patch-2.4.23 linux-2.4.23/include/linux/list.h

• Lines: 20
• Date: 2003-11-28 10:26:21.000000000 -0800
• Orig file: linux-2.4.22/include/linux/list.h
• Orig date: 2002-11-28 15:53:15.000000000 -0800

diff -urN linux-2.4.22/include/linux/list.h linux-2.4.23/include/linux/list.h
@@ -227,6 +227,19 @@
 	     pos = list_entry(pos->member.next, typeof(*pos), member),	\
 		     prefetch(pos->member.next))
 
+/**
+ * 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.
+ * @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(pos, n, head, member)			\
+	for (pos = list_entry((head)->next, typeof(*pos), member),	\
+		n = list_entry(pos->member.next, typeof(*pos), member);	\
+	     &pos->member != (head); 					\
+	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
 #endif /* __KERNEL__ || _LVM_H_INCLUDE */
 
 #endif