Re: Union file system

Andi Gutmans (andi@actcom.co.il)
Thu, 28 Nov 1996 16:58:21 +0200 (EET)


Hi,

Well I think "loopback" mounts are very useful. They allow you to
reorganize stuff acrros more than one partition without users seeing any
difference.
It's more powerful in that sense then symbolic links.
I am very much in favour. On sunos 4.1.3 it works like a charm.

Andi

On 28 Nov 1996, Matthias Urlichs wrote:

>
> In linux.dev.kernel, article <m0vSnkq-0004omC@pcpaul.wau.mis.ah.nl>,
> paul@wau.mis.ah.nl (Paul Slootman) writes:
> >
> > When I tried Yggdrasil's stuff a couple of years back, that distribution
> > has something called IFS ("Werner's Inherited File System", IIRC). This
> >
> > I recall that it worked quite well. Anyone know why it didn't get into
> > the mainstream kernel?
> >
> Because it was a total hack (just look at the source code), because it had
> unresolved bugs (like failing to free inodes under some unfathomable
> circumstances, which meant you were unable to unmount the file systems you
> used as source for your IFS mount at last startup), and because Linus
> thinks, quite rightly IMHO, that anything you can do with such a beast in
> the kernel, you can do even better with a preloaded shared library.
>
> --
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