From: "Darrick J. Wong" <djwong@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Dan Williams <dan.j.williams@intel.com>,
Dave Chinner <david@fromorbit.com>,
Shiyang Ruan <ruansy.fnst@fujitsu.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-xfs <linux-xfs@vger.kernel.org>,
Linux NVDIMM <nvdimm@lists.linux.dev>,
Linux MM <linux-mm@kvack.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Christoph Hellwig <hch@infradead.org>,
Jane Chu <jane.chu@oracle.com>,
Goldwyn Rodrigues <rgoldwyn@suse.de>,
Al Viro <viro@zeniv.linux.org.uk>,
Matthew Wilcox <willy@infradead.org>,
Naoya Horiguchi <naoya.horiguchi@nec.com>,
linmiaohe@huawei.com
Subject: Re: [PATCHSETS] v14 fsdax-rmap + v11 fsdax-reflink
Date: Tue, 10 May 2022 19:43:01 -0700 [thread overview]
Message-ID: <20220511024301.GD27195@magnolia> (raw)
In-Reply-To: <20220510192853.410ea7587f04694038cd01de@linux-foundation.org>
On Tue, May 10, 2022 at 07:28:53PM -0700, Andrew Morton wrote:
> On Tue, 10 May 2022 18:55:50 -0700 Dan Williams <dan.j.williams@intel.com> wrote:
>
> > > It'll need to be a stable branch somewhere, but I don't think it
> > > really matters where al long as it's merged into the xfs for-next
> > > tree so it gets filesystem test coverage...
> >
> > So how about let the notify_failure() bits go through -mm this cycle,
> > if Andrew will have it, and then the reflnk work has a clean v5.19-rc1
> > baseline to build from?
>
> What are we referring to here? I think a minimal thing would be the
> memremap.h and memory-failure.c changes from
> https://lkml.kernel.org/r/20220508143620.1775214-4-ruansy.fnst@fujitsu.com ?
>
> Sure, I can scoot that into 5.19-rc1 if you think that's best. It
> would probably be straining things to slip it into 5.19.
>
> The use of EOPNOTSUPP is a bit suspect, btw. It *sounds* like the
> right thing, but it's a networking errno. I suppose livable with if it
> never escapes the kernel, but if it can get back to userspace then a
> user would be justified in wondering how the heck a filesystem
> operation generated a networking errno?
<shrug> most filesystems return EOPNOTSUPP rather enthusiastically when
they don't know how to do something...
--D
next prev parent reply other threads:[~2022-05-11 2:49 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-08 14:36 [PATCHSETS] v14 fsdax-rmap + v11 fsdax-reflink Shiyang Ruan
2022-05-08 14:36 ` [PATCH v14 01/07] dax: Introduce holder for dax_device Shiyang Ruan
2022-05-08 14:36 ` [PATCH v14 02/07] mm: factor helpers for memory_failure_dev_pagemap Shiyang Ruan
2022-05-08 14:36 ` [PATCH v14 03/07] pagemap,pmem: Introduce ->memory_failure() Shiyang Ruan
2022-05-08 14:36 ` [PATCH v14 04/07] fsdax: Introduce dax_lock_mapping_entry() Shiyang Ruan
2022-05-08 14:36 ` [PATCH v14 05/07] mm: Introduce mf_dax_kill_procs() for fsdax case Shiyang Ruan
2022-05-08 14:36 ` [PATCH v14 06/07] xfs: Implement ->notify_failure() for XFS Shiyang Ruan
2022-05-08 14:36 ` [PATCH v14 07/07] fsdax: set a CoW flag when associate reflink mappings Shiyang Ruan
2022-05-08 14:36 ` [PATCH v11 01/07] fsdax: Output address in dax_iomap_pfn() and rename it Shiyang Ruan
2022-05-08 14:36 ` [PATCH v11 02/07] fsdax: Introduce dax_iomap_cow_copy() Shiyang Ruan
2022-05-08 14:36 ` [PATCH v11 03/07] fsdax: Replace mmap entry in case of CoW Shiyang Ruan
2022-05-08 14:36 ` [PATCH v11 04/07] fsdax: Add dax_iomap_cow_copy() for dax zero Shiyang Ruan
2022-05-08 14:36 ` [PATCH v11 05/07] fsdax: Dedup file range to use a compare function Shiyang Ruan
2022-05-08 14:36 ` [PATCH v11 06/07] xfs: support CoW in fsdax mode Shiyang Ruan
2022-05-10 5:45 ` Christoph Hellwig
2022-05-10 10:06 ` Shiyang Ruan
2022-05-11 2:25 ` [PATCH v11.1 " Shiyang Ruan
2022-05-08 14:36 ` [PATCH v11 07/07] xfs: Add dax dedupe support Shiyang Ruan
2022-05-10 9:32 ` [PATCHSETS] v14 fsdax-rmap + v11 fsdax-reflink Christoph Hellwig
2022-05-11 0:03 ` Darrick J. Wong
2022-05-11 1:48 ` Dave Chinner
2022-05-11 1:55 ` Dan Williams
2022-05-11 2:19 ` Dave Chinner
2022-05-11 2:28 ` Andrew Morton
2022-05-11 2:43 ` Darrick J. Wong [this message]
2022-05-11 5:24 ` Andrew Morton
2022-05-11 6:21 ` Dave Chinner
2022-05-11 15:19 ` Darrick J. Wong
2022-05-11 15:46 ` Dan Williams
2022-05-12 12:27 ` Shiyang Ruan
2022-06-02 9:42 ` Shiyang Ruan
2022-06-02 17:18 ` Darrick J. Wong
2022-06-02 17:47 ` Andrew Morton
2022-05-11 4:20 ` Dan Williams
2022-05-11 4:34 ` Darrick J. Wong
2022-06-02 18:56 ` Andrew Morton
2022-06-03 1:07 ` Shiyang Ruan
2022-06-03 1:36 ` Shiyang Ruan
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