &option))
++ *tag = option;
++ if (remove)
++ __dx_parse_remove(s, "tagid");
++ *mnt_flags |= MNT_TAGID;
++ set |= MNT_TAGID;
++ break;
++#endif /* CONFIG_PROPAGATE */
++ case Opt_notagcheck:
++ if (remove)
++ __dx_parse_remove(s, "notagcheck");
++ *flags |= MS_NOTAGCHECK;
++ set |= MS_NOTAGCHECK;
++ break;
++ }
++ 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;
++}
+
-+choice
-+ prompt "Quotes used in debug and warn messages"
-+ default QUOTES_ISO8859
++#ifdef CONFIG_PROPAGATE
+
-+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.
++void __dx_propagate_tag(struct nameidata *nd, struct inode *inode)
++{
++ vtag_t new_tag = 0;
++ struct vfsmount *mnt;
++ int propagate;
+
-+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.
++ if (!nd)
++ return;
++ mnt = nd->path.mnt;
++ if (!mnt)
++ return;
+
-+config QUOTES_ASCII
-+ bool "ASCII single quotes"
-+ help
-+ This uses the ASCII single quote character
-+ (\x27) to quote file and process names.
++ propagate = (mnt->mnt_flags & MNT_TAGID);
++ if (propagate)
++ new_tag = mnt->mnt_tag;
+
-+endchoice
++ 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);
+
-+endmenu
++ if (propagate)
++ i_tag_write(inode, new_tag);
++}
+
++#include <linux/module.h>
+
-+config VSERVER
-+ bool
-+ default y
-+ select NAMESPACES
-+ select UTS_NS
-+ select IPC_NS
-+ select USER_NS
-+ select SYSVIPC
++EXPORT_SYMBOL_GPL(__dx_propagate_tag);
+
-+config VSERVER_SECURITY
-+ bool
-+ depends on SECURITY
-+ default y
-+ select SECURITY_CAPABILITIES
++#endif /* CONFIG_PROPAGATE */
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/limit.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/limit.c
---- linux-2.6.37/kernel/vserver/limit.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/limit.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,354 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/limit.c linux-4.4.111-vs2.3.9.5/kernel/vserver/limit.c
+--- linux-4.4.111/kernel/vserver/limit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/limit.c 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,343 @@
+/*
+ * linux/kernel/vserver/limit.c
+ *
+ * Virtual Server: Context Limits
+ *
-+ * Copyright (C) 2004-2010 Herbert Pötzl
++ * Copyright (C) 2004-2010 Herbert P?tzl
+ *
+ * V0.01 broken out from vcontext V0.05
+ * V0.02 changed vcmds to vxi arg
+#include <linux/sched.h>
+#include <linux/module.h>
+#include <linux/memcontrol.h>
-+#include <linux/res_counter.h>
++#include <linux/page_counter.h>
+#include <linux/vs_limit.h>
+#include <linux/vserver/limit.h>
+#include <linux/vserver/limit_cmd.h>
+
+
+const char *vlimit_name[NUM_LIMITS] = {
-+#ifdef CONFIG_VSERVER_LEGACY_MEM
-+ [RLIMIT_RSS] = "RSS",
-+ [RLIMIT_AS] = "VM",
-+#endif /* CONFIG_VSERVER_LEGACY_MEM */
+ [RLIMIT_CPU] = "CPU",
+ [RLIMIT_NPROC] = "NPROC",
+ [RLIMIT_NOFILE] = "NOFILE",
+ /* minimum */
+ 0
+ , /* softlimit */
-+#ifdef CONFIG_VSERVER_LEGACY_MEM
-+ MASK_ENTRY( RLIMIT_RSS ) |
-+#endif /* CONFIG_VSERVER_LEGACY_MEM */
+ 0
+ , /* maximum */
-+#ifdef CONFIG_VSERVER_LEGACY_MEM
-+ MASK_ENTRY( RLIMIT_RSS ) |
-+ MASK_ENTRY( RLIMIT_AS ) |
-+#endif /* CONFIG_VSERVER_LEGACY_MEM */
+ MASK_ENTRY( RLIMIT_NPROC ) |
+ MASK_ENTRY( RLIMIT_NOFILE ) |
+ MASK_ENTRY( RLIMIT_LOCKS ) |
+}
+
+
++#ifdef CONFIG_MEMCG
+void vx_vsi_meminfo(struct sysinfo *val)
+{
-+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
-+ struct mem_cgroup *mcg = mem_cgroup_from_task(current);
++ struct mem_cgroup *mcg;
+ u64 res_limit, res_usage;
+
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
+ if (!mcg)
-+ return;
++ goto out;
+
-+ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
-+ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
++ res_limit = mem_cgroup_mem_limit_pages(mcg);
++ res_usage = mem_cgroup_mem_usage_pages(mcg);
+
-+ if (res_limit != RESOURCE_MAX)
-+ val->totalram = (res_limit >> PAGE_SHIFT);
-+ val->freeram = val->totalram - (res_usage >> PAGE_SHIFT);
++ if (res_limit != PAGE_COUNTER_MAX)
++ val->totalram = res_limit;
++ val->freeram = val->totalram - res_usage;
+ val->bufferram = 0;
+ val->totalhigh = 0;
+ val->freehigh = 0;
-+#endif /* CONFIG_CGROUP_MEM_RES_CTLR */
++out:
+ return;
+}
+
+void vx_vsi_swapinfo(struct sysinfo *val)
+{
-+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
-+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
-+ struct mem_cgroup *mcg = mem_cgroup_from_task(current);
++#ifdef CONFIG_MEMCG_SWAP
++ struct mem_cgroup *mcg;
+ u64 res_limit, res_usage, memsw_limit, memsw_usage;
+ s64 swap_limit, swap_usage;
+
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
+ if (!mcg)
-+ return;
++ 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);
++ res_limit = mem_cgroup_mem_limit_pages(mcg);
++ res_usage = mem_cgroup_mem_usage_pages(mcg);
++ memsw_limit = mem_cgroup_memsw_limit_pages(mcg);
++ memsw_usage = mem_cgroup_memsw_usage_pages(mcg);
+
-+ if (res_limit == RESOURCE_MAX)
-+ return;
++ /* memory unlimited */
++ if (res_limit == PAGE_COUNTER_MAX)
++ goto out;
+
+ swap_limit = memsw_limit - res_limit;
-+ if (memsw_limit != RESOURCE_MAX)
-+ val->totalswap = swap_limit >> PAGE_SHIFT;
++ /* we have a swap limit? */
++ if (memsw_limit != PAGE_COUNTER_MAX)
++ val->totalswap = swap_limit;
++
++ /* calculate swap part */
++ swap_usage = (memsw_usage > res_usage) ?
++ memsw_usage - res_usage : 0;
+
-+ swap_usage = memsw_usage - res_usage;
++ /* total shown minus usage gives free swap */
+ val->freeswap = (swap_usage < swap_limit) ?
-+ val->totalswap - (swap_usage >> PAGE_SHIFT) : 0;
-+#else /* !CONFIG_CGROUP_MEM_RES_CTLR_SWAP */
++ val->totalswap - swap_usage : 0;
++out:
++#else /* !CONFIG_MEMCG_SWAP */
+ val->totalswap = 0;
+ val->freeswap = 0;
-+#endif /* !CONFIG_CGROUP_MEM_RES_CTLR_SWAP */
-+#endif /* CONFIG_CGROUP_MEM_RES_CTLR */
++#endif /* !CONFIG_MEMCG_SWAP */
+ return;
+}
+
+long vx_vsi_cached(struct sysinfo *val)
+{
-+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
-+ struct mem_cgroup *mcg = mem_cgroup_from_task(current);
-+
-+ return mem_cgroup_stat_read_cache(mcg);
-+#else
-+ return 0;
-+#endif
-+}
-+
-+
-+unsigned long vx_badness(struct task_struct *task, struct mm_struct *mm)
-+{
-+ 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_BROKEN
++ 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;
+}
++#endif /* !CONFIG_MEMCG */
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/limit_init.h linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/limit_init.h
---- linux-2.6.37/kernel/vserver/limit_init.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/limit_init.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/limit_init.h linux-4.4.111-vs2.3.9.5/kernel/vserver/limit_init.h
+--- linux-4.4.111/kernel/vserver/limit_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/limit_init.h 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,31 @@
+
+
+ }
+}
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/limit_proc.h linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/limit_proc.h
---- linux-2.6.37/kernel/vserver/limit_proc.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/limit_proc.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/limit_proc.h linux-4.4.111-vs2.3.9.5/kernel/vserver/limit_proc.h
+--- linux-4.4.111/kernel/vserver/limit_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/limit_proc.h 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,57 @@
+#ifndef _VX_LIMIT_PROC_H
+#define _VX_LIMIT_PROC_H
+#endif /* _VX_LIMIT_PROC_H */
+
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/Makefile linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/Makefile
---- linux-2.6.37/kernel/vserver/Makefile 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/Makefile 2010-11-23 02:09:41.000000000 +0100
-@@ -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-2.6.37/kernel/vserver/network.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/network.c
---- linux-2.6.37/kernel/vserver/network.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/network.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,864 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/network.c linux-4.4.111-vs2.3.9.5/kernel/vserver/network.c
+--- linux-4.4.111/kernel/vserver/network.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/network.c 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,1053 @@
+/*
+ * linux/kernel/vserver/network.c
+ *
+ * Virtual Server: Network Support
+ *
-+ * Copyright (C) 2003-2007 Herbert Pötzl
++ * Copyright (C) 2003-2007 Herbert P?tzl
+ *
+ * V0.01 broken out from vcontext V0.05
+ * V0.02 cleaned up implementation
+#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;
+
+ * 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-2.6.37/kernel/vserver/proc.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/proc.c
---- linux-2.6.37/kernel/vserver/proc.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/proc.c 2011-01-08 03:33:34.000000000 +0100
-@@ -0,0 +1,1098 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/proc.c linux-4.4.111-vs2.3.9.5/kernel/vserver/proc.c
+--- linux-4.4.111/kernel/vserver/proc.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/proc.c 2018-01-11 12:02:42.000000000 +0000
+@@ -0,0 +1,1040 @@
+/*
+ * linux/kernel/vserver/proc.c
+ *
+ * Virtual Context Support
+ *
-+ * Copyright (C) 2003-2007 Herbert Pötzl
++ * Copyright (C) 2003-2011 Herbert P?tzl
+ *
+ * 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)
+{
+
+ 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,
++ (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;
+}
+ 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 dentry *child, *dir = filp->f_path.dentry;
+ struct inode *inode;
+ struct qstr qname;
+ ino_t ino = 0;
+ 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;
+static ssize_t proc_vs_info_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
-+ struct inode *inode = file->f_dentry->d_inode;
++ struct inode *inode = file->f_path.dentry->d_inode;
+ unsigned long page;
+ ssize_t length = 0;
+
+static ssize_t proc_vx_info_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
-+ struct inode *inode = file->f_dentry->d_inode;
++ struct inode *inode = file->f_path.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;
+
+static ssize_t proc_nx_info_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
-+ struct inode *inode = file->f_dentry->d_inode;
++ struct inode *inode = file->f_path.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 dentry *dentry = filp->f_path.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;
-+ u64 ino;
++ int index;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
-+ case 0:
-+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ case 1:
-+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ default:
-+ index = pos - 2;
-+ if (index >= size)
-+ goto out;
++ if (!dir_emit_dots(filp, ctx))
++ return 0;
++
++ index = ctx->pos - 2;
++ if (index < size) {
+ 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++;
++ return 0;
++ 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 dentry *dentry = filp->f_path.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;
-+ u64 ino;
++ int index;
+
-+ pos = filp->f_pos;
-+ switch (pos) {
-+ case 0:
-+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ case 1:
-+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ default:
-+ index = pos - 2;
-+ if (index >= size)
-+ goto out;
++ if (!dir_emit_dots(filp, ctx))
++ return 0;
++
++ index = ctx->pos - 2;
++ if (index < size) {
+ 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++;
++ return 0;
++ 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) {
-+ case 0:
-+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ case 1:
-+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ default:
-+ index = pos - 2;
-+ if (index >= size)
-+ goto entries;
++ if (!dir_emit_dots(filp, ctx))
++ return 0;
++
++ index = ctx->pos - 2;
++ if (index < size) {
+ 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++;
-+ }
-+ entries:
-+ index = 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++) {
-+ int n, xid = xid_array[i];
-+ unsigned int j = PROC_NUMBUF;
-+
-+ n = xid;
-+ do
-+ buf[--j] = '0' + (n % 10);
-+ while (n /= 10);
-+
-+ if (proc_fill_cache(filp, dirent, filldir,
-+ buf + j, PROC_NUMBUF - j,
-+ vs_proc_instantiate, xid, p))
-+ goto out;
-+ pos++;
++ return 0;
++ ctx->pos++;
+ }
+ }
-+out:
-+ filp->f_pos = pos;
++
++ 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++) {
++ int n, xid = xid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = xid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (vx_proc_fill_cache(filp, ctx,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, xid, p))
++ return 0;
++ ctx->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) {
-+ case 0:
-+ ino = inode->i_ino;
-+ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ case 1:
-+ ino = parent_ino(dentry);
-+ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
-+ goto out;
-+ pos++;
-+ /* fall through */
-+ default:
-+ index = pos - 2;
-+ if (index >= size)
-+ goto entries;
++ if (!dir_emit_dots(filp, ctx))
++ return 0;
++
++ index = ctx->pos - 2;
++ if (index < size) {
+ 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++;
-+ }
-+ entries:
-+ index = 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++) {
-+ int n, nid = nid_array[i];
-+ unsigned int j = PROC_NUMBUF;
-+
-+ n = nid;
-+ do
-+ buf[--j] = '0' + (n % 10);
-+ while (n /= 10);
-+
-+ if (proc_fill_cache(filp, dirent, filldir,
-+ buf + j, PROC_NUMBUF - j,
-+ vs_proc_instantiate, nid, p))
-+ goto out;
-+ pos++;
++ return 0;
++ ctx->pos++;
+ }
+ }
-+out:
-+ filp->f_pos = pos;
++
++ 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++) {
++ int n, nid = nid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = nid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (vx_proc_fill_cache(filp, ctx,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, nid, p))
++ return 0;
++ ctx->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-2.6.37/kernel/vserver/sched.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/sched.c
---- linux-2.6.37/kernel/vserver/sched.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/sched.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,82 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/sched.c linux-4.4.111-vs2.3.9.5/kernel/vserver/sched.c
+--- linux-4.4.111/kernel/vserver/sched.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/sched.c 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,83 @@
+/*
+ * linux/kernel/vserver/sched.c
+ *
+ * Virtual Server: Scheduler Support
+ *
-+ * Copyright (C) 2004-2010 Herbert Pötzl
++ * Copyright (C) 2004-2010 Herbert P?tzl
+ *
+ * V0.01 adapted Sam Vilains version to 2.6.3
+ * V0.02 removed legacy interface
+
+#include <linux/vs_context.h>
+#include <linux/vs_sched.h>
++#include <linux/cpumask.h>
+#include <linux/vserver/sched_cmd.h>
+
+#include <asm/uaccess.h>
+ data->prio_bias = MIN_PRIO_BIAS;
+
+ if (data->cpu_id != ~0) {
-+ vxi->sched.update = cpumask_of_cpu(data->cpu_id);
-+ cpus_and(vxi->sched.update, cpu_online_map,
-+ vxi->sched.update);
++ vxi->sched.update = *get_cpu_mask(data->cpu_id);
++ cpumask_and(&vxi->sched.update, &vxi->sched.update,
++ cpu_online_mask);
+ } else
-+ vxi->sched.update = cpu_online_map;
++ cpumask_copy(&vxi->sched.update, cpu_online_mask);
+
-+ for_each_cpu_mask(cpu, vxi->sched.update)
++ for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)vxi->sched.update)
+ vx_update_sched_param(&vxi->sched,
+ &vx_per_cpu(vxi, sched_pc, cpu));
+ return 0;
+ return 0;
+}
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/sched_init.h linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/sched_init.h
---- linux-2.6.37/kernel/vserver/sched_init.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/sched_init.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/sched_init.h linux-4.4.111-vs2.3.9.5/kernel/vserver/sched_init.h
+--- linux-4.4.111/kernel/vserver/sched_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/sched_init.h 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,27 @@
+
+static inline void vx_info_init_sched(struct _vx_sched *sched)
+{
+ return;
+}
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/sched_proc.h linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/sched_proc.h
---- linux-2.6.37/kernel/vserver/sched_proc.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/sched_proc.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/sched_proc.h linux-4.4.111-vs2.3.9.5/kernel/vserver/sched_proc.h
+--- linux-4.4.111/kernel/vserver/sched_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/sched_proc.h 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,32 @@
+#ifndef _VX_SCHED_PROC_H
+#define _VX_SCHED_PROC_H
+}
+
+#endif /* _VX_SCHED_PROC_H */
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/signal.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/signal.c
---- linux-2.6.37/kernel/vserver/signal.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/signal.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,132 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/signal.c linux-4.4.111-vs2.3.9.5/kernel/vserver/signal.c
+--- linux-4.4.111/kernel/vserver/signal.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/signal.c 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,134 @@
+/*
+ * linux/kernel/vserver/signal.c
+ *
+ * Virtual Server: Signal Support
+ *
-+ * Copyright (C) 2003-2007 Herbert Pötzl
++ * Copyright (C) 2003-2007 Herbert P?tzl
+ *
+ * V0.01 broken out from vcontext V0.05
+ * V0.02 changed vcmds to vxi arg
+ }
+ /* 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-2.6.37/kernel/vserver/space.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/space.c
---- linux-2.6.37/kernel/vserver/space.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/space.c 2011-01-31 21:05:40.000000000 +0100
-@@ -0,0 +1,438 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/space.c linux-4.4.111-vs2.3.9.5/kernel/vserver/space.c
+--- linux-4.4.111/kernel/vserver/space.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/space.c 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,436 @@
+/*
+ * linux/kernel/vserver/space.c
+ *
+ * Virtual Server: Context Space Support
+ *
-+ * Copyright (C) 2003-2010 Herbert Pötzl
++ * Copyright (C) 2003-2010 Herbert P?tzl
+ *
+ * V0.01 broken out from context.c 0.07
+ * V0.02 added task locking for namespace
+#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
+
+#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
+ struct cred *cred;
+
+ vxdprintk(VXD_CBIT(space, 10),
-+#if 1
-+ "vx_enter_space(%p[#%u])", vxi, vxi->vx_id);
-+#else
-+ "vx_enter_space(%p[#%u],%p,%p) cred (%p,%p)",
-+ vxi, vxi->vx_id,
-+ space->vx_real_cred, space->vx_cred,
++ "vx_enter_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
+ current->real_cred, current->cred);
-+ exit_creds(current);
-+ current->real_cred = get_cred(space->vx_real_cred);
-+ alter_cred_subscribers(current->real_cred, 1);
-+#endif
-+ cred = __prepare_creds(space->vx_cred);
-+ if (cred)
-+ commit_creds(cred);
++
++ if (space->vx_cred) {
++ cred = __prepare_creds(space->vx_cred);
++ if (cred)
++ commit_creds(cred);
++ }
+ }
+
+ ret = 0;
+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;
++ struct fs_struct *fs_vxi, *fs = NULL;
+ struct _vx_space *space;
+ int ret, kill = 0;
+
+ struct cred *cred;
+
+ vxdprintk(VXD_CBIT(space, 10),
-+#if 1
-+ "vx_set_space(%p[#%u])", vxi, vxi->vx_id);
-+#else
-+ "vx_set_space(%p[#%u],%p,%p) cred (%p,%p)",
-+ vxi, vxi->vx_id,
-+ space->vx_real_cred, space->vx_cred,
++ "vx_set_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
+ current->real_cred, current->cred);
+
-+ if (current->real_cred) {
-+ cred = get_cred(current->real_cred);
-+ alter_cred_subscribers(cred, 1);
-+ } else
-+ cred = NULL;
-+ cred = xchg(&space->vx_real_cred, cred);
-+ if (cred) {
-+ alter_cred_subscribers(cred, -1);
-+ put_cred(cred);
-+ }
-+
-+#endif
+ cred = prepare_creds();
+ cred = (struct cred *)xchg(&space->vx_cred, cred);
+ if (cred)
+ return 0;
+}
+
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/switch.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/switch.c
---- linux-2.6.37/kernel/vserver/switch.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/switch.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,531 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/switch.c linux-4.4.111-vs2.3.9.5/kernel/vserver/switch.c
+--- linux-4.4.111/kernel/vserver/switch.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/switch.c 2018-01-09 16:36:34.000000000 +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 P?tzl
+ *
+ * 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);
+ 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);
+ __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(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_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);
+}
+
+#endif /* CONFIG_COMPAT */
-diff -NurpP --minimal linux-2.6.37/kernel/vserver/sysctl.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/sysctl.c
---- linux-2.6.37/kernel/vserver/sysctl.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/sysctl.c 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,241 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/sysctl.c linux-4.4.111-vs2.3.9.5/kernel/vserver/sysctl.c
+--- linux-4.4.111/kernel/vserver/sysctl.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/sysctl.c 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,247 @@
+/*
+ * kernel/vserver/sysctl.c
+ *
+ * Virtual Context Support
+ *
-+ * Copyright (C) 2004-2007 Herbert Pötzl
++ * Copyright (C) 2004-2007 Herbert P?tzl
+ *
+ * V0.01 basic structure
+ *
+ 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,
++static int proc_dodebug(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ char tmpbuf[20], *p, c;
+#define CTL_ENTRY(ctl, name) \
+ { \
+ .procname = #name, \
-+ .data = &vx_ ## name, \
++ .data = &vs_ ## name, \
+ .maxlen = sizeof(int), \
+ .mode = 0644, \
+ .proc_handler = &proc_dodebug, \
+ .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),
+ { 0 }
+};
+
-+static ctl_table vserver_root_table[] = {
++static struct ctl_table vserver_root_table[] = {
+ {
+ .procname = "vserver",
+ .mode = 0555,
+ { 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-2.6.37/kernel/vserver/tag.c linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/tag.c
---- linux-2.6.37/kernel/vserver/tag.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/tag.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/tag.c linux-4.4.111-vs2.3.9.5/kernel/vserver/tag.c
+--- linux-4.4.111/kernel/vserver/tag.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/tag.c 2018-01-09 16:36:34.000000000 +0000
@@ -0,0 +1,63 @@
+/*
+ * linux/kernel/vserver/tag.c
+ *
+ * Virtual Server: Shallow Tag Space
+ *
-+ * Copyright (C) 2007 Herbert Pötzl
++ * Copyright (C) 2007 Herbert P?tzl
+ *
+ * V0.01 basic implementation
+ *
+#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-2.6.37/kernel/vserver/vci_config.h linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/vci_config.h
---- linux-2.6.37/kernel/vserver/vci_config.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/kernel/vserver/vci_config.h 2010-11-23 02:09:41.000000000 +0100
-@@ -0,0 +1,82 @@
+diff -NurpP --minimal linux-4.4.111/kernel/vserver/vci_config.h linux-4.4.111-vs2.3.9.5/kernel/vserver/vci_config.h
+--- linux-4.4.111/kernel/vserver/vci_config.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/kernel/vserver/vci_config.h 2018-01-09 16:36:34.000000000 +0000
+@@ -0,0 +1,80 @@
+
+/* interface version */
+
-+#define VCI_VERSION 0x00020307
++#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_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) |
-+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
++#ifdef CONFIG_MEMCG
+ (1 << VCI_KCBIT_MEMCG) |
+#endif
++#ifdef CONFIG_MEMCG_SWAP
++ (1 << VCI_KCBIT_MEMCG_SWAP) |
++#endif
+
+ /* debug options */
+#ifdef CONFIG_VSERVER_DEBUG
+ 0;
+}
+
-diff -NurpP --minimal linux-2.6.37/mm/filemap_xip.c linux-2.6.37-vs2.3.0.37-rc3/mm/filemap_xip.c
---- linux-2.6.37/mm/filemap_xip.c 2010-07-07 18:31:58.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/filemap_xip.c 2010-11-23 02:09:41.000000000 +0100
-@@ -18,6 +18,7 @@
- #include <linux/seqlock.h>
- #include <linux/mutex.h>
- #include <linux/gfp.h>
-+#include <linux/vs_memory.h>
- #include <asm/tlbflush.h>
- #include <asm/io.h>
-
-diff -NurpP --minimal linux-2.6.37/mm/fremap.c linux-2.6.37-vs2.3.0.37-rc3/mm/fremap.c
---- linux-2.6.37/mm/fremap.c 2010-10-21 13:07:57.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/fremap.c 2010-11-23 02:09:41.000000000 +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-2.6.37/mm/hugetlb.c linux-2.6.37-vs2.3.0.37-rc3/mm/hugetlb.c
---- linux-2.6.37/mm/hugetlb.c 2011-01-05 21:50:39.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/hugetlb.c 2011-01-05 22:30:43.000000000 +0100
-@@ -28,6 +28,7 @@
-
- #include <linux/hugetlb.h>
- #include <linux/node.h>
-+#include <linux/vs_memory.h>
- #include "internal.h"
-
- const unsigned long hugetlb_zero = 0, hugetlb_infinity = ~0UL;
-diff -NurpP --minimal linux-2.6.37/mm/memcontrol.c linux-2.6.37-vs2.3.0.37-rc3/mm/memcontrol.c
---- linux-2.6.37/mm/memcontrol.c 2011-01-05 21:50:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/memcontrol.c 2011-01-05 22:30:43.000000000 +0100
-@@ -681,6 +681,31 @@ struct mem_cgroup *mem_cgroup_from_task(
- struct mem_cgroup, css);
+diff -NurpP --minimal linux-4.4.111/mm/memcontrol.c linux-4.4.111-vs2.3.9.5/mm/memcontrol.c
+--- linux-4.4.111/mm/memcontrol.c 2018-01-11 07:57:53.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/mm/memcontrol.c 2018-01-09 16:36:34.000000000 +0000
+@@ -2888,6 +2888,28 @@ static u64 mem_cgroup_read_u64(struct cg
+ }
}
-+u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member)
++u64 mem_cgroup_mem_usage_pages(struct mem_cgroup *memcg)
+{
-+ return res_counter_read_u64(&mem->res, member);
++ return mem_cgroup_usage(memcg, false) >> PAGE_SHIFT;
+}
+
-+u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member)
++u64 mem_cgroup_mem_limit_pages(struct mem_cgroup *memcg)
+{
-+ return res_counter_read_u64(&mem->memsw, member);
++ return (u64)memcg->memory.limit;
+}
+
-+s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem)
++u64 mem_cgroup_memsw_usage_pages(struct mem_cgroup *memcg)
+{
-+ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_CACHE);
++ return mem_cgroup_usage(memcg, true) >> PAGE_SHIFT;
+}
+
-+s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem)
++u64 mem_cgroup_memsw_limit_pages(struct mem_cgroup *memcg)
+{
-+ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_RSS);
++ return (u64)memcg->memsw.limit;
+}
+
-+s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem)
-+{
-+ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_FILE_MAPPED);
-+}
+
- static struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm)
- {
- struct mem_cgroup *mem = NULL;
-diff -NurpP --minimal linux-2.6.37/mm/memory.c linux-2.6.37-vs2.3.0.37-rc3/mm/memory.c
---- linux-2.6.37/mm/memory.c 2011-01-05 21:50:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/memory.c 2010-11-23 02:09:41.000000000 +0100
-@@ -3153,6 +3153,7 @@ 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)) {
-@@ -3177,9 +3178,12 @@ static inline int handle_pte_fault(struc
- if (unlikely(!pte_same(*pte, entry)))
- goto unlock;
- if (flags & FAULT_FLAG_WRITE) {
-- 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);
-@@ -3197,7 +3201,10 @@ 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-2.6.37/mm/mremap.c linux-2.6.37-vs2.3.0.37-rc3/mm/mremap.c
---- linux-2.6.37/mm/mremap.c 2011-01-05 21:50:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/mremap.c 2010-11-23 02:09:41.000000000 +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>
-diff -NurpP --minimal linux-2.6.37/mm/oom_kill.c linux-2.6.37-vs2.3.0.37-rc3/mm/oom_kill.c
---- linux-2.6.37/mm/oom_kill.c 2011-01-05 21:50:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/oom_kill.c 2010-11-23 02:09:41.000000000 +0100
-@@ -31,6 +31,9 @@
- #include <linux/memcontrol.h>
- #include <linux/mempolicy.h>
- #include <linux/security.h>
++
+ #ifdef CONFIG_MEMCG_KMEM
+ static int memcg_activate_kmem(struct mem_cgroup *memcg,
+ unsigned long nr_pages)
+diff -NurpP --minimal linux-4.4.111/mm/oom_kill.c linux-4.4.111-vs2.3.9.5/mm/oom_kill.c
+--- linux-4.4.111/mm/oom_kill.c 2016-07-05 04:15:13.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/mm/oom_kill.c 2018-01-09 16:56:23.000000000 +0000
+@@ -35,6 +35,8 @@
+ #include <linux/freezer.h>
+ #include <linux/ftrace.h>
+ #include <linux/ratelimit.h>
+#include <linux/reboot.h>
-+#include <linux/vs_memory.h>
+#include <linux/vs_context.h>
- int sysctl_panic_on_oom;
- int sysctl_oom_kill_allocating_task;
-@@ -124,11 +127,18 @@ struct task_struct *find_lock_task_mm(st
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/oom.h>
+@@ -131,11 +133,18 @@ static inline bool is_sysrq_oom(struct o
static bool oom_unkillable_task(struct task_struct *p,
- const struct mem_cgroup *mem, const nodemask_t *nodemask)
+ struct mem_cgroup *memcg, const nodemask_t *nodemask)
{
- if (is_global_init(p))
+ unsigned xid = vx_current_xid();
+ return true;
+
/* When mem_cgroup_out_of_memory() and p is not member of the group */
- if (mem && !task_in_mem_cgroup(p, mem))
+ if (memcg && !task_in_mem_cgroup(p, memcg))
return true;
-@@ -210,6 +220,18 @@ unsigned int oom_badness(struct task_str
- points += p->signal->oom_score_adj;
-
- /*
-+ * add points for context badness and
-+ * reduce badness for processes belonging to
-+ * a different context
-+ */
-+
-+ points += vx_badness(p, p->mm);
-+
-+ if ((vx_current_xid() > 1) &&
-+ vx_current_xid() != vx_task_xid(p))
-+ points /= 16;
-+
-+ /*
- * Never return 0 for an eligible task that may be killed since it's
- * possible that no single user task uses more than 0.1% of memory and
- * no single admin tasks uses more than 3.0%.
-@@ -414,8 +436,8 @@ static int oom_kill_task(struct task_str
- /* mm cannot be safely dereferenced after task_unlock(p) */
- mm = p->mm;
+@@ -534,8 +543,8 @@ void oom_kill_process(struct oom_control
+ if (__ratelimit(&oom_rs))
+ dump_header(oc, p, memcg);
-- pr_err("Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
-- task_pid_nr(p), p->comm, K(p->mm->total_vm),
-+ pr_err("Killed process %d:#%u (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
-+ task_pid_nr(p), p->xid, p->comm, K(p->mm->total_vm),
- K(get_mm_counter(p->mm, MM_ANONPAGES)),
- K(get_mm_counter(p->mm, MM_FILEPAGES)));
- task_unlock(p);
-@@ -477,8 +499,8 @@ static int oom_kill_process(struct task_
- }
-
- task_lock(p);
-- pr_err("%s: Kill process %d (%s) score %d or sacrifice child\n",
+- pr_err("%s: Kill process %d (%s) score %u 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);
/*
-@@ -567,6 +589,8 @@ int unregister_oom_notifier(struct notif
+ * If any of p's children has a different mm and is eligible for kill,
+@@ -585,8 +594,8 @@ void oom_kill_process(struct oom_control
+ */
+ do_send_sig_info(SIGKILL, SEND_SIG_FORCED, victim, true);
+ mark_oom_victim(victim);
+- 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);
+@@ -622,6 +631,8 @@ void oom_kill_process(struct oom_control
}
- EXPORT_SYMBOL_GPL(unregister_oom_notifier);
+ #undef K
+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
-@@ -726,7 +750,12 @@ retry:
- if (!p) {
- dump_header(NULL, gfp_mask, order, NULL, mpol_mask);
- read_unlock(&tasklist_lock);
+ * Determines whether the kernel must panic because of the panic_on_oom sysctl.
+ */
+@@ -722,7 +733,12 @@ bool out_of_memory(struct oom_control *o
+ /* Found nothing?!?! Either we hang forever, or we panic. */
+ if (!p && !is_sysrq_oom(oc)) {
+ dump_header(oc, NULL, NULL);
- panic("Out of memory and no killable processes...\n");
+
+ /* avoid panic for guest OOM */
-+ if (current->xid)
++ if (vx_current_xid())
+ vs_oom_action(LINUX_REBOOT_CMD_OOM);
+ else
+ panic("Out of memory and no killable processes...\n");
}
-
- if (oom_kill_process(p, gfp_mask, order, points, totalpages, NULL,
-diff -NurpP --minimal linux-2.6.37/mm/page_alloc.c linux-2.6.37-vs2.3.0.37-rc3/mm/page_alloc.c
---- linux-2.6.37/mm/page_alloc.c 2011-01-05 21:50:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/page_alloc.c 2011-01-05 22:30:43.000000000 +0100
-@@ -53,6 +53,8 @@
- #include <linux/compaction.h>
- #include <trace/events/kmem.h>
- #include <linux/ftrace_event.h>
+ if (p && p != (void *)-1UL) {
+ oom_kill_process(oc, p, points, totalpages, NULL,
+diff -NurpP --minimal linux-4.4.111/mm/page_alloc.c linux-4.4.111-vs2.3.9.5/mm/page_alloc.c
+--- linux-4.4.111/mm/page_alloc.c 2018-01-11 07:57:53.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/mm/page_alloc.c 2018-01-09 16:57:52.000000000 +0000
+@@ -62,6 +62,8 @@
+ #include <linux/sched/rt.h>
+ #include <linux/page_owner.h>
+ #include <linux/kthread.h>
+#include <linux/vs_base.h>
+#include <linux/vs_limit.h>
+ #include <asm/sections.h>
#include <asm/tlbflush.h>
- #include <asm/div64.h>
-@@ -2335,6 +2337,9 @@ void si_meminfo(struct sysinfo *val)
+@@ -3661,6 +3663,9 @@ void si_meminfo(struct sysinfo *val)
val->totalhigh = totalhigh_pages;
val->freehigh = nr_free_highpages();
val->mem_unit = PAGE_SIZE;
}
EXPORT_SYMBOL(si_meminfo);
-@@ -2355,6 +2360,9 @@ void si_meminfo_node(struct sysinfo *val
+@@ -3686,6 +3691,9 @@ void si_meminfo_node(struct sysinfo *val
val->freehigh = 0;
#endif
val->mem_unit = PAGE_SIZE;
}
#endif
-diff -NurpP --minimal linux-2.6.37/mm/rmap.c linux-2.6.37-vs2.3.0.37-rc3/mm/rmap.c
---- linux-2.6.37/mm/rmap.c 2011-01-05 21:50:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/rmap.c 2010-11-23 02:09:41.000000000 +0100
-@@ -57,6 +57,7 @@
- #include <linux/mmu_notifier.h>
- #include <linux/migrate.h>
- #include <linux/hugetlb.h>
-+#include <linux/vs_memory.h>
-
- #include <asm/tlbflush.h>
+diff -NurpP --minimal linux-4.4.111/mm/pgtable-generic.c linux-4.4.111-vs2.3.9.5/mm/pgtable-generic.c
+--- linux-4.4.111/mm/pgtable-generic.c 2018-01-11 07:57:53.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/mm/pgtable-generic.c 2018-01-09 16:36:34.000000000 +0000
+@@ -6,6 +6,8 @@
+ * Copyright (C) 2010 Linus Torvalds
+ */
-diff -NurpP --minimal linux-2.6.37/mm/shmem.c linux-2.6.37-vs2.3.0.37-rc3/mm/shmem.c
---- linux-2.6.37/mm/shmem.c 2011-01-05 21:50:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/shmem.c 2010-11-23 02:09:41.000000000 +0100
-@@ -1816,7 +1816,7 @@ 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-4.4.111/mm/shmem.c linux-4.4.111-vs2.3.9.5/mm/shmem.c
+--- linux-4.4.111/mm/shmem.c 2018-01-11 07:57:53.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/mm/shmem.c 2018-01-09 16:36:34.000000000 +0000
+@@ -2198,7 +2198,7 @@ static int shmem_statfs(struct dentry *d
{
struct shmem_sb_info *sbinfo = SHMEM_SB(dentry->d_sb);
buf->f_bsize = PAGE_CACHE_SIZE;
buf->f_namelen = NAME_MAX;
if (sbinfo->max_blocks) {
-@@ -2378,7 +2378,7 @@ int shmem_fill_super(struct super_block
- sb->s_maxbytes = SHMEM_MAX_BYTES;
+@@ -3044,7 +3044,7 @@ 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-2.6.37/mm/slab.c linux-2.6.37-vs2.3.0.37-rc3/mm/slab.c
---- linux-2.6.37/mm/slab.c 2011-01-05 21:50:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/slab.c 2010-11-23 02:09:41.000000000 +0100
-@@ -407,6 +407,8 @@ static void kmem_list3_init(struct kmem_
+ #ifdef CONFIG_TMPFS_XATTR
+diff -NurpP --minimal linux-4.4.111/mm/slab.c linux-4.4.111-vs2.3.9.5/mm/slab.c
+--- linux-4.4.111/mm/slab.c 2016-07-05 04:15:13.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/mm/slab.c 2018-01-09 16:36:34.000000000 +0000
+@@ -337,6 +337,8 @@ static void kmem_cache_node_init(struct
#define STATS_INC_FREEMISS(x) do { } while (0)
#endif
#if DEBUG
/*
-@@ -3346,6 +3348,7 @@ 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);
-@@ -3423,6 +3426,7 @@ __cache_alloc_node(struct kmem_cache *ca
+@@ -3183,6 +3185,7 @@ 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);
- kmemleak_alloc_recursive(ptr, obj_size(cachep), 1, cachep->flags,
-@@ -3609,6 +3613,7 @@ static inline void __cache_free(struct k
+ kmemleak_alloc_recursive(ptr, cachep->object_size, 1, cachep->flags,
+@@ -3371,6 +3374,7 @@ static inline void __cache_free(struct k
check_irq_off();
kmemleak_free_recursive(objp, cachep->flags);
- objp = cache_free_debugcheck(cachep, objp, __builtin_return_address(0));
+ objp = cache_free_debugcheck(cachep, objp, caller);
+ vx_slab_free(cachep);
- kmemcheck_slab_free(cachep, objp, obj_size(cachep));
+ kmemcheck_slab_free(cachep, objp, cachep->object_size);
-diff -NurpP --minimal linux-2.6.37/mm/slab_vs.h linux-2.6.37-vs2.3.0.37-rc3/mm/slab_vs.h
---- linux-2.6.37/mm/slab_vs.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/slab_vs.h 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/mm/slab_vs.h linux-4.4.111-vs2.3.9.5/mm/slab_vs.h
+--- linux-4.4.111/mm/slab_vs.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/mm/slab_vs.h 2018-01-09 16:36:34.000000000 +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 (!vxi)
+ return;
+
-+ atomic_add(cachep->buffer_size, &vxi->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 (!vxi)
+ return;
+
-+ atomic_sub(cachep->buffer_size, &vxi->cacct.slab[what]);
++ atomic_sub(cachep->size, &vxi->cacct.slab[what]);
+}
+
-diff -NurpP --minimal linux-2.6.37/mm/swapfile.c linux-2.6.37-vs2.3.0.37-rc3/mm/swapfile.c
---- linux-2.6.37/mm/swapfile.c 2011-01-05 21:50:40.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/mm/swapfile.c 2010-11-23 02:09:41.000000000 +0100
-@@ -36,6 +36,8 @@
+diff -NurpP --minimal linux-4.4.111/mm/swapfile.c linux-4.4.111-vs2.3.9.5/mm/swapfile.c
+--- linux-4.4.111/mm/swapfile.c 2018-01-11 07:57:53.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/mm/swapfile.c 2018-01-09 16:36:34.000000000 +0000
+@@ -39,6 +39,7 @@
#include <asm/tlbflush.h>
#include <linux/swapops.h>
- #include <linux/page_cgroup.h>
+ #include <linux/swap_cgroup.h>
+#include <linux/vs_base.h>
-+#include <linux/vs_memory.h>
static bool swap_count_continued(struct swap_info_struct *, pgoff_t,
unsigned char);
-@@ -1773,6 +1775,16 @@ static int swap_show(struct seq_file *sw
+@@ -2070,6 +2071,16 @@ 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;
++ struct sysinfo si = { 0 };
+
+ vx_vsi_swapinfo(&si);
+ if (si.totalswap < (1 << 10))
return 0;
}
-@@ -2178,6 +2190,8 @@ void si_swapinfo(struct sysinfo *val)
- val->freeswap = nr_swap_pages + nr_to_be_unused;
+@@ -2609,6 +2620,8 @@ 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-2.6.37/net/core/dev.c linux-2.6.37-vs2.3.0.37-rc3/net/core/dev.c
---- linux-2.6.37/net/core/dev.c 2011-01-05 21:50:41.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/core/dev.c 2010-11-23 02:09:41.000000000 +0100
-@@ -127,6 +127,7 @@
+diff -NurpP --minimal linux-4.4.111/net/bridge/br_multicast.c linux-4.4.111-vs2.3.9.5/net/bridge/br_multicast.c
+--- linux-4.4.111/net/bridge/br_multicast.c 2018-01-11 07:57:54.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/bridge/br_multicast.c 2018-01-09 16:36:34.000000000 +0000
+@@ -462,7 +462,7 @@ 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);
+ br->has_ipv6_addr = 0;
+ return NULL;
+diff -NurpP --minimal linux-4.4.111/net/core/dev.c linux-4.4.111-vs2.3.9.5/net/core/dev.c
+--- linux-4.4.111/net/core/dev.c 2018-01-11 07:57:54.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/core/dev.c 2018-01-09 16:36:34.000000000 +0000
+@@ -124,6 +124,7 @@
#include <linux/in.h>
#include <linux/jhash.h>
#include <linux/random.h>
#include <trace/events/napi.h>
#include <trace/events/net.h>
#include <trace/events/skb.h>
-@@ -608,7 +609,8 @@ struct net_device *__dev_get_by_name(str
+@@ -726,7 +727,8 @@ struct net_device *__dev_get_by_name(str
struct hlist_head *head = dev_name_hash(net, name);
- hlist_for_each_entry(dev, p, head, name_hlist)
+ 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;
return NULL;
-@@ -634,7 +636,8 @@ struct net_device *dev_get_by_name_rcu(s
+@@ -751,7 +753,8 @@ struct net_device *dev_get_by_name_rcu(s
struct hlist_head *head = dev_name_hash(net, name);
- hlist_for_each_entry_rcu(dev, p, head, name_hlist)
+ 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;
return NULL;
-@@ -685,7 +688,8 @@ struct net_device *__dev_get_by_index(st
+@@ -801,7 +804,8 @@ struct net_device *__dev_get_by_index(st
struct hlist_head *head = dev_index_hash(net, ifindex);
- hlist_for_each_entry(dev, p, head, index_hlist)
+ 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;
return NULL;
-@@ -710,7 +714,8 @@ struct net_device *dev_get_by_index_rcu(
- struct hlist_head *head = dev_index_hash(net, ifindex);
+@@ -819,7 +823,7 @@ EXPORT_SYMBOL(__dev_get_by_index);
+ * about locking. The caller must hold RCU lock.
+ */
- hlist_for_each_entry_rcu(dev, p, head, index_hlist)
-- if (dev->ifindex == ifindex)
-+ if ((dev->ifindex == ifindex) &&
-+ nx_dev_visible(current_nx_info(), dev))
- return dev;
+-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);
+@@ -830,6 +834,16 @@ struct net_device *dev_get_by_index_rcu(
return NULL;
-@@ -763,10 +768,12 @@ struct net_device *dev_getbyhwaddr(struc
+ }
++EXPORT_SYMBOL(dev_get_by_index_real_rcu);
++
++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);
- ASSERT_RTNL();
-- for_each_netdev(net, dev)
-+ for_each_netdev(net, dev) {
+@@ -912,7 +926,8 @@ struct net_device *dev_getbyhwaddr_rcu(s
+
+ 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;
-+ }
return NULL;
- }
-@@ -777,9 +784,11 @@ struct net_device *__dev_getfirstbyhwtyp
+@@ -924,9 +939,11 @@ struct net_device *__dev_getfirstbyhwtyp
struct net_device *dev;
ASSERT_RTNL();
return NULL;
}
-@@ -897,6 +906,8 @@ static int __dev_alloc_name(struct net *
+@@ -938,7 +955,8 @@ struct net_device *dev_getfirstbyhwtype(
+
+ 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;
+@@ -968,7 +986,8 @@ struct net_device *__dev_get_by_flags(st
+
+ ret = NULL;
+ for_each_netdev(net, dev) {
+- if (((dev->flags ^ if_flags) & mask) == 0) {
++ if ((((dev->flags ^ if_flags) & mask) == 0) &&
++ nx_dev_visible(current_nx_info(), dev)) {
+ ret = dev;
+ break;
+ }
+@@ -1046,6 +1065,8 @@ static int __dev_alloc_name(struct net *
continue;
if (i < 0 || i >= max_netdevices)
continue;
/* avoid cases where sscanf is not exact inverse of printf */
snprintf(buf, IFNAMSIZ, name, i);
-@@ -3746,6 +3757,8 @@ static int dev_ifconf(struct net *net, c
+diff -NurpP --minimal linux-4.4.111/net/core/net-procfs.c linux-4.4.111-vs2.3.9.5/net/core/net-procfs.c
+--- linux-4.4.111/net/core/net-procfs.c 2015-04-12 22:12:50.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/core/net-procfs.c 2018-01-09 16:36:34.000000000 +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>
- 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;
-@@ -3817,6 +3830,10 @@ static void dev_seq_printf_stats(struct
+ #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 = 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-2.6.37/net/core/rtnetlink.c linux-2.6.37-vs2.3.0.37-rc3/net/core/rtnetlink.c
---- linux-2.6.37/net/core/rtnetlink.c 2011-01-05 21:50:41.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/core/rtnetlink.c 2010-11-23 02:09:41.000000000 +0100
-@@ -891,6 +891,8 @@ static int rtnl_dump_ifinfo(struct sk_bu
- hlist_for_each_entry(dev, node, head, index_hlist) {
+diff -NurpP --minimal linux-4.4.111/net/core/rtnetlink.c linux-4.4.111-vs2.3.9.5/net/core/rtnetlink.c
+--- linux-4.4.111/net/core/rtnetlink.c 2018-01-11 07:57:54.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/core/rtnetlink.c 2018-01-09 16:36:34.000000000 +0000
+@@ -1456,6 +1456,8 @@ static int rtnl_dump_ifinfo(struct sk_bu
+ hlist_for_each_entry(dev, head, index_hlist) {
if (idx < s_idx)
goto cont;
+ if (!nx_dev_visible(skb->sk->sk_nx_info, dev))
+ continue;
- if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, 0,
-@@ -1607,6 +1609,9 @@ void rtmsg_ifinfo(int type, struct net_d
+ err = rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, 0,
+@@ -2559,6 +2561,9 @@ void rtmsg_ifinfo(int type, struct net_d
+ {
struct sk_buff *skb;
- int err = -ENOBUFS;
+ if (!nx_dev_visible(current_nx_info(), dev))
+ return;
+
- skb = nlmsg_new(if_nlmsg_size(dev), GFP_KERNEL);
- if (skb == NULL)
- goto errout;
-diff -NurpP --minimal linux-2.6.37/net/core/sock.c linux-2.6.37-vs2.3.0.37-rc3/net/core/sock.c
---- linux-2.6.37/net/core/sock.c 2011-01-05 21:50:41.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/core/sock.c 2011-01-05 22:30:43.000000000 +0100
-@@ -127,6 +127,10 @@
- #include <net/cls_cgroup.h>
+ if (dev->reg_state != NETREG_REGISTERED)
+ return;
+
+diff -NurpP --minimal linux-4.4.111/net/core/sock.c linux-4.4.111-vs2.3.9.5/net/core/sock.c
+--- linux-4.4.111/net/core/sock.c 2018-01-11 07:57:54.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/core/sock.c 2018-01-09 17:15:58.000000000 +0000
+@@ -134,6 +134,10 @@
+ #include <linux/sock_diag.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>
-@@ -1069,6 +1073,8 @@ static struct sock *sk_prot_alloc(struct
+ #include <trace/events/sock.h>
+
+@@ -1363,6 +1367,8 @@ static struct sock *sk_prot_alloc(struct
goto out_free_sec;
sk_tx_queue_clear(sk);
}
return sk;
-@@ -1168,6 +1174,11 @@ static void __sk_free(struct sock *sk)
- put_cred(sk->sk_peer_cred);
+@@ -1469,6 +1475,11 @@ void sk_destruct(struct sock *sk)
put_pid(sk->sk_peer_pid);
- put_net(sock_net(sk));
+ if (likely(sk->sk_net_refcnt))
+ put_net(sock_net(sk));
+ vx_sock_dec(sk);
+ clr_vx_info(&sk->sk_vx_info);
+ sk->sk_xid = -1;
sk_prot_free(sk->sk_prot_creator, sk);
}
-@@ -1215,6 +1226,8 @@ struct sock *sk_clone(const struct sock
-
+@@ -1521,6 +1532,8 @@ struct sock *sk_clone_lock(const struct
/* SANITY */
- get_net(sock_net(newsk));
+ if (likely(newsk->sk_net_refcnt))
+ get_net(sock_net(newsk));
+ sock_vx_init(newsk);
+ sock_nx_init(newsk);
sk_node_init(&newsk->sk_node);
sock_lock_init(newsk);
bh_lock_sock(newsk);
-@@ -1270,6 +1283,12 @@ struct sock *sk_clone(const struct sock
+@@ -1586,6 +1599,12 @@ struct sock *sk_clone_lock(const struct
smp_wmb();
atomic_set(&newsk->sk_refcnt, 2);
/*
* Increment the counter in the same struct proto as the master
* sock (sk_refcnt_debug_inc uses newsk->sk_prot->socks, that
-@@ -2016,6 +2035,12 @@ void sock_init_data(struct socket *sock,
+@@ -2424,6 +2443,12 @@ void sock_init_data(struct socket *sock,
sk->sk_stamp = ktime_set(-1L, 0);
+ set_nx_info(&sk->sk_nx_info, current_nx_info());
+ sk->sk_nid = nx_current_nid();
+
- /*
- * Before updating sk_refcnt, we must commit prior changes to memory
- * (Documentation/RCU/rculist_nulls.txt for details)
-diff -NurpP --minimal linux-2.6.37/net/ipv4/af_inet.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/af_inet.c
---- linux-2.6.37/net/ipv4/af_inet.c 2011-01-05 21:50:41.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/af_inet.c 2010-11-23 02:09:41.000000000 +0100
-@@ -116,6 +116,7 @@
- #ifdef CONFIG_IP_MROUTE
- #include <linux/mroute.h>
- #endif
-+#include <linux/vs_limit.h>
-
-
- /* The inetsw table contains everything that inet_create needs to
-@@ -325,9 +326,13 @@ lookup_protocol:
+ #ifdef CONFIG_NET_RX_BUSY_POLL
+ sk->sk_napi_id = 0;
+ sk->sk_ll_usec = sysctl_net_busy_read;
+diff -NurpP --minimal linux-4.4.111/net/ipv4/af_inet.c linux-4.4.111-vs2.3.9.5/net/ipv4/af_inet.c
+--- linux-4.4.111/net/ipv4/af_inet.c 2018-01-11 07:57:54.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/af_inet.c 2018-01-09 17:11:11.000000000 +0000
+@@ -308,10 +308,15 @@ lookup_protocol:
}
err = -EPERM;
+ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
+ goto override;
+
- if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
+ 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;
-@@ -451,6 +456,7 @@ int inet_bind(struct socket *sock, struc
- struct sockaddr_in *addr = (struct sockaddr_in *)uaddr;
+ sock->ops = answer->ops;
+ answer_prot = answer->prot;
+ answer_flags = answer->flags;
+@@ -425,6 +430,7 @@ int inet_bind(struct socket *sock, struc
struct sock *sk = sock->sk;
struct inet_sock *inet = inet_sk(sk);
+ struct net *net = sock_net(sk);
+ struct nx_v4_sock_addr nsa;
unsigned short snum;
int chk_addr_ret;
- int err;
-@@ -464,7 +470,11 @@ int inet_bind(struct socket *sock, struc
- if (addr_len < sizeof(struct sockaddr_in))
- goto out;
+ u32 tb_id = RT_TABLE_LOCAL;
+@@ -450,7 +456,11 @@ int inet_bind(struct socket *sock, struc
+ }
-- chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
+ tb_id = l3mdev_fib_table_by_index(net, sk->sk_bound_dev_if) ? : tb_id;
+- chk_addr_ret = inet_addr_type_table(net, addr->sin_addr.s_addr, tb_id);
+ 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_table(net, nsa.saddr, tb_id);
/* Not specified by any standard per-se, however it breaks too
* many applications when removed. It is unfortunate since
-@@ -476,7 +486,7 @@ int inet_bind(struct socket *sock, struc
+@@ -462,7 +472,7 @@ int inet_bind(struct socket *sock, struc
err = -EADDRNOTAVAIL;
- if (!sysctl_ip_nonlocal_bind &&
+ 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)
-@@ -501,7 +511,7 @@ int inet_bind(struct socket *sock, struc
+@@ -488,7 +498,7 @@ int inet_bind(struct socket *sock, struc
if (sk->sk_state != TCP_CLOSE || inet->inet_num)
goto out_release_sock;
if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
inet->inet_saddr = 0; /* Use device */
-@@ -703,11 +713,13 @@ int inet_getname(struct socket *sock, st
+@@ -708,11 +718,13 @@ int inet_getname(struct socket *sock, st
peer == 1))
return -ENOTCONN;
sin->sin_port = inet->inet_dport;
sin->sin_port = inet->inet_sport;
sin->sin_addr.s_addr = addr;
}
-diff -NurpP --minimal linux-2.6.37/net/ipv4/devinet.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/devinet.c
---- linux-2.6.37/net/ipv4/devinet.c 2011-01-05 21:50:41.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/devinet.c 2010-11-23 02:09:41.000000000 +0100
-@@ -420,6 +420,7 @@ struct in_device *inetdev_by_index(struc
+@@ -896,6 +908,7 @@ static int inet_compat_ioctl(struct sock
+ return err;
+ }
+ #endif
++#include <linux/vs_limit.h>
+
+ const struct proto_ops inet_stream_ops = {
+ .family = PF_INET,
+diff -NurpP --minimal linux-4.4.111/net/ipv4/arp.c linux-4.4.111-vs2.3.9.5/net/ipv4/arp.c
+--- linux-4.4.111/net/ipv4/arp.c 2018-01-11 07:57:54.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/arp.c 2018-01-09 16:36:34.000000000 +0000
+@@ -1290,6 +1290,7 @@ 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)
+@@ -1321,6 +1322,7 @@ 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-4.4.111/net/ipv4/devinet.c linux-4.4.111-vs2.3.9.5/net/ipv4/devinet.c
+--- linux-4.4.111/net/ipv4/devinet.c 2018-01-11 07:57:54.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/devinet.c 2018-01-09 16:36:34.000000000 +0000
+@@ -538,6 +538,7 @@ 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,
-@@ -660,6 +661,8 @@ int devinet_ioctl(struct net *net, unsig
+@@ -992,6 +993,8 @@ int devinet_ioctl(struct net *net, unsig
in_dev = __in_dev_get_rtnl(dev);
if (in_dev) {
if (tryaddrmatch) {
/* Matthias Andree */
/* compare label and address (4.4BSD style) */
-@@ -668,6 +671,8 @@ int devinet_ioctl(struct net *net, unsig
+@@ -1000,6 +1003,8 @@ 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) {
-@@ -680,9 +685,12 @@ int devinet_ioctl(struct net *net, unsig
+ ifa->ifa_local) {
+@@ -1012,9 +1017,12 @@ int devinet_ioctl(struct net *net, unsig
comparing just the label */
if (!ifa) {
for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
}
}
-@@ -834,6 +842,8 @@ static int inet_gifconf(struct net_devic
+@@ -1168,6 +1176,8 @@ static int inet_gifconf(struct net_devic
goto out;
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
if (!buf) {
done += sizeof(ifr);
continue;
-@@ -1183,6 +1193,7 @@ static int inet_dump_ifaddr(struct sk_bu
+@@ -1573,6 +1583,7 @@ 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;
struct hlist_head *head;
- struct hlist_node *node;
-@@ -1205,6 +1216,8 @@ static int inet_dump_ifaddr(struct sk_bu
+ s_h = cb->args[0];
+@@ -1596,6 +1607,8 @@ static int inet_dump_ifaddr(struct sk_bu
for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
ifa = ifa->ifa_next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
if (inet_fill_ifaddr(skb, ifa,
-diff -NurpP --minimal linux-2.6.37/net/ipv4/fib_hash.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/fib_hash.c
---- linux-2.6.37/net/ipv4/fib_hash.c 2011-01-05 21:50:41.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/fib_hash.c 2010-11-23 02:09:41.000000000 +0100
-@@ -1080,7 +1080,7 @@ 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-2.6.37/net/ipv4/inet_connection_sock.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/inet_connection_sock.c
---- linux-2.6.37/net/ipv4/inet_connection_sock.c 2010-10-21 13:07:58.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/inet_connection_sock.c 2010-11-23 02:09:41.000000000 +0100
-@@ -52,10 +52,40 @@ void inet_get_local_port_range(int *low,
+diff -NurpP --minimal linux-4.4.111/net/ipv4/fib_trie.c linux-4.4.111-vs2.3.9.5/net/ipv4/fib_trie.c
+--- linux-4.4.111/net/ipv4/fib_trie.c 2018-01-11 07:57:54.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/fib_trie.c 2018-01-09 16:36:34.000000000 +0000
+@@ -2591,6 +2591,7 @@ 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-4.4.111/net/ipv4/inet_connection_sock.c linux-4.4.111-vs2.3.9.5/net/ipv4/inet_connection_sock.c
+--- linux-4.4.111/net/ipv4/inet_connection_sock.c 2018-01-11 07:57:54.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/inet_connection_sock.c 2018-01-09 16:36:34.000000000 +0000
+@@ -43,6 +43,37 @@ 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;
-@@ -75,9 +105,7 @@ 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)
+@@ -70,15 +101,13 @@ 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-2.6.37/net/ipv4/inet_diag.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/inet_diag.c
---- linux-2.6.37/net/ipv4/inet_diag.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/inet_diag.c 2010-11-23 02:09:41.000000000 +0100
-@@ -33,6 +33,8 @@
- #include <linux/stddef.h>
+diff -NurpP --minimal linux-4.4.111/net/ipv4/inet_diag.c linux-4.4.111-vs2.3.9.5/net/ipv4/inet_diag.c
+--- linux-4.4.111/net/ipv4/inet_diag.c 2016-07-05 04:15:14.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/inet_diag.c 2018-01-09 16:36:34.000000000 +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;
-
-@@ -119,8 +121,10 @@ static int inet_csk_diag_fill(struct soc
-
- r->id.idiag_sport = inet->inet_sport;
- r->id.idiag_dport = inet->inet_dport;
-- 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 defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- if (r->idiag_family == AF_INET6) {
-@@ -205,8 +209,8 @@ 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);
-@@ -263,6 +267,7 @@ static int inet_diag_get_exact(struct sk
- err = -EINVAL;
-
- if (req->idiag_family == AF_INET) {
-+ /* TODO: lback */
- sk = inet_lookup(&init_net, hashinfo, req->id.idiag_dst[0],
- req->id.idiag_dport, req->id.idiag_src[0],
- req->id.idiag_sport, req->id.idiag_if);
-@@ -507,6 +512,7 @@ static int inet_csk_diag_dump(struct soc
- } else
- #endif
- {
-+ /* TODO: lback */
- entry.saddr = &inet->inet_rcv_saddr;
- entry.daddr = &inet->inet_daddr;
- }
-@@ -545,6 +551,7 @@ static int inet_twsk_diag_dump(struct in
- } else
- #endif
- {
-+ /* TODO: lback */
- entry.saddr = &tw->tw_rcv_saddr;
- entry.daddr = &tw->tw_daddr;
- }
-@@ -591,8 +598,8 @@ static int inet_diag_fill_req(struct sk_
-
- r->id.idiag_sport = inet->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);
- r->idiag_expires = jiffies_to_msecs(tmo);
- r->idiag_rqueue = 0;
- r->idiag_wqueue = 0;
-@@ -663,6 +670,7 @@ static int inet_diag_dump_reqs(struct sk
- continue;
-
- if (bc) {
-+ /* TODO: lback */
- entry.saddr =
- #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
- (entry.family == AF_INET6) ?
-@@ -733,6 +741,8 @@ static int inet_diag_dump(struct sk_buff
- sk_nulls_for_each(sk, node, &ilb->head) {
- struct inet_sock *inet = inet_sk(sk);
+ #include <linux/inet_diag.h>
+ #include <linux/sock_diag.h>
+@@ -761,6 +763,8 @@ 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;
-@@ -799,6 +809,8 @@ skip_listen_ht:
- sk_nulls_for_each(sk, node, &head->chain) {
- struct inet_sock *inet = inet_sk(sk);
+@@ -822,6 +826,8 @@ 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)))
-@@ -823,6 +835,8 @@ 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-2.6.37/net/ipv4/inet_hashtables.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/inet_hashtables.c
---- linux-2.6.37/net/ipv4/inet_hashtables.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/inet_hashtables.c 2011-01-05 22:30:43.000000000 +0100
-@@ -21,6 +21,7 @@
-
+ state = (sk->sk_state == TCP_TIME_WAIT) ?
+diff -NurpP --minimal linux-4.4.111/net/ipv4/inet_hashtables.c linux-4.4.111-vs2.3.9.5/net/ipv4/inet_hashtables.c
+--- linux-4.4.111/net/ipv4/inet_hashtables.c 2016-07-05 04:15:14.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/inet_hashtables.c 2018-01-09 16:36:34.000000000 +0000
+@@ -23,6 +23,7 @@
#include <net/inet_connection_sock.h>
#include <net/inet_hashtables.h>
+ #include <net/secure_seq.h>
+#include <net/route.h>
#include <net/ip.h>
- /*
-@@ -155,6 +156,11 @@ static inline int compute_score(struct s
+ static u32 inet_ehashfn(const struct net *net, const __be32 laddr,
+@@ -183,6 +184,11 @@ static inline int compute_score(struct s
if (rcv_saddr != daddr)
return -1;
- score += 2;
+ score += 4;
+ } else {
+ /* block non nx_info ips */
+ if (!v4_addr_in_nx_info(sk->sk_nx_info,
}
if (sk->sk_bound_dev_if) {
if (sk->sk_bound_dev_if != dif)
-@@ -172,7 +178,6 @@ static inline int compute_score(struct s
+@@ -202,7 +208,6 @@ static inline int compute_score(struct s
* wildcarded during the search since they can never be otherwise.
*/
-
struct sock *__inet_lookup_listener(struct net *net,
struct inet_hashinfo *hashinfo,
- const __be32 daddr, const unsigned short hnum,
-@@ -195,6 +200,7 @@ begin:
- hiscore = score;
+ const __be32 saddr, __be16 sport,
+@@ -238,6 +243,7 @@ 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-2.6.37/net/ipv4/netfilter/nf_nat_helper.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/netfilter/nf_nat_helper.c
---- linux-2.6.37/net/ipv4/netfilter/nf_nat_helper.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/netfilter/nf_nat_helper.c 2010-11-23 02:09:41.000000000 +0100
-@@ -20,6 +20,7 @@
- #include <net/route.h>
-
- #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-2.6.37/net/ipv4/netfilter.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/netfilter.c
---- linux-2.6.37/net/ipv4/netfilter.c 2010-10-21 13:07:58.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/netfilter.c 2010-11-23 02:09:41.000000000 +0100
-@@ -5,7 +5,7 @@
- #include <linux/ip.h>
+diff -NurpP --minimal linux-4.4.111/net/ipv4/netfilter.c linux-4.4.111-vs2.3.9.5/net/ipv4/netfilter.c
+--- linux-4.4.111/net/ipv4/netfilter.c 2016-07-05 04:15:14.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/netfilter.c 2018-01-09 16:36:34.000000000 +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-2.6.37/net/ipv4/raw.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/raw.c
---- linux-2.6.37/net/ipv4/raw.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/raw.c 2010-11-23 02:09:41.000000000 +0100
-@@ -116,7 +116,7 @@ static struct sock *__raw_v4_lookup(stru
+diff -NurpP --minimal linux-4.4.111/net/ipv4/raw.c linux-4.4.111-vs2.3.9.5/net/ipv4/raw.c
+--- linux-4.4.111/net/ipv4/raw.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/raw.c 2018-01-09 17:06:10.000000000 +0000
+@@ -126,7 +126,7 @@ static struct sock *__raw_v4_lookup(stru
if (net_eq(sock_net(sk), net) && inet->inet_num == num &&
!(inet->inet_daddr && inet->inet_daddr != raddr) &&
!(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
goto found; /* gotcha */
}
-@@ -383,6 +383,12 @@ static int raw_send_hdrinc(struct sock *
- icmp_out_count(net, ((struct icmphdr *)
- skb_transport_header(skb))->type);
+@@ -416,6 +416,12 @@ static int raw_send_hdrinc(struct sock *
+ skb_transport_header(skb))->type);
+ }
+ err = -EPERM;
+ if (!nx_check(0, VS_ADMIN) && !capable(CAP_NET_RAW) &&
+ !v4_addr_in_nx_info(sk->sk_nx_info, iph->saddr, NXA_MASK_BIND))
+ goto error_free;
+
- err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT, skb, NULL,
- rt->dst.dev, dst_output);
- if (err > 0)
-@@ -563,6 +569,13 @@ static int raw_sendmsg(struct kiocb *ioc
- }
+ err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT,
+ net, sk, skb, NULL, rt->dst.dev,
+ dst_output);
+@@ -626,6 +632,16 @@ static int raw_sendmsg(struct sock *sk,
+ 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)
-@@ -635,17 +648,19 @@ 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(net, &fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -704,17 +720,19 @@ static int raw_bind(struct sock *sk, str
{
struct inet_sock *inet = inet_sk(sk);
struct sockaddr_in *addr = (struct sockaddr_in *) uaddr;
if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
inet->inet_saddr = 0; /* Use device */
sk_dst_reset(sk);
-@@ -697,7 +712,8 @@ static int raw_recvmsg(struct kiocb *ioc
+@@ -763,7 +781,8 @@ static int raw_recvmsg(struct sock *sk,
/* 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));
- }
-@@ -875,7 +891,8 @@ 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);
+@@ -959,7 +978,8 @@ 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;
-@@ -891,7 +908,8 @@ static struct sock *raw_get_next(struct
+@@ -975,7 +995,8 @@ 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]);
-@@ -950,7 +968,10 @@ 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,
- sk_wmem_alloc_get(sp),
- sk_rmem_alloc_get(sp),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
-diff -NurpP --minimal linux-2.6.37/net/ipv4/tcp.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/tcp.c
---- linux-2.6.37/net/ipv4/tcp.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/tcp.c 2011-01-05 22:30:43.000000000 +0100
-@@ -266,6 +266,7 @@
+diff -NurpP --minimal linux-4.4.111/net/ipv4/route.c linux-4.4.111-vs2.3.9.5/net/ipv4/route.c
+--- linux-4.4.111/net/ipv4/route.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/route.c 2018-01-09 16:36:34.000000000 +0000
+@@ -2226,7 +2226,7 @@ struct rtable *__ip_route_output_key_has
+
+
+ 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)
+ goto out;
+diff -NurpP --minimal linux-4.4.111/net/ipv4/tcp.c linux-4.4.111-vs2.3.9.5/net/ipv4/tcp.c
+--- linux-4.4.111/net/ipv4/tcp.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/tcp.c 2018-01-09 16:36:34.000000000 +0000
+@@ -269,6 +269,7 @@
#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-2.6.37/net/ipv4/tcp_ipv4.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/tcp_ipv4.c
---- linux-2.6.37/net/ipv4/tcp_ipv4.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/tcp_ipv4.c 2011-01-05 22:33:32.000000000 +0100
-@@ -2018,6 +2018,12 @@ static void *listening_get_next(struct s
- req = req->dl_next;
- while (1) {
- while (req) {
-+ vxdprintk(VXD_CBIT(net, 6),
-+ "sk,req: %p [#%d] (from %d)", req->sk,
-+ (req->sk)?req->sk->sk_nid:0, nx_current_nid());
-+ if (req->sk &&
-+ !nx_check(req->sk->sk_nid, VS_WATCH_P | VS_IDENT))
-+ continue;
- if (req->rsk_ops->family == st->family) {
- cur = req;
- goto out;
-@@ -2043,6 +2049,10 @@ get_req:
- }
+ #include <net/inet_common.h>
+diff -NurpP --minimal linux-4.4.111/net/ipv4/tcp_ipv4.c linux-4.4.111-vs2.3.9.5/net/ipv4/tcp_ipv4.c
+--- linux-4.4.111/net/ipv4/tcp_ipv4.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/tcp_ipv4.c 2018-01-09 17:13:45.000000000 +0000
+@@ -1885,6 +1885,10 @@ static void *listening_get_next(struct s
+ sk = sk_nulls_next(sk);
get_sk:
sk_nulls_for_each_from(sk, node) {
+ vxdprintk(VXD_CBIT(net, 6), "sk: %p [#%d] (from %d)",
if (!net_eq(sock_net(sk), net))
continue;
if (sk->sk_family == st->family) {
-@@ -2119,6 +2129,11 @@ static void *established_get_first(struc
+@@ -1949,6 +1953,11 @@ static void *established_get_first(struc
spin_lock_bh(lock);
sk_nulls_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) {
if (sk->sk_family != st->family ||
!net_eq(sock_net(sk), net)) {
continue;
-@@ -2129,6 +2144,11 @@ 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;
-@@ -2158,7 +2178,9 @@ 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) {
-@@ -2182,6 +2204,11 @@ get_tw:
- sk = sk_nulls_next(sk);
+@@ -1975,6 +1984,11 @@ static void *established_get_next(struct
+ sk = sk_nulls_next(sk);
sk_nulls_for_each_from(sk, node) {
+ vxdprintk(VXD_CBIT(net, 6),
+ 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;
}
-@@ -2391,9 +2418,9 @@ static void get_openreq4(struct sock *sk
+@@ -2166,9 +2180,9 @@ static void get_openreq4(const struct re
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)->inet_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),
+ ireq->ir_num,
+- 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. */
-@@ -2445,7 +2472,10 @@ 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,
- rx_queue,
- timer_active,
-@@ -2480,7 +2510,10 @@ 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-2.6.37/net/ipv4/tcp_minisocks.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/tcp_minisocks.c
---- linux-2.6.37/net/ipv4/tcp_minisocks.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/tcp_minisocks.c 2011-01-05 22:30:43.000000000 +0100
+@@ -2191,8 +2205,8 @@ 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);
+ const 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;
+@@ -2251,8 +2265,8 @@ static void get_timewait4_sock(const str
+ __be32 dest, src;
+ __u16 destp, srcp;
+
+- 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-4.4.111/net/ipv4/tcp_minisocks.c linux-4.4.111-vs2.3.9.5/net/ipv4/tcp_minisocks.c
+--- linux-4.4.111/net/ipv4/tcp_minisocks.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/tcp_minisocks.c 2018-01-09 16:36:34.000000000 +0000
@@ -23,6 +23,9 @@
#include <linux/slab.h>
#include <linux/sysctl.h>
#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 = tp->rx_opt.ts_recent;
- tcptw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp;
+@@ -291,6 +294,11 @@ void tcp_time_wait(struct sock *sk, int
+ tcptw->tw_ts_offset = tp->tsoffset;
+ tcptw->tw_last_oow_ack_time = 0;
+ 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-2.6.37/net/ipv4/udp.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/udp.c
---- linux-2.6.37/net/ipv4/udp.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv4/udp.c 2011-01-05 22:30:43.000000000 +0100
-@@ -296,14 +296,7 @@ fail:
+diff -NurpP --minimal linux-4.4.111/net/ipv4/udp.c linux-4.4.111-vs2.3.9.5/net/ipv4/udp.c
+--- linux-4.4.111/net/ipv4/udp.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv4/udp.c 2018-01-09 16:36:34.000000000 +0000
+@@ -309,14 +309,7 @@ fail:
}
EXPORT_SYMBOL(udp_lib_get_port);
-}
+extern int ipv4_rcv_saddr_equal(const struct sock *, const struct sock *);
- static unsigned int udp4_portaddr_hash(struct net *net, __be32 saddr,
- unsigned int port)
-@@ -338,6 +331,11 @@ static inline int compute_score(struct s
- if (inet->inet_rcv_saddr != daddr)
- return -1;
- score += 2;
+ static u32 udp4_portaddr_hash(const struct net *net, __be32 saddr,
+ unsigned int port)
+@@ -355,6 +348,11 @@ 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)
-@@ -441,6 +439,7 @@ exact_match:
+ }
+
+ if (inet->inet_daddr) {
+@@ -489,6 +487,7 @@ begin:
return result;
}
/* UDP is nearly always wildcards out the wazoo, it makes no sense to try
* harder than this. -DaveM
*/
-@@ -486,6 +485,11 @@ begin:
+@@ -535,6 +534,11 @@ begin:
sk_nulls_for_each_rcu(sk, node, &hslot->head) {
score = compute_score(sk, net, saddr, hnum, sport,
daddr, dport, dif);
if (score > badness) {
result = sk;
badness = score;
-@@ -499,6 +503,7 @@ begin:
+@@ -559,6 +563,7 @@ begin:
if (get_nulls_value(node) != slot)
goto begin;
+
if (result) {
- if (unlikely(!atomic_inc_not_zero(&result->sk_refcnt)))
+ if (unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
result = NULL;
-@@ -508,6 +513,7 @@ begin:
+@@ -568,6 +573,7 @@ begin:
goto begin;
}
}
rcu_read_unlock();
return result;
}
-@@ -550,8 +556,7 @@ static inline struct sock *udp_v4_mcast_
- udp_sk(s)->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(s) ||
- (s->sk_bound_dev_if && s->sk_bound_dev_if != dif))
- continue;
-@@ -900,8 +905,13 @@ int udp_sendmsg(struct kiocb *iocb, stru
- { .sport = inet->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;
+@@ -602,7 +608,7 @@ 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;
+@@ -1033,6 +1039,16 @@ int udp_sendmsg(struct sock *sk, struct
+ goto out;
+ }
+
++ 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)
-@@ -1183,7 +1193,8 @@ try_again:
+ security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
+ rt = ip_route_output_flow(net, fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -1337,7 +1353,8 @@ try_again:
if (sin) {
sin->sin_family = AF_INET;
sin->sin_port = udp_hdr(skb)->source;
+ 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)
-@@ -1924,6 +1935,8 @@ static struct sock *udp_get_first(struct
+@@ -2319,6 +2336,8 @@ static struct sock *udp_get_first(struct
sk_nulls_for_each(sk, node, &hslot->head) {
if (!net_eq(sock_net(sk), net))
continue;
if (sk->sk_family == state->family)
goto found;
}
-@@ -1941,7 +1954,9 @@ static struct sock *udp_get_next(struct
+@@ -2336,7 +2355,9 @@ static struct sock *udp_get_next(struct
do {
sk = sk_nulls_next(sk);
if (!sk) {
if (state->bucket <= state->udp_table->mask)
-@@ -2048,7 +2063,10 @@ static void udp4_format_sock(struct sock
-
- seq_printf(f, "%5d: %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,
- sk_wmem_alloc_get(sp),
- sk_rmem_alloc_get(sp),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
-diff -NurpP --minimal linux-2.6.37/net/ipv6/addrconf.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/addrconf.c
---- linux-2.6.37/net/ipv6/addrconf.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/addrconf.c 2011-01-05 22:30:43.000000000 +0100
-@@ -87,6 +87,8 @@
-
+@@ -2432,8 +2453,8 @@ 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-4.4.111/net/ipv6/addrconf.c linux-4.4.111-vs2.3.9.5/net/ipv6/addrconf.c
+--- linux-4.4.111/net/ipv6/addrconf.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/addrconf.c 2018-01-09 23:41:55.000000000 +0000
+@@ -92,6 +92,8 @@
#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
-@@ -1124,7 +1126,7 @@ out:
+@@ -1442,7 +1444,8 @@ static int __ipv6_dev_get_saddr(struct n
+ struct ipv6_saddr_dst *dst,
+ struct inet6_dev *idev,
+ struct ipv6_saddr_score *scores,
+- int hiscore_idx)
++ int hiscore_idx,
++ struct nx_info *nxi)
+ {
+ struct ipv6_saddr_score *score = &scores[1 - hiscore_idx], *hiscore = &scores[hiscore_idx];
- int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev,
+@@ -1472,6 +1475,8 @@ static int __ipv6_dev_get_saddr(struct n
+ idev->dev->name);
+ continue;
+ }
++ if (!v6_addr_in_nx_info(nxi, &score->ifa->addr, -1))
++ continue;
+
+ score->rule = -1;
+ bitmap_zero(score->scorebits, IPV6_SADDR_RULE_MAX);
+@@ -1519,7 +1524,7 @@ out:
+
+ 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];
-@@ -1196,6 +1198,8 @@ int ipv6_dev_get_saddr(struct net *net,
- dev->name);
+ struct ipv6_saddr_score scores[2], *hiscore;
+ struct ipv6_saddr_dst dst;
+@@ -1568,13 +1573,15 @@ int ipv6_dev_get_saddr(struct net *net,
+
+ if (use_oif_addr) {
+ if (idev)
+- hiscore_idx = __ipv6_dev_get_saddr(net, &dst, idev, scores, hiscore_idx);
++ hiscore_idx = __ipv6_dev_get_saddr(net, &dst,
++ idev, scores, hiscore_idx, nxi);
+ } else {
+ for_each_netdev_rcu(net, dev) {
+ idev = __in6_dev_get(dev);
+ if (!idev)
continue;
- }
-+ if (!v6_addr_in_nx_info(nxi, &score->ifa->addr, -1))
-+ continue;
-
- score->rule = -1;
- bitmap_zero(score->scorebits, IPV6_SADDR_RULE_MAX);
-@@ -3079,7 +3083,10 @@ static void if6_seq_stop(struct seq_file
+- hiscore_idx = __ipv6_dev_get_saddr(net, &dst, idev, scores, hiscore_idx);
++ hiscore_idx = __ipv6_dev_get_saddr(net, &dst,
++ idev, scores, hiscore_idx, nxi);
+ }
+ }
+ rcu_read_unlock();
+@@ -3846,7 +3853,10 @@ 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;
&ifp->addr,
ifp->idev->dev->ifindex,
ifp->prefix_len,
-@@ -3585,6 +3592,11 @@ static int in6_dump_addrs(struct inet6_d
+@@ -4430,6 +4440,11 @@ static int in6_dump_addrs(struct inet6_d
struct ifacaddr6 *ifaca;
int err = 1;
int ip_idx = *p_ip_idx;
read_lock_bh(&idev->lock);
switch (type) {
-@@ -3595,6 +3607,8 @@ static int in6_dump_addrs(struct inet6_d
+@@ -4440,6 +4455,8 @@ 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;
++ if (!v6_addr_in_nx_info(nxi, &ifa->addr, -1))
++ continue;
err = inet6_fill_ifaddr(skb, ifa,
- NETLINK_CB(cb->skb).pid,
+ NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
-@@ -3611,6 +3625,8 @@ static int in6_dump_addrs(struct inet6_d
+@@ -4457,6 +4474,8 @@ 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;
++ if (!v6_addr_in_nx_info(nxi, &ifmca->mca_addr, -1))
++ continue;
err = inet6_fill_ifmcaddr(skb, ifmca,
- NETLINK_CB(cb->skb).pid,
+ NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
-@@ -3626,6 +3642,8 @@ static int in6_dump_addrs(struct inet6_d
+@@ -4472,6 +4491,8 @@ 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;
++ if (!v6_addr_in_nx_info(nxi, &ifaca->aca_addr, -1))
++ continue;
err = inet6_fill_ifacaddr(skb, ifaca,
- NETLINK_CB(cb->skb).pid,
+ NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
-@@ -3975,6 +3993,11 @@ static int inet6_dump_ifinfo(struct sk_b
+@@ -4500,6 +4521,10 @@ static int inet6_dump_addr(struct sk_buf
struct inet6_dev *idev;
struct hlist_head *head;
- struct hlist_node *node;
-+ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
-+
+
+ /* 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];
+@@ -5008,6 +5033,7 @@ 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;
s_h = cb->args[0];
s_idx = cb->args[1];
-@@ -3986,6 +4009,8 @@ static int inet6_dump_ifinfo(struct sk_b
- hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+@@ -5019,6 +5045,8 @@ 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))
idev = __in6_dev_get(dev);
if (!idev)
goto cont;
-diff -NurpP --minimal linux-2.6.37/net/ipv6/af_inet6.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/af_inet6.c
---- linux-2.6.37/net/ipv6/af_inet6.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/af_inet6.c 2010-11-23 02:09:41.000000000 +0100
-@@ -42,6 +42,8 @@
+diff -NurpP --minimal linux-4.4.111/net/ipv6/af_inet6.c linux-4.4.111-vs2.3.9.5/net/ipv6/af_inet6.c
+--- linux-4.4.111/net/ipv6/af_inet6.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/af_inet6.c 2018-01-09 16:36:34.000000000 +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>
-@@ -160,9 +162,12 @@ lookup_protocol:
+@@ -158,10 +160,13 @@ lookup_protocol:
}
err = -EPERM;
+ if ((protocol == IPPROTO_ICMPV6) &&
+ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
+ goto override;
- if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
+ 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;
-@@ -261,6 +266,7 @@ int inet6_bind(struct socket *sock, stru
+ answer_flags = answer->flags;
+@@ -259,6 +264,7 @@ 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;
-@@ -272,6 +278,11 @@ int inet6_bind(struct socket *sock, stru
+@@ -274,6 +280,10 @@ 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;
-@@ -303,6 +314,7 @@ int inet6_bind(struct socket *sock, stru
- /* Reproduce AF_INET checks to make the bindings consitant */
- v4addr = addr->sin6_addr.s6_addr32[3];
- chk_addr_ret = inet_addr_type(net, v4addr);
-+
- if (!sysctl_ip_nonlocal_bind &&
- !(inet->freebind || inet->transparent) &&
- v4addr != htonl(INADDR_ANY) &&
-@@ -312,6 +324,10 @@ int inet6_bind(struct socket *sock, stru
+@@ -314,6 +324,10 @@ int inet6_bind(struct socket *sock, stru
err = -EADDRNOTAVAIL;
goto out;
}
} else {
if (addr_type != IPV6_ADDR_ANY) {
struct net_device *dev = NULL;
-@@ -338,6 +354,11 @@ int inet6_bind(struct socket *sock, stru
+@@ -340,6 +354,11 @@ 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.
*/
-@@ -354,6 +375,9 @@ int inet6_bind(struct socket *sock, stru
+@@ -357,6 +376,9 @@ int inet6_bind(struct socket *sock, stru
}
}
inet->inet_rcv_saddr = v4addr;
inet->inet_saddr = v4addr;
-@@ -455,9 +479,11 @@ int inet6_getname(struct socket *sock, s
+@@ -461,9 +483,11 @@ int inet6_getname(struct socket *sock, s
return -ENOTCONN;
sin->sin6_port = inet->inet_dport;
- ipv6_addr_copy(&sin->sin6_addr, &np->daddr);
+ 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-2.6.37/net/ipv6/fib6_rules.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/fib6_rules.c
---- linux-2.6.37/net/ipv6/fib6_rules.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/fib6_rules.c 2010-11-23 02:09:41.000000000 +0100
-@@ -88,7 +88,7 @@ static int fib6_rule_action(struct fib_r
+diff -NurpP --minimal linux-4.4.111/net/ipv6/datagram.c linux-4.4.111-vs2.3.9.5/net/ipv6/datagram.c
+--- linux-4.4.111/net/ipv6/datagram.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/datagram.c 2018-01-09 16:36:34.000000000 +0000
+@@ -733,7 +733,7 @@ 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-4.4.111/net/ipv6/fib6_rules.c linux-4.4.111-vs2.3.9.5/net/ipv6/fib6_rules.c
+--- linux-4.4.111/net/ipv6/fib6_rules.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/fib6_rules.c 2018-01-09 16:36:34.000000000 +0000
+@@ -97,7 +97,7 @@ static int fib6_rule_action(struct fib_r
ip6_dst_idev(&rt->dst)->dev,
- &flp->fl6_dst,
+ &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-2.6.37/net/ipv6/inet6_hashtables.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/inet6_hashtables.c
---- linux-2.6.37/net/ipv6/inet6_hashtables.c 2010-02-25 11:52:10.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/inet6_hashtables.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/net/ipv6/inet6_hashtables.c linux-4.4.111-vs2.3.9.5/net/ipv6/inet6_hashtables.c
+--- linux-4.4.111/net/ipv6/inet6_hashtables.c 2016-07-05 04:15:14.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/inet6_hashtables.c 2018-01-09 16:36:34.000000000 +0000
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <net/inet_connection_sock.h>
#include <net/inet_hashtables.h>
-@@ -82,7 +83,6 @@ struct sock *__inet6_lookup_established(
+@@ -66,7 +67,6 @@ 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) {
-@@ -94,7 +94,7 @@ begin:
- sock_put(sk);
- goto begin;
- }
-- goto out;
-+ goto out;
- }
- }
- if (get_nulls_value(node) != slot)
-@@ -140,6 +140,9 @@ static int inline compute_score(struct s
- if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
+@@ -108,6 +108,9 @@ static inline int compute_score(struct s
+ if (!ipv6_addr_equal(&sk->sk_v6_rcv_saddr, daddr))
return -1;
score++;
+ } else {
}
if (sk->sk_bound_dev_if) {
if (sk->sk_bound_dev_if != dif)
-diff -NurpP --minimal linux-2.6.37/net/ipv6/ip6_output.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/ip6_output.c
---- linux-2.6.37/net/ipv6/ip6_output.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/ip6_output.c 2011-01-05 22:30:43.000000000 +0100
-@@ -930,7 +930,7 @@ 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);
+diff -NurpP --minimal linux-4.4.111/net/ipv6/ip6_fib.c linux-4.4.111-vs2.3.9.5/net/ipv6/ip6_fib.c
+--- linux-4.4.111/net/ipv6/ip6_fib.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/ip6_fib.c 2018-01-09 16:36:34.000000000 +0000
+@@ -1968,6 +1968,7 @@ 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-4.4.111/net/ipv6/ip6_output.c linux-4.4.111-vs2.3.9.5/net/ipv6/ip6_output.c
+--- linux-4.4.111/net/ipv6/ip6_output.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/ip6_output.c 2018-01-09 16:36:34.000000000 +0000
+@@ -941,7 +941,8 @@ static int ip6_dst_lookup_tail(struct ne
+ rt = (*dst)->error ? NULL : (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-2.6.37/net/ipv6/Kconfig linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/Kconfig
---- linux-2.6.37/net/ipv6/Kconfig 2010-08-02 16:52:59.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/Kconfig 2010-11-23 02:09:41.000000000 +0100
-@@ -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-2.6.37/net/ipv6/ndisc.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/ndisc.c
---- linux-2.6.37/net/ipv6/ndisc.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/ndisc.c 2010-11-23 02:09:41.000000000 +0100
-@@ -595,7 +595,7 @@ static void ndisc_send_na(struct net_dev
+
+diff -NurpP --minimal linux-4.4.111/net/ipv6/ndisc.c linux-4.4.111-vs2.3.9.5/net/ipv6/ndisc.c
+--- linux-4.4.111/net/ipv6/ndisc.c 2016-07-05 04:15:14.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/ndisc.c 2018-01-09 16:36:34.000000000 +0000
+@@ -501,7 +501,7 @@ 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-2.6.37/net/ipv6/raw.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/raw.c
---- linux-2.6.37/net/ipv6/raw.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/raw.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c linux-4.4.111-vs2.3.9.5/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c
+--- linux-4.4.111/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c 2016-07-05 04:15:14.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c 2018-01-09 17:04:44.000000000 +0000
+@@ -35,7 +35,7 @@ nf_nat_masquerade_ipv6(struct sk_buff *s
+ ctinfo == IP_CT_RELATED_REPLY));
+
+ if (ipv6_dev_get_saddr(nf_ct_net(ct), 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-4.4.111/net/ipv6/raw.c linux-4.4.111-vs2.3.9.5/net/ipv6/raw.c
+--- linux-4.4.111/net/ipv6/raw.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/raw.c 2018-01-09 16:36:34.000000000 +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 <asm/uaccess.h>
- #include <asm/ioctls.h>
-@@ -283,6 +284,13 @@ static int rawv6_bind(struct sock *sk, s
+ #include <linux/compat.h>
+ #include <linux/uaccess.h>
+@@ -291,6 +292,13 @@ static int rawv6_bind(struct sock *sk, s
goto out_unlock;
}
/* ipv4 addr of the socket is invalid. Only the
* unspecified and mapped address have a v4 equivalent.
*/
-diff -NurpP --minimal linux-2.6.37/net/ipv6/route.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/route.c
---- linux-2.6.37/net/ipv6/route.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/route.c 2011-01-05 22:30:43.000000000 +0100
-@@ -2290,7 +2290,8 @@ static int rt6_fill_node(struct net *net
- struct inet6_dev *idev = ip6_dst_idev(&rt->dst);
+diff -NurpP --minimal linux-4.4.111/net/ipv6/route.c linux-4.4.111-vs2.3.9.5/net/ipv6/route.c
+--- linux-4.4.111/net/ipv6/route.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/route.c 2018-01-09 17:03:24.000000000 +0000
+@@ -62,6 +62,7 @@
+ #include <net/lwtunnel.h>
+ #include <net/ip_tunnels.h>
+ #include <net/l3mdev.h>
++#include <linux/vs_inet6.h>
+
+ #include <asm/uaccess.h>
+
+@@ -2545,16 +2546,18 @@ 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 =
+ rt ? ip6_dst_idev((struct dst_entry *)rt) : NULL;
+ int err = 0;
+- if (rt && rt->rt6i_prefsrc.plen)
++ if (rt && 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;
+ }
+
+@@ -3168,7 +3171,8 @@ 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_in6_addr(skb, RTA_PREFSRC, &saddr_buf))
+ goto nla_put_failure;
}
-
-diff -NurpP --minimal linux-2.6.37/net/ipv6/tcp_ipv6.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/tcp_ipv6.c
---- linux-2.6.37/net/ipv6/tcp_ipv6.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/tcp_ipv6.c 2010-11-23 02:09:41.000000000 +0100
+diff -NurpP --minimal linux-4.4.111/net/ipv6/tcp_ipv6.c linux-4.4.111-vs2.3.9.5/net/ipv6/tcp_ipv6.c
+--- linux-4.4.111/net/ipv6/tcp_ipv6.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/tcp_ipv6.c 2018-01-09 16:36:34.000000000 +0000
@@ -69,6 +69,7 @@
#include <linux/crypto.h>
#include <linux/scatterlist.h>
+#include <linux/vs_inet6.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,
-@@ -160,8 +161,15 @@ static int tcp_v6_connect(struct sock *s
- * connect() to INADDR_ANY means loopback (BSD'ism).
+ static void tcp_v6_send_reset(const struct sock *sk, struct sk_buff *skb);
+ static void tcp_v6_reqsk_send_ack(const struct sock *sk, struct sk_buff *skb,
+@@ -150,11 +151,18 @@ static int tcp_v6_connect(struct sock *s
*/
-- if(ipv6_addr_any(&usin->sin6_addr))
-- usin->sin6_addr.s6_addr[15] = 0x1;
-+ if(ipv6_addr_any(&usin->sin6_addr)) {
+ if (ipv6_addr_any(&usin->sin6_addr)) {
+- if (ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr))
+- ipv6_addr_set_v4mapped(htonl(INADDR_LOOPBACK),
+- &usin->sin6_addr);
+- else
+- usin->sin6_addr = in6addr_loopback;
+ struct nx_info *nxi = sk->sk_nx_info;
+
+ if (nxi && nx_info_has_v6(nxi))
+ /* FIXME: remap lback? */
+ usin->sin6_addr = nxi->v6.ip;
-+ else
-+ usin->sin6_addr.s6_addr[15] = 0x1;
-+ }
++ else {
++ if (ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr))
++ ipv6_addr_set_v4mapped(htonl(INADDR_LOOPBACK),
++ &usin->sin6_addr);
++ else
++ usin->sin6_addr = in6addr_loopback;
++ }
+ }
addr_type = ipv6_addr_type(&usin->sin6_addr);
-
-diff -NurpP --minimal linux-2.6.37/net/ipv6/udp.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/udp.c
---- linux-2.6.37/net/ipv6/udp.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/udp.c 2011-01-05 22:30:43.000000000 +0100
-@@ -48,13 +48,14 @@
+diff -NurpP --minimal linux-4.4.111/net/ipv6/udp.c linux-4.4.111-vs2.3.9.5/net/ipv6/udp.c
+--- linux-4.4.111/net/ipv6/udp.c 2018-01-11 07:57:55.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/udp.c 2018-01-09 16:36:34.000000000 +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"
+@@ -76,32 +77,60 @@ static u32 udp6_ehashfn(const struct net
+ udp_ipv6_hash_secret + net_hash_mix(net));
+ }
- int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
+-int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
++int ipv6_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
{
- const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
++ const struct in6_addr *sk1_rcv_saddr6 = inet6_rcv_saddr(sk1);
const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
-- __be32 sk1_rcv_saddr = inet_sk(sk)->inet_rcv_saddr;
-+ __be32 sk_rcv_saddr = inet_sk(sk)->inet_rcv_saddr;
- __be32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
- int sk_ipv6only = ipv6_only_sock(sk);
++ __be32 sk1_rcv_saddr = sk1->sk_rcv_saddr;
++ __be32 sk2_rcv_saddr = sk2->sk_rcv_saddr;
int sk2_ipv6only = inet_v6_ipv6only(sk2);
-@@ -62,24 +63,49 @@ int ipv6_rcv_saddr_equal(const struct so
+- int addr_type = ipv6_addr_type(&sk->sk_v6_rcv_saddr);
++ int addr_type1 = ipv6_addr_type(sk1_rcv_saddr6);
int addr_type2 = sk2_rcv_saddr6 ? ipv6_addr_type(sk2_rcv_saddr6) : IPV6_ADDR_MAPPED;
/* if both are mapped, treat as IPv4 */
- if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED)
- return (!sk2_ipv6only &&
-- (!sk1_rcv_saddr || !sk2_rcv_saddr ||
-- sk1_rcv_saddr == sk2_rcv_saddr));
-+ if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED) {
+- (!sk->sk_rcv_saddr || !sk2->sk_rcv_saddr ||
+- sk->sk_rcv_saddr == sk2->sk_rcv_saddr));
++ if (addr_type1 == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED) {
+ if (!sk2_ipv6only &&
-+ (!sk_rcv_saddr || !sk2_rcv_saddr ||
-+ sk_rcv_saddr == sk2_rcv_saddr))
++ (!sk1->sk_rcv_saddr || !sk2->sk_rcv_saddr ||
++ sk1->sk_rcv_saddr == sk2->sk_rcv_saddr))
+ goto vs_v4;
+ else
+ return 0;
+ }
if (addr_type2 == IPV6_ADDR_ANY &&
- !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
+- !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
- return 1;
++ !(sk2_ipv6only && addr_type1 == IPV6_ADDR_MAPPED))
+ goto vs;
- if (addr_type == IPV6_ADDR_ANY &&
- !(sk_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
+- if (addr_type == IPV6_ADDR_ANY &&
+- !(ipv6_only_sock(sk) && addr_type2 == IPV6_ADDR_MAPPED))
- return 1;
++ if (addr_type1 == IPV6_ADDR_ANY &&
++ !(ipv6_only_sock(sk1) && addr_type2 == IPV6_ADDR_MAPPED))
+ goto vs;
if (sk2_rcv_saddr6 &&
- ipv6_addr_equal(sk_rcv_saddr6, sk2_rcv_saddr6))
+- ipv6_addr_equal(&sk->sk_v6_rcv_saddr, sk2_rcv_saddr6))
- return 1;
++ ipv6_addr_equal(&sk1->sk_v6_rcv_saddr, sk2_rcv_saddr6))
+ goto vs;
return 0;
+
+vs_v4:
-+ if (!sk_rcv_saddr && !sk2_rcv_saddr)
-+ return nx_v4_addr_conflict(sk->sk_nx_info, sk2->sk_nx_info);
++ if (!sk1_rcv_saddr && !sk2_rcv_saddr)
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
+ if (!sk2_rcv_saddr)
-+ return v4_addr_in_nx_info(sk->sk_nx_info, sk2_rcv_saddr, -1);
-+ if (!sk_rcv_saddr)
-+ return v4_addr_in_nx_info(sk2->sk_nx_info, sk_rcv_saddr, -1);
++ return v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, -1);
++ if (!sk1_rcv_saddr)
++ return v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, -1);
+ return 1;
+vs:
-+ if (addr_type2 == IPV6_ADDR_ANY && addr_type == IPV6_ADDR_ANY)
-+ return nx_v6_addr_conflict(sk->sk_nx_info, sk2->sk_nx_info);
++ if (addr_type2 == IPV6_ADDR_ANY && addr_type1 == IPV6_ADDR_ANY)
++ return nx_v6_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
+ else if (addr_type2 == IPV6_ADDR_ANY)
-+ return v6_addr_in_nx_info(sk2->sk_nx_info, sk_rcv_saddr6, -1);
-+ else if (addr_type == IPV6_ADDR_ANY) {
++ return v6_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr6, -1);
++ else if (addr_type1 == IPV6_ADDR_ANY) {
+ if (addr_type2 == IPV6_ADDR_MAPPED)
-+ return nx_v4_addr_conflict(sk->sk_nx_info, sk2->sk_nx_info);
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
+ else
-+ return v6_addr_in_nx_info(sk->sk_nx_info, sk2_rcv_saddr6, -1);
++ return v6_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr6, -1);
+ }
+ return 1;
}
- static unsigned int udp6_portaddr_hash(struct net *net,
-@@ -143,6 +169,10 @@ static inline int compute_score(struct s
- if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
- return -1;
- score++;
+ static u32 udp6_portaddr_hash(const struct net *net,
+@@ -162,6 +191,10 @@ 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(&np->daddr)) {
- if (!ipv6_addr_equal(&np->daddr, saddr))
-diff -NurpP --minimal linux-2.6.37/net/ipv6/xfrm6_policy.c linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/xfrm6_policy.c
---- linux-2.6.37/net/ipv6/xfrm6_policy.c 2011-01-05 21:50:42.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/ipv6/xfrm6_policy.c 2010-11-23 02:09:41.000000000 +0100
-@@ -62,7 +62,7 @@ static int xfrm6_get_saddr(struct net *n
+ }
+
+ if (!ipv6_addr_any(&sk->sk_v6_rcv_saddr)) {
+diff -NurpP --minimal linux-4.4.111/net/ipv6/xfrm6_policy.c linux-4.4.111-vs2.3.9.5/net/ipv6/xfrm6_policy.c
+--- linux-4.4.111/net/ipv6/xfrm6_policy.c 2016-07-05 04:15:14.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/ipv6/xfrm6_policy.c 2018-01-09 16:36:34.000000000 +0000
+@@ -64,7 +64,8 @@ static int xfrm6_get_saddr(struct net *n
+ return -EHOSTUNREACH;
+
dev = ip6_dst_idev(dst)->dev;
- ipv6_dev_get_saddr(dev_net(dev), dev,
- (struct in6_addr *)&daddr->a6, 0,
-- (struct in6_addr *)&saddr->a6);
-+ (struct in6_addr *)&saddr->a6, NULL);
+- ipv6_dev_get_saddr(dev_net(dev), dev, &daddr->in6, 0, &saddr->in6);
++ ipv6_dev_get_saddr(dev_net(dev), dev, &daddr->in6,
++ 0, &saddr->in6, NULL);
dst_release(dst);
return 0;
}
-diff -NurpP --minimal linux-2.6.37/net/netfilter/ipvs/ip_vs_xmit.c linux-2.6.37-vs2.3.0.37-rc3/net/netfilter/ipvs/ip_vs_xmit.c
---- linux-2.6.37/net/netfilter/ipvs/ip_vs_xmit.c 2011-01-05 21:50:43.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/netfilter/ipvs/ip_vs_xmit.c 2011-01-06 00:35:16.000000000 +0100
-@@ -231,7 +231,7 @@ __ip_vs_route_output_v6(struct net *net,
+diff -NurpP --minimal linux-4.4.111/net/netfilter/ipvs/ip_vs_xmit.c linux-4.4.111-vs2.3.9.5/net/netfilter/ipvs/ip_vs_xmit.c
+--- linux-4.4.111/net/netfilter/ipvs/ip_vs_xmit.c 2016-07-05 04:15:15.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/netfilter/ipvs/ip_vs_xmit.c 2018-01-09 16:36:34.000000000 +0000
+@@ -381,7 +381,7 @@ __ip_vs_route_output_v6(struct net *net,
return dst;
- if (ipv6_addr_any(&fl.fl6_src) &&
+ if (ipv6_addr_any(&fl6.saddr) &&
ipv6_dev_get_saddr(net, ip6_dst_idev(dst)->dev,
-- &fl.fl6_dst, 0, &fl.fl6_src) < 0)
-+ &fl.fl6_dst, 0, &fl.fl6_src, NULL) < 0)
- goto out_err;
- if (do_xfrm && xfrm_lookup(net, &dst, &fl, NULL, 0) < 0)
+- &fl6.daddr, 0, &fl6.saddr) < 0)
++ &fl6.daddr, 0, &fl6.saddr, NULL) < 0)
goto out_err;
-diff -NurpP --minimal linux-2.6.37/net/netlink/af_netlink.c linux-2.6.37-vs2.3.0.37-rc3/net/netlink/af_netlink.c
---- linux-2.6.37/net/netlink/af_netlink.c 2011-01-05 21:50:43.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/netlink/af_netlink.c 2010-11-23 02:09:41.000000000 +0100
-@@ -55,6 +55,9 @@
- #include <linux/types.h>
- #include <linux/audit.h>
- #include <linux/mutex.h>
+ if (do_xfrm) {
+ dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
+diff -NurpP --minimal linux-4.4.111/net/netlink/af_netlink.c linux-4.4.111-vs2.3.9.5/net/netlink/af_netlink.c
+--- linux-4.4.111/net/netlink/af_netlink.c 2018-01-11 07:57:56.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/netlink/af_netlink.c 2018-01-09 16:36:34.000000000 +0000
+@@ -62,6 +62,8 @@
+ #include <asm/cacheflush.h>
+ #include <linux/hash.h>
+ #include <linux/genetlink.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>
-@@ -1912,6 +1915,8 @@ static struct sock *netlink_seq_socket_i
- sk_for_each(s, node, &hash->table[j]) {
- if (sock_net(s) != seq_file_net(seq))
- continue;
-+ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
-+ continue;
- if (off == pos) {
- iter->link = i;
- iter->hash_idx = j;
-@@ -1946,7 +1951,8 @@ 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;
-
-@@ -1958,7 +1964,8 @@ 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-2.6.37/net/sctp/ipv6.c linux-2.6.37-vs2.3.0.37-rc3/net/sctp/ipv6.c
---- linux-2.6.37/net/sctp/ipv6.c 2011-01-05 21:50:45.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/sctp/ipv6.c 2010-11-23 02:09:41.000000000 +0100
-@@ -306,7 +306,8 @@ 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: %pI6\n",
- &saddr->v6.sin6_addr);
- return;
-diff -NurpP --minimal linux-2.6.37/net/socket.c linux-2.6.37-vs2.3.0.37-rc3/net/socket.c
---- linux-2.6.37/net/socket.c 2011-01-05 21:50:45.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/socket.c 2011-01-05 22:30:44.000000000 +0100
-@@ -98,6 +98,10 @@
+@@ -2460,7 +2462,8 @@ static void *__netlink_seq_next(struct s
+ if (err)
+ return ERR_PTR(err);
+ }
+- } while (sock_net(&nlk->sk) != seq_file_net(seq));
++ } while ((sock_net(&nlk->sk) != seq_file_net(seq)) ||
++ !nx_check(nlk->sk.sk_nid, VS_WATCH_P | VS_IDENT));
+
+ return nlk;
+ }
+diff -NurpP --minimal linux-4.4.111/net/socket.c linux-4.4.111-vs2.3.9.5/net/socket.c
+--- linux-4.4.111/net/socket.c 2018-01-11 07:57:56.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/socket.c 2018-01-09 16:36:34.000000000 +0000
+@@ -99,10 +99,12 @@
#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>
#include <linux/if_tun.h>
#include <linux/ipv6_route.h>
-@@ -550,7 +554,7 @@ static inline int __sock_sendmsg(struct
- struct msghdr *msg, size_t size)
- {
- struct sock_iocb *si = kiocb_to_siocb(iocb);
-- int err;
-+ int err, len;
-
- sock_update_classid(sock->sk);
-
-@@ -563,7 +567,22 @@ static inline int __sock_sendmsg(struct
- if (err)
- return err;
+-#include <linux/route.h>
+ #include <linux/sockios.h>
+ #include <linux/atalk.h>
+ #include <net/busy_poll.h>
+@@ -608,8 +610,24 @@ EXPORT_SYMBOL(__sock_tx_timestamp);
-- return sock->ops->sendmsg(iocb, sock, msg, size);
-+ len = sock->ops->sendmsg(iocb, sock, msg, size);
+ static inline int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg)
+ {
+- int ret = sock->ops->sendmsg(sock, msg, msg_data_left(msg));
+- BUG_ON(ret == -EIOCBQUEUED);
++ size_t size = msg_data_left(msg);
++ int ret = sock->ops->sendmsg(sock, msg, size);
++#if 0
+ if (sock->sk) {
-+ if (len == size)
-+ vx_sock_send(sock->sk, size);
-+ else
++ if (!ret)
+ vx_sock_fail(sock->sk, size);
++ else
++ vx_sock_send(sock->sk, size);
+ }
++#endif
+ vxdprintk(VXD_CBIT(net, 7),
-+ "__sock_sendmsg: %p[%p,%p,%p;%d/%d]:%d/%d",
-+ sock, sock->sk,
-+ (sock->sk)?sock->sk->sk_nx_info:0,
-+ (sock->sk)?sock->sk->sk_vx_info:0,
-+ (sock->sk)?sock->sk->sk_xid:0,
-+ (sock->sk)?sock->sk->sk_nid:0,
-+ (unsigned int)size, len);
-+ return len;
- }
-
- int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
-@@ -681,6 +700,7 @@ static inline int __sock_recvmsg_nosec(s
- struct msghdr *msg, size_t size, int flags)
- {
- struct sock_iocb *si = kiocb_to_siocb(iocb);
-+ int len;
-
- sock_update_classid(sock->sk);
-
-@@ -690,7 +710,18 @@ 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);
-+ if ((len >= 0) && sock->sk)
-+ vx_sock_recv(sock->sk, len);
-+ vxdprintk(VXD_CBIT(net, 7),
-+ "__sock_recvmsg: %p[%p,%p,%p;%d/%d]:%d/%d",
++ "sock_sendmsg_nosec: %p[%p,%p,%p;%d/%d]:%zu/%zu",
+ sock, sock->sk,
+ (sock->sk)?sock->sk->sk_nx_info:0,
+ (sock->sk)?sock->sk->sk_vx_info:0,
+ (sock->sk)?sock->sk->sk_xid:0,
+ (sock->sk)?sock->sk->sk_nid:0,
-+ (unsigned int)size, len);
-+ return len;
++ size, msg_data_left(msg));
+ return ret;
}
- static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
-@@ -1174,6 +1205,13 @@ int __sock_create(struct net *net, int f
+@@ -1100,6 +1118,13 @@ 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
-@@ -1309,6 +1347,7 @@ SYSCALL_DEFINE3(socket, int, family, int
+@@ -1234,6 +1259,7 @@ 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;
-@@ -1350,10 +1389,12 @@ SYSCALL_DEFINE4(socketpair, int, family,
+@@ -1275,10 +1301,12 @@ 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-2.6.37/net/sunrpc/auth.c linux-2.6.37-vs2.3.0.37-rc3/net/sunrpc/auth.c
---- linux-2.6.37/net/sunrpc/auth.c 2011-01-05 21:50:45.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/sunrpc/auth.c 2010-11-23 02:09:41.000000000 +0100
-@@ -14,6 +14,7 @@
- #include <linux/hash.h>
+diff -NurpP --minimal linux-4.4.111/net/sunrpc/auth.c linux-4.4.111-vs2.3.9.5/net/sunrpc/auth.c
+--- linux-4.4.111/net/sunrpc/auth.c 2015-10-29 09:21:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/sunrpc/auth.c 2018-01-09 16:36:34.000000000 +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
+ #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
-@@ -425,6 +426,7 @@ rpcauth_lookupcred(struct rpc_auth *auth
+@@ -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 = dx_current_tag();
- acred.group_info = get_group_info(((struct cred *)cred)->group_info);
-
++ 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);
-@@ -465,6 +467,7 @@ rpcauth_bind_root_cred(struct rpc_task *
+ 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()),
};
dprintk("RPC: %5u looking up %s cred\n",
-diff -NurpP --minimal linux-2.6.37/net/sunrpc/auth_unix.c linux-2.6.37-vs2.3.0.37-rc3/net/sunrpc/auth_unix.c
---- linux-2.6.37/net/sunrpc/auth_unix.c 2010-10-21 13:08:01.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/sunrpc/auth_unix.c 2010-11-23 02:09:41.000000000 +0100
-@@ -12,12 +12,14 @@
- #include <linux/module.h>
+diff -NurpP --minimal linux-4.4.111/net/sunrpc/auth_unix.c linux-4.4.111-vs2.3.9.5/net/sunrpc/auth_unix.c
+--- linux-4.4.111/net/sunrpc/auth_unix.c 2016-07-05 04:12:45.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/sunrpc/auth_unix.c 2018-01-09 16:36:34.000000000 +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_rqstp->rq_cred, struct unx_cred, uc_base);
__be32 *base, *hold;
*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-2.6.37/net/sunrpc/clnt.c linux-2.6.37-vs2.3.0.37-rc3/net/sunrpc/clnt.c
---- linux-2.6.37/net/sunrpc/clnt.c 2011-01-05 21:50:45.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/sunrpc/clnt.c 2011-01-05 22:30:44.000000000 +0100
-@@ -33,6 +33,7 @@
- #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-4.4.111/net/sunrpc/clnt.c linux-4.4.111-vs2.3.9.5/net/sunrpc/clnt.c
+--- linux-4.4.111/net/sunrpc/clnt.c 2018-01-11 07:57:57.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/sunrpc/clnt.c 2018-01-09 16:36:34.000000000 +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>
-@@ -359,6 +360,9 @@ struct rpc_clnt *rpc_create(struct rpc_c
+ #include <linux/sunrpc/addr.h>
+@@ -477,6 +478,9 @@ static struct rpc_clnt *rpc_create_xprt(
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-2.6.37/net/unix/af_unix.c linux-2.6.37-vs2.3.0.37-rc3/net/unix/af_unix.c
---- linux-2.6.37/net/unix/af_unix.c 2011-01-05 21:50:46.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/net/unix/af_unix.c 2011-01-05 22:30:44.000000000 +0100
-@@ -114,6 +114,8 @@
- #include <linux/mount.h>
+
+diff -NurpP --minimal linux-4.4.111/net/unix/af_unix.c linux-4.4.111-vs2.3.9.5/net/unix/af_unix.c
+--- linux-4.4.111/net/unix/af_unix.c 2018-01-11 07:57:57.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/net/unix/af_unix.c 2018-01-09 16:36:34.000000000 +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);
+@@ -282,6 +284,8 @@ 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;
-@@ -2179,6 +2183,8 @@ 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))
+@@ -2741,6 +2745,8 @@ 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;
-@@ -2203,7 +2209,8 @@ 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-2.6.37/scripts/checksyscalls.sh linux-2.6.37-vs2.3.0.37-rc3/scripts/checksyscalls.sh
---- linux-2.6.37/scripts/checksyscalls.sh 2010-10-21 13:08:01.000000000 +0200
-+++ linux-2.6.37-vs2.3.0.37-rc3/scripts/checksyscalls.sh 2010-11-23 02:09:41.000000000 +0100
-@@ -193,7 +193,6 @@ cat << EOF
+ if (++count == offset)
+ break;
+ }
+@@ -2758,6 +2764,8 @@ 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-4.4.111/scripts/checksyscalls.sh linux-4.4.111-vs2.3.9.5/scripts/checksyscalls.sh
+--- linux-4.4.111/scripts/checksyscalls.sh 2015-10-29 09:21:46.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/scripts/checksyscalls.sh 2018-01-09 16:36:34.000000000 +0000
+@@ -196,7 +196,6 @@ cat << EOF
#define __IGNORE_afs_syscall
#define __IGNORE_getpmsg
#define __IGNORE_putpmsg
EOF
}
-diff -NurpP --minimal linux-2.6.37/security/commoncap.c linux-2.6.37-vs2.3.0.37-rc3/security/commoncap.c
---- linux-2.6.37/security/commoncap.c 2011-01-05 21:50:47.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/security/commoncap.c 2010-11-23 02:21:20.000000000 +0100
-@@ -27,6 +27,7 @@
- #include <linux/sched.h>
- #include <linux/prctl.h>
- #include <linux/securebits.h>
-+// #include <linux/vs_context.h>
-
- /*
- * If a non-root user executes a setuid-root binary in
-@@ -52,7 +53,7 @@ static void warn_setuid_and_fcaps_mixed(
-
- int cap_netlink_send(struct sock *sk, struct sk_buff *skb)
+diff -NurpP --minimal linux-4.4.111/security/commoncap.c linux-4.4.111-vs2.3.9.5/security/commoncap.c
+--- linux-4.4.111/security/commoncap.c 2018-01-11 07:57:57.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/security/commoncap.c 2018-01-09 16:36:34.000000000 +0000
+@@ -71,6 +71,7 @@ static void warn_setuid_and_fcaps_mixed(
+ int cap_capable(const struct cred *cred, struct user_namespace *targ_ns,
+ int cap, int audit)
{
-- NETLINK_CB(skb).eff_cap = current_cap();
-+ NETLINK_CB(skb).eff_cap = vx_mbcaps(current_cap());
- return 0;
- }
-
-@@ -62,6 +63,7 @@ int cap_netlink_recv(struct sk_buff *skb
- return -EPERM;
- return 0;
- }
-+
- EXPORT_SYMBOL(cap_netlink_recv);
++ struct vx_info *vxi = current_vx_info(); /* FIXME: get vxi from cred? */
+ struct user_namespace *ns = targ_ns;
- /**
-@@ -82,7 +84,22 @@ EXPORT_SYMBOL(cap_netlink_recv);
- int cap_capable(struct task_struct *tsk, const struct cred *cred, int cap,
- int audit)
- {
-- return cap_raised(cred->cap_effective, cap) ? 0 : -EPERM;
-+ 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) &&
-+ /* FIXME: maybe use cred instead? */
-+ cap_raised(tsk->cred->cap_effective, cap))
-+ return 0;
-+
-+ return vx_cap_raised(vxi, cred->cap_effective, cap) ? 0 : -EPERM;
- }
+ /* See if cred has the capability in the target user namespace
+@@ -79,8 +80,12 @@ 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;
++ }
- /**
-@@ -570,7 +587,7 @@ int cap_inode_setxattr(struct dentry *de
+ /* Have we tried all of the parent namespaces? */
+ if (ns == &init_user_ns)
+@@ -664,7 +669,7 @@ int cap_inode_setxattr(struct dentry *de
if (!strncmp(name, XATTR_SECURITY_PREFIX,
sizeof(XATTR_SECURITY_PREFIX) - 1) &&
return -EPERM;
return 0;
}
-@@ -596,7 +613,7 @@ int cap_inode_removexattr(struct dentry
+@@ -690,7 +695,7 @@ int cap_inode_removexattr(struct dentry
if (!strncmp(name, XATTR_SECURITY_PREFIX,
sizeof(XATTR_SECURITY_PREFIX) - 1) &&
return -EPERM;
return 0;
}
-@@ -929,3 +946,4 @@ int cap_file_mmap(struct file *file, uns
- }
- return ret;
- }
-+
-diff -NurpP --minimal linux-2.6.37/security/selinux/hooks.c linux-2.6.37-vs2.3.0.37-rc3/security/selinux/hooks.c
---- linux-2.6.37/security/selinux/hooks.c 2011-01-05 21:50:47.000000000 +0100
-+++ linux-2.6.37-vs2.3.0.37-rc3/security/selinux/hooks.c 2010-11-23 02:09:41.000000000 +0100
-@@ -64,7 +64,6 @@
+diff -NurpP --minimal linux-4.4.111/security/selinux/hooks.c linux-4.4.111-vs2.3.9.5/security/selinux/hooks.c
+--- linux-4.4.111/security/selinux/hooks.c 2018-01-11 07:57:57.000000000 +0000
++++ linux-4.4.111-vs2.3.9.5/security/selinux/hooks.c 2018-01-09 16:36:34.000000000 +0000
+@@ -67,7 +67,6 @@
#include <linux/dccp.h>
#include <linux/quota.h>
#include <linux/un.h> /* for Unix socket types */
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