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Subject[PATCH v2 3/4] fs/afs/callback: Remove deprecated create_singlethread_workqueue
The workqueue "afs_callback_update_worker" queues multiple work items
viz &vnode->cb_broken_work, &server->cb_break_work which require strict
execution ordering. Hence, an ordered dedicated workqueue has been used.

Since the workqueue is being used on a memory reclaim path, WQ_MEM_RECLAIM
has been set to ensure forward progress under memory pressure.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
---
Changes in v2:
-No change

fs/afs/callback.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/afs/callback.c b/fs/afs/callback.c
index 7ef637d..1e9d2f8 100644
--- a/fs/afs/callback.c
+++ b/fs/afs/callback.c
@@ -461,8 +461,8 @@ static void afs_callback_updater(struct work_struct *work)
*/
int __init afs_callback_update_init(void)
{
- afs_callback_update_worker =
- create_singlethread_workqueue("kafs_callbackd");
+ afs_callback_update_worker = alloc_ordered_workqueue("kafs_callbackd",
+ WQ_MEM_RECLAIM);
return afs_callback_update_worker ? 0 : -ENOMEM;
}

--
2.1.4
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