581 static inline int bio_list_empty(const struct bio_list *bl)  in bio_list_empty()  argument
583 	return bl->head == NULL;  in bio_list_empty()
586 static inline void bio_list_init(struct bio_list *bl)  in bio_list_init()  argument
588 	bl->head = bl->tail = NULL;  in bio_list_init()
593 #define bio_list_for_each(bio, bl) \  argument
594 	for (bio = (bl)->head; bio; bio = bio->bi_next)
596 static inline unsigned bio_list_size(const struct bio_list *bl)  in bio_list_size()  argument
601 	bio_list_for_each(bio, bl)  in bio_list_size()
607 static inline void bio_list_add(struct bio_list *bl, struct bio *bio)  in bio_list_add()  argument
611 	if (bl->tail)  in bio_list_add()
612 		bl->tail->bi_next = bio;  in bio_list_add()
614 		bl->head = bio;  in bio_list_add()
616 	bl->tail = bio;  in bio_list_add()
619 static inline void bio_list_add_head(struct bio_list *bl, struct bio *bio)  in bio_list_add_head()  argument
621 	bio->bi_next = bl->head;  in bio_list_add_head()
623 	bl->head = bio;  in bio_list_add_head()
625 	if (!bl->tail)  in bio_list_add_head()
626 		bl->tail = bio;  in bio_list_add_head()
629 static inline void bio_list_merge(struct bio_list *bl, struct bio_list *bl2)  in bio_list_merge()  argument
634 	if (bl->tail)  in bio_list_merge()
635 		bl->tail->bi_next = bl2->head;  in bio_list_merge()
637 		bl->head = bl2->head;  in bio_list_merge()
639 	bl->tail = bl2->tail;  in bio_list_merge()
642 static inline void bio_list_merge_head(struct bio_list *bl,  in bio_list_merge_head()  argument
648 	if (bl->head)  in bio_list_merge_head()
649 		bl2->tail->bi_next = bl->head;  in bio_list_merge_head()
651 		bl->tail = bl2->tail;  in bio_list_merge_head()
653 	bl->head = bl2->head;  in bio_list_merge_head()
656 static inline struct bio *bio_list_peek(struct bio_list *bl)  in bio_list_peek()  argument
658 	return bl->head;  in bio_list_peek()
661 static inline struct bio *bio_list_pop(struct bio_list *bl)  in bio_list_pop()  argument
663 	struct bio *bio = bl->head;  in bio_list_pop()
666 		bl->head = bl->head->bi_next;  in bio_list_pop()
667 		if (!bl->head)  in bio_list_pop()
668 			bl->tail = NULL;  in bio_list_pop()
676 static inline struct bio *bio_list_get(struct bio_list *bl)  in bio_list_get()  argument
678 	struct bio *bio = bl->head;  in bio_list_get()
680 	bl->head = bl->tail = NULL;  in bio_list_get()