dm: convert workqueues to alloc_ordered
Convert all create[_singlethread]_work() users to the new
alloc[_ordered]_workqueue(). This conversion is mechanical and
doesn't introduce any behavior change.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index baa1191..f18375d 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -352,7 +352,7 @@
{
int r = -ENOMEM;
- kdelayd_wq = create_workqueue("kdelayd");
+ kdelayd_wq = alloc_workqueue("kdelayd", WQ_MEM_RECLAIM, 0);
if (!kdelayd_wq) {
DMERR("Couldn't start kdelayd");
goto bad_queue;
diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index dad32f8..63d6716 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -672,7 +672,7 @@
goto bad_slab;
INIT_WORK(&kc->kcopyd_work, do_work);
- kc->kcopyd_wq = create_singlethread_workqueue("kcopyd");
+ kc->kcopyd_wq = alloc_ordered_workqueue("kcopyd", WQ_MEM_RECLAIM);
if (!kc->kcopyd_wq)
goto bad_workqueue;
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index fcc59c3..35ab578 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1675,7 +1675,7 @@
return -EINVAL;
}
- kmultipathd = create_workqueue("kmpathd");
+ kmultipathd = alloc_workqueue("kmpathd", WQ_MEM_RECLAIM, 0);
if (!kmultipathd) {
DMERR("failed to create workqueue kmpathd");
dm_unregister_target(&multipath_target);
@@ -1689,7 +1689,8 @@
* old workqueue would also create a bottleneck in the
* path of the storage hardware device activation.
*/
- kmpath_handlerd = create_singlethread_workqueue("kmpath_handlerd");
+ kmpath_handlerd = alloc_ordered_workqueue("kmpath_handlerd",
+ WQ_MEM_RECLAIM);
if (!kmpath_handlerd) {
DMERR("failed to create workqueue kmpath_handlerd");
destroy_workqueue(kmultipathd);
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 0d58b6f..3991743 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1085,7 +1085,7 @@
ti->num_flush_requests = 1;
ti->num_discard_requests = 1;
- ms->kmirrord_wq = create_singlethread_workqueue("kmirrord");
+ ms->kmirrord_wq = alloc_ordered_workqueue("kmirrord", WQ_MEM_RECLAIM);
if (!ms->kmirrord_wq) {
DMERR("couldn't start kmirrord");
r = -ENOMEM;
diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index 2129cdb..d3021a6 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -818,7 +818,7 @@
atomic_set(&ps->pending_count, 0);
ps->callbacks = NULL;
- ps->metadata_wq = create_singlethread_workqueue("ksnaphd");
+ ps->metadata_wq = alloc_ordered_workqueue("ksnaphd", WQ_MEM_RECLAIM);
if (!ps->metadata_wq) {
kfree(ps);
DMERR("couldn't start header metadata update thread");
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 0de6921..39aaa92 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1883,7 +1883,7 @@
add_disk(md->disk);
format_dev_t(md->name, MKDEV(_major, minor));
- md->wq = create_singlethread_workqueue("kdmflush");
+ md->wq = alloc_ordered_workqueue("kdmflush", WQ_MEM_RECLAIM);
if (!md->wq)
goto bad_thread;