Lines Matching defs:exist
662 struct backref_node *exist = NULL;720 exist = edge->node[UPPER];725 if (!exist->checked)728 exist = NULL;749 WARN_ON(exist);771 if (exist &&773 exist->owner == key.offset) ||775 exist->bytenr == key.offset))) {776 exist = NULL;981 WARN_ON(exist);