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Should it be static? Message-ID: <202610260537.GikAbao4-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6b4b543fa18757297ac756a6fe6e64f506b7844a commit: 3f8c65b06fafc3f779abda5f7b81707411d05d4c bpf: have bpf_real_data_inode() take a struct file date: 4 months ago config: arm64-randconfig-r2305-20261026 (https://download.01.org/0day-ci/archive/20261026/202610260537.GikAbao4-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.5.0 sparse: v0.6.5-rc1-1-gc4640450 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261026/202610260537.GikAbao4-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Fixes: 3f8c65b06faf ("bpf: have bpf_real_data_inode() take a struct file") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202610260537.GikAbao4-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> fs/bpf_fs_kfuncs.c:377:26: sparse: sparse: symbol 'bpf_real_data_inode' was not declared. Should it be static? vim +/bpf_real_data_inode +377 fs/bpf_fs_kfuncs.c 361 362 /** 363 * bpf_real_data_inode - get the real inode hosting a file's data 364 * @file: file to resolve 365 * 366 * Resolve @file to the inode that hosts its data. For a regular file on a 367 * union/overlay filesystem this is the underlying (upper or lower) inode that 368 * stores the data, not the overlay inode. 369 * 370 * Data resolution only applies to regular files. For a non-regular file (e.g. 371 * a device node, fifo or socket) on a union/overlay filesystem the overlay 372 * inode itself is returned; for any file on a non-union filesystem the inode 373 * attached to @file is returned. 374 * 375 * Return: The inode hosting @file's data, or NULL. 376 */ > 377 __bpf_kfunc struct inode *bpf_real_data_inode(struct file *file) 378 { 379 return d_real_inode(file_dentry(file)); 380 } 381 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki