#define list_for_each_rev(h, i, member) \
list_for_each_rev_off(h, i, list_off_var_(i, member))
+/**
+ * list_for_each_rev_safe - iterate through a list backwards,
+ * maybe during deletion
+ * @h: the list_head
+ * @i: the structure containing the list_node
+ * @nxt: the structure containing the list_node
+ * @member: the list_node member of the structure
+ *
+ * This is a convenient wrapper to iterate @i over the entire list backwards.
+ * It's a for loop, so you can break and continue as normal. The extra
+ * variable * @nxt is used to hold the next element, so you can delete @i
+ * from the list.
+ *
+ * Example:
+ * struct child *next;
+ * list_for_each_rev_safe(&parent->children, child, next, list) {
+ * printf("Name: %s\n", child->name);
+ * }
+ */
+#define list_for_each_rev_safe(h, i, nxt, member) \
+ list_for_each_rev_safe_off(h, i, nxt, list_off_var_(i, member))
+
/**
* list_for_each_safe - iterate through a list, maybe during deletion
* @h: the list_head
* @nxt is used to hold the next element, so you can delete @i from the list.
*
* Example:
- * struct child *next;
* list_for_each_safe(&parent->children, child, next, list) {
* list_del(&child->list);
* parent->num_children--;
#define list_for_each_safe_off(h, i, nxt, off) \
list_for_each_safe_off_dir_((h),(i),(nxt),(off),next)
+/**
+ * list_for_each_rev_safe_off - iterate backwards through a list of
+ * memory regions, maybe during deletion
+ * @h: the list_head
+ * @i: the pointer to a memory region wich contains list node data.
+ * @nxt: the structure containing the list_node
+ * @off: offset(relative to @i) at which list node data resides.
+ *
+ * For details see `list_for_each_rev_off' and `list_for_each_rev_safe'
+ * descriptions.
+ *
+ * Example:
+ * list_for_each_rev_safe_off(&parent->children, child,
+ * next, offsetof(struct child, list))
+ * printf("Name: %s\n", child->name);
+ */
+#define list_for_each_rev_safe_off(h, i, nxt, off) \
+ list_for_each_safe_off_dir_((h),(i),(nxt),(off),prev)
+
/* Other -off variants. */
#define list_entry_off(n, type, off) \
((type *)list_node_from_off_((n), (off)))