Re: [PATCH] [Bug 16494] NFS client over TCP hangs due to packetloss

[Andrew Morton]

(cc linux-nfs)

On Tue, 03 Aug 2010 01:21:44 -0700 (PDT) David Miller <davem@xxxxxxxxxxxxx> wrote:

> From: "Andy Chittenden" <andyc.bluearc@xxxxxxxxx>
> Date: Tue, 3 Aug 2010 09:14:31 +0100
> 
> > I don't know whether this patch is the correct fix or not but it enables the
> > NFS client to recover.
> > 
> > Kernel version: 2.6.34.1 and 2.6.32.
> > 
> > Fixes <https://bugzilla.kernel.org/show_bug.cgi?id=16494>. It clears down
> > any previous shutdown attempts so that reconnects on a socket that's been
> > shutdown leave the socket in a usable state (otherwise tcp_sendmsg() returns
> > -EPIPE).
> 
> If the SunRPC code wants to close a TCP socket then use it again,
> it should disconnect by doing a connect() with sa_family == AF_UNSPEC
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