From: Gu Zheng <guz.fnst@cn.fujitsu.com>
Date: Thu, 23 May 2013 08:14:19 +0000 (+0800)
Subject: fs/jfs: Add check if journaling to disk has been disabled in lbmRead()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=95bbb82f60c80808e5a49d8233c2de8451901531;p=linux-beck.git

fs/jfs: Add check if journaling to disk has been disabled in lbmRead()

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
---

diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index c57499dca89c..360d27c48887 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -2009,7 +2009,13 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp)
 
 	bio->bi_end_io = lbmIODone;
 	bio->bi_private = bp;
-	submit_bio(READ_SYNC, bio);
+	/*check if journaling to disk has been disabled*/
+	if (log->no_integrity) {
+		bio->bi_size = 0;
+		lbmIODone(bio, 0);
+	} else {
+		submit_bio(READ_SYNC, bio);
+	}
 
 	wait_event(bp->l_ioevent, (bp->l_flag != lbmREAD));