forked from Minki/linux
block: remove unused function blk_bio_map_sg
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
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@ -283,35 +283,6 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq,
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}
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EXPORT_SYMBOL(blk_rq_map_sg);
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/**
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* blk_bio_map_sg - map a bio to a scatterlist
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* @q: request_queue in question
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* @bio: bio being mapped
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* @sglist: scatterlist being mapped
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*
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* Note:
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* Caller must make sure sg can hold bio->bi_phys_segments entries
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*
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* Will return the number of sg entries setup
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*/
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int blk_bio_map_sg(struct request_queue *q, struct bio *bio,
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struct scatterlist *sglist)
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{
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struct scatterlist *sg = NULL;
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int nsegs;
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struct bio *next = bio->bi_next;
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bio->bi_next = NULL;
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nsegs = __blk_bios_map_sg(q, bio, sglist, &sg);
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bio->bi_next = next;
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if (sg)
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sg_mark_end(sg);
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BUG_ON(bio->bi_phys_segments && nsegs > bio->bi_phys_segments);
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return nsegs;
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}
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EXPORT_SYMBOL(blk_bio_map_sg);
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static inline int ll_new_hw_segment(struct request_queue *q,
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struct request *req,
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struct bio *bio)
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@ -1049,8 +1049,6 @@ extern void blk_queue_flush_queueable(struct request_queue *q, bool queueable);
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extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
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extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
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extern int blk_bio_map_sg(struct request_queue *q, struct bio *bio,
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struct scatterlist *sglist);
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extern void blk_dump_rq_flags(struct request *, char *);
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extern long nr_blockdev_pages(void);
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