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authorJan Kara <jack@suse.cz>2014-12-11 02:41:45 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-11 04:41:03 +0300
commitf5425fcea72eec084c50f36db4d25f697227c602 (patch)
tree764b95d26d3f9a0cda8e93d4fb405ad9f1d26a8e /fs/ocfs2/cluster
parent4a635a113bfe1eaa184410d6b6065cd8eee13607 (diff)
downloadlinux-f5425fcea72eec084c50f36db4d25f697227c602.tar.xz
ocfs2: report error from o2hb_do_disk_heartbeat() to user
Report return value of o2hb_do_disk_heartbeat() as a part of ML_HEARTBEAT message so that we know whether a heartbeat actually happened or not. This also makes assigned but otherwise unused 'ret' variable used. Coverity id: 1227053. Signed-off-by: Jan Kara <jack@suse.cz> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2/cluster')
-rw-r--r--fs/ocfs2/cluster/heartbeat.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index eb9d48746ab4..16eff45727ee 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1127,10 +1127,10 @@ static int o2hb_thread(void *data)
elapsed_msec = o2hb_elapsed_msecs(&before_hb, &after_hb);
mlog(ML_HEARTBEAT,
- "start = %lu.%lu, end = %lu.%lu, msec = %u\n",
+ "start = %lu.%lu, end = %lu.%lu, msec = %u, ret = %d\n",
before_hb.tv_sec, (unsigned long) before_hb.tv_usec,
after_hb.tv_sec, (unsigned long) after_hb.tv_usec,
- elapsed_msec);
+ elapsed_msec, ret);
if (!kthread_should_stop() &&
elapsed_msec < reg->hr_timeout_ms) {