blk-mq remove debug BUG_ON() when draining software queues

It's never been of any use, lets get rid of it.

Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jens Axboe 2014-04-30 13:43:08 -06:00
commit 98bc1f272a