linux-kernel - Re: [PATCH v4 00/12] re-enable DAX PMD support

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Date:   Fri, 30 Sep 2016 04:46:56 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Ross Zwisler <ross.zwisler@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, Theodore Ts'o <tytso@....edu>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Hellwig <hch@....de>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Chinner <david@...morbit.com>, Jan Kara <jack@...e.com>,
        Matthew Wilcox <mawilcox@...rosoft.com>,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, linux-nvdimm@...1.01.org,
        linux-xfs@...r.kernel.org
Subject: Re: [PATCH v4 00/12] re-enable DAX PMD support

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.