From: Mike Snitzer <snitzer@redhat.com>
Subject: Re: [PATCH 1/2] dm log writes: Add support for inline data buffers
Date: Tue, 24 Oct 2017 15:14:32 -0400
Message-ID: <20171024191431.GA22902@redhat.com>
References: <20171020052404.13762-1-ross.zwisler@linux.intel.com>
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Cc: linux-kernel@vger.kernel.org, Josef Bacik <jbacik@fb.com>,
        Alasdair Kergon <agk@redhat.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Dave Chinner <david@fromorbit.com>, Jan Kara <jack@suse.cz>,
        Shaohua Li <shli@kernel.org>, dm-devel@redhat.com,
        linux-nvdimm@lists.01.org, linux-raid@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
        linux-xfs@vger.kernel.org, Christoph Hellwig <hch@infradead.org>
To: Ross Zwisler <ross.zwisler@linux.intel.com>
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On Fri, Oct 20 2017 at  1:24am -0400,
Ross Zwisler <ross.zwisler@linux.intel.com> wrote:

> Currently dm-log-writes supports writing filesystem data via BIOs, and
> writing internal metadata from a flat buffer via write_metadata().
> 
> For DAX writes, though, we won't have a BIO, but will instead have an
> iterator that we'll want to use to fill a flat data buffer.
> 
> So, create write_inline_data() which allows us to write filesystem data
> using a flat buffer as a source, and wire it up in log_one_block().
> 
> Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>

Hi,

I picked this up but tweaked some whitespace and couple style nits, see:
https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=for-4.15/dm&id=6a697d036324c7fbe63fb49599027269006161e7

Thanks,
Mike