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block: add offset in blk_add_request_payload()

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We could kmalloc() the payload, so need the offset in page.

Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Ming Lin
2016-03-22 00:24:44 -07:00
committed by Jens Axboe
parent 81b76485af
commit 37e58237a1
4 changed files with 6 additions and 5 deletions
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include/linux/blkdev.h
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@@ -779,7 +779,7 @@ extern struct request *blk_make_request(struct request_queue *, struct bio *,
extern void blk_rq_set_block_pc(struct request *);
extern void blk_requeue_request(struct request_queue *, struct request *);
extern void blk_add_request_payload(struct request *rq, struct page *page,
unsigned int len);
int offset, unsigned int len);
extern int blk_lld_busy(struct request_queue *q);
extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
struct bio_set *bs, gfp_t gfp_mask,