From: "Darrick J. Wong" <djwong@kernel.org>
To: "ruansy.fnst@fujitsu.com" <ruansy.fnst@fujitsu.com>
Cc: "y-goto@fujitsu.com" <y-goto@fujitsu.com>,
"jack@suse.cz" <jack@suse.cz>,
"fnstml-iaas@cn.fujitsu.com" <fnstml-iaas@cn.fujitsu.com>,
"darrick.wong@oracle.com" <darrick.wong@oracle.com>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
"david@fromorbit.com" <david@fromorbit.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-xfs@vger.kernel.org" <linux-xfs@vger.kernel.org>,
"ocfs2-devel@oss.oracle.com" <ocfs2-devel@oss.oracle.com>,
"viro@zeniv.linux.org.uk" <viro@zeniv.linux.org.uk>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"qi.fuli@fujitsu.com" <qi.fuli@fujitsu.com>,
"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: [Ocfs2-devel] Question about the "EXPERIMENTAL" tag for dax in XFS
Date: Fri, 26 Feb 2021 11:04:54 -0800 [thread overview]
Message-ID: <20210226190454.GD7272@magnolia> (raw)
In-Reply-To: <OSBPR01MB2920899F1D71E7B054A04E39F49D9@OSBPR01MB2920.jpnprd01.prod.outlook.com>
On Fri, Feb 26, 2021 at 09:45:45AM +0000, ruansy.fnst@fujitsu.com wrote:
> Hi, guys
>
> Beside this patchset, I'd like to confirm something about the
> "EXPERIMENTAL" tag for dax in XFS.
>
> In XFS, the "EXPERIMENTAL" tag, which is reported in waring message
> when we mount a pmem device with dax option, has been existed for a
> while. It's a bit annoying when using fsdax feature. So, my initial
> intention was to remove this tag. And I started to find out and solve
> the problems which prevent it from being removed.
>
> As is talked before, there are 3 main problems. The first one is "dax
> semantics", which has been resolved. The rest two are "RMAP for
> fsdax" and "support dax reflink for filesystem", which I have been
> working on.
<nod>
> So, what I want to confirm is: does it means that we can remove the
> "EXPERIMENTAL" tag when the rest two problem are solved?
Yes. I'd keep the experimental tag for a cycle or two to make sure that
nothing new pops up, but otherwise the two patchsets you've sent close
those two big remaining gaps. Thank you for working on this!
> Or maybe there are other important problems need to be fixed before
> removing it? If there are, could you please show me that?
That remains to be seen through QA/validation, but I think that's it.
Granted, I still have to read through the two patchsets...
--D
>
> Thank you.
>
>
> --
> Ruan Shiyang.
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next prev parent reply other threads:[~2021-02-26 19:05 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-26 0:20 [Ocfs2-devel] [PATCH v2 00/10] fsdax, xfs: Add reflink&dedupe support for fsdax Shiyang Ruan
2021-02-26 0:20 ` [Ocfs2-devel] [PATCH v2 01/10] fsdax: Factor helpers to simplify dax fault code Shiyang Ruan
2021-03-03 9:13 ` Christoph Hellwig
2021-02-26 0:20 ` [Ocfs2-devel] [PATCH v2 02/10] fsdax: Factor helper: dax_fault_actor() Shiyang Ruan
2021-03-03 9:28 ` Christoph Hellwig
2021-03-12 9:01 ` ruansy.fnst
2021-02-26 0:20 ` [Ocfs2-devel] [PATCH v2 03/10] fsdax: Output address in dax_iomap_pfn() and rename it Shiyang Ruan
2021-02-26 0:20 ` [Ocfs2-devel] [PATCH v2 05/10] fsdax: Replace mmap entry in case of CoW Shiyang Ruan
2021-03-03 9:30 ` Christoph Hellwig
2021-03-03 9:41 ` ruansy.fnst
2021-03-03 9:44 ` Christoph Hellwig
2021-03-03 9:48 ` Christoph Hellwig
2021-02-26 0:20 ` [Ocfs2-devel] [PATCH v2 08/10] fsdax: Dedup file range to use a compare function Shiyang Ruan
2021-02-26 8:28 ` Shiyang Ruan
2021-03-03 8:20 ` Joe Perches
2021-03-03 8:45 ` ruansy.fnst
2021-03-03 9:04 ` Joe Perches
2021-03-03 9:39 ` hch
2021-03-03 9:46 ` ruansy.fnst
2021-03-04 5:42 ` [Ocfs2-devel] [RESEND PATCH v2.1 " Shiyang Ruan
2021-02-26 0:20 ` [Ocfs2-devel] [PATCH v2 09/10] fs/xfs: Handle CoW for fsdax write() path Shiyang Ruan
2021-03-03 9:43 ` Christoph Hellwig
2021-03-03 9:57 ` ruansy.fnst
2021-03-03 10:43 ` Christoph Hellwig
2021-03-04 1:35 ` ruansy.fnst
2021-02-26 0:20 ` [Ocfs2-devel] [PATCH v2 10/10] fs/xfs: Add dedupe support for fsdax Shiyang Ruan
2021-02-26 9:45 ` [Ocfs2-devel] Question about the "EXPERIMENTAL" tag for dax in XFS ruansy.fnst
2021-02-26 19:04 ` Darrick J. Wong [this message]
2021-02-26 19:24 ` Dan Williams
2021-02-26 20:51 ` Dave Chinner
2021-02-26 20:59 ` Dan Williams
2021-02-26 21:27 ` Dave Chinner
2021-02-26 22:41 ` Dan Williams
2021-02-27 22:36 ` Dave Chinner
2021-02-27 23:40 ` Dan Williams
2021-02-28 22:38 ` Dave Chinner
2021-03-01 20:55 ` Dan Williams
2021-03-01 22:46 ` Dave Chinner
2021-03-02 0:32 ` Dan Williams
2021-03-02 2:42 ` Dave Chinner
2021-03-02 3:33 ` Dan Williams
2021-03-02 5:38 ` Dave Chinner
2021-03-02 5:50 ` Dan Williams
2021-03-02 3:28 ` Darrick J. Wong
2021-03-02 5:41 ` Dan Williams
2021-03-02 7:57 ` Dave Chinner
2021-03-02 17:49 ` Dan Williams
2021-03-04 23:40 ` Darrick J. Wong
2021-03-01 7:26 ` Yasunori Goto
2021-03-01 21:34 ` Dan Williams
[not found] ` <20210226002030.653855-5-ruansy.fnst@fujitsu.com>
2021-03-03 9:29 ` [Ocfs2-devel] [PATCH v2 04/10] fsdax: Introduce dax_iomap_cow_copy() Christoph Hellwig
[not found] ` <20210226002030.653855-7-ruansy.fnst@fujitsu.com>
2021-03-03 9:31 ` [Ocfs2-devel] [PATCH v2 06/10] fsdax: Add dax_iomap_cow_copy() for dax_iomap_zero Christoph Hellwig
[not found] ` <20210226002030.653855-8-ruansy.fnst@fujitsu.com>
2021-02-26 4:14 ` [Ocfs2-devel] [PATCH v2 07/10] iomap: Introduce iomap_apply2() for operations on two files Darrick J. Wong
2021-02-26 8:11 ` ruansy.fnst
2021-02-26 8:25 ` Shiyang Ruan
2021-03-04 5:41 ` [Ocfs2-devel] [RESEND PATCH v2.1 " Shiyang Ruan
2021-03-11 12:30 ` Christoph Hellwig
2021-03-09 6:36 ` [Ocfs2-devel] [PATCH v2 00/10] fsdax, xfs: Add reflink&dedupe support for fsdax Xiaoguang Wang
2021-03-10 1:32 ` ruansy.fnst
2021-03-09 16:19 ` Goldwyn Rodrigues
2021-03-10 1:26 ` ruansy.fnst
2021-03-10 12:30 ` Neal Gompa
2021-03-10 13:02 ` Matthew Wilcox
2021-03-10 13:36 ` Neal Gompa
2021-03-10 13:55 ` Matthew Wilcox
2021-03-10 14:21 ` Goldwyn Rodrigues
2021-03-10 14:26 ` Matthew Wilcox
2021-03-10 17:04 ` Goldwyn Rodrigues
2021-03-11 0:53 ` Dan Williams
2021-03-11 8:26 ` Neal Gompa
2021-03-13 13:07 ` Adam Borowski
2021-03-13 16:24 ` Neal Gompa
2021-03-13 22:00 ` Adam Borowski
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