Re: Persisting mounts between 'ip netns' invocations

[Nicolas Dichtel <nicolas.dichtel@6wind.com>]

Le 29/09/2023 à 11:25, Christian Brauner a écrit :
>> I fear that creating a new mount ns for each net ns will introduce more problems.
> 
> Not sure if we're talking past each other but that is what's happening
> now. Each new ip netns exec invocation will allocate a _new_ mount
> namespace. In other words, if you have 300 ip netns exec commands
> running then there will be 300 individual mount namespaces active.
> 
> What I tried to say is that ip netns exec could be changed to
> _optionally_ allocate a prepared mount namespace that is shared between
> ip netns exec commands. And yeah, that would need to be a new command
> line addition to ip netns exec.

Ok, you talked about changing 'ip netns exec', not adding an option, thus I
thought that you suggested adding this unconditionally ;-)

I was asking myself how to propagate mount points between the parent and 'ip
netns exec' (both way), but this may be another use case than Toke's use case.


Regards,
Nicolas