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- Log -----------------------------------------------------------------
commit 1728dd23f74b9d01df5146e9b405c3149b896bc7
Author: David Teigland <teigland@redhat.com>
Date: Mon May 5 13:43:16 2008 -0500

lock_dlm: ignore dlm EBUSY on plock unlock

bz 432707

The previous commit for this bug didn't resolve all the cases of
EBUSY assertions from plock unlocks. As suggested in the previous
commit message, this patch just ignores -EBUSY errors returned for
plock unlocks instead of asserting.

Signed-off-by: David Teigland <teigland@redhat.com>

bz 440665 (for 4.6.z)

-----------------------------------------------------------------------

Summary of changes:
gfs-kernel/src/dlm/lock.c | 12 ++++++++++--
1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/gfs-kernel/src/dlm/lock.c b/gfs-kernel/src/dlm/lock.c
index bd71c2c..2528314 100644
--- a/gfs-kernel/src/dlm/lock.c
+++ b/gfs-kernel/src/dlm/lock.c
@@ -354,8 +354,16 @@ void do_dlm_unlock(dlm_lock_t *lp)

error = dlm_unlock(lp->dlm->gdlm_lsp, lp->lksb.sb_lkid, lkf, NULL, lp);

-
- DLM_ASSERT(!error || (plock && error == -EINPROGRESS),
+ if (plock) {
+ if (error == -EINPROGRESS || error == -EBUSY) {
+ log_all("do_dlm_unlock %x,%"PRIx64" flags %lx error %d",
+ lp->lockname.ln_type, lp->lockname.ln_number,
+ lp->flags, error);
+ return;
+ }
+ }
+
+ DLM_ASSERT(!error,
printk("%s: error=%d num=%x,%"PRIx64" lkf=%x flags=%lx
",
lp->dlm->fsname, error, lp->lockname.ln_type,
lp->lockname.ln_number, lp->lkf, lp->flags);


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