Re: [PATCH v2] fanotify: notify on mount attach and detach

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

Hi Miklos,

kernel test robot noticed the following build errors:

[auto build test ERROR on brauner-vfs/vfs.all]
[also build test ERROR on linus/master v6.13-rc1]
[cannot apply to jack-fs/fsnotify pcmoore-selinux/next next-20241206]
[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/Miklos-Szeredi/fanotify-notify-on-mount-attach-and-detach/20241206-231407
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
patch link:    https://lore.kernel.org/r/20241206151154.60538-1-mszeredi%40redhat.com
patch subject: [PATCH v2] fanotify: notify on mount attach and detach
config: hexagon-randconfig-001-20241207 (https://download.01.org/0day-ci/archive/20241207/202412071410.oxkaXcVR-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241207/202412071410.oxkaXcVR-lkp@intel.com/reproduce)

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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412071410.oxkaXcVR-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from fs/coredump.c:36:
   include/linux/fsnotify.h:258:20: error: redefinition of 'fsnotify_mntns_delete'
   static inline void fsnotify_mntns_delete(struct mnt_namespace *mntns)
                      ^
   include/linux/fsnotify_backend.h:914:20: note: previous definition is here
   static inline void fsnotify_mntns_delete(struct mnt_namespace *mntns)
                      ^
   In file included from fs/coredump.c:36:
>> include/linux/fsnotify.h:260:2: error: implicit declaration of function '__fsnotify_mntns_delete' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           __fsnotify_mntns_delete(mntns);
           ^
   include/linux/fsnotify.h:260:2: note: did you mean 'fsnotify_mntns_delete'?
   include/linux/fsnotify.h:258:20: note: 'fsnotify_mntns_delete' declared here
   static inline void fsnotify_mntns_delete(struct mnt_namespace *mntns)
                      ^
   2 errors generated.
--
   In file included from fs/namespace.c:22:
   include/linux/fsnotify.h:258:20: error: redefinition of 'fsnotify_mntns_delete'
   static inline void fsnotify_mntns_delete(struct mnt_namespace *mntns)
                      ^
   include/linux/fsnotify_backend.h:914:20: note: previous definition is here
   static inline void fsnotify_mntns_delete(struct mnt_namespace *mntns)
                      ^
   In file included from fs/namespace.c:22:
>> include/linux/fsnotify.h:260:2: error: implicit declaration of function '__fsnotify_mntns_delete' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           __fsnotify_mntns_delete(mntns);
           ^
   include/linux/fsnotify.h:260:2: note: did you mean 'fsnotify_mntns_delete'?
   include/linux/fsnotify.h:258:20: note: 'fsnotify_mntns_delete' declared here
   static inline void fsnotify_mntns_delete(struct mnt_namespace *mntns)
                      ^
>> fs/namespace.c:1126:10: error: no member named 'n_fsnotify_marks' in 'struct mnt_namespace'
           if (ns->n_fsnotify_marks)
               ~~  ^
   3 errors generated.


vim +/__fsnotify_mntns_delete +260 include/linux/fsnotify.h

   257	
 > 258	static inline void fsnotify_mntns_delete(struct mnt_namespace *mntns)
   259	{
 > 260		__fsnotify_mntns_delete(mntns);
   261	}
   262	

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