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fs/afs/flock: Remove deprecated create_singlethread_workqueue

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The workqueue "afs_lock_manager" queues work item &vnode->lock_work,
per vnode. Since there can be multiple vnodes and since their work items
can be executed concurrently, 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 because the workqueue is being used on a memory reclaim
path.

Since there are fixed number of work items, explicit concurrency
limit is unnecessary here.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Bhaktipriya Shridhar 2016-09-04 20:54:58 +05:30 committed by David Howells
parent 4c136dae62
commit 434e612003
1 changed files with 2 additions and 2 deletions
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4
fs/afs/flock.c
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@ -36,8 +36,8 @@ static int afs_init_lock_manager(void)
if (!afs_lock_manager) {
mutex_lock(&afs_lock_manager_mutex);
if (!afs_lock_manager) {
afs_lock_manager =
create_singlethread_workqueue("kafs_lockd");
afs_lock_manager = alloc_workqueue("kafs_lockd",
WQ_MEM_RECLAIM, 0);
if (!afs_lock_manager)
ret = -ENOMEM;
}