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block: move poll code to blk-mq

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The poll code is blk-mq specific, let's move it to blk-mq.c. This
is a prep patch for improving the polling code.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Jens Axboe
2016-11-04 09:34:34 -06:00
parent b425b0201e
commit bbd7bb7017
5 changed files with 57 additions and 49 deletions
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2
fs/direct-io.c
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@@ -457,7 +457,7 @@ static struct bio *dio_await_one(struct dio *dio)
dio->waiter = current;
spin_unlock_irqrestore(&dio->bio_lock, flags);
if (!(dio->iocb->ki_flags & IOCB_HIPRI) ||
!blk_poll(bdev_get_queue(dio->bio_bdev), dio->bio_cookie))
!blk_mq_poll(bdev_get_queue(dio->bio_bdev), dio->bio_cookie))
io_schedule();
/* wake up sets us TASK_RUNNING */
spin_lock_irqsave(&dio->bio_lock, flags);