Hi Mateusz, kernel test robot noticed the following build errors: [auto build test ERROR on brauner-vfs/vfs.all] [also build test ERROR on linus/master v6.14-rc5 next-20250307] [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/Mateusz-Guzik/fs-support-filename-refcount-without-atomics/20250308-002442 base: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all patch link: https://lore.kernel.org/r/20250307161155.760949-1-mjguzik%40gmail.com patch subject: [PATCH] fs: support filename refcount without atomics config: i386-buildonly-randconfig-003-20250308 (https://download.01.org/0day-ci/archive/20250308/202503082153.UnKZ6sGP-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250308/202503082153.UnKZ6sGP-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/202503082153.UnKZ6sGP-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: >> include/linux/fs.h:2875:19: error: no member named 'owner' in 'struct filename' 2875 | VFS_BUG_ON(name->owner != current && !name->is_atomic); | ~~~~ ^ include/linux/vfsdebug.h:35:47: note: expanded from macro 'VFS_BUG_ON' 35 | #define VFS_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond) | ^~~~ include/linux/build_bug.h:30:63: note: expanded from macro 'BUILD_BUG_ON_INVALID' 30 | #define BUILD_BUG_ON_INVALID(e) ((void)(sizeof((__force long)(e)))) | ^ In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: include/linux/fs.h:2884:19: error: no member named 'owner' in 'struct filename' 2884 | VFS_BUG_ON(name->owner != current && !name->is_atomic); | ~~~~ ^ include/linux/vfsdebug.h:35:47: note: expanded from macro 'VFS_BUG_ON' 35 | #define VFS_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond) | ^~~~ include/linux/build_bug.h:30:63: note: expanded from macro 'BUILD_BUG_ON_INVALID' 30 | #define BUILD_BUG_ON_INVALID(e) ((void)(sizeof((__force long)(e)))) | ^ 2 errors generated. make[3]: *** [scripts/Makefile.build:102: arch/x86/kernel/asm-offsets.s] Error 1 shuffle=2759713076 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1264: prepare0] Error 2 shuffle=2759713076 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:251: __sub-make] Error 2 shuffle=2759713076 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:251: __sub-make] Error 2 shuffle=2759713076 make: Target 'prepare' not remade because of errors. vim +2875 include/linux/fs.h 2866 2867 static inline void makeatomicname(struct filename *name) 2868 { 2869 VFS_BUG_ON(IS_ERR_OR_NULL(name)); 2870 /* 2871 * The name can legitimately already be atomic if it was cached by audit. 2872 * If switching the refcount to atomic, we need not to know we are the 2873 * only non-atomic user. 2874 */ > 2875 VFS_BUG_ON(name->owner != current && !name->is_atomic); 2876 /* 2877 * Don't bother branching, this is a store to an already dirtied cacheline. 2878 */ 2879 name->is_atomic = true; 2880 } 2881 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
