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cache: drop the vfs.cache_rename_add tunable

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The functionality has been in use since Jan 2021 -- long enough(tm).
This commit is contained in:
Mateusz Guzik 2022-06-27 07:54:20 +00:00
parent d78bef0ebe
commit 7388fb714a
1 changed files with 1 additions and 7 deletions
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8
sys/kern/vfs_cache.c
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@ -445,10 +445,6 @@ static u_long __exclusive_cache_line numcache;/* number of cache entries allocat
struct nchstats nchstats; /* cache effectiveness statistics */
static bool __read_mostly cache_rename_add = true;
SYSCTL_BOOL(_vfs, OID_AUTO, cache_rename_add, CTLFLAG_RW,
&cache_rename_add, 0, "");
static u_int __exclusive_cache_line neg_cycle;
#define ncneghash 3
@ -2964,9 +2960,7 @@ cache_vop_rename(struct vnode *fdvp, struct vnode *fvp, struct vnode *tdvp,
* Recode this to reduce relocking and reuse the existing entry (if any)
* instead of just removing it above and allocating a new one here.
*/
if (cache_rename_add) {
cache_enter(tdvp, fvp, tcnp);
}
cache_enter(tdvp, fvp, tcnp);
}
void