60 static int elv_iosched_allow_bio_merge(struct request *rq, struct bio *bio)  in elv_iosched_allow_bio_merge()  argument
66 		return e->type->ops.allow_merge(q, rq, bio);  in elv_iosched_allow_bio_merge()
74 bool elv_bio_merge_ok(struct request *rq, struct bio *bio)  in elv_bio_merge_ok()  argument
76 	if (!blk_rq_merge_ok(rq, bio))  in elv_bio_merge_ok()
79 	if (!elv_iosched_allow_bio_merge(rq, bio))  in elv_bio_merge_ok()
305 		struct bio *bio)  in elv_merge()  argument
316 	if (blk_queue_nomerges(q) || !bio_mergeable(bio))  in elv_merge()
322 	if (q->last_merge && elv_bio_merge_ok(q->last_merge, bio)) {  in elv_merge()
323 		enum elv_merge ret = blk_try_merge(q->last_merge, bio);  in elv_merge()
337 	__rq = elv_rqhash_find(q, bio->bi_iter.bi_sector);  in elv_merge()
338 	if (__rq && elv_bio_merge_ok(__rq, bio)) {  in elv_merge()
344 		return e->type->ops.request_merge(q, req, bio);  in elv_merge()