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

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Message-ID: <4BAA398C.5050901@panasas.com>
Date:	Wed, 24 Mar 2010 18:10:52 +0200
From:	Boaz Harrosh <bharrosh@...asas.com>
To:	Al Viro <viro@...IV.linux.org.uk>
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 03/24/2010 06:07 PM, Al Viro wrote:
> 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...


Good question, I'm just getting to that because currently it's all
over localhost (same kernel, BTW inside a UML)

I will try what you said. Please through any other tests on me, if needed.

Boaz

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