block: remove the disk and queue NULL checks in blkdev_issue_flush
Both of these never can be NULL for a live block device. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -438,17 +438,9 @@ void blk_insert_flush(struct request *rq)
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*/
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*/
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int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask)
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int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask)
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{
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{
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struct request_queue *q;
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struct bio *bio;
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struct bio *bio;
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int ret = 0;
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int ret = 0;
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if (bdev->bd_disk == NULL)
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return -ENXIO;
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q = bdev_get_queue(bdev);
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if (!q)
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return -ENXIO;
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bio = bio_alloc(gfp_mask, 0);
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bio = bio_alloc(gfp_mask, 0);
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bio_set_dev(bio, bdev);
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bio_set_dev(bio, bdev);
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bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
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bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
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