Re: [PATCH RFC bpf-next v1 1/8] bpf: Support pinning in non-bpf file system.

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

Hi Hao,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Hao-Luo/Pinning-bpf-objects-outside-bpffs/20220107-055252
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: arm64-buildonly-randconfig-r006-20220106 (https://download.01.org/0day-ci/archive/20220108/202201080655.vV6uEYqH-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 32167bfe64a4c5dd4eb3f7a58e24f4cba76f5ac2)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/7c6dacd226b9d48b0c2bcc226bf890776267de90
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Hao-Luo/Pinning-bpf-objects-outside-bpffs/20220107-055252
        git checkout 7c6dacd226b9d48b0c2bcc226bf890776267de90
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash kernel/bpf/

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

All warnings (new ones prefixed by >>):

>> kernel/bpf/inode.c:83:5: warning: no previous prototype for function 'handle_inode_event' [-Wmissing-prototypes]
   int handle_inode_event(struct fsnotify_mark *mark, u32 mask,
       ^
   kernel/bpf/inode.c:83:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int handle_inode_event(struct fsnotify_mark *mark, u32 mask,
   ^
   static 
   1 warning generated.


vim +/handle_inode_event +83 kernel/bpf/inode.c

    81	
    82	/* Handler for any inode event. */
  > 83	int handle_inode_event(struct fsnotify_mark *mark, u32 mask,
    84			       struct inode *inode, struct inode *dir,
    85			       const struct qstr *file_name, u32 cookie)
    86	{
    87		return 0;
    88	}
    89	

---
0-DAY CI Kernel Test Service, Intel Corporation
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