VOID
CdInitializeMcb(
  IN  PIRP_CONTEXT IrpContext,
  IN  PFCB Fcb
  );

Routine Description:

    This routine is called to initialize the Mcb in an Fcb.  We initialize
    this with an entry count of one and point to the entry in the Fcb
    itself.

    Fcb should be acquired exclusively when this is called.

Arguments:

    Fcb - Fcb containing the Mcb to initialize.

Return Value:

    None