From: Wengang Wang <wen.gang.wang@oracle.com>
Date: Thu, 21 Jan 2010 18:50:02 +0000 (-0800)
Subject: ocfs2: Fix setting of OCFS2_LOCK_BLOCKED during bast
X-Git-Tag: v2.6.33-rc8~38^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0b94a909eb2e2f6990d05fd486a0cb4902ef1ae7;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

ocfs2: Fix setting of OCFS2_LOCK_BLOCKED during bast

During bast, set the OCFS2_LOCK_BLOCKED flag only if the lock needs to
downconverted.

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Acked-by: Sunil Mushran <sunil.mushran@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
---

diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 172f4c6..0cdf630 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -907,8 +907,6 @@ static int ocfs2_generic_handle_bast(struct ocfs2_lock_res *lockres,
 
 	assert_spin_locked(&lockres->l_lock);
 
-	lockres_or_flags(lockres, OCFS2_LOCK_BLOCKED);
-
 	if (level > lockres->l_blocking) {
 		/* only schedule a downconvert if we haven't already scheduled
 		 * one that goes low enough to satisfy the level we're
@@ -921,6 +919,9 @@ static int ocfs2_generic_handle_bast(struct ocfs2_lock_res *lockres,
 		lockres->l_blocking = level;
 	}
 
+	if (needs_downconvert)
+		lockres_or_flags(lockres, OCFS2_LOCK_BLOCKED);
+
 	mlog_exit(needs_downconvert);
 	return needs_downconvert;
 }