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Date: Fri, 30 Sep 2016 04:46:56 -0700
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH v4 00/12] re-enable DAX PMD support
Message-ID: <20160930114656.GA16447@infradead.org>
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To: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, Theodore Ts'o <tytso@mit.edu>, Alexander Viro <viro@zeniv.linux.org.uk>, Andreas Dilger <adilger.kernel@dilger.ca>, Andrew Morton <akpm@linux-foundation.org>, Christoph Hellwig <hch@lst.de>, Dan Williams <dan.j.williams@intel.com>, Dave Chinner <david@fromorbit.com>, Jan Kara <jack@suse.com>, Matthew Wilcox <mawilcox@microsoft.com>, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@ml01.01.org, linux-xfs@vger.kernel.org

On Thu, Sep 29, 2016 at 04:49:18PM -0600, Ross Zwisler wrote:
> DAX PMDs have been disabled since Jan Kara introduced DAX radix tree based
> locking.  This series allows DAX PMDs to participate in the DAX radix tree
> based locking scheme so that they can be re-enabled.

This seems to pass xfstests fine, so with the various cleanups noted
in the individual patches this looks fine to me.