The patch titled
Subject: fs/ocfs2/dlmfs: remove deprecated create_singlethread_workqueue()
has been added to the -mm tree. Its filename is
fs-ocfs2-dlmfs-remove-deprecated-create_singlethread_workqueue.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-ocfs2-dlmfs-remove-deprecated-create_singlethread_workqueue.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-ocfs2-dlmfs-remove-deprecated-create_singlethread_workqueue.patch
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------------------------------------------------------
From: Bhaktipriya Shridhar <bhaktipriya96@xxxxxxxxx>
Subject: fs/ocfs2/dlmfs: remove deprecated create_singlethread_workqueue()
The workqueue "user_dlm_worker" queues a single work item &lockres->l_work
per user_lock_res instance and hence 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/9748136d3a3b18138ad1d6ba708367aa1fe9f98c.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/dlmfs/dlmfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/ocfs2/dlmfs/dlmfs.c~fs-ocfs2-dlmfs-remove-deprecated-create_singlethread_workqueue fs/ocfs2/dlmfs/dlmfs.c
--- a/fs/ocfs2/dlmfs/dlmfs.c~fs-ocfs2-dlmfs-remove-deprecated-create_singlethread_workqueue
+++ a/fs/ocfs2/dlmfs/dlmfs.c
@@ -646,7 +646,7 @@ static int __init init_dlmfs_fs(void)
}
cleanup_inode = 1;
- user_dlm_worker = create_singlethread_workqueue("user_dlm");
+ user_dlm_worker = alloc_workqueue("user_dlm", WQ_MEM_RECLAIM, 0);
if (!user_dlm_worker) {
status = -ENOMEM;
goto bail;
_
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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