[ammarfaizi2-block:dhowells/linux-fs/netfs-linked-list 36/59] ERROR: modpost: "fscache_begin_cache_operation" [fs/ceph/ceph.ko] undefined!

[kernel test robot]

tree:   https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/netfs-linked-list
head:   22ecc2fcdab4616e624408911ec1d54644e82030
commit: e761d039ea17aeaa3a5642e428b713473606798b [36/59] fscache: Add a function to begin an cache op from a netfslib request
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20220602/202206020747.ZdNsGuNi-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/ammarfaizi2/linux-block/commit/e761d039ea17aeaa3a5642e428b713473606798b
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/netfs-linked-list
        git checkout e761d039ea17aeaa3a5642e428b713473606798b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "fscache_begin_cache_operation" [fs/ceph/ceph.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp