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-rw-r--r--include/linux/list.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/list.h b/include/linux/list.h
index 8e338828453..945daa1f13d 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -436,6 +436,20 @@ static inline void list_splice_init(struct list_head *list,
pos = n, n = list_entry(n->member.next, typeof(*n), member))
/**
+ * list_for_each_entry_safe_reverse - iterate backwards over list of given type safe against
+ * removal of list entry
+ * @pos: the type * to use as a loop counter.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_safe_reverse(pos, n, head, member) \
+ for (pos = list_entry((head)->prev, typeof(*pos), member), \
+ n = list_entry(pos->member.prev, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.prev, typeof(*n), member))
+
+/**
* list_for_each_rcu - iterate over an rcu-protected list
* @pos: the &struct list_head to use as a loop counter.
* @head: the head for your list.