1224 	dsl_dataset_t *fromds = NULL;  in dmu_send_obj()  local
1243 		err = dsl_dataset_hold_obj(dp, fromsnap, FTAG, &fromds);  in dmu_send_obj()
1249 		if (!dsl_dataset_is_before(ds, fromds, 0)) {  in dmu_send_obj()
1251 			dsl_dataset_rele(fromds, FTAG);  in dmu_send_obj()
1258 		    dsl_dataset_phys(fromds)->ds_creation_time;  in dmu_send_obj()
1259 		zb.zbm_creation_txg = dsl_dataset_phys(fromds)->ds_creation_txg;  in dmu_send_obj()
1260 		zb.zbm_guid = dsl_dataset_phys(fromds)->ds_guid;  in dmu_send_obj()
1262 		if (dsl_dataset_is_zapified(fromds)) {  in dmu_send_obj()
1264 			    fromds->ds_object, DS_FIELD_IVSET_GUID, 8, 1,  in dmu_send_obj()
1268 		is_clone = (fromds->ds_dir != ds->ds_dir);  in dmu_send_obj()
1269 		dsl_dataset_rele(fromds, FTAG);  in dmu_send_obj()
1332 			dsl_dataset_t *fromds;  in dmu_send()  local
1333 			err = dsl_dataset_hold(dp, fromsnap, FTAG, &fromds);  in dmu_send()
1335 				if (!dsl_dataset_is_before(ds, fromds, 0))  in dmu_send()
1338 				    dsl_dataset_phys(fromds)->ds_creation_time;  in dmu_send()
1340 				    dsl_dataset_phys(fromds)->ds_creation_txg;  in dmu_send()
1341 				zb.zbm_guid = dsl_dataset_phys(fromds)->ds_guid;  in dmu_send()
1342 				is_clone = (ds->ds_dir != fromds->ds_dir);  in dmu_send()
1344 				if (dsl_dataset_is_zapified(fromds)) {  in dmu_send()
1346 					    fromds->ds_object,  in dmu_send()
1350 				dsl_dataset_rele(fromds, FTAG);  in dmu_send()
1436 dmu_send_estimate(dsl_dataset_t *ds, dsl_dataset_t *fromds,  in dmu_send_estimate()  argument
1450 	if (fromds != NULL && !fromds->ds_is_snapshot)  in dmu_send_estimate()
1457 	if (fromds != NULL && !dsl_dataset_is_before(ds, fromds, 0))  in dmu_send_estimate()
1461 	if (fromds == NULL) {  in dmu_send_estimate()
1466 		err = dsl_dataset_space_written(fromds, ds,  in dmu_send_estimate()