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Tue, 09 Sep 2025 08:26:00 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHS7BPzwjcjGF4v+qJMawvK/ZJPMgzEV0RZ5/MJh+kj7pnlazKDSanzwhxINAYPZk4x6NQDbg== X-Received: by 2002:a05:600c:5304:b0:45d:e110:e690 with SMTP id 5b1f17b1804b1-45de110e75dmr90886185e9.14.1757431560561; Tue, 09 Sep 2025 08:26:00 -0700 (PDT) Received: from [127.0.0.2] ([91.245.205.131]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b9a6ecfafsm348550005e9.21.2025.09.09.08.25.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Sep 2025 08:26:00 -0700 (PDT) From: Andrey Albershteyn X-Google-Original-From: Andrey Albershteyn Subject: [PATCH v3 0/3] Test file_getattr and file_setattr syscalls Date: Tue, 09 Sep 2025 17:25:55 +0200 Message-Id: <20250909-xattrat-syscall-v3-0-9ba483144789@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=H4sIAANHwGgC/2WNywqDMBBFf0Vm3ZQ8qqZd9T+KixAnGioqkxAUy b83tcsuz4F77gEByWOAR3UAYfLBL3MBdanAjmYekPm+MEgua65EyzYTI5nIwh6smSaGqF2Nsm9 QaCirldD57Sy+usKjD3Gh/TxI4mt/Lc31XysJxllj+N3enGqd4M830ozTdaEBupzzBwQlO/6vA 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 , "Darrick J. Wong" , Andrey Albershteyn X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1889; i=aalbersh@kernel.org; h=from:subject:message-id; bh=O+3dGIR/1DtiE9KLcFUY0iaC5JbpkqVOUBN8aCmD/gU=; b=owJ4nJvAy8zAJea2/JXEGuOHHIyn1ZIYMg64sxvuEhd8/7rz60KmDYvm2kxqMTSYyrLbeObKv qKIg59SFlzvKGVhEONikBVTZFknrTU1qUgq/4hBjTzMHFYmkCEMXJwCMBFZYUaGrcYLqrepHDvi 8mtyyoqCqybJec0+YR+FE+/sWq2zevcvKYa/ostD5LyOn5VhP7pAO92vNbzFP4Hte+5MmWPzbE6 7vtbiAAAGI0Y4 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 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 + 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 +++ 10 files changed, 532 insertions(+) --- base-commit: 3d57f543ae0c149eb460574dcfb8d688aeadbfff change-id: 20250317-xattrat-syscall-ee8f5e2d6e18 Best regards, -- Andrey Albershteyn