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From: Christoph Hellwig <hch@lst.de>
To: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-nvdimm@ml01.01.org
Subject: iomap based DAX path
Date: Fri,  9 Sep 2016 18:34:34 +0200
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This series adds a DAX I/O path based on the iomap interface.  This
allows more efficient block mapping including defined hole semantics,
and is an important step toward getting rid of buffer_heads in XFS.