From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f172.google.com (mail-oi1-f172.google.com [209.85.167.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 48BA7399A55 for ; Wed, 7 Jan 2026 15:35:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767800108; cv=none; b=h78DyHV//bemyTFBQNVtrSAFZHdVPOcSlj0UYPDp13TX+ea8d7jlICLeLeblZY0HqELawIOsboDL+EXB6bGkh2XvkFAsGEgAfMNAH+LTgTx6fO+T/adaysutMsbC3gCF6vYRkmt38/GUJCT+dUcQZYWzMNfoc9W+Lr1wH3qrYFs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767800108; c=relaxed/simple; bh=T7kVRtDmArs/KXDA6UJCem652WSoCrheiHFH0MGwghY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pArq35ib6AzwU/pOB+LObkCW+Ebrf8mrjErcwcZIxQ5uKe3MXA5gVx9Befc6uiMcj8pZQmNHVd6Sh+pBfzd/rvdHa4IJienELR+z6acsUGPlNYWimnavyonZID9CrWtc/MB8oyBFN5Saw55ZrEqPTvpP9A8GExLO2eV37W/dS1o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=Groves.net; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=TlnGxn4V; arc=none smtp.client-ip=209.85.167.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=Groves.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TlnGxn4V" Received: by mail-oi1-f172.google.com with SMTP id 5614622812f47-4510974a8cdso1184383b6e.0 for ; Wed, 07 Jan 2026 07:35:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1767800103; x=1768404903; darn=lists.linux.dev; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:from:to:cc:subject:date :message-id:reply-to; bh=BslOQ1R3lDLc6puAK0BHaW8erjjx+/BdZBfKYLZomH0=; b=TlnGxn4VJbfZ46ShXo+tIfE7mr+xE0txDWF1KXjXUH12Zi4mnK0V90Hsai60AkC//V a8j/H9lIkv5sv33M/sCP2RPMWNTf3QtumWifZrdwJb+hn3xq1V9CkMDroUdYromPPL0Q 7Zl6gj/dGWDsY/Sau2DpapiDYn8ivYP8GiX1SaoK1BhlilQzxhMOaKzfSD+d3eD/6ni9 pBaCqKi1LxM38As+j/QYYN/db+kSU+1vj6Xvz3D2V0l1pknG1r7i2lUzWdnj7LRH78bx 8EGxJofrBQVXFWMmXdb7UmMBNSGALODX58w6NCM+IRAU776mS8korUsQNMezc4xXLdDa e/pA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767800103; x=1768404903; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=BslOQ1R3lDLc6puAK0BHaW8erjjx+/BdZBfKYLZomH0=; b=C/m7QPr09bPS1ZOFlgKcZvTYH4FadrxQ7sgY7StDPOhxZvzxJ7itBdJgclo1v07WqD 41C0xORxL7/TWpZtdc7E5TKg87mR59dJ2CpRSqH2vt+MN8YUvudbBkp+DW7ZDcrQd2Ly 1TlZGAn9LNPIOtocVBaGAca51pergzLfamxBdL/An89DHaSUUZl4ehkvSs9Ad+YFVA+H Ae9Gb2URKtxwAduvavmie/aVX3VTF6rC+lvKJsAjtEwCiWDQCEo0Y8yHsfV7LkBG+QTI mjLoX+Tb9u72Z/7qDRbAOTa+xd4SiY+ro+4e32LVSoQq3VLOziBS7L4ArCppGHFERSMK p5fg== X-Forwarded-Encrypted: i=1; AJvYcCWcBCrOGvQQel/6lpo0j6G6B487deMuPurZSTQSXvupYbE3uRmX6Ly33FLd3kBB0rgSMZUnh4A=@lists.linux.dev X-Gm-Message-State: AOJu0YyYfxbjHvnVpi39coJS/LGVzonjPVi6DMuxYhIpXvfUeFAP8Zvb Xf0WVbmhPZ4sTNa++jQjQPIEM+IWRlBG41/2V6K7h/5MtjAt12pVhn3X X-Gm-Gg: AY/fxX5gploaj7f2XiXUCfHDbyASV/z826akiuqoij3x8cx0H/r7KQMCTEvAZM8xjRb ijM/aOZ4stm1kcb2ReWEltoES2BHgDdZa/ipXRY2OAHRx1uhIdt8EDNmMgdLQIWqtyzFloKYo2v mRHZp5znc5ZfSWGVrucDRRlvamQLxg2AnEvzCywaB8rGF3ehIihfwZhhaLU/JpcEab7JYSeI8Nm YdPCriZtrnrrCE+7D5/e7LWA+ZaSwBpty9pmI4ZkFz7veR32/uHoIplGzMB8g7U1pKT57s8ah9M toWyqCQcHxxLF53ucgL/CF5o0dNXtmtjY4MWIRZedS5IF8cjv6RW6MInrXlppwuHbUsXKQh/UlL 61qZcbi5CNOnTPztDYm+xte9FteCMkj4359GU7dWdMoJYWchfuXFGJHjBrE0pqViCp1zKfMlfLa wc5XNQ9IlPZSDuyYhN8Xj7u/oIyMEkyQUMB+IoixWan7ck X-Google-Smtp-Source: AGHT+IFJGITn60MlSGetG+LZu+Db9CCtjDGtz1GjRDdVPE59eX1t6Y4D5yt852Xe5lWy1d4GVHK31A== X-Received: by 2002:a05:6808:300f:b0:44d:badf:f449 with SMTP id 5614622812f47-45a6bd18773mr1110582b6e.1.1767800103393; Wed, 07 Jan 2026 07:35:03 -0800 (PST) Received: from localhost.localdomain ([2603:8080:1500:3d89:a917:5124:7300:7cef]) by smtp.gmail.com with ESMTPSA id 5614622812f47-45a5e183cd4sm2415499b6e.1.2026.01.07.07.35.01 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 07 Jan 2026 07:35:02 -0800 (PST) Sender: John Groves From: John Groves X-Google-Original-From: John Groves To: John Groves , Miklos Szeredi , Dan Williams , Bernd Schubert , Alison Schofield Cc: 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 , Chen Linxuan , 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, John Groves Subject: [PATCH 0/2] ndctl: Add daxctl support for the new "famfs" mode of devdax Date: Wed, 7 Jan 2026 09:34:57 -0600 Message-ID: <20260107153459.64821-1-john@groves.net> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260107153244.64703-1-john@groves.net> References: <20260107153244.64703-1-john@groves.net> Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 -- 2.49.0