491 static inline int bio_list_empty(const struct bio_list *bl)  in bio_list_empty()  argument
493 	return bl->head == NULL;  in bio_list_empty()
496 static inline void bio_list_init(struct bio_list *bl)  in bio_list_init()  argument
498 	bl->head = bl->tail = NULL;  in bio_list_init()
503 #define bio_list_for_each(bio, bl) \  argument
504 	for (bio = (bl)->head; bio; bio = bio->bi_next)
506 static inline unsigned bio_list_size(const struct bio_list *bl)  in bio_list_size()  argument
511 	bio_list_for_each(bio, bl)  in bio_list_size()
517 static inline void bio_list_add(struct bio_list *bl, struct bio *bio)  in bio_list_add()  argument
521 	if (bl->tail)  in bio_list_add()
522 		bl->tail->bi_next = bio;  in bio_list_add()
524 		bl->head = bio;  in bio_list_add()
526 	bl->tail = bio;  in bio_list_add()
529 static inline void bio_list_add_head(struct bio_list *bl, struct bio *bio)  in bio_list_add_head()  argument
531 	bio->bi_next = bl->head;  in bio_list_add_head()
533 	bl->head = bio;  in bio_list_add_head()
535 	if (!bl->tail)  in bio_list_add_head()
536 		bl->tail = bio;  in bio_list_add_head()
539 static inline void bio_list_merge(struct bio_list *bl, struct bio_list *bl2)  in bio_list_merge()  argument
544 	if (bl->tail)  in bio_list_merge()
545 		bl->tail->bi_next = bl2->head;  in bio_list_merge()
547 		bl->head = bl2->head;  in bio_list_merge()
549 	bl->tail = bl2->tail;  in bio_list_merge()
552 static inline void bio_list_merge_init(struct bio_list *bl,  in bio_list_merge_init()  argument
555 	bio_list_merge(bl, bl2);  in bio_list_merge_init()
559 static inline void bio_list_merge_head(struct bio_list *bl,  in bio_list_merge_head()  argument
565 	if (bl->head)  in bio_list_merge_head()
566 		bl2->tail->bi_next = bl->head;  in bio_list_merge_head()
568 		bl->tail = bl2->tail;  in bio_list_merge_head()
570 	bl->head = bl2->head;  in bio_list_merge_head()
573 static inline struct bio *bio_list_peek(struct bio_list *bl)  in bio_list_peek()  argument
575 	return bl->head;  in bio_list_peek()
578 static inline struct bio *bio_list_pop(struct bio_list *bl)  in bio_list_pop()  argument
580 	struct bio *bio = bl->head;  in bio_list_pop()
583 		bl->head = bl->head->bi_next;  in bio_list_pop()
584 		if (!bl->head)  in bio_list_pop()
585 			bl->tail = NULL;  in bio_list_pop()
593 static inline struct bio *bio_list_get(struct bio_list *bl)  in bio_list_get()  argument
595 	struct bio *bio = bl->head;  in bio_list_get()
597 	bl->head = bl->tail = NULL;  in bio_list_get()