Re: [PATCH v2 1/2] nfs: don't share pNFS DS connections between net namespaces

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On Fri, 2025-04-11 at 09:57 -0400, Benjamin Coddington wrote:
> On 10 Apr 2025, at 16:42, Jeff Layton wrote:
> 
> > Currently, different NFS clients can share the same DS connections, even
> > when they are in different net namespaces. If a containerized client
> > creates a DS connection, another container can find and use it. When the
> > first client exits, the connection will which can lead to stalls in
> 
>                                          ^^ close ?
> 

Yes, thanks. Trond/Anna, can you fix before merging?

> > other clients.
> > 
> > Add a net namespace pointer to struct nfs4_pnfs_ds, and compare those
> > value to the caller's netns in _data_server_lookup_locked() when
> > searching for a nfs4_pnfs_ds to match.
> > 
> > Reported-by: Omar Sandoval <osandov@xxxxxxxxxxx>
> > Reported-by: Sargun Dillon <sargun@xxxxxxxxx>
> > Closes: https://lore.kernel.org/linux-nfs/Z_ArpQC_vREh_hEA@telecaster/
> > Tested-by: Sargun Dillon <sargun@xxxxxxxxx>
> > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> 
> Looks good to me,
> 
> Reviewed-by: Benjamin Coddington <bcodding@xxxxxxxxxx>
> 
> Ben
> 

Thank you!
-- 
Jeff Layton <jlayton@xxxxxxxxxx>





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