Hi Seyediman, kernel test robot noticed the following build errors: [auto build test ERROR on jack-fs/fsnotify] [also build test ERROR on linus/master v6.14-rc5 next-20250304] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Seyediman-Seyedarab/inotify-disallow-watches-on-unsupported-filesystems/20250304-160213 base: https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git fsnotify patch link: https://lore.kernel.org/r/20250304080044.7623-1-ImanDevel%40gmail.com patch subject: [PATCH] inotify: disallow watches on unsupported filesystems config: s390-randconfig-002-20250305 (https://download.01.org/0day-ci/archive/20250305/202503051755.5uktuxba-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250305/202503051755.5uktuxba-lkp@xxxxxxxxx/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 | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503051755.5uktuxba-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/kernel.h:16, from include/linux/cpumask.h:11, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/spinlock.h:63, from include/linux/wait.h:9, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from fs/notify/inotify/inotify_user.c:17: fs/notify/inotify/inotify_user.c: In function 'is_unwatchable_fs': >> fs/notify/inotify/inotify_user.c:702:40: error: 'unwatchable_fs' undeclared (first use in this function); did you mean 'is_unwatchable_fs'? 702 | for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++) | ^~~~~~~~~~~~~~ include/linux/array_size.h:11:33: note: in definition of macro 'ARRAY_SIZE' 11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) | ^~~ fs/notify/inotify/inotify_user.c:702:40: note: each undeclared identifier is reported only once for each function it appears in 702 | for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++) | ^~~~~~~~~~~~~~ include/linux/array_size.h:11:33: note: in definition of macro 'ARRAY_SIZE' 11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) | ^~~ In file included from include/linux/file.h:9, from fs/notify/inotify/inotify_user.c:16: include/linux/compiler.h:245:77: error: expression in static assertion is not an integer 245 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/compiler.h:249:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 249 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(__same_type((a), &(a)[0]), "must be array") | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array' 11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) | ^~~~~~~~~~~~~~~ fs/notify/inotify/inotify_user.c:702:29: note: in expansion of macro 'ARRAY_SIZE' 702 | for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++) | ^~~~~~~~~~ vim +702 fs/notify/inotify/inotify_user.c 698 699 700 static inline bool is_unwatchable_fs(struct inode *inode) 701 { > 702 for (int i = 0; i < ARRAY_SIZE(unwatchable_fs); i++) 703 if (inode->i_sb->s_magic == unwatchable_fs[i]) 704 return true; 705 return false; 706 } 707 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
