Re: [PATCH v2 0/3] NFSD DRC fixes for v6.7-rc

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On Fri, 2023-11-10 at 11:28 -0500, Chuck Lever wrote:
> I've chased down the reported failures with krb5i/p. Essentially
> the DRC was broken for krb5i/p because of the extra crap those
> security flavors stick before and after the NFS headers.

Huh, so the reported failures were due to retransmissions?

> 
> These patches do address bugs in stable kernels, but they will need
> to be massaged, tested, and applied by hand to get there. Voting now
> open on whether it's worth the trouble for us to do it now, or wait
> until someone complains about a particular LTS problem.
> 
> ---
> 
> Chuck Lever (3):
>       NFSD: Fix "start of NFS reply" pointer passed to nfsd_cache_update()
>       NFSD: Update nfsd_cache_append() to use xdr_stream
>       NFSD: Fix checksum mismatches in the duplicate reply cache
> 
> 
>  fs/nfsd/cache.h    |  4 +--
>  fs/nfsd/nfscache.c | 87 +++++++++++++++++++++++++++-------------------
>  fs/nfsd/nfssvc.c   | 14 ++++++--
>  3 files changed, 65 insertions(+), 40 deletions(-)
> 
> --
> Chuck Lever
> 

Wow, nice work tracking those down. I'm sure that wasn't easy!

Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>




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