rem: if (partition->CreateChild(*childID, index, &child) == B_OK)
add: if (partition->CreateChild(childID, index, &child) == B_OK)
context: create_child_partition(partition_id partitionID, int32 index,					   partition_id *childID){	KDiskDeviceManager *manager = KDiskDeviceManager::Default();	if (KPartition *partition = manager->FindPartition(partitionID)) {		KPartition *child = NULL;		if (partition->CreateChild(*childID, index, &child) == B_OK)			return child->PartitionData();	}	return NULL;}