363 __blk_segment_map_sg(struct request_queue *q, struct bio_vec *bvec,  in __blk_segment_map_sg()  argument
368 	int nbytes = bvec->bv_len;  in __blk_segment_map_sg()
374 		if (!BIOVEC_PHYS_MERGEABLE(bvprv, bvec))  in __blk_segment_map_sg()
376 		if (!BIOVEC_SEG_BOUNDARY(q, bvprv, bvec))  in __blk_segment_map_sg()
399 		sg_set_page(*sg, bvec->bv_page, nbytes, bvec->bv_offset);  in __blk_segment_map_sg()
402 	*bvprv = *bvec;  in __blk_segment_map_sg()
409 	struct bio_vec bvec, bvprv = { NULL };  in __blk_bios_map_sg()  local
431 		bvec = bio_iovec(bio);  in __blk_bios_map_sg()
432 		sg_set_page(*sg, bvec.bv_page, bvec.bv_len, bvec.bv_offset);  in __blk_bios_map_sg()
439 		bio_for_each_segment(bvec, bio, iter)  in __blk_bios_map_sg()
440 			__blk_segment_map_sg(q, &bvec, sglist, &bvprv, sg,  in __blk_bios_map_sg()