Commits
Mike Snitzer committed 9d1deb83d48
dm: don't schedule delayed run of the queue if nothing to do In request-based DM's dm_request_fn(), if blk_peek_request() returns NULL just return. Avoids unnecessary blk_delay_queue(). Reported-by: Jens Axboe <axboe@fb.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>