Subject: Re: Cloning bdev/cdev devices, step one
To: Bill Sommerfeld <>
From: Bill Studenmund <>
List: tech-kern
Date: 07/10/2000 14:16:31
[trimmed cc list a little]

On Mon, 10 Jul 2000, Bill Sommerfeld wrote:

> > How would you address the biggest concern I've heard with devfs - how to
> > handle permissions in a persistent manner?
> I'd tackle something like that with something which looked vaguely
> like a union of ffs mounted on top of devfs; the ffs layer would
> provide the persistance.

But if the dev_t's are dynamic, how does an ffs provide persistence - how
would a future boot know what device all of these nodes with permissions
were for? i.e. how do we preserve some sort of permanent mapping/labeling
of devices?

Take care,