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Unify arc_prune_async() code

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There is no sense to have separate implementations for FreeBSD and
Linux.  Make Linux code shared as more functional and just register
FreeBSD-specific prune callback with arc_add_prune_callback() API.

Aside of code cleanup this should fix excessive pruning on FreeBSD:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274698

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Mark Johnston <markj@FreeBSD.org>
Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
Closes #15456
This commit is contained in:
Alexander Motin
2023-10-30 19:56:04 -04:00
committed by GitHub
parent 514d661ca1
commit 799e09f75a
8 changed files with 87 additions and 117 deletions
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include/sys/arc.h
+1 -1
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@@ -81,7 +81,7 @@ typedef struct arc_prune arc_prune_t;
typedef void arc_read_done_func_t(zio_t *zio, const zbookmark_phys_t *zb,
const blkptr_t *bp, arc_buf_t *buf, void *priv);
typedef void arc_write_done_func_t(zio_t *zio, arc_buf_t *buf, void *priv);
typedef void arc_prune_func_t(int64_t bytes, void *priv);
typedef void arc_prune_func_t(uint64_t bytes, void *priv);
/* Shared module parameters */
extern uint_t zfs_arc_average_blocksize;
include/sys/arc_impl.h
-1
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@@ -1065,7 +1065,6 @@ extern void arc_wait_for_eviction(uint64_t, boolean_t);
extern void arc_lowmem_init(void);
extern void arc_lowmem_fini(void);
extern void arc_prune_async(uint64_t);
extern int arc_memory_throttle(spa_t *spa, uint64_t reserve, uint64_t txg);
extern uint64_t arc_free_memory(void);
extern int64_t arc_available_memory(void);