s390/scm_blk: allow more cluster size values
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Thu, 25 Apr 2013 11:02:39 +0000 (13:02 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 26 Apr 2013 07:07:15 +0000 (09:07 +0200)
commitbd86055fc938493259a15dc00ee77435b4d2e83f
tree6b27c3a5b29acf645beccca7f6231a2b03db9f86
parent3ad19b8fb07497f975aa6aba187198ce11191dd2
s390/scm_blk: allow more cluster size values

Allow 0 and powers of 2 between 2 and 128 for write_cluster_size.

Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/block/scm_blk_cluster.c