blk-mq: handle dma_drain_size
Make blk-mq handle the dma_drain_size field the same way as the old request path. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NJens Axboe <axboe@fb.com>
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Make blk-mq handle the dma_drain_size field the same way as the old request path. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NJens Axboe <axboe@fb.com>