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From: Dan Williams <dan.j.williams@intel.com>
To: Shiyang Ruan <ruansy.fnst@cn.fujitsu.com>
Cc: linux-xfs <linux-xfs@vger.kernel.org>,
	linux-nvdimm <linux-nvdimm@lists.01.org>,
	"Darrick J. Wong" <darrick.wong@oracle.com>,
	Goldwyn Rodrigues <rgoldwyn@suse.de>,
	Christoph Hellwig <hch@infradead.org>,
	david <david@fromorbit.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	gujx@cn.fujitsu.com, qi.fuli@fujitsu.com
Subject: Re: [RFC PATCH v2 0/7] xfs: reflink & dedupe for fsdax (read/write path).
Date: Thu, 7 Nov 2019 19:30:32 -0800
Message-ID: <CAPcyv4ivOgMNdvWTtpXw2aaR0o7MEQZ=cDiy=_P9qhVb3QVWdQ@mail.gmail.com> (raw)
In-Reply-To: <e33532a2-a9e5-1578-bdd8-a83d4710a151@cn.fujitsu.com>

On Thu, Nov 7, 2019 at 7:11 PM Shiyang Ruan <ruansy.fnst@cn.fujitsu.com> wrote:
>
> Hi Darrick, Dave,
>
> Do you have any comment on this?

Christoph pointed out at ALPSS that this problem has significant
overlap with the shared page-cache for reflink problem. So I think we
need to solve that first and then circle back to dax reflink support.
I'm starting to take a look at that.
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Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-30  4:13 Shiyang Ruan
2019-10-30  4:13 ` [RFC PATCH v2 1/7] dax: Introduce dax_copy_edges() for COW Shiyang Ruan
2019-10-30  4:13 ` [RFC PATCH v2 2/7] dax: copy data before write Shiyang Ruan
2019-10-30  4:13 ` [RFC PATCH v2 3/7] dax: replace mmap entry in case of CoW Shiyang Ruan
2019-10-30  4:13 ` [RFC PATCH v2 4/7] fs: dedup file range to use a compare function Shiyang Ruan
2019-10-30  4:13 ` [RFC PATCH v2 5/7] dax: memcpy before zeroing range Shiyang Ruan
2019-10-30  4:13 ` [RFC PATCH v2 6/7] xfs: handle copy-on-write in fsdax write() path Shiyang Ruan
2019-10-30  4:13 ` [RFC PATCH v2 7/7] xfs: support dedupe for fsdax Shiyang Ruan
2019-10-30 11:48 ` [RFC PATCH v2 0/7] xfs: reflink & dedupe for fsdax (read/write path) Goldwyn Rodrigues
2019-10-31  4:54   ` Shiyang Ruan
2019-11-08  3:10 ` Shiyang Ruan
2019-11-08  3:30   ` Dan Williams [this message]

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