struct rb_node *nm_rb_first_postorder(const struct rb_root *root);
void nodemap_getref(struct lu_nodemap *nodemap);
void nodemap_putref(struct lu_nodemap *nodemap);
+int nm_hash_list_cb(struct cfs_hash *hs, struct cfs_hash_bd *bd,
+ struct hlist_node *hnode,
+ void *nodemap_list_head);
#define nm_rbtree_postorder_for_each_entry_safe(pos, n, \
root, field) \