[kbuild-all] fs/sysfs/mount.c:94:33: error: use of undeclared identifier 'FS_GENERATED_CONTENT'

tree: https://github.com/0day-ci/linux/commits/UPDATE-20210215-234802/Nicolas-B... head: 1f5dbceb88c301c0c0140c87c04e05fad25a8517 commit: d6a6053df0a5e8f7942da747059164239b929f15 sysfs: Add FS_GENERATED_CONTENT to filesystem flags date: 15 hours ago config: x86_64-randconfig-a003-20210215 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/d6a6053df0a5e8f7942da747059164239... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review UPDATE-20210215-234802/Nicolas-Boichat/Add-generated-flag-to-filesystem-struct-to-block-copy_file_range/20210212-124814 git checkout d6a6053df0a5e8f7942da747059164239b929f15 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): .fs_flags = FS_USERNS_MOUNT | FS_GENERATED_CONTENT, ^ 1 error generated. vim +/FS_GENERATED_CONTENT +94 fs/sysfs/mount.c 89 90 static struct file_system_type sysfs_fs_type = { 91 .name = "sysfs", 92 .init_fs_context = sysfs_init_fs_context, 93 .kill_sb = sysfs_kill_sb, 95 }; 96 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org