/* add separate commit callback for transaction handling because we need
* export as parameter */
- mdt_trans_add_cb(txn, lut_cb_last_committed, mti->mti_exp);
+ mdt_trans_add_cb(txn, lut_cb_last_committed,
+ class_export_get(mti->mti_exp));
return mdt_last_rcvd_update(mti, txn);
}