[PATCH 04/10] block: remove the queue_bounce_pfn helper
From: Christoph Hellwig <hch@lst.de>
Date: 2017-06-19 07:26:22
Also in:
dm-devel
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
Only used inside the bounce code, and opencoding it makes it more obvious what is going on. Signed-off-by: Christoph Hellwig <hch@lst.de> --- block/bounce.c | 6 +++--- include/linux/blkdev.h | 5 ----- 2 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/block/bounce.c b/block/bounce.c
index fc79dd3e0f20..f2b4361fff81 100644
--- a/block/bounce.c
+++ b/block/bounce.c@@ -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 {
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index f1a5f82a4d97..db2b7a7450bd 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h@@ -1363,11 +1363,6 @@ 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;
--
2.11.0