Subject: Re: phasing out mfs; make init(8) use tmpfs?
To: None <>
From: Geoff Wing <>
List: tech-kern
Date: 02/16/2007 00:38:23
David Young <> typed:
: On Thu, Feb 15, 2007 at 11:55:51PM +0000, Geoff Wing wrote:
:> It doesn't have whitespace objects (so you can't do upper layer union mounts
:> with it).
: Do you use union mounts in this way on /dev/, today, or is this purely
: hypothetical? 

I personally don't.  Does fdesc work OK?

:                I ask because I have never been able to rely on union
: mounts for anything, although it is my understanding that reliably may
: have improved with recent changes by Chuck Silvers.

This is not really related to your proposed change however I use union
mounts mfs over ffs every time I build a kernel or build pkgsrc stuff.
(Using mfs I can always start with a clean slate.)  And union lfs on ffs
for building the main src tree.  It works beautifully for my needs.