linux-kernel - Re: [PATCH v8 7/7] xfs: Add dax dedupe support

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Message-ID: <20210902074342.GF13867@lst.de>
Date:   Thu, 2 Sep 2021 09:43:42 +0200
From:   Christoph Hellwig <hch@....de>
To:     Shiyang Ruan <ruansy.fnst@...itsu.com>
Cc:     djwong@...nel.org, hch@....de, linux-xfs@...r.kernel.org,
        dan.j.williams@...el.com, david@...morbit.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        nvdimm@...ts.linux.dev, rgoldwyn@...e.de, viro@...iv.linux.org.uk,
        willy@...radead.org
Subject: Re: [PATCH v8 7/7] xfs: Add dax dedupe support

On Sun, Aug 29, 2021 at 08:25:17PM +0800, Shiyang Ruan wrote:
> Introduce xfs_mmaplock_two_inodes_and_break_dax_layout() for dax files
> who are going to be deduped.  After that, call compare range function
> only when files are both DAX or not.
> 
> Signed-off-by: Shiyang Ruan <ruansy.fnst@...itsu.com>
> Reviewed-by: Darrick J. Wong <djwong@...nel.org>

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>