-void lut_cb_last_committed(struct lu_target *, __u64, void *, int);
-void lut_cb_client(struct lu_target *, __u64, void *, int);
+int lut_last_commit_cb_add(struct thandle *th, struct lu_target *lut,
+ struct obd_export *exp, __u64 transno);
+int lut_new_client_cb_add(struct thandle *th, struct obd_export *exp);