194 	struct rb_node *parent = NULL, *tmp_node;  in __lookup_extent_node_ret()  local
228 	tmp_node = parent;  in __lookup_extent_node_ret()
230 		tmp_node = rb_next(parent);  in __lookup_extent_node_ret()
231 	*next_entry = rb_entry_safe(tmp_node, struct extent_node, rb_node);  in __lookup_extent_node_ret()
233 	tmp_node = parent;  in __lookup_extent_node_ret()
235 		tmp_node = rb_prev(parent);  in __lookup_extent_node_ret()
236 	*prev_entry = rb_entry_safe(tmp_node, struct extent_node, rb_node);  in __lookup_extent_node_ret()
242 		tmp_node = rb_prev(&en->rb_node);  in __lookup_extent_node_ret()
243 		*prev_entry = rb_entry_safe(tmp_node,  in __lookup_extent_node_ret()
248 		tmp_node = rb_next(&en->rb_node);  in __lookup_extent_node_ret()
249 		*next_entry = rb_entry_safe(tmp_node,  in __lookup_extent_node_ret()