Re: [PATCH 2/2] NFSD: add counter for write delegation recall due to conflict with GETATTR

[kernel test robot <lkp@xxxxxxxxx>]

Hi Dai,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.4-rc3 next-20230525]
[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/Dai-Ngo/NFSD-handle-GETATTR-conflict-with-write-delegation/20230527-013936
base:   linus/master
patch link:    https://lore.kernel.org/r/1685122722-18287-3-git-send-email-dai.ngo%40oracle.com
patch subject: [PATCH 2/2] NFSD: add counter for write delegation recall due to conflict with GETATTR
config: i386-randconfig-i074-20230526 (https://download.01.org/0day-ci/archive/20230528/202305280121.3RAeAt4l-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/a90d0ca71c9459b76f9faa8c704c029ac8066d00
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Dai-Ngo/NFSD-handle-GETATTR-conflict-with-write-delegation/20230527-013936
        git checkout a90d0ca71c9459b76f9faa8c704c029ac8066d00
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross 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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305280121.3RAeAt4l-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from fs/nfsd/trace.c:4:
   In file included from fs/nfsd/trace.h:17:
   In file included from fs/nfsd/xdr4.h:40:
   In file included from fs/nfsd/state.h:42:
   In file included from fs/nfsd/nfsd.h:28:
>> fs/nfsd/stats.h:99:40: error: use of undeclared identifier 'NFSD_STATS_WDELEG_GETATTR'
           percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_WDELEG_GETATTR]);
                                                 ^
   1 error generated.
--
   In file included from fs/nfsd/export.c:21:
   In file included from fs/nfsd/nfsd.h:28:
>> fs/nfsd/stats.h:99:40: error: use of undeclared identifier 'NFSD_STATS_WDELEG_GETATTR'
           percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_WDELEG_GETATTR]);
                                                 ^
   fs/nfsd/export.c:1005:17: warning: variable 'inode' set but not used [-Wunused-but-set-variable]
           struct inode            *inode;
                                    ^
   1 warning and 1 error generated.


vim +/NFSD_STATS_WDELEG_GETATTR +99 fs/nfsd/stats.h

    96	
    97	static inline void nfsd_stats_wdeleg_getattr_inc(void)
    98	{
  > 99		percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_WDELEG_GETATTR]);

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https://github.com/intel/lkp-tests/wiki