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Re: ShadowFS (status)


From: Neal H Walfield
Subject: Re: ShadowFS (status)
Date: Fri, 3 Aug 2001 16:44:04 +0200
User-agent: Mutt/1.3.18i

> > Let us take a look at what others have done.  E.g.:
> > 
> >  - http://www.cs.helsinki.fi/linux/linux-kernel/Year-2000/2000-23/0791.html
> 
> Have you actually read the discussion?

Yes.

> It doesn't seem to be helpful to us.
> Busy is a concept that is defined by translators themselve.  We hold (or
> should hold) ports to the underlying filesystems, so they will all be
> "busy".

They talk about what stat should return and a few other issues that I
felt were related.

> If you just wanted to point out that there are other union mounts
> implementations, well, that's true.

Admittedly, that was one of my goals.

> The BSD guys have one, too.

From what I understand, theirs is a bit different in so far as they have
a live filesystem backed by a static, read-only, file system, for, e.g.,
having the root filesystem on a cd and making a small ramdisk where
changes are stored.

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