VOID
CdCleanupIrpContext(
  IN  PIRP_CONTEXT IrpContext,
  IN  BOOLEAN Post
  );

Routine Description:

    This routine is called to cleanup and possibly deallocate the Irp Context.
    If the request is being posted or this Irp Context is possibly on the
    stack then we only cleanup any auxilary structures.

Arguments:

    Post - TRUE if we are posting this request, FALSE if we are deleting
        or retrying this in the current thread.

Return Value:

    None.