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

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

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: parisc-defconfig (https://download.01.org/0day-ci/archive/20230527/202305271936.3kL7Ufxk-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 12.1.0
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=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash fs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305271936.3kL7Ufxk-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from fs/nfsd/nfsd.h:28,
                    from fs/nfsd/state.h:42,
                    from fs/nfsd/xdr4.h:40,
                    from fs/nfsd/trace.h:17,
                    from fs/nfsd/trace.c:4:
   fs/nfsd/stats.h: In function 'nfsd_stats_wdeleg_getattr_inc':
>> fs/nfsd/stats.h:99:47: error: 'NFSD_STATS_WDELEG_GETATTR' undeclared (first use in this function)
      99 |         percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_WDELEG_GETATTR]);
         |                                               ^~~~~~~~~~~~~~~~~~~~~~~~~
   fs/nfsd/stats.h:99:47: note: each undeclared identifier is reported only once for each function it appears in
--
   In file included from fs/nfsd/nfsd.h:28,
                    from fs/nfsd/export.c:21:
   fs/nfsd/stats.h: In function 'nfsd_stats_wdeleg_getattr_inc':
>> fs/nfsd/stats.h:99:47: error: 'NFSD_STATS_WDELEG_GETATTR' undeclared (first use in this function)
      99 |         percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_WDELEG_GETATTR]);
         |                                               ^~~~~~~~~~~~~~~~~~~~~~~~~
   fs/nfsd/stats.h:99:47: note: each undeclared identifier is reported only once for each function it appears in
   fs/nfsd/export.c: In function 'exp_rootfh':
   fs/nfsd/export.c:1005:34: warning: variable 'inode' set but not used [-Wunused-but-set-variable]
    1005 |         struct inode            *inode;
         |                                  ^~~~~
--
   In file included from fs/nfsd/nfsd.h:28,
                    from fs/nfsd/state.h:42,
                    from fs/nfsd/xdr4.h:40,
                    from fs/nfsd/trace.h:17,
                    from fs/nfsd/trace.c:4:
   fs/nfsd/stats.h: In function 'nfsd_stats_wdeleg_getattr_inc':
>> fs/nfsd/stats.h:99:47: error: 'NFSD_STATS_WDELEG_GETATTR' undeclared (first use in this function)
      99 |         percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_WDELEG_GETATTR]);
         |                                               ^~~~~~~~~~~~~~~~~~~~~~~~~
   fs/nfsd/stats.h:99:47: note: each undeclared identifier is reported only once for each function it appears in
   In file included from fs/nfsd/trace.h:1589:
   include/trace/define_trace.h: At top level:
   include/trace/define_trace.h:95:42: fatal error: ./trace.h: No such file or directory
      95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
         |                                          ^
   compilation terminated.


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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