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ocfs2: Fix lvb corruption 

Properly ignore LVB flags during a PR downconvert. This avoids an illegal
lvb update.

Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Kurt Hackel 2006-06-26 15:17:47 -07:00 committed by Mark Fasheh
parent 9f737633e6
commit 4b1af77445
1 changed files with 6 additions and 0 deletions
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6
fs/ocfs2/dlm/dlmunlock.c
View File

@ -483,6 +483,10 @@ int dlm_unlock_lock_handler(struct o2net_msg *msg, u32 len, void *data)
/* lock was found on queue */
lksb = lock->lksb;
if (flags & (LKM_VALBLK|LKM_PUT_LVB) &&
lock->ml.type != LKM_EXMODE)
flags &= ~(LKM_VALBLK|LKM_PUT_LVB);
/* unlockast only called on originating node */
if (flags & LKM_PUT_LVB) {
lksb->flags |= DLM_LKSB_PUT_LVB;
@ -632,6 +636,8 @@ retry:
spin_lock(&res->spinlock);
is_master = (res->owner == dlm->node_num);
if (flags & LKM_VALBLK && lock->ml.type != LKM_EXMODE)
flags &= ~LKM_VALBLK;
spin_unlock(&res->spinlock);
if (is_master) {