Cluster Project branch, RHEL4, updated. gfs-kernel_2_6_9_76-52-g82270e2

[teigland@sourceware.org]

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- Log -----------------------------------------------------------------
commit 82270e2e03d662a31e7372fa1abfcbd65feb30a7
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>

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

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\n",
 			  lp->dlm->fsname, error, lp->lockname.ln_type,
 			  lp->lockname.ln_number, lp->lkf, lp->flags););


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