[OpenAFS] Implied 'a' rights?

[Patrick J. LoPresti]

"Neulinger, Nathan" <nneul@umr.edu> writes:

> > In my ideal world, having 'a' rights on a directory would
> > automatically imply 'a' rights to every directory within.  That would
> > allow us to dish out administrative control from any point in AFS
> > space all the way down.
> 
> It does, but for obvious reasons, it doesn't cross mount points. (It
> doesn't actually grant the A right, but you can certainly grant it
> yourself.)

Forgive me, but I do not see how that is obvious.  Even if a volume is
mounted in multiple places, the ".." entry in that volume refers to
*something*; you could allow 'a' rights on that something to imply 'a'
rights on the volume.

What am I missing?

 - Pat