Re: [PATCH v2 00/12] make rpc_pipefs be mountable multiple time

[Rob Landley]

On 12/31/2010 10:54 AM, Trond Myklebust wrote:
> > I'm kind of surprised that the kernel cares about a specific path under
> > /var/lib.  (Seems like policy in the kernel somehow.)  Can't it just
> > check the current process's mount list to see if an instance of
> > rpc_pipefs is mounted in the current namespace the way lxc looks for
> > cgroups?  Or are there potential performance/scalability issues with that?
>
> The kernel doesn't give a damn about the /var/lib/nfs/rpc_pipefs bit.
> That's all for the benefit of the userland utilities.

Are you saying that if you go into a container and that mount point 
doesn't exist, the kernel will still be able to find and use rpc_pipefs? 
 Without userspace creating a specific magic path and mounting a 
filesystem on it?

If so, I misread the patch...

Rob

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