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Date:      Thu, 2 Jul 2009 16:08:25 -0400 (EDT)
From:      Mike Andrews <mandrews@bit0.com>
To:        Danny Braniss <danny@cs.huji.ac.il>
Cc:        Rick Romero <rick@havokmon.com>, Jaakko Heinonen <jh@saunalahti.fi>, freebsd-stable@freebsd.org, Andriy Gapon <avg@icyb.net.ua>, Gavin Atkinson <gavin@FreeBSD.org>
Subject:   Re: kern/135412: [zfs] [nfs] zfs(v13)+nfs and open(...,  O_WRONLY|O_CREAT|O_EXCL, ...)
Message-ID:  <alpine.BSF.2.00.0907021607130.63453@beast.int.bit0.com>
In-Reply-To: <E1MLw2u-000Bi0-K1@kabab.cs.huji.ac.il>
References:  <E1MLbya-000P4e-Qd@kabab.cs.huji.ac.il> <20090630155437.GA42783@a91-153-125-115.elisa-laajakaista.fi> <4A4A6358.1010806@bit0.com> <20090701090818.GA1391@a91-153-125-115.elisa-laajakaista.fi> <E1MLw2u-000Bi0-K1@kabab.cs.huji.ac.il>

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On Wed, 1 Jul 2009, Danny Braniss wrote:

>> On 2009-06-30, Mike Andrews wrote:
>>> Jaakko Heinonen wrote:
>>>> On 2009-06-30, Danny Braniss wrote:
>>>>> 	This pr is realy holding me back, I can't upgrade this server, and
>>>>> telling serveral tens of users to us cp, etc is not an option. The open
>>>>> works fine if not using O_EXCL.
>>>>
>>>> I guess that r185586 needs to be MFCd to stable/7. Here's an untested
>>>> patch against stable/7:
>>>
>>> The patch doesn't help over here, sorry.
>>>
>>> Simply doing 'touch' or 'mv' to an NFSv3 mount (using either a v6 or v13
>>> zpool) is the test case I've been using; touch doesn't even use O_EXCL as
>>> far as I can tell.
>>
>> I could reproduce the problem with O_EXCL and verified that the patch
>> fixes it. However I couldn't reproduce the problem you are seeing with
>> touch and mv.
>
> same here, touch worked before too - so i think it's unrelated,
> btw, it seems that the problem does not exist on i386, though
> I'm pretty sure I tried there too, oh well,
>
> thanks!
> 	danny

I'm not sure if what was commited to stable/7 yesterday is substantially 
different from that patch (and if not, what in the world I was doing 
wrong/stupid in testing), but everything now works for me... thanks :)




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