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| author | Christoph Hellwig <hch@lst.de> | 2025-05-05 10:11:25 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-05-05 13:22:39 -0600 |
| commit | eeadd68e2a5f6bfe0bf1038ec49e3a8d99eb5fe8 (patch) | |
| tree | 4db0814241216dff26f4175195a6a5971cd1ef65 /block/blk.h | |
| parent | a9437f6a1d8d0b3787fe6ff03d9aab4d3fe9b940 (diff) | |
block: remove bounce buffering support
The block layer bounce buffering support is unused now, remove it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20250505081138.3435992-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/block/blk.h b/block/blk.h index 328075787814..ff21f234b62f 100644 --- a/block/blk.h +++ b/block/blk.h @@ -443,23 +443,6 @@ static inline void ioc_clear_queue(struct request_queue *q) } #endif /* CONFIG_BLK_ICQ */ -struct bio *__blk_queue_bounce(struct bio *bio, struct request_queue *q); - -static inline bool blk_queue_may_bounce(struct request_queue *q) -{ - return IS_ENABLED(CONFIG_BOUNCE) && - (q->limits.features & BLK_FEAT_BOUNCE_HIGH) && - max_low_pfn >= max_pfn; -} - -static inline struct bio *blk_queue_bounce(struct bio *bio, - struct request_queue *q) -{ - if (unlikely(blk_queue_may_bounce(q) && bio_has_data(bio))) - return __blk_queue_bounce(bio, q); - return bio; -} - #ifdef CONFIG_BLK_DEV_ZONED void disk_init_zone_resources(struct gendisk *disk); void disk_free_zone_resources(struct gendisk *disk); |