- struct vlist_node *old_node = NULL;
- struct avl_node *anode;
- void *key = (char *) node + tree->key_offset;
-
- node->avl.key = key;
- node->version = tree->version;
-
- anode = avl_find(&tree->avl, key);
- if (anode) {
- old_node = container_of(anode, struct vlist_node, avl);
- if (tree->keep_old || tree->no_delete) {
- old_node->version = tree->version;
- goto update_only;
- }
-
- avl_delete(&tree->avl, anode);
- }
-
- avl_insert(&tree->avl, &node->avl);