[dhowells-fs:fscache-iter 47/68] main.c:undefined reference to `fscache_init_caching'

[dhowells-fs:fscache-iter 47/68] main.c:undefined reference to `fscache_init_caching'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git fscache-iter
head:   4b8b20981fdceabfb40c4f85ae768e5aa0cef9ba
commit: 787f5c02a2920a39a61d87f27428685a03251fac [47/68] fscache: Always create /proc/fs/fscache/stats if configured
config: i386-randconfig-a005-20200923 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        git checkout 787f5c02a2920a39a61d87f27428685a03251fac
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All errors (new ones prefixed by >>):

   ld: fs/fscache/main.o: in function `fscache_init':
>> main.c:(.init.text+0x1f): undefined reference to `fscache_init_caching'
   ld: fs/fscache/main.o: in function `fscache_exit':
>> main.c:(.exit.text+0x10): undefined reference to `fscache_exit_caching'
   ld: fs/fscache/read_helper.o: in function `fscache_read_from_cache':
   read_helper.c:(.text+0x560): undefined reference to `fscache_read'
   ld: fs/fscache/read_helper.o: in function `fscache_rreq_do_write_to_cache':
   read_helper.c:(.text+0xe28): undefined reference to `fscache_write'

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

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