tree 58a5acc839c2d0dd73436fcd6a95c8fe50bbccff
parent 1b4a325858f695a9b5041313602d34b36f463724
author Christoph Hellwig <hch@lst.de> 1397666888 -0600
committer Jens Axboe <axboe@fb.com> 1397679325 -0600

blk-mq: add blk_mq_delay_queue

Add a blk-mq equivalent to blk_delay_queue so that the scsi layer can ask
to be kicked again after a delay.

Signed-off-by: Christoph Hellwig <hch@lst.de>

Modified by me to kill the unnecessary preempt disable/enable
in the delayed workqueue handler.

Signed-off-by: Jens Axboe <axboe@fb.com>