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Commit 1c4bc3ab authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: remove the queue_bounce_pfn helper 



Only used inside the bounce code, and opencoding it makes it more obvious
what is going on.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 3bce016a

block/bounce.c

+3 −3
Original line number Diff line number Diff line
@@ -203,7 +203,7 @@ static void __blk_queue_bounce(struct request_queue *q, struct bio **bio_orig, 
	bio_for_each_segment(from, *bio_orig, iter) {

		if (i++ < BIO_MAX_PAGES)

			sectors += from.bv_len >> 9;

		if (page_to_pfn(from.bv_page) > queue_bounce_pfn(q))

		if (page_to_pfn(from.bv_page) > q->limits.bounce_pfn)

			bounce = true;

	}

	if (!bounce)
@@ -220,7 +220,7 @@ static void __blk_queue_bounce(struct request_queue *q, struct bio **bio_orig, 
	bio_for_each_segment_all(to, bio, i) {

		struct page *page = to->bv_page;



		if (page_to_pfn(page) <= queue_bounce_pfn(q))

		if (page_to_pfn(page) <= q->limits.bounce_pfn)

			continue;



		to->bv_page = mempool_alloc(pool, q->bounce_gfp);
@@ -272,7 +272,7 @@ void blk_queue_bounce(struct request_queue *q, struct bio **bio_orig) 
	 * don't waste time iterating over bio segments

	 */

	if (!(q->bounce_gfp & GFP_DMA)) {

		if (queue_bounce_pfn(q) >= blk_max_pfn)

		if (q->limits.bounce_pfn >= blk_max_pfn)

			return;

		pool = page_pool;

	} else {

include/linux/blkdev.h

+0 −5
Original line number Diff line number Diff line
@@ -1385,11 +1385,6 @@ enum blk_default_limits { 


#define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist)



static inline unsigned long queue_bounce_pfn(struct request_queue *q)

{

	return q->limits.bounce_pfn;

}



static inline unsigned long queue_segment_boundary(struct request_queue *q)

{

	return q->limits.seg_boundary_mask;