VOID
NTIoComplete(
  IN  PIRP            pIrp,
  IN  NTSTATUS        Status,
  IN  ULONG           SentLength
  );
Routine Description:

    This Routine handles calling the NT I/O system to complete an I/O.

Arguments:

    status - a completion status for the Irp

Return Value:

    NTSTATUS - status of the request