Re: CLONE_NEWNS and mount command?

[Al Viro]

On Thu, Apr 27, 2006 at 08:57:20AM -0400, Tom Horsley wrote:
> It disappeared from the mounts listed by the "mount" command
> in both the old and new namespace, but if I attempted to remount
> the system in the old namespace I get an error telling me it is
> already mounted (even though it doesn't show up). In the new
> namespace where I unmounted it, I can remount it (then it shows
> up again in the mount listing in both namespaces).
> 
> Should the /proc/mounts file be paying more attention to this
> "namespace" thing? Is this a bug, or just the way things happen
> to work out?

Huh?  a) /proc/mounts is the list for namespace of one who'd opened it
(it's a symlink to /proc/self/mounts).  b) are you sure that you do
not simply end up with chewing shared /etc/mtab?
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