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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: [PATCH V2 0/2] ndctl: Add daxctl support for the new "famfs" mode of devdax Date: Wed, 14 Jan 2026 15:45:17 -0600 Message-ID: <20260114214519.29999-1-john@groves.net> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260114153133.29420.compound@groves.net> References: <20260114153133.29420.compound@groves.net> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 -- 2.49.0