Hi Joe, I love your patch! Yet something to improve: [auto build test ERROR on ceph-client/for-linus] [also build test ERROR on v5.9-rc1 next-20200814] [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/Joe-Perches/ceph-Neaten-debugging/20200817-060623 base: https://github.com/ceph/ceph-client.git for-linus config: openrisc-randconfig-r026-20200817 (attached as .config) compiler: or1k-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): 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 COMPILER=gcc-9.3.0 make.cross ARCH=openrisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): net/ceph/ceph_common.c: In function 'parse_fsid': >> net/ceph/ceph_common.c:227:2: error: implicit declaration of function 'dout'; did you mean 'dput'? [-Werror=implicit-function-declaration] 227 | dout("parse_fsid '%s'\n", str); | ^~~~ | dput In file included from net/ceph/ceph_common.c:24: At top level: include/linux/ceph/ceph_features.h:21:24: warning: 'DEPRECATED_CEPH_FEATUREMASK_RESERVED_BROKEN' defined but not used [-Wunused-const-variable=] 21 | static const uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/ceph/ceph_features.h:172:1: note: in expansion of macro 'DEFINE_CEPH_FEATURE_DEPRECATED' 172 | DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facing | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/ceph/ceph_features.h:20:24: warning: 'DEPRECATED_CEPH_FEATURE_RESERVED_BROKEN' defined but not used [-Wunused-const-variable=] 20 | static const uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<> net/ceph/messenger.c:309:2: error: implicit declaration of function 'dout'; did you mean 'dput'? [-Werror=implicit-function-declaration] 309 | dout("%s con %p sock %d -> %d\n", __func__, con, old_state, | ^~~~ | dput In file included from net/ceph/messenger.c:21: At top level: include/linux/ceph/ceph_features.h:21:24: warning: 'DEPRECATED_CEPH_FEATUREMASK_RESERVED_BROKEN' defined but not used [-Wunused-const-variable=] 21 | static const uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/ceph/ceph_features.h:172:1: note: in expansion of macro 'DEFINE_CEPH_FEATURE_DEPRECATED' 172 | DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facing | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/ceph/ceph_features.h:20:24: warning: 'DEPRECATED_CEPH_FEATURE_RESERVED_BROKEN' defined but not used [-Wunused-const-variable=] 20 | static const uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<> net/ceph/msgpool.c:20:3: error: implicit declaration of function 'dout'; did you mean 'dput'? [-Werror=implicit-function-declaration] 20 | dout("msgpool_alloc %s failed\n", pool->name); | ^~~~ | dput cc1: some warnings being treated as errors -- net/ceph/buffer.c: In function 'ceph_buffer_new': >> net/ceph/buffer.c:29:2: error: implicit declaration of function 'dout'; did you mean 'dput'? [-Werror=implicit-function-declaration] 29 | dout("buffer_new %p\n", b); | ^~~~ | dput cc1: some warnings being treated as errors -- net/ceph/mon_client.c: In function 'ceph_monmap_decode': >> net/ceph/mon_client.c:53:2: error: implicit declaration of function 'dout'; did you mean 'dput'? [-Werror=implicit-function-declaration] 53 | dout("monmap_decode %p %p len %d (%d)\n", p, end, len, (int)(end-p)); | ^~~~ | dput In file included from net/ceph/mon_client.c:10: At top level: include/linux/ceph/ceph_features.h:21:24: warning: 'DEPRECATED_CEPH_FEATUREMASK_RESERVED_BROKEN' defined but not used [-Wunused-const-variable=] 21 | static const uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/ceph/ceph_features.h:172:1: note: in expansion of macro 'DEFINE_CEPH_FEATURE_DEPRECATED' 172 | DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facing | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/ceph/ceph_features.h:20:24: warning: 'DEPRECATED_CEPH_FEATURE_RESERVED_BROKEN' defined but not used [-Wunused-const-variable=] 20 | static const uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<fsid[i] = d & 0xff; 3d14c5d2b6e15c Yehuda Sadeh 2010-04-06 241 i++; 3d14c5d2b6e15c Yehuda Sadeh 2010-04-06 242 str += 2; 3d14c5d2b6e15c Yehuda Sadeh 2010-04-06 243 } 3d14c5d2b6e15c Yehuda Sadeh 2010-04-06 244 3d14c5d2b6e15c Yehuda Sadeh 2010-04-06 245 if (i == 16) 3d14c5d2b6e15c Yehuda Sadeh 2010-04-06 246 err = 0; 4c069a5821ddc5 Chengguang Xu 2018-01-30 247 dout("parse_fsid ret %d got fsid %pU\n", err, fsid); 3d14c5d2b6e15c Yehuda Sadeh 2010-04-06 248 return err; 3d14c5d2b6e15c Yehuda Sadeh 2010-04-06 249 } 3d14c5d2b6e15c Yehuda Sadeh 2010-04-06 250 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org