NTSTATUS
CdCommonQueryVolInfo(
  IN  PIRP_CONTEXT IrpContext,
  IN  PIRP Irp
  );

Routine Description:

    This is the common routine for querying volume information called by both
    the fsd and fsp threads.

Arguments:

    Irp - Supplies the Irp being processed

Return Value:

    NTSTATUS - The return status for the operation