bio_cur_sectors  1177 block/blk-core.c 		req->current_nr_sectors = bio_cur_sectors(bio);
bio_cur_sectors  2048 block/blk-core.c 	rq->current_nr_sectors = bio_cur_sectors(bio);
bio_cur_sectors    25 block/blk-merge.c 			rq->hard_cur_sectors = bio_cur_sectors(rq->bio);