189 	struct list_head *pos = entry2->prev;  in list_swap()  local
193 	if (pos == entry1)  in list_swap()
194 		pos = entry2;  in list_swap()
195 	list_add(entry1, pos);  in list_swap()
554 #define list_next_entry(pos, member) \  argument
555 	list_entry((pos)->member.next, typeof(*(pos)), member)
562 #define list_prev_entry(pos, member) \  argument
563 	list_entry((pos)->member.prev, typeof(*(pos)), member)
570 #define list_for_each(pos, head) \  argument
571 	for (pos = (head)->next; pos != (head); pos = pos->next)
580 #define list_for_each_continue(pos, head) \  argument
581 	for (pos = pos->next; pos != (head); pos = pos->next)
588 #define list_for_each_prev(pos, head) \  argument
589 	for (pos = (head)->prev; pos != (head); pos = pos->prev)
597 #define list_for_each_safe(pos, n, head) \  argument
598 	for (pos = (head)->next, n = pos->next; pos != (head); \
599 		pos = n, n = pos->next)
607 #define list_for_each_prev_safe(pos, n, head) \  argument
608 	for (pos = (head)->prev, n = pos->prev; \
609 	     pos != (head); \
610 	     pos = n, n = pos->prev)
618 #define list_entry_is_head(pos, head, member)				\  argument
619 	(&pos->member == (head))
627 #define list_for_each_entry(pos, head, member)				\  argument
628 	for (pos = list_first_entry(head, typeof(*pos), member);	\
629 	     !list_entry_is_head(pos, head, member);			\
630 	     pos = list_next_entry(pos, member))
638 #define list_for_each_entry_reverse(pos, head, member)			\  argument
639 	for (pos = list_last_entry(head, typeof(*pos), member);		\
640 	     !list_entry_is_head(pos, head, member); 			\
641 	     pos = list_prev_entry(pos, member))
651 #define list_prepare_entry(pos, head, member) \  argument
652 	((pos) ? : list_entry(head, typeof(*pos), member))
663 #define list_for_each_entry_continue(pos, head, member) 		\  argument
664 	for (pos = list_next_entry(pos, member);			\
665 	     !list_entry_is_head(pos, head, member);			\
666 	     pos = list_next_entry(pos, member))
677 #define list_for_each_entry_continue_reverse(pos, head, member)		\  argument
678 	for (pos = list_prev_entry(pos, member);			\
679 	     !list_entry_is_head(pos, head, member);			\
680 	     pos = list_prev_entry(pos, member))
690 #define list_for_each_entry_from(pos, head, member) 			\  argument
691 	for (; !list_entry_is_head(pos, head, member);			\
692 	     pos = list_next_entry(pos, member))
703 #define list_for_each_entry_from_reverse(pos, head, member)		\  argument
704 	for (; !list_entry_is_head(pos, head, member);			\
705 	     pos = list_prev_entry(pos, member))
714 #define list_for_each_entry_safe(pos, n, head, member)			\  argument
715 	for (pos = list_first_entry(head, typeof(*pos), member),	\
716 		n = list_next_entry(pos, member);			\
717 	     !list_entry_is_head(pos, head, member); 			\
718 	     pos = n, n = list_next_entry(n, member))
730 #define list_for_each_entry_safe_continue(pos, n, head, member) 		\  argument
731 	for (pos = list_next_entry(pos, member), 				\
732 		n = list_next_entry(pos, member);				\
733 	     !list_entry_is_head(pos, head, member);				\
734 	     pos = n, n = list_next_entry(n, member))
746 #define list_for_each_entry_safe_from(pos, n, head, member) 			\  argument
747 	for (n = list_next_entry(pos, member);					\
748 	     !list_entry_is_head(pos, head, member);				\
749 	     pos = n, n = list_next_entry(n, member))
761 #define list_for_each_entry_safe_reverse(pos, n, head, member)		\  argument
762 	for (pos = list_last_entry(head, typeof(*pos), member),		\
763 		n = list_prev_entry(pos, member);			\
764 	     !list_entry_is_head(pos, head, member); 			\
765 	     pos = n, n = list_prev_entry(n, member))
779 #define list_safe_reset_next(pos, n, member)				\  argument
780 	n = list_next_entry(pos, member)
974 #define hlist_for_each(pos, head) \  argument
975 	for (pos = (head)->first; pos ; pos = pos->next)
977 #define hlist_for_each_safe(pos, n, head) \  argument
978 	for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
979 	     pos = n)
992 #define hlist_for_each_entry(pos, head, member)				\  argument
993 	for (pos = hlist_entry_safe((head)->first, typeof(*(pos)), member);\
994 	     pos;							\
995 	     pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
1002 #define hlist_for_each_entry_continue(pos, member)			\  argument
1003 	for (pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member);\
1004 	     pos;							\
1005 	     pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
1012 #define hlist_for_each_entry_from(pos, member)				\  argument
1013 	for (; pos;							\
1014 	     pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
1023 #define hlist_for_each_entry_safe(pos, n, head, member) 		\  argument
1024 	for (pos = hlist_entry_safe((head)->first, typeof(*pos), member);\
1025 	     pos && ({ n = pos->member.next; 1; });			\
1026 	     pos = hlist_entry_safe(n, typeof(*pos), member))