tree: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/linux.git 5.18/discovery2 head: 7c371ec158614870d9c9c5d1a9e0f0c35f9198d7 commit: 56db0eb9f48930efde746c3cb9af11524102dc76 [64/67] scsi: sd: Implement support for NDOB flag in WRITE SAME(16) config: arc-axs103_smp_defconfig (https://download.01.org/0day-ci/archive/20220212/202202121644.TOit65Ia-lk...) compiler: arc-elf-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/mkp/linux.git/commit/?id=... git remote add mkp https://git.kernel.org/pub/scm/linux/kernel/git/mkp/linux.git git fetch --no-tags mkp 5.18/discovery2 git checkout 56db0eb9f48930efde746c3cb9af11524102dc76 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/scsi/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/scsi/sd.c: In function 'sd_config_write_zeroes': 1093 | else if (sdkp->max_ws_blocks) | ^ vim +/else +1093 drivers/scsi/sd.c e339c1a7c09ef73 Martin K. Petersen 2009-11-26 1076 e65ad69ab003e66 Martin K. Petersen 2022-01-03 1077 static void sd_config_write_zeroes(struct scsi_disk *sdkp, e65ad69ab003e66 Martin K. Petersen 2022-01-03 1078 enum sd_zeroing_mode mode) e65ad69ab003e66 Martin K. Petersen 2022-01-03 1079 { e65ad69ab003e66 Martin K. Petersen 2022-01-03 1080 struct request_queue *q = sdkp->disk->queue; e65ad69ab003e66 Martin K. Petersen 2022-01-03 1081 unsigned int logical_block_size = sdkp->device->sector_size; e65ad69ab003e66 Martin K. Petersen 2022-01-03 1082 e65ad69ab003e66 Martin K. Petersen 2022-01-03 1083 if (mode == SD_ZERO_DEFAULT && !sdkp->zeroing_override) { e65ad69ab003e66 Martin K. Petersen 2022-01-03 1084 mode = SD_ZERO_WRITE; e65ad69ab003e66 Martin K. Petersen 2022-01-03 1085 e65ad69ab003e66 Martin K. Petersen 2022-01-03 1086 if (sdkp->lbprz && sdkp->lbpws) 56db0eb9f48930e Martin K. Petersen 2019-02-27 1087 if (sdkp->ndob) 56db0eb9f48930e Martin K. Petersen 2019-02-27 1088 mode = SD_ZERO_WS16_NDOB; 56db0eb9f48930e Martin K. Petersen 2019-02-27 1089 else e65ad69ab003e66 Martin K. Petersen 2022-01-03 1090 mode = SD_ZERO_WS16_UNMAP; e65ad69ab003e66 Martin K. Petersen 2022-01-03 1091 else if (sdkp->lbprz && sdkp->lbpws10) e65ad69ab003e66 Martin K. Petersen 2022-01-03 1092 mode = SD_ZERO_WS10_UNMAP; e65ad69ab003e66 Martin K. Petersen 2022-01-03 @1093 else if (sdkp->max_ws_blocks) 56db0eb9f48930e Martin K. Petersen 2019-02-27 1094 if (sdkp->ndob) 56db0eb9f48930e Martin K. Petersen 2019-02-27 1095 mode = SD_ZERO_WS16_NDOB; 56db0eb9f48930e Martin K. Petersen 2019-02-27 1096 else e65ad69ab003e66 Martin K. Petersen 2022-01-03 1097 mode = SD_ZERO_WS; e65ad69ab003e66 Martin K. Petersen 2022-01-03 1098 } e65ad69ab003e66 Martin K. Petersen 2022-01-03 1099 e65ad69ab003e66 Martin K. Petersen 2022-01-03 1100 if (mode == SD_ZERO_DISABLE) e65ad69ab003e66 Martin K. Petersen 2022-01-03 1101 sdkp->zeroing_override = true; e65ad69ab003e66 Martin K. Petersen 2022-01-03 1102 e65ad69ab003e66 Martin K. Petersen 2022-01-03 1103 sdkp->zeroing_mode = mode; e65ad69ab003e66 Martin K. Petersen 2022-01-03 1104 blk_queue_max_write_zeroes_sectors(q, sdkp->max_ws_blocks * e65ad69ab003e66 Martin K. Petersen 2022-01-03 1105 (logical_block_size >> 9)); e65ad69ab003e66 Martin K. Petersen 2022-01-03 1106 } e65ad69ab003e66 Martin K. Petersen 2022-01-03 1107 :::::: The code at line 1093 was first introduced by commit :::::: e65ad69ab003e66d2055130bfc4c17e2d92cb7c3 scsi: sd: Move WRITE_ZEROES configuration to a separate function :::::: TO: Martin K. Petersen <martin.petersen(a)oracle.com&gt; :::::: CC: Martin K. Petersen <martin.petersen(a)oracle.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org