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Remove atomics from zh_refcount

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It is protected by z_hold_locks, so we do not need more serialization,
simple integer math should be fine.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Signed-off-by:  Alexander Motin <mav@FreeBSD.org>
Closes #14196
This commit is contained in:
Alexander Motin
2022-11-28 14:36:53 -05:00
committed by GitHub
parent b0657a59ab
commit 5f45e3f699
2 changed files with 8 additions and 10 deletions
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include/sys/zfs_znode.h
+2 -2
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@@ -242,9 +242,9 @@ zfs_enter_verify_zp(zfsvfs_t *zfsvfs, znode_t *zp, const char *tag)
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 */
zfs_refcount_t zh_refcount; /* active consumer reference count */
kmutex_t zh_lock; /* lock serializing object access */
int zh_refcount; /* active consumer reference count */
} znode_hold_t;
static inline uint64_t