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| author | Kurt Hackel <kurt.hackel@oracle.com> | 2006-06-26 15:17:47 -0700 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2006-08-07 10:54:10 -0700 |
| commit | 4b1af774451bbc8440719e3fe441934a337c3b63 (patch) | |
| tree | 98a3e0570887625bab6ccc439d13a2b40a45038b /fs | |
| parent | 9f737633e6ee54fc174282d49b2559bd2208391d (diff) | |
| download | linux-3.10-4b1af774451bbc8440719e3fe441934a337c3b63.tar.gz linux-3.10-4b1af774451bbc8440719e3fe441934a337c3b63.tar.bz2 linux-3.10-4b1af774451bbc8440719e3fe441934a337c3b63.zip | |
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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ocfs2/dlm/dlmunlock.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c index b0c3134f4f7..4ce3f82fb73 100644 --- a/fs/ocfs2/dlm/dlmunlock.c +++ b/fs/ocfs2/dlm/dlmunlock.c @@ -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) { |