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FreeBSD: Remove some code duplication in sysctl_os.c

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Drop unnecessary redefinition's of several arcstat values.
Put missing extern declaration of arc_no_grow_shift in arc_impl.h.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10609
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Ryan Moeller 2020-07-23 20:35:34 -04:00 committed by GitHub
parent b197457cd6
commit f7a68f99d0
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2 changed files with 1 additions and 19 deletions
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1
include/sys/arc_impl.h
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@ -877,6 +877,7 @@ extern arc_stats_t arc_stats;
extern hrtime_t arc_growtime;
extern boolean_t arc_warm;
extern int arc_grow_retry;
extern int arc_no_grow_shift;
extern int arc_shrink_shift;
extern zthr_t *arc_evict_zthr;
extern kmutex_t arc_evict_lock;

19
module/os/freebsd/zfs/sysctl_os.c
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@ -224,25 +224,6 @@ SYSCTL_UQUAD(_vfs_zfs, OID_AUTO, mfu_ghost_data_esize, CTLFLAG_RD,
SYSCTL_UQUAD(_vfs_zfs, OID_AUTO, l2c_only_size, CTLFLAG_RD,
&ARC_l2c_only.arcs_size.rc_count, 0, "size of mru state");
extern int arc_no_grow_shift;
extern int arc_shrink_shift;
extern arc_stats_t arc_stats;
#define ARCSTAT(stat) (arc_stats.stat.value.ui64)
#define arc_p ARCSTAT(arcstat_p) /* target size of MRU */
#define arc_c ARCSTAT(arcstat_c) /* target size of cache */
#define arc_c_min ARCSTAT(arcstat_c_min) /* min target cache size */
#define arc_c_max ARCSTAT(arcstat_c_max) /* max target cache size */
#define arc_no_grow ARCSTAT(arcstat_no_grow) /* do not grow cache size */
#define arc_tempreserve ARCSTAT(arcstat_tempreserve)
#define arc_loaned_bytes ARCSTAT(arcstat_loaned_bytes)
#define arc_meta_limit ARCSTAT(arcstat_meta_limit) /* max size for metadata */
#define arc_dnode_limit ARCSTAT(arcstat_dnode_limit) /* max size for dnodes */
#define arc_meta_min ARCSTAT(arcstat_meta_min) /* min size for metadata */
#define arc_meta_max ARCSTAT(arcstat_meta_max) /* max size of metadata */
#define arc_need_free ARCSTAT(arcstat_need_free) /* bytes to be freed */
#define arc_sys_free ARCSTAT(arcstat_sys_free) /* target system free bytes */
static int
sysctl_vfs_zfs_arc_no_grow_shift(SYSCTL_HANDLER_ARGS)
{