From: Keith Busch <kbusch@xxxxxxxxxx> Preparing for upcoming dma_alignment users that have a block_device, but don't need the request_queue. Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> --- include/linux/blkdev.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 608d577734c2..ab7e6aa17954 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1366,6 +1366,11 @@ static inline int queue_dma_alignment(const struct request_queue *q) return q ? q->dma_alignment : 511; } +static inline unsigned int bdev_dma_alignment(struct block_device *bdev) +{ + return queue_dma_alignment(bdev_get_queue(bdev)); +} + static inline int blk_rq_aligned(struct request_queue *q, unsigned long addr, unsigned int len) { -- 2.30.2