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Don't try to unlock the directory vnode in null_lookup() if the lock is

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shared with the underlying file system and the lookup in the underlying
file system did the unlock for us.
This commit is contained in:
truckman 2004-01-11 23:44:32 +00:00
parent d6c0154728
commit 5be717c021
1 changed files with 1 additions and 1 deletions
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2
sys/fs/nullfs/null_vnops.c
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@ -392,7 +392,7 @@ null_lookup(ap)
* Rely only on the PDIRUNLOCK flag which should be carefully * Rely only on the PDIRUNLOCK flag which should be carefully
* tracked by underlying filesystem. * tracked by underlying filesystem.
*/ */
if (cnp->cn_flags & PDIRUNLOCK) if ((cnp->cn_flags & PDIRUNLOCK) && dvp->v_vnlock != ldvp->v_vnlock)
VOP_UNLOCK(dvp, LK_THISLAYER, td); VOP_UNLOCK(dvp, LK_THISLAYER, td);
if ((error == 0 || error == EJUSTRETURN) && lvp != NULL) { if ((error == 0 || error == EJUSTRETURN) && lvp != NULL) {
if (ldvp == lvp) { if (ldvp == lvp) {