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Subject[PATCH 27/35] ocfs2/dlm: Hold off sending lockres drop ref message while lockres is migrating
Date
From: Sunil Mushran <sunil.mushran@oracle.com>

During lockres purge, o2dlm sends a drop reference message to the lockres
master. This patch delays the message if the lockres is being migrated.

Fixes oss bugzilla#1012
http://oss.oracle.com/bugzilla/show_bug.cgi?id=1012

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---
fs/ocfs2/dlm/dlmthread.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 4060bb3..d129520 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -181,7 +181,8 @@ static int dlm_purge_lockres(struct dlm_ctxt *dlm,

spin_lock(&res->spinlock);
/* This ensures that clear refmap is sent after the set */
- __dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_SETREF_INPROG);
+ __dlm_wait_on_lockres_flags(res, (DLM_LOCK_RES_SETREF_INPROG |
+ DLM_LOCK_RES_MIGRATING));
spin_unlock(&res->spinlock);

/* clear our bit from the master's refmap, ignore errors */
--
1.5.6


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