Hi Gabriel, I love your patch! Yet something to improve: [auto build test ERROR on tytso-ext4/dev] [also build test ERROR on jaegeuk-f2fs/dev-test linus/master v5.18-rc4 next-20220428] [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] url: https://github.com/intel-lab-lkp/linux/commits/Gabriel-Krisman-Bertazi/Clean-up-the-case-insenstive-lookup-path/20220429-061233 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev config: microblaze-buildonly-randconfig-r004-20220428 (https://download.01.org/0day-ci/archive/20220429/202204291327.Jwfp0oHk-lkp@xxxxxxxxx/config) compiler: microblaze-linux-gcc (GCC) 11.3.0 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 # https://github.com/intel-lab-lkp/linux/commit/51d480019fcf38c09d664fc2d459907908b62615 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Gabriel-Krisman-Bertazi/Clean-up-the-case-insenstive-lookup-path/20220429-061233 git checkout 51d480019fcf38c09d664fc2d459907908b62615 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=microblaze SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "generic_ci_match" [fs/ext4/ext4.ko] undefined! -- 0-DAY CI Kernel Test Service https://01.org/lkp