The patch titled
Subject: fs/ocfs2/dlm: remove deprecated create_singlethread_workqueue()
has been added to the -mm tree. Its filename is
fs-ocfs2-dlm-remove-deprecated-create_singlethread_workqueue.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-ocfs2-dlm-remove-deprecated-create_singlethread_workqueue.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-ocfs2-dlm-remove-deprecated-create_singlethread_workqueue.patch
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------------------------------------------------------
From: Bhaktipriya Shridhar <bhaktipriya96@xxxxxxxxx>
Subject: fs/ocfs2/dlm: remove deprecated create_singlethread_workqueue()
The workqueue "dlm_worker" queues a single work item &dlm->dispatched_work
and thus it doesn't require execution ordering. Hence, alloc_workqueue
has been used to replace the deprecated create_singlethread_workqueue
instance.
The WQ_MEM_RECLAIM flag has been set to ensure forward progress under
memory pressure.
Since there are fixed number of work items, explicit concurrency
limit is unnecessary here.
Link: http://lkml.kernel.org/r/2b5ad8d6688effe1a9ddb2bc2082d26fbbe00302.1472590094.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/dlm/dlmdomain.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/ocfs2/dlm/dlmdomain.c~fs-ocfs2-dlm-remove-deprecated-create_singlethread_workqueue fs/ocfs2/dlm/dlmdomain.c
--- a/fs/ocfs2/dlm/dlmdomain.c~fs-ocfs2-dlm-remove-deprecated-create_singlethread_workqueue
+++ a/fs/ocfs2/dlm/dlmdomain.c
@@ -1904,7 +1904,7 @@ static int dlm_join_domain(struct dlm_ct
}
snprintf(wq_name, O2NM_MAX_NAME_LEN, "dlm_wq-%s", dlm->name);
- dlm->dlm_worker = create_singlethread_workqueue(wq_name);
+ dlm->dlm_worker = alloc_workqueue(wq_name, WQ_MEM_RECLAIM, 0);
if (!dlm->dlm_worker) {
status = -ENOMEM;
mlog_errno(status);
_
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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