fb: remove fb_save_state() and fb_restore_state operations

[safe/jmp/linux-2.6] / include / linux / list.h

diff --git a/include/linux/list.h b/include/linux/list.h
index 1d109e2..969f6e9 100644 (file)
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -309,11 +309,11 @@ static inline void list_splice_init(struct list_head *list,
 }
 
 /**
- * list_splice_tail_init - join two lists, each list being a queue, and
- *     reinitialise the emptied list.
+ * list_splice_tail_init - join two lists and reinitialise the emptied list
  * @list: the new list to add.
  * @head: the place to add it in the first list.
  *
+ * Each of the lists is a queue.
  * The list at @list is reinitialised
  */
 static inline void list_splice_tail_init(struct list_head *list,
@@ -619,6 +619,19 @@ static inline void hlist_add_after(struct hlist_node *n,
                next->next->pprev  = &next->next;
 }
 
+/*
+ * Move a list from one list head to another. Fixup the pprev
+ * reference of the first entry if it exists.
+ */
+static inline void hlist_move_list(struct hlist_head *old,
+                                  struct hlist_head *new)
+{
+       new->first = old->first;
+       if (new->first)
+               new->first->pprev = &new->first;
+       old->first = NULL;
+}
+
 #define hlist_entry(ptr, type, member) container_of(ptr,type,member)
 
 #define hlist_for_each(pos, head) \