Date: Sat, 5 Mar 2022 19:56:48 GMT From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: f85d71e72e1f - stable/13 - cache: retire cache_fast_revlookup sysctl Message-ID: <202203051956.225JumIR018083@gitrepo.freebsd.org>
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The branch stable/13 has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=f85d71e72e1fe07ffecdab0d3db9a30214d33f52 commit f85d71e72e1fe07ffecdab0d3db9a30214d33f52 Author: Mateusz Guzik <mjg@FreeBSD.org> AuthorDate: 2021-08-23 13:29:42 +0000 Commit: Mateusz Guzik <mjg@FreeBSD.org> CommitDate: 2022-03-05 19:49:57 +0000 cache: retire cache_fast_revlookup sysctl Sponsored by: Rubicon Communications, LLC ("Netgate") (cherry picked from commit b65ad70195d874ac28e6e65d2fd8acf5d9a79236) --- sys/kern/vfs_cache.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c index cf2e2dd72e63..7273126a008c 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, ""); @@ -3444,7 +3442,7 @@ 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); } @@ -3848,7 +3846,6 @@ 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
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