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[217.30.74.39]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46e61a020a3sm121695005e9.10.2025.10.03.02.35.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Oct 2025 02:35:14 -0700 (PDT) From: Andrey Albershteyn X-Google-Original-From: Andrey Albershteyn Subject: [PATCH v4 0/3] Test file_getattr and file_setattr syscalls Date: Fri, 03 Oct 2025 11:32:43 +0200 Message-Id: <20251003-xattrat-syscall-v4-0-1cfe6411c05f@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=H4sIADuY32gC/2XNQQ6DIBCF4auYWZcGBBW66j2aLqgOSmrUACEa4 92LdtE0Lv+XzDcreHQWPdyyFRxG6+04pBCXDOpODy0S26SGnOYF5awisw7B6UD84mvd9wRRmgL zpkQmIV1NDo2dD/HxTN1ZH0a3HA8i29evJak8WZERSkpNVS0Mrwyj9ze6Afvr6FrYsch/gKLqD PAEqJcWkjMhKqn+gG3bPkXgEBTwAAAA X-Change-ID: 20250317-xattrat-syscall-ee8f5e2d6e18 To: fstests@vger.kernel.org Cc: zlang@redhat.com, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, Andrey Albershteyn , "Darrick J. Wong" , Andrey Albershteyn X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=2156; i=aalbersh@kernel.org; h=from:subject:message-id; bh=vvUJddjEBDF+Ztgm1hAHoT+ASJXHJAAKJ82WwfFRfu4=; b=owJ4nJvAy8zAJea2/JXEGuOHHIyn1ZIYMu7PuFiVNFlSp31Tg6o8o7oE+xkXo3cWqYzM4rwvJ r5oMnGuPNtRysIgxsUgK6bIsk5aa2pSkVT+EYMaeZg5rEwgQxi4OAVgIvlZDH/Fc21s+h4uW6L8 7YJoZOVl85LTIiecjiqefrIiOF5n1e0PDP+jb4nm3n+99ttT1gXWRzP5Xn/9eN/o2Yw0y1/beWa UVC/iAAA710mh 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 v4: - Use _filter_file_attributes to focus only on nodump in generic/2000 - Add _filter_file_attributes to common/filter - Link to v3: https://lore.kernel.org/r/20250909-xattrat-syscall-v3-0-9ba483144789@kernel.org Changes in v3: - Fix tab vs spaces indents - Update year in SPDX header - Rename AC_HAVE_FILE_ATTR to AC_HAVE_FILE_GETATTR 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 + common/filter | 15 +++ configure.ac | 1 + include/builddefs.in | 1 + m4/package_libcdev.m4 | 16 +++ src/Makefile | 5 + src/file_attr.c | 274 +++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/2000 | 109 ++++++++++++++++++++ tests/generic/2000.out | 37 +++++++ tests/xfs/2000 | 73 +++++++++++++ tests/xfs/2000.out | 15 +++ 11 files changed, 547 insertions(+) --- base-commit: 3d57f543ae0c149eb460574dcfb8d688aeadbfff change-id: 20250317-xattrat-syscall-ee8f5e2d6e18 Best regards, -- Andrey Albershteyn