BOOLEAN
CdFastUnlockSingle(
  IN  PFILE_OBJECT FileObject,
  IN  PLARGE_INTEGER FileOffset,
  IN  PLARGE_INTEGER Length,
      PEPROCESS ProcessId,
      ULONG Key,
  OUT PIO_STATUS_BLOCK IoStatus,
  IN  PDEVICE_OBJECT DeviceObject
  );

Routine Description:

    This is a call back routine for doing the fast unlock single call.

Arguments:

    FileObject - Supplies the file object used in this operation

    FileOffset - Supplies the file offset used in this operation

    Length - Supplies the length used in this operation

    ProcessId - Supplies the process ID used in this operation

    Key - Supplies the key used in this operation

    Status - Receives the Status if this operation is successful

Return Value:

    BOOLEAN - TRUE if this operation completed and FALSE if caller
        needs to take the long route.