[dhowells-fs:netfs-writeback 21/21] ld: client.c:undefined reference to `netfs_write_subrequest_terminated'

[dhowells-fs:netfs-writeback 21/21] ld: client.c:undefined reference to `netfs_write_subrequest_terminated'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-writeback
head:   0ae2fe605a739d267125eb3c62534722dca7ad41
commit: 0ae2fe605a739d267125eb3c62534722dca7ad41 [21/21] netfs: Use writeback_iter() and improve the writeback algorithm
config: x86_64-buildonly-randconfig-001-20240315 (https://download.01.org/0day-ci/archive/20240316/202403160055.ONfarKLE-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240316/202403160055.ONfarKLE-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/202403160055.ONfarKLE-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: net/9p/client.o: in function `p9_client_write_subreq':
   client.c:(.text+0x5235): undefined reference to `netfs_write_subrequest_terminated'
>> ld: client.c:(.text+0x5290): undefined reference to `netfs_write_subrequest_terminated'
   ld: client.c:(.text+0x52f1): undefined reference to `netfs_write_subrequest_terminated'

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https://github.com/intel/lkp-tests/wiki