* \retval >= 0 amount of grant space allocated to the precreate request
* \retval -ENOSPC on failure
*/
-long tgt_grant_create(const struct lu_env *env, struct obd_export *exp, int *nr)
+long tgt_grant_create(const struct lu_env *env, struct obd_export *exp, s64 *nr)
{
struct lu_target *lut = exp->exp_obd->u.obt.obt_lut;
struct tg_grants_data *tgd = &lut->lut_tgd;