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SubjectRe: [PATCH 00/20] Mount writer count and read-only bind mounts (v3)
On Tue, Jun 27, 2006 at 06:50:36PM -0700, Dave Hansen wrote:
> > umm, what's it all for?
>
> Mostly for vserver, for now. They allow a filesystem to be r/w, but
> have r/o views into it. This is really handy so that every vserver can
> use a common install but still allow the administrator to update it.

It's useful for much more then just containers. Even with a plain chroot
or just any real multi-user system it's massively useful.

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