Subject: Re: devfs, was Re: FreeBSD 5/6/7 kernel emulator for NetBSD 2.x
To: Bill Studenmund <>
From: Pavel Cahyna <>
List: tech-kern
Date: 10/28/2005 01:00:00
On Thu, Oct 27, 2005 at 03:49:42PM -0700, Bill Studenmund wrote:
> The "userland" in my text above would be the devfs setup code (script and 

Ah, I haven't understood that.

> data) that runs at boot to set devfs up as wanted. That code would use 
> locators to figure out that "sd3" really should be "sd6" and so forth. And 
> it would make changes to devfs such that it was so.
> Everything else in userland isn't going to change. cdrecord is still going 
> to open /dev/rcd0d.

What if the devfs implementation decides that "cd0" should be "cd1"? Now,
configuration files for such programs (most important example is
fsck, mount and /etc/fstab if as you say "sd3" moves to "sd6", but also
cdrdao, cdrecord etc.) will have to be changed.

Pavel Cahyna