linux-kernel - Re: Failure! Re: [PATCH 0/4] 2.6.21-rc7 NFS writes: fix a series of issues

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Message-Id: <1177018242.6628.10.camel@heimdal.trondhjem.org>
Date:	Thu, 19 Apr 2007 17:30:42 -0400
From:	Trond Myklebust <Trond.Myklebust@...app.com>
To:	Florin Iucha <florin@...ha.net>
Cc:	chuck.lever@...cle.com, Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Adrian Bunk <bunk@...sta.de>,
	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	linux-kernel@...r.kernel.org
Subject: Re: Failure! Re: [PATCH 0/4] 2.6.21-rc7 NFS writes: fix a series
	of issues

On Thu, 2007-04-19 at 14:58 -0500, Florin Iucha wrote:
> On Thu, Apr 19, 2007 at 12:09:42PM -0400, Trond Myklebust wrote:
> > See
> >    http://client.linux-nfs.org/Linux-2.6.x/2.6.21-rc7/
> > 
> > I'm giving the first 5 patches of that series (i.e.
> > linux-2.6.21-001-cleanup_unstable_write.dif to
> > linux-2.6.21-005-fix_nfsv4_resend.dif) an extra beating since those are
> > the ones that I feel should go into 2.6.21 final in order to fix the
> > read/write regressions that have been reported. They should be identical
> > to the patches that I posted on lkml in the past 3 days.
> > 
> > Please feel free to grab them and give them a test.
> 
> The copy completed some time ago, but now I cannot ssh into the box!
> This is a new development, as before I was always able to ssh into,
> even when the copy slowed down to a trickle.
> 
> I'm far from the machine right now, so I will do some more tests
> tonight, but right now, the new patchset is not good.  What is the
> difference between reverting the patch you sent yesterday and your
> current fifth patch?  I assume the other four are identical, right?

The only difference is the way in which we handle retries of an NFSv4
request: the new patch disconnects if and only if a timeout has
occurred, or the server sends us garbage.

Trond
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