Hi Jeff, I love your patch! Yet something to improve: [auto build test ERROR on ceph-client/for-linus] [also build test ERROR on v5.11] [cannot apply to next-20210216] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Jeff-Layton/ceph-disable-old-fsc... base: https://github.com/ceph/ceph-client.git for-linus config: i386-randconfig-s031-20210217 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-215-g0fb77bb6-dirty # https://github.com/0day-ci/linux/commit/c119dcb3fc1c0486f724c2d0e032cf08b... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jeff-Layton/ceph-disable-old-fscache-readpage-handling/20210217-215846 git checkout c119dcb3fc1c0486f724c2d0e032cf08b8b2ebcf # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from fs/ceph/super.c:22: 12 | #include <linux/netfs.h> | ^~~~~~~~~~~~~~~ compilation terminated. -- 15 | #include <linux/netfs.h> | ^~~~~~~~~~~~~~~ compilation terminated. vim +12 fs/ceph/cache.h 11 13 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org