linux-kernel - Re: [PATCH] NFSv4.2: fix wrong shrinker

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Date:   Thu, 15 Jun 2023 10:46:21 +0800
From:   Qi Zheng <qi.zheng@...ux.dev>
To:     kernel test robot <lkp@...el.com>, Qi Zheng <qi.zheng@...ux.dev>,
        trond.myklebust@...merspace.com, anna@...nel.org,
        fllinden@...zon.com
Cc:     oe-kbuild-all@...ts.linux.dev, linux-nfs@...r.kernel.org,
        linux-kernel@...r.kernel.org, Qi Zheng <zhengqi.arch@...edance.com>
Subject: Re: [PATCH] NFSv4.2: fix wrong shrinker_id



On 2023/6/15 02:06, kernel test robot wrote:
> Hi Qi,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on linus/master]
> [also build test ERROR on trondmy-nfs/linux-next v6.4-rc6 next-20230614]
> [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/Qi-Zheng/NFSv4-2-fix-wrong-shrinker_id/20230614-152853
> base:   linus/master
> patch link:    https://lore.kernel.org/r/20230614072443.3264264-1-qi.zheng%40linux.dev
> patch subject: [PATCH] NFSv4.2: fix wrong shrinker_id
> config: i386-debian-10.3 (https://download.01.org/0day-ci/archive/20230615/202306150121.cN9iKnvx-lkp@intel.com/config)
> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> reproduce (this is a W=1 build):
>          git checkout linus/master
>          b4 shazam https://lore.kernel.org/r/20230614072443.3264264-1-qi.zheng@linux.dev
>          # 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 in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202306150121.cN9iKnvx-lkp@intel.com/
> 
> All errors (new ones prefixed by >>, old ones prefixed by <<):
> 
>>> ERROR: modpost: "free_prealloced_shrinker" [fs/nfs/nfsv4.ko] undefined!
>>> ERROR: modpost: "register_shrinker_prepared" [fs/nfs/nfsv4.ko] undefined!
>>> ERROR: modpost: "prealloc_shrinker" [fs/nfs/nfsv4.ko] undefined!

Ah, these three functions need to be exported. Will fix it in the v2.

>