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ocfs2: report error from o2hb_do_disk_heartbeat() to user

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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>
This commit is contained in:
Jan Kara 2014-12-10 15:41:45 -08:00 committed by Linus Torvalds
parent 4a635a113b
commit f5425fcea7
1 changed files with 2 additions and 2 deletions
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4
fs/ocfs2/cluster/heartbeat.c
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@ -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) {