VOID
CdUpdateVcbFromVolDescriptor(
  IN  PIRP_CONTEXT IrpContext,
  IN OUT PVCB Vcb,
  IN  PCHAR RawIsoVd OPTIONAL
  );

Routine Description:

    This routine is called to perform the final initialization of a Vcb from the
    volume descriptor on the disk.

Arguments:

    Vcb - Vcb for the volume being mounted.  We have already set the flags for the
        type of descriptor.

    RawIsoVd - If specified this is the volume descriptor to use to mount the
        volume.  Not specified for a raw disk.

Return Value:

    None