Re: UUIDs (and devfs and major/minor numbers)
H. Peter Anvin (hpa@transmeta.com)
Fri, 18 Jun 1999 01:07:52 -0700
Richard Gooch wrote:
>
> H. Peter Anvin writes:
> > Dan Hollis wrote:
> > > 1) you can also symlink devfs.
> > > 2) devfs still has permissions.
> >
> > Yes, and they go away every time, completely nullifying the utility.
> > In short, YES YOU CAN DO IT. It's no longer a clean solution, but
> > nothing but a gross hack.
>
> It's completely untrue that persistence for devfs is a gross hack. It
> is true that the current user space scheme (using tar) is a hack. And
> I've had plans right from the start to address that. But that is a
> user space issue and shouldn't be held against devfs.
>
> With devfsd, I have a very nice way of implementing persistence. I can
> support the existing semantics, where a sysadmin goes in and manually
> changes things, and I already support a more powerful scheme where
> groups of device entries are "saved".
>
> Regards,
>
> Richard....
In other words, you can implement what traditional filesystems can do.
We know that. It also means devfs is superfluous. You might as well
have a devmgr process with no need for a devfs at all.
-hpa
--
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