Followup to: <20000602223121.A7247@pcep-jamie.cern.ch>
By author: Jamie Lokier <lk@tantalophile.demon.co.uk>
In newsgroup: linux.dev.kernel
>
> For most uses, the illusion of multiple mounts is provided very nicely
> by symbolic links. It works, and programs which should not be confused
> can make a point of not following links. For example a program that
> does "rm -rf" in /tmp.
>
> So what use is mount -t bind?
>
> One use is to hide the fact that anything is linked. This it does very
> well. Disturbingly well :-) I don't know of a legitimate use for this
> though.
>
There is plenty -- the chief one is to provide the same namespace on a
whole collection of machines. autofs currently uses symlinks (well,
3.1.5 supports mount -t bind) and it is a neverending source of
complaints.
-hpa
-- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot."- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
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