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Wed, 27 Aug 2025 08:16:19 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGSshh7UA0Q1tQ+3feB1Bg+Sb2OMUJ7cAMX5l3HHqsQhNcKfVCBQkB/C/cHAyfVwt7bELFVww== X-Received: by 2002:a05:600c:1f83:b0:456:1c4a:82b2 with SMTP id 5b1f17b1804b1-45b517ad803mr174420705e9.10.1756307778992; Wed, 27 Aug 2025 08:16:18 -0700 (PDT) Received: from [127.0.0.2] ([91.245.205.131]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b6f0c6dc1sm35019145e9.1.2025.08.27.08.16.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Aug 2025 08:16:18 -0700 (PDT) From: Andrey Albershteyn X-Google-Original-From: Andrey Albershteyn Subject: [PATCH v2 0/3] Test file_getattr and file_setattr syscalls Date: Wed, 27 Aug 2025 17:16:14 +0200 Message-Id: <20250827-xattrat-syscall-v2-0-ba489b5bc17a@kernel.org> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAD4hr2gC/2WNwQ6DIBAFf8XsuTSAVWlP/Y/GA8FFSYmahRCN4 d9L7bHHmeTNOyAgOQzwqA4gTC64ZS4gLxWYSc8jMjcUBsllw2vRsU3HSDqysAejvWeIyjYohxa FgrJaCa3bzuKrLzy5EBfaz4MkvvbXUlz9tZJgnLWa383N1p0V/PlGmtFfFxqhzzl/AAsF82evA AAA X-Change-ID: 20250317-xattrat-syscall-ee8f5e2d6e18 In-Reply-To: To: fstests@vger.kernel.org Cc: zlang@redhat.com, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, Andrey Albershteyn , Andrey Albershteyn X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1760; i=aalbersh@kernel.org; h=from:subject:message-id; bh=PPr77puRvCeAT40UGuOX5WZ1/o6gVvC8AT6qc5GzuQg=; b=owJ4nJvAy8zAJea2/JXEGuOHHIyn1ZIYMtYrOp7b0lEhvrvvh/Ljp3xCofUxbawCiksZlq6t6 F7dKTvl08GOUhYGMS4GWTFFlnXSWlOTiqTyjxjUyMPMYWUCGcLAxSkAE9nZyfC/oP2OrKljSqlD 8+duHbN0q8zLWV7s6+Xr0q6q7cuya1vEyPB2RfflhKaFmt1265S3mz++HfBg4T7veRJH1sp85Qy 1ns8KAJ2MRdE= X-Developer-Key: i=aalbersh@kernel.org; a=openpgp; fpr=AE1B2A9562721A6FC4307C1F46A7EA18AC33E108 Add a test to check basic functionallity of file_getattr() and file_setattr() syscalls. These syscalls are used to get/set filesystem inode attributes (think of FS_IOC_SETFSXATTR ioctl()). The difference from ioctl() is that these syscalls use *at() semantics and can be called on any file without opening it, including special ones. For XFS, with the use of these syscalls, xfs_quota now can manipulate quota on special files such as sockets. Add a test to check that special files are counted, which wasn't true before. To: fstests@vger.kernel.org Cc: zlang@redhat.com Cc: linux-fsdevel@vger.kernel.org Cc: linux-xfs@vger.kernel.org Signed-off-by: Andrey Albershteyn --- Changes in v2: - Improve help message for file_attr - Refactor file_attr.c - Drop _wants_*_commit - Link to v1: https://lore.kernel.org/r/20250808-xattrat-syscall-v1-0-6a09c4f37f10@kernel.org --- Andrey Albershteyn (3): file_attr: introduce program to set/get fsxattr generic: introduce test to test file_getattr/file_setattr syscalls xfs: test quota's project ID on special files .gitignore | 1 + configure.ac | 1 + include/builddefs.in | 1 + m4/package_libcdev.m4 | 16 +++ src/Makefile | 5 + src/file_attr.c | 268 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/2000 | 109 ++++++++++++++++++++ tests/generic/2000.out | 37 +++++++ tests/xfs/2000 | 73 ++++++++++++++ tests/xfs/2000.out | 15 +++ 10 files changed, 526 insertions(+) --- base-commit: 3d57f543ae0c149eb460574dcfb8d688aeadbfff change-id: 20250317-xattrat-syscall-ee8f5e2d6e18 Best regards, -- Andrey Albershteyn