linux-ext4 - Re: [PATCH 1/2] ext4: fix DAX write locking

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Message-ID: <20170208171410.GA27359@infradead.org>
Date:   Wed, 8 Feb 2017 09:14:10 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Jan Kara <jack@...e.cz>
Cc:     Christoph Hellwig <hch@....de>, linux-ext4@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-nvdimm@...ts.01.org,
        Ted Tso <tytso@....edu>
Subject: Re: [PATCH 1/2] ext4: fix DAX write locking

On Wed, Jan 11, 2017 at 10:01:36AM +0100, Jan Kara wrote:
> On Tue 10-01-17 16:48:07, Christoph Hellwig wrote:
> > Unlike O_DIRECT DAX is not an optional opt-in feature selected by the
> > application, so we'll have to provide the traditional synchronіzation
> > of overlapping writes as we do for buffered writes.
> > 
> > This was broken historically for DAX, but got fixed for ext2 and XFS
> > as part of the iomap conversion.  Fix up ext4 as well.
> > 
> > Signed-off-by: Christoph Hellwig <hch@....de>
> 
> Makes sense. You can add:
> 
> Reviewed-by: Jan Kara <jack@...e.cz>
> 
> Ted, can you please pick it up? Thanks!

Did this get picked up?