Dynamic root.afs (was Re: [OpenAFS] Directory layout for new cells)

[Neulinger, Nathan R.]

> I would certainly prefer not to include DNS directly in the kernel
> module, which implies a callback to some user-space process to perform
> the DNS request.  I'm not sure how this would work, except, perhaps,
> another afsd thread that sits waiting for 'callbacks' from the kernel?

Why get so complicated? Just have the existing 'afsd' trap requests for the
'root.afs' volume and handle them internally. If you make this an option -
people can still choose to continue using a REAL root.afs volume, or they
can have afsd build a virtual one instead.

-- Nathan