[PATCH v2 2/4] fs/ocfs2/cluster: Remove deprecated create_singlethread_workqueue

From: Bhaktipriya Shridhar
Date: Tue Aug 30 2016 - 16:50:28 EST


The workqueue "o2net_wq" queues multiple work items viz
&old_sc->sc_shutdown_work, &sc->sc_rx_work, &sc->sc_connect_work which
require strict execution ordering. Hence, an ordered dedicated workqueue
has been used.

WQ_MEM_RECLAIM has been set to ensure forward progress under memory
pressure.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@xxxxxxxxx>
---
Changes in v2:
-No changes.

fs/ocfs2/cluster/tcp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 4238eb2..47afe9c 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -2108,7 +2108,7 @@ int o2net_start_listening(struct o2nm_node *node)
BUG_ON(o2net_listen_sock != NULL);

mlog(ML_KTHREAD, "starting o2net thread...\n");
- o2net_wq = create_singlethread_workqueue("o2net");
+ o2net_wq = alloc_ordered_workqueue("o2net", WQ_MEM_RECLAIM);
if (o2net_wq == NULL) {
mlog(ML_ERROR, "unable to launch o2net thread\n");
return -ENOMEM; /* ? */
--
2.1.4