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Commit d427e3c8 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: remove unused function blk_bio_map_sg 



Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent a0763b27

block/blk-merge.c

+0 −29
Original line number Diff line number Diff line
@@ -283,35 +283,6 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq, 
}

EXPORT_SYMBOL(blk_rq_map_sg);



/**

 * blk_bio_map_sg - map a bio to a scatterlist

 * @q: request_queue in question

 * @bio: bio being mapped

 * @sglist: scatterlist being mapped

 *

 * Note:

 *    Caller must make sure sg can hold bio->bi_phys_segments entries

 *

 * Will return the number of sg entries setup

 */

int blk_bio_map_sg(struct request_queue *q, struct bio *bio,

		   struct scatterlist *sglist)

{

	struct scatterlist *sg = NULL;

	int nsegs;

	struct bio *next = bio->bi_next;

	bio->bi_next = NULL;



	nsegs = __blk_bios_map_sg(q, bio, sglist, &sg);

	bio->bi_next = next;

	if (sg)

		sg_mark_end(sg);



	BUG_ON(bio->bi_phys_segments && nsegs > bio->bi_phys_segments);

	return nsegs;

}

EXPORT_SYMBOL(blk_bio_map_sg);



static inline int ll_new_hw_segment(struct request_queue *q,

				    struct request *req,

				    struct bio *bio)

include/linux/blkdev.h

+0 −2
Original line number Diff line number Diff line
@@ -1049,8 +1049,6 @@ extern void blk_queue_flush_queueable(struct request_queue *q, bool queueable); 
extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);



extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);

extern int blk_bio_map_sg(struct request_queue *q, struct bio *bio,

			  struct scatterlist *sglist);

extern void blk_dump_rq_flags(struct request *, char *);

extern long nr_blockdev_pages(void);