tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git dm-5.19 head: 7f8ac95a6464b895e3d2b6175f7ee64a4c10fcfe commit: 7f8ac95a6464b895e3d2b6175f7ee64a4c10fcfe [132/132] dm: push error handling down to __split_and_process_bio config: x86_64-randconfig-a012 (https://download.01.org/0day-ci/archive/20220324/202203240618.diX27ri2-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 902f4708fe1d03b0de7e5315ef875006a6adc319) 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/device-mapper/linux-dm.git/commit/?id=7f8ac95a6464b895e3d2b6175f7ee64a4c10fcfe git remote add device-mapper-dm https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git git fetch --no-tags device-mapper-dm dm-5.19 git checkout 7f8ac95a6464b895e3d2b6175f7ee64a4c10fcfe # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/md/ 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/md/dm.c:1542:4: error: use of undeclared identifier 'result' *result = BLK_STS_NOTSUPP; ^ drivers/md/dm.c:1545:4: error: use of undeclared identifier 'result' *result = BLK_STS_OK; ^ 2 errors generated. vim +/result +1542 drivers/md/dm.c 1508 1509 static bool __process_abnormal_io(struct clone_info *ci, struct dm_target *ti, 1510 blk_status_t *status) 1511 { 1512 unsigned num_bios; 1513 1514 if (!is_abnormal_io(ci->bio)) 1515 return false; 1516 1517 num_bios = 0; 1518 switch (bio_op(ci->bio)) { 1519 case REQ_OP_DISCARD: 1520 num_bios = ti->num_discard_bios; 1521 break; 1522 case REQ_OP_SECURE_ERASE: 1523 num_bios = ti->num_secure_erase_bios; 1524 break; 1525 case REQ_OP_WRITE_SAME: 1526 num_bios = ti->num_write_same_bios; 1527 break; 1528 case REQ_OP_WRITE_ZEROES: 1529 num_bios = ti->num_write_zeroes_bios; 1530 break; 1531 default: 1532 return false; 1533 } 1534 1535 /* 1536 * Even though the device advertised support for this type of 1537 * request, that does not mean every target supports it, and 1538 * reconfiguration might also have changed that since the 1539 * check was performed. 1540 */ 1541 if (!num_bios) > 1542 *result = BLK_STS_NOTSUPP; 1543 else { 1544 __send_changing_extent_only(ci, ti, num_bios); 1545 *result = BLK_STS_OK; 1546 } 1547 return true; 1548 } 1549 -- 0-DAY CI Kernel Test Service https://01.org/lkp -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
