Re: [RFC PATCH] f2fs: expand f2fs_compr_option to allow ioctl setting compression level

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

Hi Sheng,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on jaegeuk-f2fs/dev-test]
[also build test ERROR on jaegeuk-f2fs/dev next-20230330]
[cannot apply to linus/master v6.3-rc4]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Sheng-Yong/f2fs-expand-f2fs_compr_option-to-allow-ioctl-setting-compression-level/20230330-233928
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test
patch link:    https://lore.kernel.org/r/20230330153719.3085164-1-shengyong%40oppo.com
patch subject: [RFC PATCH] f2fs: expand f2fs_compr_option to allow ioctl setting compression level
config: x86_64-randconfig-a015 (https://download.01.org/0day-ci/archive/20230331/202303310601.ffuatWCu-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/d454d77b29654af47145c3ff3b9a59714f84ca6a
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Sheng-Yong/f2fs-expand-f2fs_compr_option-to-allow-ioctl-setting-compression-level/20230330-233928
        git checkout d454d77b29654af47145c3ff3b9a59714f84ca6a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        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@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303310601.ffuatWCu-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
>> ./usr/include/linux/f2fs.h:109:37: error: C++ style comments are not allowed in ISO C90
     109 |                         __u8 value; // MSB 4 bit is version, LSB 4 bit is algorithm
         |                                     ^
   ./usr/include/linux/f2fs.h:109:37: note: (this will be reported only once per input file)

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests