blk_rq_count_integrity_sg
rq->nr_integrity_segments = blk_rq_count_integrity_sg(rq->q, rq->bio);
nr_integrity_segs = blk_rq_count_integrity_sg(q, bio);
req->nr_integrity_segments += blk_rq_count_integrity_sg(req->q,
rq->nr_integrity_segments = blk_rq_count_integrity_sg(rq->q,
int blk_rq_count_integrity_sg(struct request_queue *, struct bio *);