Re: [PATCH v3 015/114] nfsd: Allow struct nfsd4_compound_state to cache the nfs4_client

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On Thu, Jul 03, 2014 at 04:32:59PM -0400, J. Bruce Fields wrote:
> On Mon, Jun 30, 2014 at 11:48:44AM -0400, Jeff Layton wrote:
> > We want to use the nfsd4_compound_state to cache the nfs4_client in
> > order to optimise away extra lookups of the clid.
> > 
> > In the v4.0 case, we use this to ensure that we only have to look up the
> > client at most once per compound for each call into lookup_clientid. For
> > v4.1+ we set the pointer in the cstate during SEQUENCE processing so we
> > should never need to do a search for it.
> 
> The connectathon locking test is failing for me in the nfsv4/krb5i case
> as of this commit.
> 
> Which makes no sense to me whatsoever, so it's entirely possible this is
> some unrelated problem on my side.  I'll let you know when I've figured
> out anything more.

It's intermittent.

I've reproduced it on the previous commit so I know at least that this
one isn't at fault.

I doubt it's really dependent on krb5i, at most that's probably just
making it more likely to reproduce.

--b.
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