]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/linux/list.h
[PATCH] change buffer_head.b_size to size_t
[linux-2.6-omap-h63xx.git] / include / linux / list.h
index 47208bd99f9e1c2ef6753e4b7d56739691531576..67258b47e9ca138e7a639a0a8745dad878164b42 100644 (file)
@@ -410,6 +410,17 @@ static inline void list_splice_init(struct list_head *list,
             prefetch(pos->member.next), &pos->member != (head);        \
             pos = list_entry(pos->member.next, typeof(*pos), member))
 
+/**
+ * list_for_each_entry_from -  iterate over list of given type
+ *                     continuing from existing point
+ * @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_from(pos, head, member)                    \
+       for (; prefetch(pos->member.next), &pos->member != (head);      \
+            pos = list_entry(pos->member.next, typeof(*pos), member))
+
 /**
  * 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.
@@ -437,6 +448,19 @@ static inline void list_splice_init(struct list_head *list,
             &pos->member != (head);                                            \
             pos = n, n = list_entry(n->member.next, typeof(*n), member))
 
+/**
+ * list_for_each_entry_safe_from - iterate over list of given type
+ *                     from existing point 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_from(pos, n, head, member)                    \
+       for (n = list_entry(pos->member.next, typeof(*pos), member);            \
+            &pos->member != (head);                                            \
+            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