tree: git://git.infradead.org/users/hch/misc.git quota-compat head: 50cfd16ee025f4dab73eccc8e159cef8a46b6e23 commit: 50cfd16ee025f4dab73eccc8e159cef8a46b6e23 [1/1] quota: simplify the quotactl compat handling config: alpha-allmodconfig (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 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 git checkout 50cfd16ee025f4dab73eccc8e159cef8a46b6e23 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha 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 >>): In file included from fs/quota/quota.c:22: 9 | compat_u64 dqb_bhardlimit; | ^~~~~~~~~~ fs/quota/compat.h:10:2: error: unknown type name 'compat_u64' 10 | compat_u64 dqb_bsoftlimit; | ^~~~~~~~~~ fs/quota/compat.h:11:2: error: unknown type name 'compat_u64' 11 | compat_u64 dqb_curspace; | ^~~~~~~~~~ fs/quota/compat.h:12:2: error: unknown type name 'compat_u64' 12 | compat_u64 dqb_ihardlimit; | ^~~~~~~~~~ fs/quota/compat.h:13:2: error: unknown type name 'compat_u64' 13 | compat_u64 dqb_isoftlimit; | ^~~~~~~~~~ fs/quota/compat.h:14:2: error: unknown type name 'compat_u64' 14 | compat_u64 dqb_curinodes; | ^~~~~~~~~~ fs/quota/compat.h:15:2: error: unknown type name 'compat_u64' 15 | compat_u64 dqb_btime; | ^~~~~~~~~~ fs/quota/compat.h:16:2: error: unknown type name 'compat_u64' 16 | compat_u64 dqb_itime; | ^~~~~~~~~~ fs/quota/compat.h:22:2: error: unknown type name 'compat_u64' 22 | compat_u64 dqb_bhardlimit; | ^~~~~~~~~~ fs/quota/compat.h:23:2: error: unknown type name 'compat_u64' 23 | compat_u64 qfs_nblks; | ^~~~~~~~~~ vim +/compat_u64 +9 fs/quota/compat.h 3 4 /* 5 * This code works only for 32 bit quota tools over 64 bit OS (x86_64, ia64) 6 * and is necessary due to alignment problems. 7 */ 8 struct compat_if_dqblk { 10 compat_u64 dqb_bsoftlimit; 11 compat_u64 dqb_curspace; 12 compat_u64 dqb_ihardlimit; 13 compat_u64 dqb_isoftlimit; 14 compat_u64 dqb_curinodes; 15 compat_u64 dqb_btime; 16 compat_u64 dqb_itime; 17 compat_uint_t dqb_valid; 18 }; 19 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org