X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Flinux%2Flist.h;h=969f6e92d0895a93b593829159bdef20220b0dcb;hb=0552f297951d0ab3a1027f9b06fa40c9be8378ba;hp=db35ef02e74522881a1d5b1e00ce993280e2178b;hpb=d3d0ba7b8fb8f57c33207adcb41f40c176148c03;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/list.h b/include/linux/list.h
index db35ef02e74..969f6e92d08 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -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) \