blk-mq: add blk_mq_delay_queue

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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>

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Christoph Hellwig 2014-04-16 10:48:08 -06:00 • committed by Jens Axboe

parent 1b4a325858

commit 70f4db639c

3 changed files with 46 additions and 9 deletions

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6

block/blk-core.c

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45

block/blk-mq.c

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4

include/linux/blk-mq.h

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