215 	struct rb_node *parent = NULL, *tmp_node;  in __lookup_extent_node_ret()  local
249 	tmp_node = parent;  in __lookup_extent_node_ret()
251 		tmp_node = rb_next(parent);  in __lookup_extent_node_ret()
252 	*next_entry = rb_entry_safe(tmp_node, struct extent_node, rb_node);  in __lookup_extent_node_ret()
254 	tmp_node = parent;  in __lookup_extent_node_ret()
256 		tmp_node = rb_prev(parent);  in __lookup_extent_node_ret()
257 	*prev_entry = rb_entry_safe(tmp_node, struct extent_node, rb_node);  in __lookup_extent_node_ret()
263 		tmp_node = rb_prev(&en->rb_node);  in __lookup_extent_node_ret()
264 		*prev_entry = rb_entry_safe(tmp_node,  in __lookup_extent_node_ret()
269 		tmp_node = rb_next(&en->rb_node);  in __lookup_extent_node_ret()
270 		*next_entry = rb_entry_safe(tmp_node,  in __lookup_extent_node_ret()