dm-crypt-unbound-workqueue.patch

   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
  12 Index: linux-3.10.4-fast/drivers/md/dm-crypt.c
  13 ===================================================================
  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
  19         cc->crypt_queue = alloc_workqueue("kcryptd",
  20 -                                         WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM, 1);
  21 +                                         WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_UNBOUND, num_online_cpus());
  22         if (!cc->crypt_queue) {
  23                 ti->error = "Couldn't create kcryptd queue";
  24                 goto bad;