175 	struct list_head *pos = entry2->prev;  in list_swap()  local
179 	if (pos == entry1)  in list_swap()
180 		pos = entry2;  in list_swap()
181 	list_add(entry1, pos);  in list_swap()
522 #define list_next_entry(pos, member) \  argument
523 	list_entry((pos)->member.next, typeof(*(pos)), member)
530 #define list_prev_entry(pos, member) \  argument
531 	list_entry((pos)->member.prev, typeof(*(pos)), member)
538 #define list_for_each(pos, head) \  argument
539 	for (pos = (head)->next; pos != (head); pos = pos->next)
546 #define list_for_each_prev(pos, head) \  argument
547 	for (pos = (head)->prev; pos != (head); pos = pos->prev)
555 #define list_for_each_safe(pos, n, head) \  argument
556 	for (pos = (head)->next, n = pos->next; pos != (head); \
557 		pos = n, n = pos->next)
565 #define list_for_each_prev_safe(pos, n, head) \  argument
566 	for (pos = (head)->prev, n = pos->prev; \
567 	     pos != (head); \
568 	     pos = n, n = pos->prev)
576 #define list_for_each_entry(pos, head, member)				\  argument
577 	for (pos = list_first_entry(head, typeof(*pos), member);	\
578 	     &pos->member != (head);					\
579 	     pos = list_next_entry(pos, member))
587 #define list_for_each_entry_reverse(pos, head, member)			\  argument
588 	for (pos = list_last_entry(head, typeof(*pos), member);		\
589 	     &pos->member != (head); 					\
590 	     pos = list_prev_entry(pos, member))
600 #define list_prepare_entry(pos, head, member) \  argument
601 	((pos) ? : list_entry(head, typeof(*pos), member))
612 #define list_for_each_entry_continue(pos, head, member) 		\  argument
613 	for (pos = list_next_entry(pos, member);			\
614 	     &pos->member != (head);					\
615 	     pos = list_next_entry(pos, member))
626 #define list_for_each_entry_continue_reverse(pos, head, member)		\  argument
627 	for (pos = list_prev_entry(pos, member);			\
628 	     &pos->member != (head);					\
629 	     pos = list_prev_entry(pos, member))
639 #define list_for_each_entry_from(pos, head, member) 			\  argument
640 	for (; &pos->member != (head);					\
641 	     pos = list_next_entry(pos, member))
652 #define list_for_each_entry_from_reverse(pos, head, member)		\  argument
653 	for (; &pos->member != (head);					\
654 	     pos = list_prev_entry(pos, member))
663 #define list_for_each_entry_safe(pos, n, head, member)			\  argument
664 	for (pos = list_first_entry(head, typeof(*pos), member),	\
665 		n = list_next_entry(pos, member);			\
666 	     &pos->member != (head); 					\
667 	     pos = n, n = list_next_entry(n, member))
679 #define list_for_each_entry_safe_continue(pos, n, head, member) 		\  argument
680 	for (pos = list_next_entry(pos, member), 				\
681 		n = list_next_entry(pos, member);				\
682 	     &pos->member != (head);						\
683 	     pos = n, n = list_next_entry(n, member))
695 #define list_for_each_entry_safe_from(pos, n, head, member) 			\  argument
696 	for (n = list_next_entry(pos, member);					\
697 	     &pos->member != (head);						\
698 	     pos = n, n = list_next_entry(n, member))
710 #define list_for_each_entry_safe_reverse(pos, n, head, member)		\  argument
711 	for (pos = list_last_entry(head, typeof(*pos), member),		\
712 		n = list_prev_entry(pos, member);			\
713 	     &pos->member != (head); 					\
714 	     pos = n, n = list_prev_entry(n, member))
728 #define list_safe_reset_next(pos, n, member)				\  argument
729 	n = list_next_entry(pos, member)
849 #define hlist_for_each(pos, head) \  argument
850 	for (pos = (head)->first; pos ; pos = pos->next)
852 #define hlist_for_each_safe(pos, n, head) \  argument
853 	for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
854 	     pos = n)
867 #define hlist_for_each_entry(pos, head, member)				\  argument
868 	for (pos = hlist_entry_safe((head)->first, typeof(*(pos)), member);\
869 	     pos;							\
870 	     pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
877 #define hlist_for_each_entry_continue(pos, member)			\  argument
878 	for (pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member);\
879 	     pos;							\
880 	     pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
887 #define hlist_for_each_entry_from(pos, member)				\  argument
888 	for (; pos;							\
889 	     pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
898 #define hlist_for_each_entry_safe(pos, n, head, member) 		\  argument
899 	for (pos = hlist_entry_safe((head)->first, typeof(*pos), member);\
900 	     pos && ({ n = pos->member.next; 1; });			\
901 	     pos = hlist_entry_safe(n, typeof(*pos), member))