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Date:   Thu, 5 Aug 2021 16:44:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     Gabriel Krisman Bertazi <krisman@...labora.com>, jack@...e.com,
        amir73il@...il.com
Cc:     kbuild-all@...ts.01.org, djwong@...nel.org, tytso@....edu,
        david@...morbit.com, dhowells@...hat.com, khazhy@...gle.com,
        linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-api@...r.kernel.org
Subject: Re: [PATCH v5 04/23] fsnotify: Reserve mark bits for backends

Hi Gabriel,

I love your patch! Yet something to improve:

[auto build test ERROR on ext3/fsnotify]
[also build test ERROR on ext4/dev ext3/for_next linus/master v5.14-rc4 next-20210804]
[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]

url:    https://github.com/0day-ci/linux/commits/Gabriel-Krisman-Bertazi/File-system-wide-monitoring/20210805-001201
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git fsnotify
config: powerpc-ppc64_defconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/e5294af07c565333b5efb87d6b431d7d601a1043
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Gabriel-Krisman-Bertazi/File-system-wide-monitoring/20210805-001201
        git checkout e5294af07c565333b5efb87d6b431d7d601a1043
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/fsnotify.h:15,
                    from arch/powerpc/platforms/cell/spufs/inode.c:15:
   include/linux/fsnotify_backend.h:367:27: error: 'FSNOTIFY_MARK_FLAG_ATTACHED' defined but not used [-Werror=unused-const-variable=]
     367 | static const unsigned int FSNOTIFY_MARK_FLAG_##flag = \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/linux/fsnotify_backend.h:379:1: note: in expansion of macro 'FSNOTIFY_MARK_FLAG'
     379 | FSNOTIFY_MARK_FLAG(ATTACHED);
         | ^~~~~~~~~~~~~~~~~~
   include/linux/fsnotify_backend.h:367:27: error: 'FSNOTIFY_MARK_FLAG_ALIVE' defined but not used [-Werror=unused-const-variable=]
     367 | static const unsigned int FSNOTIFY_MARK_FLAG_##flag = \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/linux/fsnotify_backend.h:378:1: note: in expansion of macro 'FSNOTIFY_MARK_FLAG'
     378 | FSNOTIFY_MARK_FLAG(ALIVE);
         | ^~~~~~~~~~~~~~~~~~
>> include/linux/fsnotify_backend.h:367:27: error: 'FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY' defined but not used [-Werror=unused-const-variable=]
     367 | static const unsigned int FSNOTIFY_MARK_FLAG_##flag = \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/linux/fsnotify_backend.h:377:1: note: in expansion of macro 'FSNOTIFY_MARK_FLAG'
     377 | FSNOTIFY_MARK_FLAG(IGNORED_SURV_MODIFY);
         | ^~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY +367 include/linux/fsnotify_backend.h

   365	
   366	#define FSNOTIFY_MARK_FLAG(flag)	\
 > 367	static const unsigned int FSNOTIFY_MARK_FLAG_##flag = \
   368		(1 << FSN_MARK_FL_BIT_##flag)
   369	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (26804 bytes)

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