block: avoid to merge splitted bio
authorMing Lei <ming.lei@canonical.com>
Tue, 20 Oct 2015 15:13:53 +0000 (23:13 +0800)
committerJens Axboe <axboe@fb.com>
Wed, 21 Oct 2015 21:00:51 +0000 (15:00 -0600)
commit6ac45aeb6bcad38a2783a7d6e5da4c469497eeb0
tree666a97a544ba4a465be7839989fce19746c73a8a
parentbdced438acd83ad83a6c6fc7f50099b820245ddb
block: avoid to merge splitted bio

The splitted bio has been already too fat to merge, so mark it
as NOMERGE.

Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-merge.c