Hi Ming, Thank you for the patch! Yet something to improve: [auto build test ERROR on block/for-next] [also build test ERROR on mkp-scsi/for-next scsi/for-next v5.10-rc4 next-20201116] [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/Ming-Lei/blk-mq-scsi-tracking-device-queue-depth-via-sbitmap/20201116-171449 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: powerpc64-randconfig-r026-20201116 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c044709b8fbea2a9a375e4173a6bd735f6866c0c) 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 # install powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://github.com/0day-ci/linux/commit/cc286ae987be50d7b8e152cc80a5ccaa8682e3ff git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ming-Lei/blk-mq-scsi-tracking-device-queue-depth-via-sbitmap/20201116-171449 git checkout cc286ae987be50d7b8e152cc80a5ccaa8682e3ff # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/scsi/megaraid/megaraid_sas_fusion.c:365:41: error: no member named 'device_busy' in 'struct scsi_device' sdev_busy = atomic_read(&scmd->device->device_busy); ~~~~~~~~~~~~ ^ 1 error generated. vim +365 drivers/scsi/megaraid/megaraid_sas_fusion.c 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 353 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 354 static inline void 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 355 megasas_get_msix_index(struct megasas_instance *instance, 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 356 struct scsi_cmnd *scmd, 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 357 struct megasas_cmd_fusion *cmd, 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 358 u8 data_arms) 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 359 { 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 360 int sdev_busy; 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 361 103fbf8e4020845 Kashyap Desai 2020-08-19 362 /* TBD - if sml remove device_busy in future, driver 103fbf8e4020845 Kashyap Desai 2020-08-19 363 * should track counter in internal structure. 103fbf8e4020845 Kashyap Desai 2020-08-19 364 */ 103fbf8e4020845 Kashyap Desai 2020-08-19 @365 sdev_busy = atomic_read(&scmd->device->device_busy); 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 366 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 367 if (instance->perf_mode == MR_BALANCED_PERF_MODE && 103fbf8e4020845 Kashyap Desai 2020-08-19 368 sdev_busy > (data_arms * MR_DEVICE_HIGH_IOPS_DEPTH)) { 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 369 cmd->request_desc->SCSIIO.MSIxIndex = 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 370 mega_mod64((atomic64_add_return(1, &instance->high_iops_outstanding) / 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 371 MR_HIGH_IOPS_BATCH_COUNT), instance->low_latency_index_start); 103fbf8e4020845 Kashyap Desai 2020-08-19 372 } else if (instance->msix_load_balance) { 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 373 cmd->request_desc->SCSIIO.MSIxIndex = 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 374 (mega_mod64(atomic64_add_return(1, &instance->total_io_count), 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 375 instance->msix_vectors)); 103fbf8e4020845 Kashyap Desai 2020-08-19 376 } else if (instance->host->nr_hw_queues > 1) { 103fbf8e4020845 Kashyap Desai 2020-08-19 377 u32 tag = blk_mq_unique_tag(scmd->request); 103fbf8e4020845 Kashyap Desai 2020-08-19 378 103fbf8e4020845 Kashyap Desai 2020-08-19 379 cmd->request_desc->SCSIIO.MSIxIndex = blk_mq_unique_tag_to_hwq(tag) + 103fbf8e4020845 Kashyap Desai 2020-08-19 380 instance->low_latency_index_start; 103fbf8e4020845 Kashyap Desai 2020-08-19 381 } else { 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 382 cmd->request_desc->SCSIIO.MSIxIndex = 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 383 instance->reply_map[raw_smp_processor_id()]; 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 384 } 103fbf8e4020845 Kashyap Desai 2020-08-19 385 } 4d1634b8d12ecb8 Anand Lodnoor 2020-01-14 386 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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