[mszeredi-vfs:statmount 2/3] fs/namespace.c:4868:undefined reference to `show_path'

[mszeredi-vfs:statmount 2/3] fs/namespace.c:4868:undefined reference to `show_path'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git statmount
head:   519d04c265dadbaf8c742e3af3141b7caf673412
commit: 6ece52ce99c69f998a436fbd735a0dafe1391eeb [2/3] add statmount(2) syscall
config: powerpc-randconfig-001-20230920 (https://download.01.org/0day-ci/archive/20230920/202309200921.zzKu32lP-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230920/202309200921.zzKu32lP-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/202309200921.zzKu32lP-lkp@intel.com/

All errors (new ones prefixed by >>):

   powerpc-linux-ld: fs/namespace.o: in function `stmt_mnt_root':
>> fs/namespace.c:4868:(.text+0x1ae4): undefined reference to `show_path'


vim +4868 fs/namespace.c

  4864	
  4865	static int stmt_mnt_root(struct stmt_state *s)
  4866	{
  4867		struct seq_file *seq = &s->seq;
> 4868		int err = show_path(seq, s->mnt->mnt_root);
  4869	
  4870		if (!err && !seq_has_overflowed(seq)) {
  4871			seq->buf[seq->count] = '\0';
  4872			seq->count = string_unescape_inplace(seq->buf, UNESCAPE_OCTAL);
  4873		}
  4874		return err;
  4875	}
  4876	

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