tree c4ec4b6a5ccf0df214f33780375f9fe5afcff12a
parent ab42f35d9cb5ac49b5a2a11f940e74f58f207280
author Ming Lei <ming.lei@redhat.com> 1495799600 +0800
committer Jens Axboe <axboe@fb.com> 1495829524 -0600

blk-mq: make per-sw-queue bio merge as default .bio_merge

Because what the per-sw-queue bio merge does is basically same with
scheduler's .bio_merge(), this patch makes per-sw-queue bio merge
as the default .bio_merge if no scheduler is used or io scheduler
doesn't provide .bio_merge().

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>