[mszeredi-vfs:statmount-v2 2/3] fs/namespace.c:4869: undefined reference to `show_path'

[mszeredi-vfs:statmount-v2 2/3] fs/namespace.c:4869: undefined reference to `show_path'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git statmount-v2
head:   9b5ff63d2b9b94298e6c9fbac4df9e77e6901fc9
commit: 43d6746354fa23a231946542c476e14f483c44c5 [2/3] add statmount(2) syscall
config: i386-buildonly-randconfig-001-20230921 (https://download.01.org/0day-ci/archive/20230921/202309211427.pt52GuFm-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230921/202309211427.pt52GuFm-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/202309211427.pt52GuFm-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: fs/namespace.o: in function `stmt_mnt_root':
>> fs/namespace.c:4869: undefined reference to `show_path'


vim +4869 fs/namespace.c

  4865	
  4866	static int stmt_mnt_root(struct stmt_state *s)
  4867	{
  4868		struct seq_file *seq = &s->seq;
> 4869		int err = show_path(seq, s->mnt->mnt_root);
  4870	
  4871		if (!err && !seq_has_overflowed(seq)) {
  4872			seq->buf[seq->count] = '\0';
  4873			seq->count = string_unescape_inplace(seq->buf, UNESCAPE_OCTAL);
  4874		}
  4875		return err;
  4876	}
  4877	

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