Commit f01b411f authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
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Revert "blkdev: check for valid request queue before issuing flush" 



This reverts commit f10d9f61.

We can't have queues without a make_request_fn any more (and the
loop device uses blk-mq these days anyway..).

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 3d745ea5

block/blk-flush.c

+0 −9
Original line number Diff line number Diff line
@@ -454,15 +454,6 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, 
	if (!q)

		return -ENXIO;



	/*

	 * some block devices may not have their queue correctly set up here

	 * (e.g. loop device without a backing file) and so issuing a flush

	 * here will panic. Ensure there is a request function before issuing

	 * the flush.

	 */

	if (!q->make_request_fn)

		return -ENXIO;



	bio = bio_alloc(gfp_mask, 0);

	bio_set_dev(bio, bdev);

	bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;