linux-kernel - Re: [PATCH 1/2] f2fs: fix wrong calculation of block age

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Message-ID: <202301141655.AhJtzXCb-lkp@intel.com>
Date:   Sat, 14 Jan 2023 16:52:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     qixiaoyu1 <qxy65535@...il.com>, Jaegeuk Kim <jaegeuk@...nel.org>,
        Chao Yu <yuchao0@...wei.com>, Chao Yu <chao@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, xiongping1@...omi.com,
        qixiaoyu1 <qixiaoyu1@...omi.com>
Subject: Re: [PATCH 1/2] f2fs: fix wrong calculation of block age

Hi qixiaoyu1,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on v6.2-rc3]
[also build test ERROR on linus/master next-20230113]
[cannot apply to jaegeuk-f2fs/dev-test jaegeuk-f2fs/dev]
[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/qixiaoyu1/f2fs-add-sysfs-nodes-to-set-last_age_weight/20230113-211357
patch link:    https://lore.kernel.org/r/20230113125859.15651-1-qixiaoyu1%40xiaomi.com
patch subject: [PATCH 1/2] f2fs: fix wrong calculation of block age
config: i386-randconfig-a014
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/17ca20d13dd15a8fb4689cbe1817a8d037915199
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review qixiaoyu1/f2fs-add-sysfs-nodes-to-set-last_age_weight/20230113-211357
        git checkout 17ca20d13dd15a8fb4689cbe1817a8d037915199
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   ld: fs/f2fs/extent_cache.o: in function `__calculate_block_age':
>> fs/f2fs/extent_cache.c:877: undefined reference to `__udivdi3'
>> ld: fs/f2fs/extent_cache.c:877: undefined reference to `__udivdi3'


vim +877 fs/f2fs/extent_cache.c

   873	
   874	static unsigned long long __calculate_block_age(unsigned long long new,
   875							unsigned long long old)
   876	{
 > 877		return new - new / 100 * LAST_AGE_WEIGHT + old / 100 * LAST_AGE_WEIGHT;
   878	}
   879	

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

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