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dm: convert workqueues to alloc_ordered

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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>
This commit is contained in:
Tejun Heo 2011-01-13 19:59:57 +00:00 committed by Alasdair G Kergon
parent f521f074ab
commit 4d4d66ab53
6 changed files with 8 additions and 7 deletions
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2
drivers/md/dm-delay.c
View File

@ -352,7 +352,7 @@ static int __init dm_delay_init(void)
{
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;

2
drivers/md/dm-kcopyd.c
View File

@ -672,7 +672,7 @@ int dm_kcopyd_client_create(unsigned int nr_pages,
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;

5
drivers/md/dm-mpath.c
View File

@ -1675,7 +1675,7 @@ static int __init dm_multipath_init(void)
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 @@ static int __init dm_multipath_init(void)
* 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);

2
drivers/md/dm-raid1.c
View File

@ -1085,7 +1085,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
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;

2
drivers/md/dm-snap-persistent.c
View File

@ -818,7 +818,7 @@ static int persistent_ctr(struct dm_exception_store *store,
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");

2
drivers/md/dm.c
View File

@ -1883,7 +1883,7 @@ static struct mapped_device *alloc_dev(int minor)
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;