From: Sunil Mushran Date: Tue, 14 Dec 2010 22:14:31 +0000 (-0800) Subject: ocfs2/cluster: Pin the local node when o2hb thread starts X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=cfc069d3fa24d7c6357e3b731e97f94db495bf0c;p=deliverable%2Flinux.git ocfs2/cluster: Pin the local node when o2hb thread starts The patch pins the node item of the local node when the o2hb thread starts and unpins on stop. An earlier patch pinned the node item of the remote node on o2net connect and unpinned on disconnect. Signed-off-by Sunil Mushran Signed-off-by: Joel Becker --- diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 3722e3850a1f..8b50c1ad7a69 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -1083,6 +1083,9 @@ static int o2hb_thread(void *data) set_user_nice(current, -20); + /* Pin node */ + o2nm_depend_this_node(); + while (!kthread_should_stop() && !reg->hr_unclean_stop) { /* We track the time spent inside * o2hb_do_disk_heartbeat so that we avoid more than @@ -1132,6 +1135,9 @@ static int o2hb_thread(void *data) mlog_errno(ret); } + /* Unpin node */ + o2nm_undepend_this_node(); + mlog(ML_HEARTBEAT|ML_KTHREAD, "hb thread exiting\n"); return 0;