tree: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-blkcg-rstat head: f86f96284bcfa2446930adb116ee42788e43a571 commit: ca1d91e70679511777232393542c36736f74ec03 [2/6] bfq-iosched: stop using blkg->stat_bytes and ->stat_ios config: s390-debug_defconfig (attached as .config) compiler: s390-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout ca1d91e70679511777232393542c36736f74ec03 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> block/bfq-cgroup.c:1245:15: error: 'bfqg_print_rwstat' undeclared here (not in a function); did you mean 'blkg_prfill_rwstat'? .seq_show = bfqg_print_rwstat, ^~~~~~~~~~~~~~~~~ blkg_prfill_rwstat block/bfq-cgroup.c:1288:15: error: 'bfqg_print_rwstat_recursive' undeclared here (not in a function); did you mean 'blkg_print_stat_ios_recursive'? .seq_show = bfqg_print_rwstat_recursive, ^~~~~~~~~~~~~~~~~~~~~~~~~~~ blkg_print_stat_ios_recursive vim +1245 block/bfq-cgroup.c 1226 1227 struct cftype bfq_blkcg_legacy_files[] = { 1228 { 1229 .name = "bfq.weight", 1230 .flags = CFTYPE_NOT_ON_ROOT, 1231 .seq_show = bfq_io_show_weight_legacy, 1232 .write_u64 = bfq_io_set_weight_legacy, 1233 }, 1234 { 1235 .name = "bfq.weight_device", 1236 .flags = CFTYPE_NOT_ON_ROOT, 1237 .seq_show = bfq_io_show_weight, 1238 .write = bfq_io_set_weight, 1239 }, 1240 1241 /* statistics, covers only the tasks in the bfqg */ 1242 { 1243 .name = "bfq.io_service_bytes", 1244 .private = offsetof(struct bfq_group, stats.bytes), > 1245 .seq_show = bfqg_print_rwstat, 1246 }, 1247 { 1248 .name = "bfq.io_serviced", 1249 .private = offsetof(struct bfq_group, stats.ios), 1250 .seq_show = bfqg_print_rwstat, 1251 }, 1252 #ifdef CONFIG_BFQ_CGROUP_DEBUG 1253 { 1254 .name = "bfq.time", 1255 .private = offsetof(struct bfq_group, stats.time), 1256 .seq_show = bfqg_print_stat, 1257 }, 1258 { 1259 .name = "bfq.sectors", 1260 .seq_show = bfqg_print_stat_sectors, 1261 }, 1262 { 1263 .name = "bfq.io_service_time", 1264 .private = offsetof(struct bfq_group, stats.service_time), 1265 .seq_show = bfqg_print_rwstat, 1266 }, 1267 { 1268 .name = "bfq.io_wait_time", 1269 .private = offsetof(struct bfq_group, stats.wait_time), 1270 .seq_show = bfqg_print_rwstat, 1271 }, 1272 { 1273 .name = "bfq.io_merged", 1274 .private = offsetof(struct bfq_group, stats.merged), 1275 .seq_show = bfqg_print_rwstat, 1276 }, 1277 { 1278 .name = "bfq.io_queued", 1279 .private = offsetof(struct bfq_group, stats.queued), 1280 .seq_show = bfqg_print_rwstat, 1281 }, 1282 #endif /* CONFIG_BFQ_CGROUP_DEBUG */ 1283 1284 /* the same statistics which cover the bfqg and its descendants */ 1285 { 1286 .name = "bfq.io_service_bytes_recursive", 1287 .private = offsetof(struct bfq_group, stats.bytes), 1288 .seq_show = bfqg_print_rwstat_recursive, 1289 }, 1290 { 1291 .name = "bfq.io_serviced_recursive", 1292 .private = offsetof(struct bfq_group, stats.ios), 1293 .seq_show = bfqg_print_rwstat_recursive, 1294 }, 1295 #ifdef CONFIG_BFQ_CGROUP_DEBUG 1296 { 1297 .name = "bfq.time_recursive", 1298 .private = offsetof(struct bfq_group, stats.time), 1299 .seq_show = bfqg_print_stat_recursive, 1300 }, 1301 { 1302 .name = "bfq.sectors_recursive", 1303 .seq_show = bfqg_print_stat_sectors_recursive, 1304 }, 1305 { 1306 .name = "bfq.io_service_time_recursive", 1307 .private = offsetof(struct bfq_group, stats.service_time), 1308 .seq_show = bfqg_print_rwstat_recursive, 1309 }, 1310 { 1311 .name = "bfq.io_wait_time_recursive", 1312 .private = offsetof(struct bfq_group, stats.wait_time), 1313 .seq_show = bfqg_print_rwstat_recursive, 1314 }, 1315 { 1316 .name = "bfq.io_merged_recursive", 1317 .private = offsetof(struct bfq_group, stats.merged), 1318 .seq_show = bfqg_print_rwstat_recursive, 1319 }, 1320 { 1321 .name = "bfq.io_queued_recursive", 1322 .private = offsetof(struct bfq_group, stats.queued), 1323 .seq_show = bfqg_print_rwstat_recursive, 1324 }, 1325 { 1326 .name = "bfq.avg_queue_size", 1327 .seq_show = bfqg_print_avg_queue_size, 1328 }, 1329 { 1330 .name = "bfq.group_wait_time", 1331 .private = offsetof(struct bfq_group, stats.group_wait_time), 1332 .seq_show = bfqg_print_stat, 1333 }, 1334 { 1335 .name = "bfq.idle_time", 1336 .private = offsetof(struct bfq_group, stats.idle_time), 1337 .seq_show = bfqg_print_stat, 1338 }, 1339 { 1340 .name = "bfq.empty_time", 1341 .private = offsetof(struct bfq_group, stats.empty_time), 1342 .seq_show = bfqg_print_stat, 1343 }, 1344 { 1345 .name = "bfq.dequeue", 1346 .private = offsetof(struct bfq_group, stats.dequeue), 1347 .seq_show = bfqg_print_stat, 1348 }, 1349 #endif /* CONFIG_BFQ_CGROUP_DEBUG */ 1350 { } /* terminate */ 1351 }; 1352 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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