The patch titled
Subject: fs/ocfs2/cluster: remove deprecated create_singlethread_workqueue()
has been added to the -mm tree. Its filename is
fs-ocfs2-cluster-remove-deprecated-create_singlethread_workqueue.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-ocfs2-cluster-remove-deprecated-create_singlethread_workqueue.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-ocfs2-cluster-remove-deprecated-create_singlethread_workqueue.patch
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------------------------------------------------------
From: Bhaktipriya Shridhar <bhaktipriya96@xxxxxxxxx>
Subject: fs/ocfs2/cluster: remove deprecated create_singlethread_workqueue()
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.
Link: http://lkml.kernel.org/r/ddc12e5766c79ba26f8a00d98049107f8a1d4866.1472590094.git.bhaktipriya96@xxxxxxxxx
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@xxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Joseph Qi <joseph.qi@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/cluster/tcp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/ocfs2/cluster/tcp.c~fs-ocfs2-cluster-remove-deprecated-create_singlethread_workqueue fs/ocfs2/cluster/tcp.c
--- a/fs/ocfs2/cluster/tcp.c~fs-ocfs2-cluster-remove-deprecated-create_singlethread_workqueue
+++ a/fs/ocfs2/cluster/tcp.c
@@ -2104,7 +2104,7 @@ int o2net_start_listening(struct o2nm_no
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; /* ? */
_
Patches currently in -mm which might be from bhaktipriya96@xxxxxxxxx are
fs-ocfs2-dlmfs-remove-deprecated-create_singlethread_workqueue.patch
fs-ocfs2-cluster-remove-deprecated-create_singlethread_workqueue.patch
fs-ocfs2-super-remove-deprecated-create_singlethread_workqueue.patch
fs-ocfs2-dlm-remove-deprecated-create_singlethread_workqueue.patch
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