+++ /dev/null
-From c13060e4787e9578dafad85a47c62457424bec9c Mon Sep 17 00:00:00 2001
-From: Tim Schumacher <timschumi@gmx.de>
-Date: Wed, 26 Sep 2018 19:29:26 +0200
-Subject: [PATCH] Linux 4.19-rc3+ compat: Remove refcount_t compat
-
-torvalds/linux@59b57717f ("blkcg: delay blkg destruction until
-after writeback has finished") added a refcount_t to the blkcg
-structure. Due to the refcount_t compatibility code, zfs_refcount_t
-was used by mistake.
-
-Resolve this by removing the compatibility code and replacing the
-occurrences of refcount_t with zfs_refcount_t.
-
-Reviewed-by: Franz Pletz <fpletz@fnordicwalking.de>
-Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
-Signed-off-by: Tim Schumacher <timschumi@gmx.de>
-Closes #7885
-Closes #7932
----
- cmd/ztest/ztest.c | 6 ++---
- include/linux/vfs_compat.h | 5 ----
- include/sys/abd.h | 2 +-
- include/sys/arc.h | 2 +-
- include/sys/arc_impl.h | 8 +++---
- include/sys/dbuf.h | 2 +-
- include/sys/dmu_tx.h | 4 +--
- include/sys/dnode.h | 4 +--
- include/sys/dsl_crypt.h | 6 ++---
- include/sys/dsl_dataset.h | 2 +-
- include/sys/metaslab_impl.h | 4 +--
- include/sys/refcount.h | 52 ++++++++++++++++---------------------
- include/sys/rrwlock.h | 4 +--
- include/sys/sa_impl.h | 2 +-
- include/sys/spa_impl.h | 6 ++---
- include/sys/zap.h | 2 +-
- include/sys/zfs_znode.h | 2 +-
- module/zfs/arc.c | 16 ++++++------
- module/zfs/dbuf.c | 10 +++----
- module/zfs/dmu.c | 2 +-
- module/zfs/dmu_tx.c | 6 ++---
- module/zfs/dnode.c | 6 ++---
- module/zfs/dsl_crypt.c | 12 ++++-----
- module/zfs/dsl_dataset.c | 2 +-
- module/zfs/dsl_scan.c | 6 ++---
- module/zfs/metaslab.c | 14 +++++-----
- module/zfs/refcount.c | 30 ++++++++++-----------
- module/zfs/rrwlock.c | 4 +--
- module/zfs/sa.c | 2 +-
- module/zfs/spa_misc.c | 8 +++---
- module/zfs/zfs_ctldir.c | 10 +++----
- module/zfs/zfs_znode.c | 2 +-
- 32 files changed, 116 insertions(+), 127 deletions(-)
-
-diff --git a/cmd/ztest/ztest.c b/cmd/ztest/ztest.c
-index 83d057a74d9..ae25957dc13 100644
---- a/cmd/ztest/ztest.c
-+++ b/cmd/ztest/ztest.c
-@@ -1323,7 +1323,7 @@ ztest_dmu_objset_own(const char *name, dmu_objset_type_t type,
- */
- typedef struct {
- list_node_t z_lnode;
-- refcount_t z_refcnt;
-+ zfs_refcount_t z_refcnt;
- uint64_t z_object;
- zfs_rlock_t z_range_lock;
- } ztest_znode_t;
-@@ -1382,13 +1382,13 @@ ztest_znode_get(ztest_ds_t *zd, uint64_t object)
- for (zp = list_head(&zll->z_list); (zp);
- zp = list_next(&zll->z_list, zp)) {
- if (zp->z_object == object) {
-- refcount_add(&zp->z_refcnt, RL_TAG);
-+ zfs_refcount_add(&zp->z_refcnt, RL_TAG);
- break;
- }
- }
- if (zp == NULL) {
- zp = ztest_znode_init(object);
-- refcount_add(&zp->z_refcnt, RL_TAG);
-+ zfs_refcount_add(&zp->z_refcnt, RL_TAG);
- list_insert_head(&zll->z_list, zp);
- }
- mutex_exit(&zll->z_lock);
-diff --git a/include/linux/vfs_compat.h b/include/linux/vfs_compat.h
-index 90b3cca78c0..c01f5850881 100644
---- a/include/linux/vfs_compat.h
-+++ b/include/linux/vfs_compat.h
-@@ -297,9 +297,6 @@ lseek_execute(
- * This is several orders of magnitude larger than expected grace period.
- * At 60 seconds the kernel will also begin issuing RCU stall warnings.
- */
--#ifdef refcount_t
--#undef refcount_t
--#endif
-
- #include <linux/posix_acl.h>
-
-@@ -430,8 +427,6 @@ typedef mode_t zpl_equivmode_t;
- #define zpl_posix_acl_valid(ip, acl) posix_acl_valid(acl)
- #endif
-
--#define refcount_t zfs_refcount_t
--
- #endif /* CONFIG_FS_POSIX_ACL */
-
- /*
-diff --git a/include/sys/abd.h b/include/sys/abd.h
-index 077bb9d1761..3d9fdbf102a 100644
---- a/include/sys/abd.h
-+++ b/include/sys/abd.h
-@@ -51,7 +51,7 @@ typedef struct abd {
- abd_flags_t abd_flags;
- uint_t abd_size; /* excludes scattered abd_offset */
- struct abd *abd_parent;
-- refcount_t abd_children;
-+ zfs_refcount_t abd_children;
- union {
- struct abd_scatter {
- uint_t abd_offset;
-diff --git a/include/sys/arc.h b/include/sys/arc.h
-index a5bdefb56f4..dc2fd03647f 100644
---- a/include/sys/arc.h
-+++ b/include/sys/arc.h
-@@ -87,7 +87,7 @@ struct arc_prune {
- void *p_private;
- uint64_t p_adjust;
- list_node_t p_node;
-- refcount_t p_refcnt;
-+ zfs_refcount_t p_refcnt;
- };
-
- typedef enum arc_strategy {
-diff --git a/include/sys/arc_impl.h b/include/sys/arc_impl.h
-index 52863bba4ee..cd42c0c01a2 100644
---- a/include/sys/arc_impl.h
-+++ b/include/sys/arc_impl.h
-@@ -75,12 +75,12 @@ typedef struct arc_state {
- /*
- * total amount of evictable data in this state
- */
-- refcount_t arcs_esize[ARC_BUFC_NUMTYPES];
-+ zfs_refcount_t arcs_esize[ARC_BUFC_NUMTYPES];
- /*
- * total amount of data in this state; this includes: evictable,
- * non-evictable, ARC_BUFC_DATA, and ARC_BUFC_METADATA.
- */
-- refcount_t arcs_size;
-+ zfs_refcount_t arcs_size;
- /*
- * supports the "dbufs" kstat
- */
-@@ -168,7 +168,7 @@ typedef struct l1arc_buf_hdr {
- uint32_t b_l2_hits;
-
- /* self protecting */
-- refcount_t b_refcnt;
-+ zfs_refcount_t b_refcnt;
-
- arc_callback_t *b_acb;
- abd_t *b_pabd;
-@@ -215,7 +215,7 @@ typedef struct l2arc_dev {
- kmutex_t l2ad_mtx; /* lock for buffer list */
- list_t l2ad_buflist; /* buffer list */
- list_node_t l2ad_node; /* device list node */
-- refcount_t l2ad_alloc; /* allocated bytes */
-+ zfs_refcount_t l2ad_alloc; /* allocated bytes */
- } l2arc_dev_t;
-
- typedef struct l2arc_buf_hdr {
-diff --git a/include/sys/dbuf.h b/include/sys/dbuf.h
-index ab0950c83c2..eea9e265b00 100644
---- a/include/sys/dbuf.h
-+++ b/include/sys/dbuf.h
-@@ -230,7 +230,7 @@ typedef struct dmu_buf_impl {
- * If nonzero, the buffer can't be destroyed.
- * Protected by db_mtx.
- */
-- refcount_t db_holds;
-+ zfs_refcount_t db_holds;
-
- /* buffer holding our data */
- arc_buf_t *db_buf;
-diff --git a/include/sys/dmu_tx.h b/include/sys/dmu_tx.h
-index 6a4bd3fac2c..36d205e9501 100644
---- a/include/sys/dmu_tx.h
-+++ b/include/sys/dmu_tx.h
-@@ -97,8 +97,8 @@ typedef struct dmu_tx_hold {
- dmu_tx_t *txh_tx;
- list_node_t txh_node;
- struct dnode *txh_dnode;
-- refcount_t txh_space_towrite;
-- refcount_t txh_memory_tohold;
-+ zfs_refcount_t txh_space_towrite;
-+ zfs_refcount_t txh_memory_tohold;
- enum dmu_tx_hold_type txh_type;
- uint64_t txh_arg1;
- uint64_t txh_arg2;
-diff --git a/include/sys/dnode.h b/include/sys/dnode.h
-index 0774e663f1b..48ef927d4ad 100644
---- a/include/sys/dnode.h
-+++ b/include/sys/dnode.h
-@@ -335,8 +335,8 @@ struct dnode {
- uint8_t *dn_dirtyctx_firstset; /* dbg: contents meaningless */
-
- /* protected by own devices */
-- refcount_t dn_tx_holds;
-- refcount_t dn_holds;
-+ zfs_refcount_t dn_tx_holds;
-+ zfs_refcount_t dn_holds;
-
- kmutex_t dn_dbufs_mtx;
- /*
-diff --git a/include/sys/dsl_crypt.h b/include/sys/dsl_crypt.h
-index 8766ce51ea9..c6d2b0a16ac 100644
---- a/include/sys/dsl_crypt.h
-+++ b/include/sys/dsl_crypt.h
-@@ -62,7 +62,7 @@ typedef struct dsl_wrapping_key {
- crypto_key_t wk_key;
-
- /* refcount of number of dsl_crypto_key_t's holding this struct */
-- refcount_t wk_refcnt;
-+ zfs_refcount_t wk_refcnt;
-
- /* dsl directory object that owns this wrapping key */
- uint64_t wk_ddobj;
-@@ -112,7 +112,7 @@ typedef struct dsl_crypto_key {
- avl_node_t dck_avl_link;
-
- /* refcount of dsl_key_mapping_t's holding this key */
-- refcount_t dck_holds;
-+ zfs_refcount_t dck_holds;
-
- /* master key used to derive encryption keys */
- zio_crypt_key_t dck_key;
-@@ -134,7 +134,7 @@ typedef struct dsl_key_mapping {
- avl_node_t km_avl_link;
-
- /* refcount of how many users are depending on this mapping */
-- refcount_t km_refcnt;
-+ zfs_refcount_t km_refcnt;
-
- /* dataset this crypto key belongs to (index) */
- uint64_t km_dsobj;
-diff --git a/include/sys/dsl_dataset.h b/include/sys/dsl_dataset.h
-index dbe4cb706a1..768241483a2 100644
---- a/include/sys/dsl_dataset.h
-+++ b/include/sys/dsl_dataset.h
-@@ -211,7 +211,7 @@ typedef struct dsl_dataset {
- * Owning counts as a long hold. See the comments above
- * dsl_pool_hold() for details.
- */
-- refcount_t ds_longholds;
-+ zfs_refcount_t ds_longholds;
-
- /* no locking; only for making guesses */
- uint64_t ds_trysnap_txg;
-diff --git a/include/sys/metaslab_impl.h b/include/sys/metaslab_impl.h
-index cc6e8b796d4..aa1c82a0258 100644
---- a/include/sys/metaslab_impl.h
-+++ b/include/sys/metaslab_impl.h
-@@ -184,7 +184,7 @@ struct metaslab_class {
- * number of allocations allowed.
- */
- uint64_t *mc_alloc_max_slots;
-- refcount_t *mc_alloc_slots;
-+ zfs_refcount_t *mc_alloc_slots;
-
- uint64_t mc_alloc_groups; /* # of allocatable groups */
-
-@@ -256,7 +256,7 @@ struct metaslab_group {
- */
- uint64_t mg_max_alloc_queue_depth;
- uint64_t *mg_cur_max_alloc_queue_depth;
-- refcount_t *mg_alloc_queue_depth;
-+ zfs_refcount_t *mg_alloc_queue_depth;
- int mg_allocators;
- /*
- * A metalab group that can no longer allocate the minimum block
-diff --git a/include/sys/refcount.h b/include/sys/refcount.h
-index 02002ec2ffd..e20ffbc30f9 100644
---- a/include/sys/refcount.h
-+++ b/include/sys/refcount.h
-@@ -41,17 +41,6 @@ extern "C" {
- */
- #define FTAG ((char *)(uintptr_t)__func__)
-
--/*
-- * Starting with 4.11, torvalds/linux@f405df5, the linux kernel defines a
-- * refcount_t type of its own. The macro below effectively changes references
-- * in the ZFS code from refcount_t to zfs_refcount_t at compile time, so that
-- * existing code need not be altered, reducing conflicts when landing openZFS
-- * patches.
-- */
--
--#define refcount_t zfs_refcount_t
--#define refcount_add zfs_refcount_add
--
- #ifdef ZFS_DEBUG
- typedef struct reference {
- list_node_t ref_link;
-@@ -69,23 +58,28 @@ typedef struct refcount {
- uint64_t rc_removed_count;
- } zfs_refcount_t;
-
--/* Note: refcount_t must be initialized with refcount_create[_untracked]() */
--
--void refcount_create(refcount_t *rc);
--void refcount_create_untracked(refcount_t *rc);
--void refcount_create_tracked(refcount_t *rc);
--void refcount_destroy(refcount_t *rc);
--void refcount_destroy_many(refcount_t *rc, uint64_t number);
--int refcount_is_zero(refcount_t *rc);
--int64_t refcount_count(refcount_t *rc);
--int64_t zfs_refcount_add(refcount_t *rc, void *holder_tag);
--int64_t refcount_remove(refcount_t *rc, void *holder_tag);
--int64_t refcount_add_many(refcount_t *rc, uint64_t number, void *holder_tag);
--int64_t refcount_remove_many(refcount_t *rc, uint64_t number, void *holder_tag);
--void refcount_transfer(refcount_t *dst, refcount_t *src);
--void refcount_transfer_ownership(refcount_t *, void *, void *);
--boolean_t refcount_held(refcount_t *, void *);
--boolean_t refcount_not_held(refcount_t *, void *);
-+/*
-+ * Note: zfs_refcount_t must be initialized with
-+ * refcount_create[_untracked]()
-+ */
-+
-+void refcount_create(zfs_refcount_t *rc);
-+void refcount_create_untracked(zfs_refcount_t *rc);
-+void refcount_create_tracked(zfs_refcount_t *rc);
-+void refcount_destroy(zfs_refcount_t *rc);
-+void refcount_destroy_many(zfs_refcount_t *rc, uint64_t number);
-+int refcount_is_zero(zfs_refcount_t *rc);
-+int64_t refcount_count(zfs_refcount_t *rc);
-+int64_t zfs_refcount_add(zfs_refcount_t *rc, void *holder_tag);
-+int64_t refcount_remove(zfs_refcount_t *rc, void *holder_tag);
-+int64_t refcount_add_many(zfs_refcount_t *rc, uint64_t number,
-+ void *holder_tag);
-+int64_t refcount_remove_many(zfs_refcount_t *rc, uint64_t number,
-+ void *holder_tag);
-+void refcount_transfer(zfs_refcount_t *dst, zfs_refcount_t *src);
-+void refcount_transfer_ownership(zfs_refcount_t *, void *, void *);
-+boolean_t refcount_held(zfs_refcount_t *, void *);
-+boolean_t refcount_not_held(zfs_refcount_t *, void *);
-
- void refcount_init(void);
- void refcount_fini(void);
-@@ -94,7 +88,7 @@ void refcount_fini(void);
-
- typedef struct refcount {
- uint64_t rc_count;
--} refcount_t;
-+} zfs_refcount_t;
-
- #define refcount_create(rc) ((rc)->rc_count = 0)
- #define refcount_create_untracked(rc) ((rc)->rc_count = 0)
-diff --git a/include/sys/rrwlock.h b/include/sys/rrwlock.h
-index 7a328fd6803..e1c1756cf29 100644
---- a/include/sys/rrwlock.h
-+++ b/include/sys/rrwlock.h
-@@ -57,8 +57,8 @@ typedef struct rrwlock {
- kmutex_t rr_lock;
- kcondvar_t rr_cv;
- kthread_t *rr_writer;
-- refcount_t rr_anon_rcount;
-- refcount_t rr_linked_rcount;
-+ zfs_refcount_t rr_anon_rcount;
-+ zfs_refcount_t rr_linked_rcount;
- boolean_t rr_writer_wanted;
- boolean_t rr_track_all;
- } rrwlock_t;
-diff --git a/include/sys/sa_impl.h b/include/sys/sa_impl.h
-index b68b7610b25..7eddd8750fa 100644
---- a/include/sys/sa_impl.h
-+++ b/include/sys/sa_impl.h
-@@ -110,7 +110,7 @@ typedef struct sa_idx_tab {
- list_node_t sa_next;
- sa_lot_t *sa_layout;
- uint16_t *sa_variable_lengths;
-- refcount_t sa_refcount;
-+ zfs_refcount_t sa_refcount;
- uint32_t *sa_idx_tab; /* array of offsets */
- } sa_idx_tab_t;
-
-diff --git a/include/sys/spa_impl.h b/include/sys/spa_impl.h
-index 676e8b8a228..9dbdcfcf528 100644
---- a/include/sys/spa_impl.h
-+++ b/include/sys/spa_impl.h
-@@ -139,7 +139,7 @@ typedef struct spa_config_lock {
- kthread_t *scl_writer;
- int scl_write_wanted;
- kcondvar_t scl_cv;
-- refcount_t scl_count;
-+ zfs_refcount_t scl_count;
- } spa_config_lock_t;
-
- typedef struct spa_config_dirent {
-@@ -387,12 +387,12 @@ struct spa {
-
- /*
- * spa_refcount & spa_config_lock must be the last elements
-- * because refcount_t changes size based on compilation options.
-+ * because zfs_refcount_t changes size based on compilation options.
- * In order for the MDB module to function correctly, the other
- * fields must remain in the same location.
- */
- spa_config_lock_t spa_config_lock[SCL_LOCKS]; /* config changes */
-- refcount_t spa_refcount; /* number of opens */
-+ zfs_refcount_t spa_refcount; /* number of opens */
-
- taskq_t *spa_upgrade_taskq; /* taskq for upgrade jobs */
- };
-diff --git a/include/sys/zap.h b/include/sys/zap.h
-index 43b7fbd263c..7acc3becb5a 100644
---- a/include/sys/zap.h
-+++ b/include/sys/zap.h
-@@ -226,7 +226,7 @@ int zap_lookup_norm_by_dnode(dnode_t *dn, const char *name,
- boolean_t *ncp);
-
- int zap_count_write_by_dnode(dnode_t *dn, const char *name,
-- int add, refcount_t *towrite, refcount_t *tooverwrite);
-+ int add, zfs_refcount_t *towrite, zfs_refcount_t *tooverwrite);
-
- /*
- * Create an attribute with the given name and value.
-diff --git a/include/sys/zfs_znode.h b/include/sys/zfs_znode.h
-index e82ac9941a2..01f4328f040 100644
---- a/include/sys/zfs_znode.h
-+++ b/include/sys/zfs_znode.h
-@@ -223,7 +223,7 @@ typedef struct znode_hold {
- uint64_t zh_obj; /* object id */
- kmutex_t zh_lock; /* lock serializing object access */
- avl_node_t zh_node; /* avl tree linkage */
-- refcount_t zh_refcount; /* active consumer reference count */
-+ zfs_refcount_t zh_refcount; /* active consumer reference count */
- } znode_hold_t;
-
- static inline uint64_t
-diff --git a/module/zfs/arc.c b/module/zfs/arc.c
-index 5e53f987961..cd094f39ee7 100644
---- a/module/zfs/arc.c
-+++ b/module/zfs/arc.c
-@@ -2403,7 +2403,7 @@ add_reference(arc_buf_hdr_t *hdr, void *tag)
-
- state = hdr->b_l1hdr.b_state;
-
-- if ((refcount_add(&hdr->b_l1hdr.b_refcnt, tag) == 1) &&
-+ if ((zfs_refcount_add(&hdr->b_l1hdr.b_refcnt, tag) == 1) &&
- (state != arc_anon)) {
- /* We don't use the L2-only state list. */
- if (state != arc_l2c_only) {
-@@ -2997,7 +2997,7 @@ arc_return_buf(arc_buf_t *buf, void *tag)
-
- ASSERT3P(buf->b_data, !=, NULL);
- ASSERT(HDR_HAS_L1HDR(hdr));
-- (void) refcount_add(&hdr->b_l1hdr.b_refcnt, tag);
-+ (void) zfs_refcount_add(&hdr->b_l1hdr.b_refcnt, tag);
- (void) refcount_remove(&hdr->b_l1hdr.b_refcnt, arc_onloan_tag);
-
- arc_loaned_bytes_update(-arc_buf_size(buf));
-@@ -3011,7 +3011,7 @@ arc_loan_inuse_buf(arc_buf_t *buf, void *tag)
-
- ASSERT3P(buf->b_data, !=, NULL);
- ASSERT(HDR_HAS_L1HDR(hdr));
-- (void) refcount_add(&hdr->b_l1hdr.b_refcnt, arc_onloan_tag);
-+ (void) zfs_refcount_add(&hdr->b_l1hdr.b_refcnt, arc_onloan_tag);
- (void) refcount_remove(&hdr->b_l1hdr.b_refcnt, tag);
-
- arc_loaned_bytes_update(arc_buf_size(buf));
-@@ -3558,11 +3558,11 @@ arc_hdr_realloc_crypt(arc_buf_hdr_t *hdr, boolean_t need_crypt)
- nhdr->b_l1hdr.b_pabd = hdr->b_l1hdr.b_pabd;
-
- /*
-- * This refcount_add() exists only to ensure that the individual
-+ * This zfs_refcount_add() exists only to ensure that the individual
- * arc buffers always point to a header that is referenced, avoiding
- * a small race condition that could trigger ASSERTs.
- */
-- (void) refcount_add(&nhdr->b_l1hdr.b_refcnt, FTAG);
-+ (void) zfs_refcount_add(&nhdr->b_l1hdr.b_refcnt, FTAG);
- nhdr->b_l1hdr.b_buf = hdr->b_l1hdr.b_buf;
- for (buf = nhdr->b_l1hdr.b_buf; buf != NULL; buf = buf->b_next) {
- mutex_enter(&buf->b_evict_lock);
-@@ -4313,7 +4313,7 @@ arc_prune_async(int64_t adjust)
- if (refcount_count(&ap->p_refcnt) >= 2)
- continue;
-
-- refcount_add(&ap->p_refcnt, ap->p_pfunc);
-+ zfs_refcount_add(&ap->p_refcnt, ap->p_pfunc);
- ap->p_adjust = adjust;
- if (taskq_dispatch(arc_prune_taskq, arc_prune_task,
- ap, TQ_SLEEP) == TASKQID_INVALID) {
-@@ -6536,7 +6536,7 @@ arc_add_prune_callback(arc_prune_func_t *func, void *private)
- refcount_create(&p->p_refcnt);
-
- mutex_enter(&arc_prune_mtx);
-- refcount_add(&p->p_refcnt, &arc_prune_list);
-+ zfs_refcount_add(&p->p_refcnt, &arc_prune_list);
- list_insert_head(&arc_prune_list, p);
- mutex_exit(&arc_prune_mtx);
-
-@@ -6808,7 +6808,7 @@ arc_release(arc_buf_t *buf, void *tag)
- nhdr->b_l1hdr.b_mfu_hits = 0;
- nhdr->b_l1hdr.b_mfu_ghost_hits = 0;
- nhdr->b_l1hdr.b_l2_hits = 0;
-- (void) refcount_add(&nhdr->b_l1hdr.b_refcnt, tag);
-+ (void) zfs_refcount_add(&nhdr->b_l1hdr.b_refcnt, tag);
- buf->b_hdr = nhdr;
-
- mutex_exit(&buf->b_evict_lock);
-diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c
-index f7376875afe..db7df602344 100644
---- a/module/zfs/dbuf.c
-+++ b/module/zfs/dbuf.c
-@@ -223,7 +223,7 @@ static boolean_t dbuf_evict_thread_exit;
- */
- typedef struct dbuf_cache {
- multilist_t *cache;
-- refcount_t size;
-+ zfs_refcount_t size;
- } dbuf_cache_t;
- dbuf_cache_t dbuf_caches[DB_CACHE_MAX];
-
-@@ -2784,7 +2784,7 @@ dbuf_create(dnode_t *dn, uint8_t level, uint64_t blkid,
-
- ASSERT(dn->dn_object == DMU_META_DNODE_OBJECT ||
- refcount_count(&dn->dn_holds) > 0);
-- (void) refcount_add(&dn->dn_holds, db);
-+ (void) zfs_refcount_add(&dn->dn_holds, db);
- atomic_inc_32(&dn->dn_dbufs_count);
-
- dprintf_dbuf(db, "db=%p\n", db);
-@@ -3183,7 +3183,7 @@ dbuf_hold_impl_arg(struct dbuf_hold_arg *dh)
- }
- dh->dh_db->db_caching_status = DB_NO_CACHE;
- }
-- (void) refcount_add(&dh->dh_db->db_holds, dh->dh_tag);
-+ (void) zfs_refcount_add(&dh->dh_db->db_holds, dh->dh_tag);
- DBUF_VERIFY(dh->dh_db);
- mutex_exit(&dh->dh_db->db_mtx);
-
-@@ -3308,7 +3308,7 @@ dbuf_rm_spill(dnode_t *dn, dmu_tx_t *tx)
- void
- dbuf_add_ref(dmu_buf_impl_t *db, void *tag)
- {
-- int64_t holds = refcount_add(&db->db_holds, tag);
-+ int64_t holds = zfs_refcount_add(&db->db_holds, tag);
- VERIFY3S(holds, >, 1);
- }
-
-@@ -3328,7 +3328,7 @@ dbuf_try_add_ref(dmu_buf_t *db_fake, objset_t *os, uint64_t obj, uint64_t blkid,
-
- if (found_db != NULL) {
- if (db == found_db && dbuf_refcount(db) > db->db_dirtycnt) {
-- (void) refcount_add(&db->db_holds, tag);
-+ (void) zfs_refcount_add(&db->db_holds, tag);
- result = B_TRUE;
- }
- mutex_exit(&found_db->db_mtx);
-diff --git a/module/zfs/dmu.c b/module/zfs/dmu.c
-index 8779eb3586c..2ff484b6347 100644
---- a/module/zfs/dmu.c
-+++ b/module/zfs/dmu.c
-@@ -360,7 +360,7 @@ dmu_bonus_hold_impl(objset_t *os, uint64_t object, void *tag, uint32_t flags,
- db = dn->dn_bonus;
-
- /* as long as the bonus buf is held, the dnode will be held */
-- if (refcount_add(&db->db_holds, tag) == 1) {
-+ if (zfs_refcount_add(&db->db_holds, tag) == 1) {
- VERIFY(dnode_add_ref(dn, db));
- atomic_inc_32(&dn->dn_dbufs_count);
- }
-diff --git a/module/zfs/dmu_tx.c b/module/zfs/dmu_tx.c
-index c268f3c4046..3dc3f595884 100644
---- a/module/zfs/dmu_tx.c
-+++ b/module/zfs/dmu_tx.c
-@@ -114,7 +114,7 @@ dmu_tx_hold_dnode_impl(dmu_tx_t *tx, dnode_t *dn, enum dmu_tx_hold_type type,
- dmu_tx_hold_t *txh;
-
- if (dn != NULL) {
-- (void) refcount_add(&dn->dn_holds, tx);
-+ (void) zfs_refcount_add(&dn->dn_holds, tx);
- if (tx->tx_txg != 0) {
- mutex_enter(&dn->dn_mtx);
- /*
-@@ -124,7 +124,7 @@ dmu_tx_hold_dnode_impl(dmu_tx_t *tx, dnode_t *dn, enum dmu_tx_hold_type type,
- */
- ASSERT(dn->dn_assigned_txg == 0);
- dn->dn_assigned_txg = tx->tx_txg;
-- (void) refcount_add(&dn->dn_tx_holds, tx);
-+ (void) zfs_refcount_add(&dn->dn_tx_holds, tx);
- mutex_exit(&dn->dn_mtx);
- }
- }
-@@ -932,7 +932,7 @@ dmu_tx_try_assign(dmu_tx_t *tx, uint64_t txg_how)
- if (dn->dn_assigned_txg == 0)
- dn->dn_assigned_txg = tx->tx_txg;
- ASSERT3U(dn->dn_assigned_txg, ==, tx->tx_txg);
-- (void) refcount_add(&dn->dn_tx_holds, tx);
-+ (void) zfs_refcount_add(&dn->dn_tx_holds, tx);
- mutex_exit(&dn->dn_mtx);
- }
- towrite += refcount_count(&txh->txh_space_towrite);
-diff --git a/module/zfs/dnode.c b/module/zfs/dnode.c
-index 4e2a733830b..b0b7ea7102b 100644
---- a/module/zfs/dnode.c
-+++ b/module/zfs/dnode.c
-@@ -1304,7 +1304,7 @@ dnode_hold_impl(objset_t *os, uint64_t object, int flag, int slots,
- if ((flag & DNODE_MUST_BE_FREE) && type != DMU_OT_NONE)
- return (SET_ERROR(EEXIST));
- DNODE_VERIFY(dn);
-- (void) refcount_add(&dn->dn_holds, tag);
-+ (void) zfs_refcount_add(&dn->dn_holds, tag);
- *dnp = dn;
- return (0);
- }
-@@ -1527,7 +1527,7 @@ dnode_hold_impl(objset_t *os, uint64_t object, int flag, int slots,
- ENOENT : EEXIST));
- }
-
-- if (refcount_add(&dn->dn_holds, tag) == 1)
-+ if (zfs_refcount_add(&dn->dn_holds, tag) == 1)
- dbuf_add_ref(db, dnh);
-
- mutex_exit(&dn->dn_mtx);
-@@ -1567,7 +1567,7 @@ dnode_add_ref(dnode_t *dn, void *tag)
- mutex_exit(&dn->dn_mtx);
- return (FALSE);
- }
-- VERIFY(1 < refcount_add(&dn->dn_holds, tag));
-+ VERIFY(1 < zfs_refcount_add(&dn->dn_holds, tag));
- mutex_exit(&dn->dn_mtx);
- return (TRUE);
- }
-diff --git a/module/zfs/dsl_crypt.c b/module/zfs/dsl_crypt.c
-index f0878c93477..6beb958c1f5 100644
---- a/module/zfs/dsl_crypt.c
-+++ b/module/zfs/dsl_crypt.c
-@@ -74,7 +74,7 @@
- static void
- dsl_wrapping_key_hold(dsl_wrapping_key_t *wkey, void *tag)
- {
-- (void) refcount_add(&wkey->wk_refcnt, tag);
-+ (void) zfs_refcount_add(&wkey->wk_refcnt, tag);
- }
-
- static void
-@@ -605,7 +605,7 @@ dsl_crypto_key_open(objset_t *mos, dsl_wrapping_key_t *wkey,
- dsl_wrapping_key_hold(wkey, dck);
- dck->dck_wkey = wkey;
- dck->dck_obj = dckobj;
-- refcount_add(&dck->dck_holds, tag);
-+ zfs_refcount_add(&dck->dck_holds, tag);
-
- *dck_out = dck;
- return (0);
-@@ -641,7 +641,7 @@ spa_keystore_dsl_key_hold_impl(spa_t *spa, uint64_t dckobj, void *tag,
- }
-
- /* increment the refcount */
-- refcount_add(&found_dck->dck_holds, tag);
-+ zfs_refcount_add(&found_dck->dck_holds, tag);
-
- *dck_out = found_dck;
- return (0);
-@@ -970,9 +970,9 @@ spa_keystore_create_mapping_impl(spa_t *spa, uint64_t dsobj,
- found_km = avl_find(&spa->spa_keystore.sk_key_mappings, km, &where);
- if (found_km != NULL) {
- should_free = B_TRUE;
-- refcount_add(&found_km->km_refcnt, tag);
-+ zfs_refcount_add(&found_km->km_refcnt, tag);
- } else {
-- refcount_add(&km->km_refcnt, tag);
-+ zfs_refcount_add(&km->km_refcnt, tag);
- avl_insert(&spa->spa_keystore.sk_key_mappings, km, where);
- }
-
-@@ -1072,7 +1072,7 @@ spa_keystore_lookup_key(spa_t *spa, uint64_t dsobj, void *tag,
- }
-
- if (found_km && tag)
-- refcount_add(&found_km->km_key->dck_holds, tag);
-+ zfs_refcount_add(&found_km->km_key->dck_holds, tag);
-
- rw_exit(&spa->spa_keystore.sk_km_lock);
-
-diff --git a/module/zfs/dsl_dataset.c b/module/zfs/dsl_dataset.c
-index b6e3b9a5c7f..7546a0765c2 100644
---- a/module/zfs/dsl_dataset.c
-+++ b/module/zfs/dsl_dataset.c
-@@ -727,7 +727,7 @@ void
- dsl_dataset_long_hold(dsl_dataset_t *ds, void *tag)
- {
- ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool));
-- (void) refcount_add(&ds->ds_longholds, tag);
-+ (void) zfs_refcount_add(&ds->ds_longholds, tag);
- }
-
- void
-diff --git a/module/zfs/dsl_scan.c b/module/zfs/dsl_scan.c
-index f3c869538ce..ee12185cdde 100644
---- a/module/zfs/dsl_scan.c
-+++ b/module/zfs/dsl_scan.c
-@@ -273,7 +273,7 @@ struct dsl_scan_io_queue {
-
- /* private data for dsl_scan_prefetch_cb() */
- typedef struct scan_prefetch_ctx {
-- refcount_t spc_refcnt; /* refcount for memory management */
-+ zfs_refcount_t spc_refcnt; /* refcount for memory management */
- dsl_scan_t *spc_scn; /* dsl_scan_t for the pool */
- boolean_t spc_root; /* is this prefetch for an objset? */
- uint8_t spc_indblkshift; /* dn_indblkshift of current dnode */
-@@ -1327,7 +1327,7 @@ scan_prefetch_ctx_create(dsl_scan_t *scn, dnode_phys_t *dnp, void *tag)
-
- spc = kmem_alloc(sizeof (scan_prefetch_ctx_t), KM_SLEEP);
- refcount_create(&spc->spc_refcnt);
-- refcount_add(&spc->spc_refcnt, tag);
-+ zfs_refcount_add(&spc->spc_refcnt, tag);
- spc->spc_scn = scn;
- if (dnp != NULL) {
- spc->spc_datablkszsec = dnp->dn_datablkszsec;
-@@ -1345,7 +1345,7 @@ scan_prefetch_ctx_create(dsl_scan_t *scn, dnode_phys_t *dnp, void *tag)
- static void
- scan_prefetch_ctx_add_ref(scan_prefetch_ctx_t *spc, void *tag)
- {
-- refcount_add(&spc->spc_refcnt, tag);
-+ zfs_refcount_add(&spc->spc_refcnt, tag);
- }
-
- static boolean_t
-diff --git a/module/zfs/metaslab.c b/module/zfs/metaslab.c
-index ac361abb67e..f657128d040 100644
---- a/module/zfs/metaslab.c
-+++ b/module/zfs/metaslab.c
-@@ -247,7 +247,7 @@ metaslab_class_create(spa_t *spa, metaslab_ops_t *ops)
- mc->mc_ops = ops;
- mutex_init(&mc->mc_lock, NULL, MUTEX_DEFAULT, NULL);
- mc->mc_alloc_slots = kmem_zalloc(spa->spa_alloc_count *
-- sizeof (refcount_t), KM_SLEEP);
-+ sizeof (zfs_refcount_t), KM_SLEEP);
- mc->mc_alloc_max_slots = kmem_zalloc(spa->spa_alloc_count *
- sizeof (uint64_t), KM_SLEEP);
- for (int i = 0; i < spa->spa_alloc_count; i++)
-@@ -268,7 +268,7 @@ metaslab_class_destroy(metaslab_class_t *mc)
- for (int i = 0; i < mc->mc_spa->spa_alloc_count; i++)
- refcount_destroy(&mc->mc_alloc_slots[i]);
- kmem_free(mc->mc_alloc_slots, mc->mc_spa->spa_alloc_count *
-- sizeof (refcount_t));
-+ sizeof (zfs_refcount_t));
- kmem_free(mc->mc_alloc_max_slots, mc->mc_spa->spa_alloc_count *
- sizeof (uint64_t));
- mutex_destroy(&mc->mc_lock);
-@@ -648,8 +648,8 @@ metaslab_group_create(metaslab_class_t *mc, vdev_t *vd, int allocators)
- mg->mg_no_free_space = B_TRUE;
- mg->mg_allocators = allocators;
-
-- mg->mg_alloc_queue_depth = kmem_zalloc(allocators * sizeof (refcount_t),
-- KM_SLEEP);
-+ mg->mg_alloc_queue_depth = kmem_zalloc(allocators *
-+ sizeof (zfs_refcount_t), KM_SLEEP);
- mg->mg_cur_max_alloc_queue_depth = kmem_zalloc(allocators *
- sizeof (uint64_t), KM_SLEEP);
- for (int i = 0; i < allocators; i++) {
-@@ -687,7 +687,7 @@ metaslab_group_destroy(metaslab_group_t *mg)
- mg->mg_cur_max_alloc_queue_depth[i] = 0;
- }
- kmem_free(mg->mg_alloc_queue_depth, mg->mg_allocators *
-- sizeof (refcount_t));
-+ sizeof (zfs_refcount_t));
- kmem_free(mg->mg_cur_max_alloc_queue_depth, mg->mg_allocators *
- sizeof (uint64_t));
-
-@@ -2905,7 +2905,7 @@ metaslab_group_alloc_increment(spa_t *spa, uint64_t vdev, void *tag, int flags,
- if (!mg->mg_class->mc_alloc_throttle_enabled)
- return;
-
-- (void) refcount_add(&mg->mg_alloc_queue_depth[allocator], tag);
-+ (void) zfs_refcount_add(&mg->mg_alloc_queue_depth[allocator], tag);
- }
-
- static void
-@@ -3852,7 +3852,7 @@ metaslab_class_throttle_reserve(metaslab_class_t *mc, int slots, int allocator,
- */
- for (int d = 0; d < slots; d++) {
- reserved_slots =
-- refcount_add(&mc->mc_alloc_slots[allocator],
-+ zfs_refcount_add(&mc->mc_alloc_slots[allocator],
- zio);
- }
- zio->io_flags |= ZIO_FLAG_IO_ALLOCATING;
-diff --git a/module/zfs/refcount.c b/module/zfs/refcount.c
-index a151aceaecf..13f9bb6b76e 100644
---- a/module/zfs/refcount.c
-+++ b/module/zfs/refcount.c
-@@ -55,7 +55,7 @@ refcount_fini(void)
- }
-
- void
--refcount_create(refcount_t *rc)
-+refcount_create(zfs_refcount_t *rc)
- {
- mutex_init(&rc->rc_mtx, NULL, MUTEX_DEFAULT, NULL);
- list_create(&rc->rc_list, sizeof (reference_t),
-@@ -68,21 +68,21 @@ refcount_create(refcount_t *rc)
- }
-
- void
--refcount_create_tracked(refcount_t *rc)
-+refcount_create_tracked(zfs_refcount_t *rc)
- {
- refcount_create(rc);
- rc->rc_tracked = B_TRUE;
- }
-
- void
--refcount_create_untracked(refcount_t *rc)
-+refcount_create_untracked(zfs_refcount_t *rc)
- {
- refcount_create(rc);
- rc->rc_tracked = B_FALSE;
- }
-
- void
--refcount_destroy_many(refcount_t *rc, uint64_t number)
-+refcount_destroy_many(zfs_refcount_t *rc, uint64_t number)
- {
- reference_t *ref;
-
-@@ -103,25 +103,25 @@ refcount_destroy_many(refcount_t *rc, uint64_t number)
- }
-
- void
--refcount_destroy(refcount_t *rc)
-+refcount_destroy(zfs_refcount_t *rc)
- {
- refcount_destroy_many(rc, 0);
- }
-
- int
--refcount_is_zero(refcount_t *rc)
-+refcount_is_zero(zfs_refcount_t *rc)
- {
- return (rc->rc_count == 0);
- }
-
- int64_t
--refcount_count(refcount_t *rc)
-+refcount_count(zfs_refcount_t *rc)
- {
- return (rc->rc_count);
- }
-
- int64_t
--refcount_add_many(refcount_t *rc, uint64_t number, void *holder)
-+refcount_add_many(zfs_refcount_t *rc, uint64_t number, void *holder)
- {
- reference_t *ref = NULL;
- int64_t count;
-@@ -143,13 +143,13 @@ refcount_add_many(refcount_t *rc, uint64_t number, void *holder)
- }
-
- int64_t
--zfs_refcount_add(refcount_t *rc, void *holder)
-+zfs_refcount_add(zfs_refcount_t *rc, void *holder)
- {
- return (refcount_add_many(rc, 1, holder));
- }
-
- int64_t
--refcount_remove_many(refcount_t *rc, uint64_t number, void *holder)
-+refcount_remove_many(zfs_refcount_t *rc, uint64_t number, void *holder)
- {
- reference_t *ref;
- int64_t count;
-@@ -197,13 +197,13 @@ refcount_remove_many(refcount_t *rc, uint64_t number, void *holder)
- }
-
- int64_t
--refcount_remove(refcount_t *rc, void *holder)
-+refcount_remove(zfs_refcount_t *rc, void *holder)
- {
- return (refcount_remove_many(rc, 1, holder));
- }
-
- void
--refcount_transfer(refcount_t *dst, refcount_t *src)
-+refcount_transfer(zfs_refcount_t *dst, zfs_refcount_t *src)
- {
- int64_t count, removed_count;
- list_t list, removed;
-@@ -234,7 +234,7 @@ refcount_transfer(refcount_t *dst, refcount_t *src)
- }
-
- void
--refcount_transfer_ownership(refcount_t *rc, void *current_holder,
-+refcount_transfer_ownership(zfs_refcount_t *rc, void *current_holder,
- void *new_holder)
- {
- reference_t *ref;
-@@ -264,7 +264,7 @@ refcount_transfer_ownership(refcount_t *rc, void *current_holder,
- * might be held.
- */
- boolean_t
--refcount_held(refcount_t *rc, void *holder)
-+refcount_held(zfs_refcount_t *rc, void *holder)
- {
- reference_t *ref;
-
-@@ -292,7 +292,7 @@ refcount_held(refcount_t *rc, void *holder)
- * since the reference might not be held.
- */
- boolean_t
--refcount_not_held(refcount_t *rc, void *holder)
-+refcount_not_held(zfs_refcount_t *rc, void *holder)
- {
- reference_t *ref;
-
-diff --git a/module/zfs/rrwlock.c b/module/zfs/rrwlock.c
-index 704f76067bf..effff330522 100644
---- a/module/zfs/rrwlock.c
-+++ b/module/zfs/rrwlock.c
-@@ -183,9 +183,9 @@ rrw_enter_read_impl(rrwlock_t *rrl, boolean_t prio, void *tag)
- if (rrl->rr_writer_wanted || rrl->rr_track_all) {
- /* may or may not be a re-entrant enter */
- rrn_add(rrl, tag);
-- (void) refcount_add(&rrl->rr_linked_rcount, tag);
-+ (void) zfs_refcount_add(&rrl->rr_linked_rcount, tag);
- } else {
-- (void) refcount_add(&rrl->rr_anon_rcount, tag);
-+ (void) zfs_refcount_add(&rrl->rr_anon_rcount, tag);
- }
- ASSERT(rrl->rr_writer == NULL);
- mutex_exit(&rrl->rr_lock);
-diff --git a/module/zfs/sa.c b/module/zfs/sa.c
-index caa91bc4c4e..0856a4b8ff7 100644
---- a/module/zfs/sa.c
-+++ b/module/zfs/sa.c
-@@ -1347,7 +1347,7 @@ sa_idx_tab_hold(objset_t *os, sa_idx_tab_t *idx_tab)
- ASSERTV(sa_os_t *sa = os->os_sa);
-
- ASSERT(MUTEX_HELD(&sa->sa_lock));
-- (void) refcount_add(&idx_tab->sa_refcount, NULL);
-+ (void) zfs_refcount_add(&idx_tab->sa_refcount, NULL);
- }
-
- void
-diff --git a/module/zfs/spa_misc.c b/module/zfs/spa_misc.c
-index 343b01dd6aa..c19f48ac526 100644
---- a/module/zfs/spa_misc.c
-+++ b/module/zfs/spa_misc.c
-@@ -81,7 +81,7 @@
- * definition they must have an existing reference, and will never need
- * to lookup a spa_t by name.
- *
-- * spa_refcount (per-spa refcount_t protected by mutex)
-+ * spa_refcount (per-spa zfs_refcount_t protected by mutex)
- *
- * This reference count keep track of any active users of the spa_t. The
- * spa_t cannot be destroyed or freed while this is non-zero. Internally,
-@@ -478,7 +478,7 @@ spa_config_tryenter(spa_t *spa, int locks, void *tag, krw_t rw)
- }
- scl->scl_writer = curthread;
- }
-- (void) refcount_add(&scl->scl_count, tag);
-+ (void) zfs_refcount_add(&scl->scl_count, tag);
- mutex_exit(&scl->scl_lock);
- }
- return (1);
-@@ -511,7 +511,7 @@ spa_config_enter(spa_t *spa, int locks, void *tag, krw_t rw)
- }
- scl->scl_writer = curthread;
- }
-- (void) refcount_add(&scl->scl_count, tag);
-+ (void) zfs_refcount_add(&scl->scl_count, tag);
- mutex_exit(&scl->scl_lock);
- }
- ASSERT3U(wlocks_held, <=, locks);
-@@ -841,7 +841,7 @@ spa_open_ref(spa_t *spa, void *tag)
- {
- ASSERT(refcount_count(&spa->spa_refcount) >= spa->spa_minref ||
- MUTEX_HELD(&spa_namespace_lock));
-- (void) refcount_add(&spa->spa_refcount, tag);
-+ (void) zfs_refcount_add(&spa->spa_refcount, tag);
- }
-
- /*
-diff --git a/module/zfs/zfs_ctldir.c b/module/zfs/zfs_ctldir.c
-index f5cfdb55d79..6a7b7bbb5e7 100644
---- a/module/zfs/zfs_ctldir.c
-+++ b/module/zfs/zfs_ctldir.c
-@@ -117,7 +117,7 @@ typedef struct {
- taskqid_t se_taskqid; /* scheduled unmount taskqid */
- avl_node_t se_node_name; /* zfs_snapshots_by_name link */
- avl_node_t se_node_objsetid; /* zfs_snapshots_by_objsetid link */
-- refcount_t se_refcount; /* reference count */
-+ zfs_refcount_t se_refcount; /* reference count */
- } zfs_snapentry_t;
-
- static void zfsctl_snapshot_unmount_delay_impl(zfs_snapentry_t *se, int delay);
-@@ -166,7 +166,7 @@ zfsctl_snapshot_free(zfs_snapentry_t *se)
- static void
- zfsctl_snapshot_hold(zfs_snapentry_t *se)
- {
-- refcount_add(&se->se_refcount, NULL);
-+ zfs_refcount_add(&se->se_refcount, NULL);
- }
-
- /*
-@@ -189,7 +189,7 @@ static void
- zfsctl_snapshot_add(zfs_snapentry_t *se)
- {
- ASSERT(RW_WRITE_HELD(&zfs_snapshot_lock));
-- refcount_add(&se->se_refcount, NULL);
-+ zfs_refcount_add(&se->se_refcount, NULL);
- avl_add(&zfs_snapshots_by_name, se);
- avl_add(&zfs_snapshots_by_objsetid, se);
- }
-@@ -266,7 +266,7 @@ zfsctl_snapshot_find_by_name(char *snapname)
- search.se_name = snapname;
- se = avl_find(&zfs_snapshots_by_name, &search, NULL);
- if (se)
-- refcount_add(&se->se_refcount, NULL);
-+ zfs_refcount_add(&se->se_refcount, NULL);
-
- return (se);
- }
-@@ -287,7 +287,7 @@ zfsctl_snapshot_find_by_objsetid(spa_t *spa, uint64_t objsetid)
- search.se_objsetid = objsetid;
- se = avl_find(&zfs_snapshots_by_objsetid, &search, NULL);
- if (se)
-- refcount_add(&se->se_refcount, NULL);
-+ zfs_refcount_add(&se->se_refcount, NULL);
-
- return (se);
- }
-diff --git a/module/zfs/zfs_znode.c b/module/zfs/zfs_znode.c
-index f037d4c967c..a4991476289 100644
---- a/module/zfs/zfs_znode.c
-+++ b/module/zfs/zfs_znode.c
-@@ -264,7 +264,7 @@ zfs_znode_hold_enter(zfsvfs_t *zfsvfs, uint64_t obj)
- ASSERT3U(zh->zh_obj, ==, obj);
- found = B_TRUE;
- }
-- refcount_add(&zh->zh_refcount, NULL);
-+ zfs_refcount_add(&zh->zh_refcount, NULL);
- mutex_exit(&zfsvfs->z_hold_locks[i]);
-
- if (found == B_TRUE)
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