g_dwBypassThreadID = PsGetCurrentThreadId();
		InitializeObjectAttributes(&oa, &pInstanceContext->ustrPhyDeviceName, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, 0, 0);
		ntStatus = ZwCreateFile(&hFileHandle, GENERIC_READ | GENERIC_WRITE, &oa, &IoStatus, NULL, FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_OPEN, FILE_SYNCHRONOUS_IO_NONALERT, NULL, 0);
		g_dwBypassThreadID = 0;
		if (STATUS_SUCCESS != ntStatus)
		{
			break;
		}
		if (hFileHandle != NULL)
		{
			ZwClose(hFileHandle);
			hFileHandle = NULL;
		}

		InitializeObjectAttributes(&oa, &pInstanceContext->ustrPhyDeviceName, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, 0, 0);
		ntStatus = FltCreateFileEx(g_pFilterObj, pRetInstance, &hFileHandle, &pFileObject, GENERIC_READ | GENERIC_WRITE, &oa, &IoStatus, NULL, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_OPEN, FILE_SYNCHRONOUS_IO_NONALERT | FILE_WRITE_THROUGH | FILE_NO_INTERMEDIATE_BUFFERING, NULL, 0, 0);//
		if (STATUS_SUCCESS != ntStatus)
		{
			break;
		}