linux-kernel - Re: WARNING at fs/nfs/write.c:743 nfs_inode_remove

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Message-ID: <20140925171545.GR20043@arm.com>
Date:	Thu, 25 Sep 2014 18:15:45 +0100
From:	Will Deacon <will.deacon@....com>
To:	Weston Andros Adamson <dros@...marydata.com>
Cc:	Peng Tao <tao.peng@...marydata.com>,
	Trond Myklebust <trond.myklebust@...marydata.com>,
	linux-nfs list <linux-nfs@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: WARNING at fs/nfs/write.c:743 nfs_inode_remove_request with -rc6

Hi Andros,

On Tue, Sep 23, 2014 at 04:25:58PM +0100, Will Deacon wrote:
> On Tue, Sep 23, 2014 at 04:08:36PM +0100, Weston Andros Adamson wrote:
> > On Sep 23, 2014, at 11:02 AM, Weston Andros Adamson <dros@...marydata.com> wrote:
> > > Wait a second - the whole point of this extra reference (that the
> > > WARN_ON_ONCE is related to) is to handle the pass off to commit lists.
> > > 
> > > Maybe I’m just doing the wrong thing here with NFSv2!
> > > 
> > > More soon.
> > 
> > Actually, can you see if this is reproducible with NFSv3?
> 
> Just tried that, and I'm unable to trigger the problem with NFSv3.

Any more ideas? I can run with NFSv3 instead, but it's a shame to leave
v2 broken.

Will
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