linux-kernel - Re: 2.6.24-rc3-git4 NFS crossmnt regression

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Message-Id: <200712080043.29292.rjw@sisk.pl>
Date:	Sat, 8 Dec 2007 00:43:28 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Trond Myklebust <trond.myklebust@....uio.no>, gnome42@...il.com,
	linux-kernel@...r.kernel.org, bfields@...ldses.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Denis V. Lunev" <den@...nvz.org>
Subject: Re: 2.6.24-rc3-git4 NFS crossmnt regression

On Saturday, 8 of December 2007, Andrew Morton wrote:
> On Fri, 07 Dec 2007 17:51:58 -0500
> Trond Myklebust <trond.myklebust@....uio.no> wrote:
> 
> > 
> > On Fri, 2007-12-07 at 14:39 -0500, Shane wrote:
> > > On Dec 7, 2007 2:16 PM, Shane <gnome42@...il.com> wrote:
> > > ...
> > > > Confirmed working in rc4-git5.  I'll deploy this kernel in a few more
> > > > spots and check for other regressions.
> > > 
> > > Hmm, I installed a new kernel built from the same sources on the NFS
> > > server. And now I don't see anything at all in the crossmnt dirs.
> > > 
> > > ls /dirA/dirB/dirC  --> zero output (empty dir)
> > > 
> > > Are there any other pending fixes?
> > > 
> > > Shane
> > 
> > You've probably fallen afoul of 
> > 
> >    http://bugzilla.kernel.org/show_bug.cgi?id=9504
> > 
> 
> Yeah.
> 
> I have a tentative fix below but I can't seem to get Eric and Denis to get
> a suitable fix nailed down.  It's urgent!

Well, how about asking Linus to revert commit
2b1e300a9dfc3196ccddf6f1d74b91b7af55e416 altogether and starting over again?

It apparently causes more trouble than the issue it was supposed to fix.

I've already reopened http://bugzilla.kernel.org/show_bug.cgi?id=9411 and I'll
regard it as unfixed from now on.
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