NTSTATUS
IoWritePartitionTableEx(
  IN  PDEVICE_OBJECT DeviceObject,
  IN  PDRIVE_LAYOUT_INFORMATION_EX DriveLayout
  );

Routine Description:

    Write a partition table to the disk.

Arguments:

    DeviceObject - The device object for the disk we want to write the
            partition table for.

    DriveLayout - The partition table information.

Return Values:

    NTSTATUS code.