128 	struct rb_node *parent = NULL, *tmp_node;  in f2fs_lookup_rb_tree_ret()  local
166 	tmp_node = parent;  in f2fs_lookup_rb_tree_ret()
168 		tmp_node = rb_next(parent);  in f2fs_lookup_rb_tree_ret()
169 	*next_entry = rb_entry_safe(tmp_node, struct rb_entry, rb_node);  in f2fs_lookup_rb_tree_ret()
171 	tmp_node = parent;  in f2fs_lookup_rb_tree_ret()
173 		tmp_node = rb_prev(parent);  in f2fs_lookup_rb_tree_ret()
174 	*prev_entry = rb_entry_safe(tmp_node, struct rb_entry, rb_node);  in f2fs_lookup_rb_tree_ret()
180 		tmp_node = rb_prev(&re->rb_node);  in f2fs_lookup_rb_tree_ret()
181 		*prev_entry = rb_entry_safe(tmp_node, struct rb_entry, rb_node);  in f2fs_lookup_rb_tree_ret()
185 		tmp_node = rb_next(&re->rb_node);  in f2fs_lookup_rb_tree_ret()
186 		*next_entry = rb_entry_safe(tmp_node, struct rb_entry, rb_node);  in f2fs_lookup_rb_tree_ret()