601 static inline int bio_list_empty(const struct bio_list *bl)  in bio_list_empty()  argument
603 	return bl->head == NULL;  in bio_list_empty()
606 static inline void bio_list_init(struct bio_list *bl)  in bio_list_init()  argument
608 	bl->head = bl->tail = NULL;  in bio_list_init()
613 #define bio_list_for_each(bio, bl) \  argument
614 	for (bio = (bl)->head; bio; bio = bio->bi_next)
616 static inline unsigned bio_list_size(const struct bio_list *bl)  in bio_list_size()  argument
621 	bio_list_for_each(bio, bl)  in bio_list_size()
627 static inline void bio_list_add(struct bio_list *bl, struct bio *bio)  in bio_list_add()  argument
631 	if (bl->tail)  in bio_list_add()
632 		bl->tail->bi_next = bio;  in bio_list_add()
634 		bl->head = bio;  in bio_list_add()
636 	bl->tail = bio;  in bio_list_add()
639 static inline void bio_list_add_head(struct bio_list *bl, struct bio *bio)  in bio_list_add_head()  argument
641 	bio->bi_next = bl->head;  in bio_list_add_head()
643 	bl->head = bio;  in bio_list_add_head()
645 	if (!bl->tail)  in bio_list_add_head()
646 		bl->tail = bio;  in bio_list_add_head()
649 static inline void bio_list_merge(struct bio_list *bl, struct bio_list *bl2)  in bio_list_merge()  argument
654 	if (bl->tail)  in bio_list_merge()
655 		bl->tail->bi_next = bl2->head;  in bio_list_merge()
657 		bl->head = bl2->head;  in bio_list_merge()
659 	bl->tail = bl2->tail;  in bio_list_merge()
662 static inline void bio_list_merge_head(struct bio_list *bl,  in bio_list_merge_head()  argument
668 	if (bl->head)  in bio_list_merge_head()
669 		bl2->tail->bi_next = bl->head;  in bio_list_merge_head()
671 		bl->tail = bl2->tail;  in bio_list_merge_head()
673 	bl->head = bl2->head;  in bio_list_merge_head()
676 static inline struct bio *bio_list_peek(struct bio_list *bl)  in bio_list_peek()  argument
678 	return bl->head;  in bio_list_peek()
681 static inline struct bio *bio_list_pop(struct bio_list *bl)  in bio_list_pop()  argument
683 	struct bio *bio = bl->head;  in bio_list_pop()
686 		bl->head = bl->head->bi_next;  in bio_list_pop()
687 		if (!bl->head)  in bio_list_pop()
688 			bl->tail = NULL;  in bio_list_pop()
696 static inline struct bio *bio_list_get(struct bio_list *bl)  in bio_list_get()  argument
698 	struct bio *bio = bl->head;  in bio_list_get()
700 	bl->head = bl->tail = NULL;  in bio_list_get()