Re: [PATCH 4/8] block: Fix handling of tasks without ioprio in ioprio_get(2)

[kernel test robot <lkp@intel.com>]

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: s390-randconfig-r044-20220620 (https://download.01.org/0day-ci/archive/20220621/202206210431.uTcCuUoS-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project af6d2a0b6825e71965f3e2701a63c239fa0ad70f)
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 s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # 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
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   /opt/cross/gcc-11.3.0-nolibc/s390x-linux/bin/s390x-linux-ld: fs/read_write.o: in function `get_current_ioprio':
>> include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio'
>> /opt/cross/gcc-11.3.0-nolibc/s390x-linux/bin/s390x-linux-ld: include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio'
>> /opt/cross/gcc-11.3.0-nolibc/s390x-linux/bin/s390x-linux-ld: include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio'
>> /opt/cross/gcc-11.3.0-nolibc/s390x-linux/bin/s390x-linux-ld: include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio'
>> /opt/cross/gcc-11.3.0-nolibc/s390x-linux/bin/s390x-linux-ld: include/linux/ioprio.h:53: undefined reference to `__get_task_ioprio'
   /opt/cross/gcc-11.3.0-nolibc/s390x-linux/bin/s390x-linux-ld: fs/seq_file.o:include/linux/ioprio.h:53: more undefined references to `__get_task_ioprio' follow


vim +53 include/linux/ioprio.h

    50	
    51	static inline int get_current_ioprio(void)
    52	{
  > 53		return __get_task_ioprio(current);
    54	}
    55	

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