linux-ext4 - Re: [BUG] ext2/3/4: dio reads stale data when we do some append dio writes

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Message-ID: <20131119104508.GA4630@gmail.com>
Date:	Tue, 19 Nov 2013 18:45:08 +0800
From:	Zheng Liu <gnehzuil.liu@...il.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [BUG] ext2/3/4: dio reads stale data when we do some append dio
 writes

On Tue, Nov 19, 2013 at 02:22:35AM -0800, Christoph Hellwig wrote:
> On Tue, Nov 19, 2013 at 05:53:03PM +0800, Zheng Liu wrote:
> > code snippet:
> 
> Can you please wire this up as a regression test for xfstests?
> 

No problem.  I am happy to do that.

BTW, that would be great if you could give me some comments about this
problem itself.  Is it a generic problem in vfs?  Or just a feature by
design?

Thanks,
                                                - Zheng
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