Re: [stable] NFS client packet storm on 2.6.27.x

Kasparek Tomas
2009-07-24T08:54:45Z

On Mon, Jul 13, 2009 at 01:40:17PM -0400, Trond Myklebust wrote:
> > > I got no response so far, is there someone who could advise me what to do
> > > to get above patches to 2.6.27.x stable? Or is there some reason, why this
> > > is not possible at all?
> >
> > Can you backport them and send them to stable@kernel.org with the git
> > commit ids of the orignal patches?
>
> When testing at a customer site, we recently found that we actually need
> 4 patches in order to completely fix the storming problem in 2.6.27.y,
> and ensure a timely socket reconnect.
>
> commit 15f081ca8ddfe150fb639c591b18944a539da0fc (SUNRPC: Avoid an
> unnecessary task reschedule on ENOTCONN)
>
> commit 670f94573104b4a25525d3fcdcd6496c678df172 (SUNRPC: Ensure we set
> XPRT_CLOSING only after we've sent a tcp FIN...)
>
> commit 40d2549db5f515e415894def98b49db7d4c56714 (SUNRPC: Don't
> disconnect if a connection is still in progress.)
>
> and finally
>
> commit f75e6745aa3084124ae1434fd7629853bdaf6798 (SUNRPC: Fix the problem
> of EADDRNOTAVAIL syslog floods on reconnect)

Hi,

I checked that patches, all except f75e67... apply only with offset, but
the last one is a bit more ticky. Do you have these patches allready
backported for 2.7.27.x? If so, can you please send then to linux-nfs or
directly to me so I can test them?

Thanks in advance

--

Tomas Kasparek, PhD student E-mail: kasparek@fit.vutbr.cz
CVT FIT VUT Brno, L127 Web: http://www.fit.vutbr.cz/~kasparek
Bozetechova 1, 612 66 Fax: +420 54114-1270
Brno, Czech Republic Phone: +420 54114-1220

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