linux-kernel - Re: [GIT BISECT] first bad commit: 1f36f774 Switch !O_CREAT case to use of do

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Message-ID: <20100324160754.GQ30031@ZenIV.linux.org.uk>
Date:	Wed, 24 Mar 2010 16:07:54 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Boaz Harrosh <bharrosh@...asas.com>
Cc:	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	pNFS Mailing List <pnfs@...ux-nfs.org>,
	Benny Halevy <bhalevy@...asas.com>,
	"J. Bruce Fields" <bfields@...i.umich.edu>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [GIT BISECT] first bad commit: 1f36f774 Switch !O_CREAT case to
 use of do_last()

On Wed, Mar 24, 2010 at 06:04:56PM +0200, Boaz Harrosh wrote:
> > Bloody impressive...  Does that happen to underlying fs or to what you
> > are seeing via NFS?
> 
> Only via NFS. All local access is fine.
> 
> After the corruption above I can cd to the local mount cp a fresh copy
> of .git/index file and play around just fine.
> Once I return to the NFS mounted directory, a git status will do it.
> It does not matter if caches are cold (Takes a long time) or hot it happens
> every time.
> 
> Weird I know, I'm playing some more with it as we speak

What happens if you export to box running older kernel *or* from box
running older kernel?  IOW, is that nfsd or nfs client getting unhappy?
I'd suspect the latter, but...
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