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-3.10.4-fast.orig/drivers/md/dm-crypt.c        2013-07-31 17:03:10.000000000 +0200
  15 +++ linux-3.10.4-fast/drivers/md/dm-crypt.c     2013-07-31 17:03:18.000000000 +0200
  16 @@ -1620,8 +1620,9 @@ static int crypt_ctr(struct dm_target *t
  17         cc->crypt_queue = alloc_workqueue("kcryptd",
  18                                           WQ_NON_REENTRANT|
  19                                           WQ_CPU_INTENSIVE|
  20 -                                         WQ_MEM_RECLAIM,
  21 -                                         1);
  22 +                                         WQ_MEM_RECLAIM|
  23 +                                         WQ_UNBOUND,
  24 +                                         num_online_cpus());
  25         if (!cc->crypt_queue) {
  26                 ti->error = "Couldn't create kcryptd queue";
  27                 goto bad;