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cache: remove a branch from mount point checking

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Tested by:	pho
This commit is contained in:
Mateusz Guzik 2020-12-28 08:34:29 +01:00 committed by Mateusz Guzik
parent 0b5bd1afd8
commit 4651db56c7
1 changed files with 3 additions and 4 deletions
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7
sys/kern/vfs_cache.c
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@ -4569,8 +4569,7 @@ static bool
cache_fplookup_mp_supported(struct mount *mp)
{
if (mp == NULL)
return (false);
MPASS(mp != NULL);
if ((mp->mnt_kern_flag & MNTK_FPLOOKUP) == 0)
return (false);
return (true);
@ -4947,8 +4946,8 @@ cache_fplookup_impl(struct vnode *dvp, struct cache_fpl *fpl)
cache_fpl_aborted(fpl);
goto out;
}
mp = atomic_load_ptr(&fpl->dvp->v_mount);
if (!cache_fplookup_mp_supported(mp)) {
mp = atomic_load_ptr(&dvp->v_mount);
if (__predict_false(mp == NULL || !cache_fplookup_mp_supported(mp))) {
cache_fpl_aborted(fpl);
goto out;
}