Hi Jan, I love your patch! Yet something to improve: [auto build test ERROR on axboe-block/for-next] [also build test ERROR on linus/master v5.19-rc2 next-20220617] [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/Jan-Kara/block-Fix-IO-priority-mess/20220621-001427 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: x86_64-randconfig-a003-20220620 (https://download.01.org/0day-ci/archive/20220621/202206210442.Th4HzcuP-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/73f39284cec50db7a3e973a9a4ed56f7f706dd1b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jan-Kara/block-Fix-IO-priority-mess/20220621-001427 git checkout 73f39284cec50db7a3e973a9a4ed56f7f706dd1b # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: vmlinux.o: in function `get_current_ioprio': >> include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio' >> ld: include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio' >> ld: include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio' >> ld: include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio' >> ld: include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio' vim +53 include/linux/ioprio.h 50 51 static inline int get_current_ioprio(void) 52 { > 53 return __get_task_ioprio(current); 54 } 55 -- 0-DAY CI Kernel Test Service https://01.org/lkp