DAOS-18487 object: amplify credits also for data from parity shard

Signed-off-by: Liang Zhen <gnailzenh@gmail.com>

Author: gnailzenh

src/object/srv_obj_migrate.c

@@ -2023,6 +2023,7 @@ migrate_one_ult(void *arg)
 	}
 
 	data_size = daos_iods_len(mrone->mo_iods, mrone->mo_iod_num);
+	data_size += daos_iods_len(mrone->mo_iods_from_parity, mrone->mo_iods_num_from_parity);
 	if (daos_oclass_is_ec(&mrone->mo_oca)) {
 		/* NB: this is a workaround for EC object:
 		 * The fetch buffer is taken from a pre-registered (R)DMA buffer;
@@ -2038,8 +2039,6 @@ migrate_one_ult(void *arg)
 		 */
 		degraded_size = data_size * MIN(8, obj_ec_data_tgt_nr(&mrone->mo_oca));
 	}
-	data_size += daos_iods_len(mrone->mo_iods_from_parity,
-				   mrone->mo_iods_num_from_parity);
 
 	D_DEBUG(DB_TRACE, DF_RB ": mrone %p data size is " DF_U64 " %d/%d\n", DP_RB_MPT(tls), mrone,
 		data_size, mrone->mo_iod_num, mrone->mo_iods_num_from_parity);