linux-kernel - Re: [PATCH V4 0/2] ndctl: Add daxctl support for the new "famfs" mode of devdax

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Message-ID: <20260120170135.00003523.alireza.sanaee@huawei.com>
Date: Tue, 20 Jan 2026 17:01:35 +0000
From: Alireza Sanaee <alireza.sanaee@...wei.com>
To: John Groves <john@...alactic.com>
CC: John Groves <John@...ves.net>, Miklos Szeredi <miklos@...redi.hu>, "Dan
 Williams" <dan.j.williams@...el.com>, Bernd Schubert <bschubert@....com>,
	Alison Schofield <alison.schofield@...el.com>, John Groves
	<jgroves@...ron.com>, John Groves <jgroves@...tmail.com>, Jonathan Corbet
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Subject: Re: [PATCH V4 0/2] ndctl: Add daxctl support for the new "famfs"
 mode of devdax

On Sun, 18 Jan 2026 22:36:02 +0000
John Groves <john@...alactic.com> wrote:

Hi John,

What's the base commit for this set? I seem not be able to apply on ndctl master. Maybe I am missing something.

Thanks,
Alireza

> From: John Groves <john@...ves.net>
> 
> No change since V2 - re-sending due to technical challenges.
> 
> No change since V1 - reposting as V2 to keep this with the related
> kernel (dax and fuse) patches and libfuse patches.
> 
> This short series adds support and tests to daxctl for famfs[1]. The
> famfs kernel patch series, under the same "compound cover" as this
> series, adds a new 'fsdev_dax' driver for devdax. When that driver
> is bound (instead of device_dax), the device is in 'famfs' mode rather
> than 'devdax' mode.
> 
> References
> 
> [1] - https://famfs.org
> 
> 
> John Groves (2):
>   daxctl: Add support for famfs mode
>   Add test/daxctl-famfs.sh to test famfs mode transitions:
> 
>  daxctl/device.c                | 126 ++++++++++++++--
>  daxctl/json.c                  |   6 +-
>  daxctl/lib/libdaxctl-private.h |   2 +
>  daxctl/lib/libdaxctl.c         |  77 ++++++++++
>  daxctl/lib/libdaxctl.sym       |   7 +
>  daxctl/libdaxctl.h             |   3 +
>  test/daxctl-famfs.sh           | 253 +++++++++++++++++++++++++++++++++
>  test/meson.build               |   2 +
>  8 files changed, 465 insertions(+), 11 deletions(-)
>  create mode 100755 test/daxctl-famfs.sh
> 
> 
> base-commit: 4f7a1c63b3305c97013d3c46daa6c0f76feff10d