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cache: retire cache_fast_revlookup sysctl

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Sponsored by:	Rubicon Communications, LLC ("Netgate")
This commit is contained in:
Mateusz Guzik 2021-08-23 15:29:42 +02:00
parent 7fd856ba07
commit b65ad70195
1 changed files with 3 additions and 6 deletions
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9
sys/kern/vfs_cache.c
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@ -253,6 +253,8 @@ SDT_PROBE_DEFINE3(vfs, fplookup, lookup, done, "struct nameidata", "int", "bool"
SDT_PROBE_DECLARE(vfs, namei, lookup, entry);
SDT_PROBE_DECLARE(vfs, namei, lookup, return);
static char __read_frequently cache_fast_lookup_enabled = true;
/*
* This structure describes the elements in the cache of recent
* names looked up by namei.
@ -443,10 +445,6 @@ static u_long __exclusive_cache_line numcache;/* number of cache entries allocat
struct nchstats nchstats; /* cache effectiveness statistics */
static bool __read_frequently cache_fast_revlookup = true;
SYSCTL_BOOL(_vfs, OID_AUTO, cache_fast_revlookup, CTLFLAG_RW,
&cache_fast_revlookup, 0, "");
static bool __read_mostly cache_rename_add = true;
SYSCTL_BOOL(_vfs, OID_AUTO, cache_rename_add, CTLFLAG_RW,
&cache_rename_add, 0, "");
@ -3440,7 +3438,7 @@ vn_fullpath_any_smr(struct vnode *vp, struct vnode *rdir, char *buf,
VFS_SMR_ASSERT_ENTERED();
if (!cache_fast_revlookup) {
if (!atomic_load_char(&cache_fast_lookup_enabled)) {
vfs_smr_exit();
return (-1);
}
@ -3845,7 +3843,6 @@ DB_SHOW_COMMAND(vpath, db_show_vpath)
#endif
static int cache_fast_lookup = 1;
static char __read_frequently cache_fast_lookup_enabled = true;
#define CACHE_FPL_FAILED -2020