From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2467E261B91; Tue, 20 Jan 2026 17:01:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768928511; cv=none; b=tWt35an6whDLxTU4RYRE0ogK1hRg1a3aBPa0W6KNFNVq3D3vt2Fhjg4QJtXlVlFuGBiFVIIZ6FDG3PcPVCtoxvOk1Y55YLTpbIJuwUX6lOhiTk6RA84AgjJwqSeGaYZEqjogcBpU1J/m3XxNaw3MB/zPQpPjc/AOryzKltboA/Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768928511; c=relaxed/simple; bh=LHrIj1K/jnoEglxCdPdleoWP3nNJVJwxtLtp8PHTsUM=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=hlar4O5F3MF7s7M2g12NelSRKqo3F1drpz7k7WWeQeFTd2FdnIf88G5qd1oWkvSaTzVZ0LDGd7zsVgBUvdunsYO8aS4pd3EBWI1khbzZ2iYSSgeaw0GHaqhfHn+E1PNCW9y/X7XEfYS954bbz8MsLRz3IZv4lRV4Qb1wa68zN3A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.224.107]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4dwYWL0NLwzJ46DM; Wed, 21 Jan 2026 01:01:18 +0800 (CST) Received: from dubpeml500005.china.huawei.com (unknown [7.214.145.207]) by mail.maildlp.com (Postfix) with ESMTPS id C1F0040570; Wed, 21 Jan 2026 01:01:42 +0800 (CST) Received: from localhost (10.203.177.99) by dubpeml500005.china.huawei.com (7.214.145.207) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Tue, 20 Jan 2026 17:01:41 +0000 Date: Tue, 20 Jan 2026 17:01:35 +0000 From: Alireza Sanaee To: John Groves CC: John Groves , Miklos Szeredi , "Dan Williams" , Bernd Schubert , Alison Schofield , John Groves , John Groves , Jonathan Corbet , Vishal Verma , Dave Jiang , Matthew Wilcox , Jan Kara , Alexander Viro , David Hildenbrand , Christian Brauner , "Darrick J . Wong" , Randy Dunlap , "Jeff Layton" , Amir Goldstein , "Jonathan Cameron" , Stefan Hajnoczi , Joanne Koong , Josef Bacik , Bagas Sanjaya , James Morse , Fuad Tabba , Sean Christopherson , Shivank Garg , Ackerley Tng , Gregory Price , Aravind Ramesh , Ajay Joshi , "venkataravis@micron.com" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "nvdimm@lists.linux.dev" , "linux-cxl@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" Subject: Re: [PATCH V4 0/2] ndctl: Add daxctl support for the new "famfs" mode of devdax Message-ID: <20260120170135.00003523.alireza.sanaee@huawei.com> In-Reply-To: <0100019bd34040d9-0b6e9e4c-ecd4-464d-ab9d-88a251215442-000000@email.amazonses.com> References: <0100019bd33a16b4-6da11a99-d883-4cfc-b561-97973253bc4a-000000@email.amazonses.com> <20260118223548.92823-1-john@jagalactic.com> <0100019bd34040d9-0b6e9e4c-ecd4-464d-ab9d-88a251215442-000000@email.amazonses.com> Organization: Huawei X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: lhrpeml100010.china.huawei.com (7.191.174.197) To dubpeml500005.china.huawei.com (7.214.145.207) On Sun, 18 Jan 2026 22:36:02 +0000 John Groves 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 > > 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