linux-kernel - Re: [PATCH v3 00/11] re-enable DAX PMD support

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Message-ID: <20160928020842.GA4428@infradead.org>
Date:   Tue, 27 Sep 2016 19:08:42 -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 v3 00/11] re-enable DAX PMD support

On Tue, Sep 27, 2016 at 02:47:51PM -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.
> 
> Jan and Christoph, can you please help review these changes?

About to get on a plane, so it might take a bit to do a real review.
In general this looks fine, but I guess the first two ext4 patches
should just go straight to Ted independent of the rest?

Also Jan just posted a giant DAX patchbomb, we'll need to find a way
to integrate all that work, and maybe prioritize things if we want
to get bits into 4.9 still.