[PATCH 06/13] block: move req_gap_back_merge to blk.h
From: Christoph Hellwig <hch@lst.de>
Date: 2018-09-04 23:41:07
Also in:
linux-arm-kernel, xen-devel
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
No need to expose these helpers outside the block layer. Signed-off-by: Christoph Hellwig <hch@lst.de> --- block/blk.h | 19 +++++++++++++++++++ include/linux/blkdev.h | 19 ------------------- 2 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/block/blk.h b/block/blk.h
index 441c2de1d4b9..63035c95689c 100644
--- a/block/blk.h
+++ b/block/blk.h@@ -149,6 +149,25 @@ static inline void blk_queue_enter_live(struct request_queue *q) percpu_ref_get(&q->q_usage_counter); } +static inline bool __bvec_gap_to_prev(struct request_queue *q, + struct bio_vec *bprv, unsigned int offset) +{ + return offset || + ((bprv->bv_offset + bprv->bv_len) & queue_virt_boundary(q)); +} + +/* + * Check if adding a bio_vec after bprv with offset would create a gap in + * the SG list. Most drivers don't care about this, but some do. + */ +static inline bool bvec_gap_to_prev(struct request_queue *q, + struct bio_vec *bprv, unsigned int offset) +{ + if (!queue_virt_boundary(q)) + return false; + return __bvec_gap_to_prev(q, bprv, offset); +} + #ifdef CONFIG_BLK_DEV_INTEGRITY void blk_flush_integrity(void); bool __bio_integrity_endio(struct bio *);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index b7e676bb01bc..1d5e14139795 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h@@ -1676,25 +1676,6 @@ static inline void put_dev_sector(Sector p) put_page(p.v); } -static inline bool __bvec_gap_to_prev(struct request_queue *q, - struct bio_vec *bprv, unsigned int offset) -{ - return offset || - ((bprv->bv_offset + bprv->bv_len) & queue_virt_boundary(q)); -} - -/* - * Check if adding a bio_vec after bprv with offset would create a gap in - * the SG list. Most drivers don't care about this, but some do. - */ -static inline bool bvec_gap_to_prev(struct request_queue *q, - struct bio_vec *bprv, unsigned int offset) -{ - if (!queue_virt_boundary(q)) - return false; - return __bvec_gap_to_prev(q, bprv, offset); -} - int kblockd_schedule_work(struct work_struct *work); int kblockd_schedule_work_on(int cpu, struct work_struct *work); int kblockd_mod_delayed_work_on(int cpu, struct delayed_work *dwork, unsigned long delay);
--
2.18.0