70     unsigned int root_tx;  member
94     } while (tx_id == XBT_NULL || tx_id == s->root_tx ||  in next_tx()
756                 if (op->s->root_tx != op->s->last_tx) {  in xs_node_walk()
757                     op->s->root_tx = next_tx(op->s);  in xs_node_walk()
951     tx->base_tx = s->root_tx;  in xs_impl_transaction_start()
1027     if (s->root_tx != tx->base_tx) {  in transaction_commit()
1033     s->root_tx = tx->tx_id;  in transaction_commit()
1385     s->root_tx = s->last_tx = 1;  in xs_impl_create()
1558     save_tree(&ss, s->root_tx, s->root);  in xs_impl_serialize()
1648     if (tx_id == us->s->root_tx) {  in lookup_tx_node()
1838     s->root_tx = s->last_tx = XBT_NULL;  in xs_impl_deserialize()