[ 3.5.y.z extended stable ] Patch "vfs: Add a mount flag to lock read only bind mounts" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Thu Apr 4 08:56:23 UTC 2013


On Wed, Apr 03, 2013 at 04:03:27PM -0700, Eric W. Biederman wrote:
> Luis Henriques <luis.henriques at canonical.com> writes:
> 
> > This is a note to let you know that I have just added a patch titled
> >
> >     vfs: Add a mount flag to lock read only bind mounts
> >
> > to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
> > which can be found at:
> >
> >  http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue
> >
> > If you, or anyone else, feels it should not be added to this tree, please 
> > reply to this email.
> >
> > For more information about the 3.5.y.z tree, see
> > https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
> 
> This is harmless but the commit that makes this necessary is the commit
> that allows unprivileged changes to the user namespace in 3.8 Aka:
> 
> 
>     commit 0c55cfc4166d9a0f38de779bd4d75a90afbe7734
>     Author: Eric W. Biederman <ebiederm at xmission.com>
>     Date:   Thu Jul 26 21:42:03 2012 -0700
>      
>         vfs: Allow unprivileged manipulation of the mount namespace.
> 
> So I believe this is a useless backport.

Hmm, right.  This patch is indeed pointless.  I'll drop it.

Thanks a lot for your feedback.

Cheers,
--
Luis




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