Commit fab97929 authored by Patrick Mochel's avatar Patrick Mochel

[list.h] Add list_for_each_entry_reverse

parent a4ff342a
...@@ -296,6 +296,20 @@ static inline void list_splice_init(struct list_head *list, ...@@ -296,6 +296,20 @@ static inline void list_splice_init(struct list_head *list,
pos = list_entry(pos->member.next, typeof(*pos), member), \ pos = list_entry(pos->member.next, typeof(*pos), member), \
prefetch(pos->member.next)) prefetch(pos->member.next))
/**
* list_for_each_entry_reverse - iterate backwards over list of given type.
* @pos: the type * to use as a loop counter.
* @head: the head for your list.
* @member: the name of the list_struct within the struct.
*/
#define list_for_each_entry_reverse(pos, head, member) \
for (pos = list_entry((head)->prev, typeof(*pos), member), \
prefetch(pos->member.prev); \
&pos->member != (head); \
pos = list_entry(pos->member.prev, typeof(*pos), member), \
prefetch(pos->member.prev))
/** /**
* list_for_each_entry_safe - iterate over list of given type safe against removal of list entry * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
* @pos: the type * to use as a loop counter. * @pos: the type * to use as a loop counter.
......
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