Message ID | 20220523210119.2500150-4-kbusch@fb.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | direct io dma alignment | expand |
On Mon, May 23, 2022 at 02:01:16PM -0700, Keith Busch wrote: > From: Keith Busch <kbusch@kernel.org> > > Preparing for upcoming dma_alignment users that have a block_device, but > don't need the request_queue. Looks good: Reviewed-by: Christoph Hellwig <hch@lst.de>
Looks good,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5bdf2ac9142c..834b981ef01b 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1365,6 +1365,11 @@ 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) {