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| author | Mateusz Guzik <mjg@FreeBSD.org> | 2021-08-23 13:29:42 +0000 |
|---|---|---|
| committer | Mateusz Guzik <mjg@FreeBSD.org> | 2021-08-23 13:31:44 +0000 |
| commit | b65ad70195d874ac28e6e65d2fd8acf5d9a79236 (patch) | |
| tree | 242d017fe0640fdb42342a50499b091f451b0603 /sys/kern/vfs_cache.c | |
| parent | 7fd856ba07b1cfc35eb9b0faad25c3ba4963bf83 (diff) | |
| download | src-b65ad70195d874ac28e6e65d2fd8acf5d9a79236.tar.gz src-b65ad70195d874ac28e6e65d2fd8acf5d9a79236.zip | |
Diffstat (limited to 'sys/kern/vfs_cache.c')
| -rw-r--r-- | sys/kern/vfs_cache.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c index 199da865e39c..732dbbe53cef 100644 --- a/sys/kern/vfs_cache.c +++ b/sys/kern/vfs_cache.c @@ -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 |