Messages in this thread | | | Date | Wed, 28 Feb 2001 13:07:29 -0500 (EST) | From | Alexander Viro <> | Subject | Re: [PATCH][CFT] per-process namespaces for Linux |
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On Wed, 28 Feb 2001, David L. Parsley wrote:
> Alexander Viro wrote: > > > Evil idea of the day: non-directory (even non-existant) mount points and > > > non-directory mounts. So then "mount --bind /etc/foo /dev/bar" works. > > > > Try it. It _does_ work. > > Yeah, mount --bind is cool, I've been using it on one of my projects > today. But - maybe I'm just not thinking creatively enough - what are > the advantages of mount --bind versus just symlinking?
1) Correctly working ".." (obviously relevant only for directories) 2) Try to create symlinks on read-only NFS mount. For bonus points, try to do that one one client without disturbing everybody else. 3) Try to make it different for different users, for that matter.
> Also, I tried mount --bind fileone filetwo, and it fails if filetwo > doesn't exist. ('mount point filetwo doesn't exist'). Is that supposed > to work? (using mount from latest redhat beta)
Nope. It does exactly what it should - changing that is a too large can of worms I simply don't want to touch.
> BTW, pivot_root is nifty, too. ;-)
Thank Werner for that ;-)
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