Hi Dave, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on nfs/linux-next] [also build test WARNING on v5.7-rc1 next-20200415] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Dave-Wysochanski/NFS-Fix-fscache... base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next config: c6x-allyesconfig (attached as .config) compiler: c6x-elf-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=c6x If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): >> fs/nfs/fscache.c:228:8: warning: return type defaults to 'int' [-Wreturn-type] 228 | static nfs_fscache_update_auxdata(struct nfs_fscache_inode_auxdata *auxdata, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ fs/nfs/fscache.c: In function 'nfs_fscache_update_auxdata': >> fs/nfs/fscache.c:239:1: warning: control reaches end of non-void function [-Wreturn-type] 239 | } | ^ vim +/int +228 fs/nfs/fscache.c 227 > 228 static nfs_fscache_update_auxdata(struct nfs_fscache_inode_auxdata *auxdata, 229 struct nfs_inode *nfsi) 230 { 231 memset(auxdata, 0, sizeof(*auxdata)); 232 auxdata->mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec; 233 auxdata->mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec; 234 auxdata->ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec; 235 auxdata->ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec; 236 237 if (NFS_SERVER(&nfsi->vfs_inode)->nfs_client->rpc_ops->version == 4) 238 auxdata->change_attr = inode_peek_iversion_raw(&nfsi->vfs_inode); > 239 } 240 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org