45 int __bio_queue_enter(struct request_queue *q, struct bio *bio);
46 void submit_bio_noacct_nocheck(struct bio *bio);
47 void bio_await_chain(struct bio *bio);
73 static inline int bio_queue_enter(struct bio *bio)  in bio_queue_enter()  argument
75 	struct request_queue *q = bdev_get_queue(bio->bi_bdev);  in bio_queue_enter()
82 	return __bio_queue_enter(q, bio);  in bio_queue_enter()
216 void bio_integrity_free(struct bio *bio);
224 bool __bio_integrity_endio(struct bio *bio);
225 static inline bool bio_integrity_endio(struct bio *bio)  in bio_integrity_endio()  argument
227 	struct bio_integrity_payload *bip = bio_integrity(bio);  in bio_integrity_endio()
230 		return __bio_integrity_endio(bio);  in bio_integrity_endio()
237 		struct bio *);
240 		struct bio *next)  in integrity_req_gap_back_merge()
242 	struct bio_integrity_payload *bip = bio_integrity(req->bio);  in integrity_req_gap_back_merge()
251 		struct bio *bio)  in integrity_req_gap_front_merge()  argument
253 	struct bio_integrity_payload *bip = bio_integrity(bio);  in integrity_req_gap_front_merge()
254 	struct bio_integrity_payload *bip_next = bio_integrity(req->bio);  in integrity_req_gap_front_merge()
269 		struct request *r, struct bio *b)  in blk_integrity_merge_bio()
274 		struct bio *next)  in integrity_req_gap_back_merge()
279 		struct bio *bio)  in integrity_req_gap_front_merge()  argument
287 static inline bool bio_integrity_endio(struct bio *bio)  in bio_integrity_endio()  argument
291 static inline void bio_integrity_free(struct bio *bio)  in bio_integrity_free()  argument
306 		struct bio *bio, unsigned int nr_segs);
307 bool blk_attempt_plug_merge(struct request_queue *q, struct bio *bio,
310 			struct bio *bio, unsigned int nr_segs);
345 struct bio *bio_split_discard(struct bio *bio, const struct queue_limits *lim,
347 struct bio *bio_split_write_zeroes(struct bio *bio,
349 struct bio *bio_split_rw(struct bio *bio, const struct queue_limits *lim,
351 struct bio *bio_split_zone_append(struct bio *bio,
362 static inline bool bio_may_need_split(struct bio *bio,  in bio_may_need_split()  argument
367 	if (bio->bi_vcnt != 1)  in bio_may_need_split()
369 	return bio->bi_io_vec->bv_len + bio->bi_io_vec->bv_offset >  in bio_may_need_split()
386 static inline struct bio *__bio_split_to_limits(struct bio *bio,  in __bio_split_to_limits()  argument
389 	switch (bio_op(bio)) {  in __bio_split_to_limits()
392 		if (bio_may_need_split(bio, lim))  in __bio_split_to_limits()
393 			return bio_split_rw(bio, lim, nr_segs);  in __bio_split_to_limits()
395 		return bio;  in __bio_split_to_limits()
397 		return bio_split_zone_append(bio, lim, nr_segs);  in __bio_split_to_limits()
400 		return bio_split_discard(bio, lim, nr_segs);  in __bio_split_to_limits()
402 		return bio_split_write_zeroes(bio, lim, nr_segs);  in __bio_split_to_limits()
406 		return bio;  in __bio_split_to_limits()
410 int ll_back_merge_fn(struct request *req, struct bio *bio,
415 bool blk_rq_merge_ok(struct request *rq, struct bio *bio);
416 enum elv_merge blk_try_merge(struct request *rq, struct bio *bio);
446 struct bio *__blk_queue_bounce(struct bio *bio, struct request_queue *q);
455 static inline struct bio *blk_queue_bounce(struct bio *bio,  in blk_queue_bounce()  argument
458 	if (unlikely(blk_queue_may_bounce(q) && bio_has_data(bio)))  in blk_queue_bounce()
459 		return __blk_queue_bounce(bio, q);  in blk_queue_bounce()
460 	return bio;  in blk_queue_bounce()
466 static inline bool bio_zone_write_plugging(struct bio *bio)  in bio_zone_write_plugging()  argument
468 	return bio_flagged(bio, BIO_ZONE_WRITE_PLUGGING);  in bio_zone_write_plugging()
470 void blk_zone_write_plug_bio_merged(struct bio *bio);
473 					       struct bio *bio)  in blk_zone_update_request_bio()  argument
484 	    bio_flagged(bio, BIO_EMULATES_ZONE_APPEND))  in blk_zone_update_request_bio()
485 		bio->bi_iter.bi_sector = rq->__sector;  in blk_zone_update_request_bio()
487 void blk_zone_write_plug_bio_endio(struct bio *bio);
488 static inline void blk_zone_bio_endio(struct bio *bio)  in blk_zone_bio_endio()  argument
494 	if (bio_zone_write_plugging(bio))  in blk_zone_bio_endio()
495 		blk_zone_write_plug_bio_endio(bio);  in blk_zone_bio_endio()
515 static inline bool bio_zone_write_plugging(struct bio *bio)  in bio_zone_write_plugging()  argument
519 static inline void blk_zone_write_plug_bio_merged(struct bio *bio)  in blk_zone_write_plug_bio_merged()  argument
526 					       struct bio *bio)  in blk_zone_update_request_bio()  argument
529 static inline void blk_zone_bio_endio(struct bio *bio)  in blk_zone_bio_endio()  argument
574 static inline void bio_release_page(struct bio *bio, struct page *page)  in bio_release_page()  argument
576 	if (bio_flagged(bio, BIO_PAGE_PINNED))  in bio_release_page()
721 void blk_integrity_generate(struct bio *bio);
722 void blk_integrity_verify_iter(struct bio *bio, struct bvec_iter *saved_iter);