Re: devfs - why not ?

[Richard Gooch]

Peter Samuelson writes:
> 
> [Horst von Brand <[e-mail]>]
> > You can then also painlessly set (and preserve) permissions on the
> > device in the filessytem.  Cost is one inode on disk per device.
> 
> Wait -- don't chown/chmod/mknod also generate devfsd events?  Why can't

Yes.

> devfsd take those events and operate on a parallel directory tree?
> And

It can. All the mechanism is there.

> then use that parallel tree to chmod/chown next time the device
> inserts itself, i.e. after insmod or reboot.  (Remember, devfsd is
> notified on every file creation, if it cares.)  No tar kludge
> involved.

Correct.

> I could have sworn this was Richard's idea, not mine.  devfsd,

Yes, I think it was.

> properly implemented, can solve a *lot* of these problems.  If the
> current devfsd is a WIP, don't blame it on devfs design problems.

You can do it now. Sure, you may need to write a script to support
this, but the mechanism is there.

				Regards,

					Richard....
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