[packages/kernel.git] / dm-crypt-unbound-workqueue.patch

dm-crypt: use unbound workqueue for request processing

Use unbound workqueue so that work is automatically ballanced between
available CPUs.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

---
 drivers/md/dm-crypt.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Index: linux-3.10.4-fast/drivers/md/dm-crypt.c
===================================================================
--- linux-3.12/drivers/md/dm-crypt.c.orig	2013-11-12 11:02:03.770083857 +0100
+++ linux-3.12/drivers/md/dm-crypt.c	2013-11-12 12:03:46.890126367 +0100
@@ -1615,7 +1615,7 @@
 	}
 
 	cc->crypt_queue = alloc_workqueue("kcryptd",
-					  WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM, 1);
+					  WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_UNBOUND, num_online_cpus());
 	if (!cc->crypt_queue) {
 		ti->error = "Couldn't create kcryptd queue";
 		goto bad;
Commit	Line	Data
101a7448 ŁK	1	dm-crypt: use unbound workqueue for request processing
	2
	3	Use unbound workqueue so that work is automatically ballanced between
	4	available CPUs.
	5
	6	Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
	7
	8	---
	9	drivers/md/dm-crypt.c \| 5 +++--
	10	1 file changed, 3 insertions(+), 2 deletions(-)
	11
3f63f64f	12	Index: linux-3.10.4-fast/drivers/md/dm-crypt.c
101a7448	13	===================================================================
3f63f64f ŁK	14	--- linux-3.12/drivers/md/dm-crypt.c.orig 2013-11-12 11:02:03.770083857 +0100
	15	+++ linux-3.12/drivers/md/dm-crypt.c 2013-11-12 12:03:46.890126367 +0100
	16	@@ -1615,7 +1615,7 @@
	17	}
	18
101a7448	19	cc->crypt_queue = alloc_workqueue("kcryptd",
3f63f64f ŁK	20	- WQ_CPU_INTENSIVE \| WQ_MEM_RECLAIM, 1);
3f63f64f ŁK	21	+ WQ_CPU_INTENSIVE \| WQ_MEM_RECLAIM \| WQ_UNBOUND, num_online_cpus());
101a7448 ŁK	22	if (!cc->crypt_queue) {
	23	ti->error = "Couldn't create kcryptd queue";
	24	goto bad;