Hi Yu, kernel test robot noticed the following build errors: [auto build test ERROR on next-20230616] url: https://github.com/intel-lab-lkp/linux/commits/Yu-Kuai/block-fix-wrong-mode-for-blkdev_get_by_dev-from-disk_scan_partitions/20230617-184451 base: next-20230616 patch link: https://lore.kernel.org/r/20230617103813.3708374-1-yukuai1%40huaweicloud.com patch subject: [PATCH -next] block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions() config: alpha-randconfig-r036-20230617 (https://download.01.org/0day-ci/archive/20230617/202306172040.1dllc8rx-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230617/202306172040.1dllc8rx-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306172040.1dllc8rx-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): block/genhd.c: In function 'disk_scan_partitions': >> block/genhd.c:369:59: error: 'FMODE_EXCL' undeclared (first use in this function); did you mean 'FMODE_EXEC'? 369 | bdev = blkdev_get_by_dev(disk_devt(disk), mode & ~FMODE_EXCL, NULL, | ^~~~~~~~~~ | FMODE_EXEC block/genhd.c:369:59: note: each undeclared identifier is reported only once for each function it appears in vim +369 block/genhd.c 342 343 int disk_scan_partitions(struct gendisk *disk, blk_mode_t mode) 344 { 345 struct block_device *bdev; 346 int ret = 0; 347 348 if (disk->flags & (GENHD_FL_NO_PART | GENHD_FL_HIDDEN)) 349 return -EINVAL; 350 if (test_bit(GD_SUPPRESS_PART_SCAN, &disk->state)) 351 return -EINVAL; 352 if (disk->open_partitions) 353 return -EBUSY; 354 355 /* 356 * If the device is opened exclusively by current thread already, it's 357 * safe to scan partitons, otherwise, use bd_prepare_to_claim() to 358 * synchronize with other exclusive openers and other partition 359 * scanners. 360 */ 361 if (!(mode & BLK_OPEN_EXCL)) { 362 ret = bd_prepare_to_claim(disk->part0, disk_scan_partitions, 363 NULL); 364 if (ret) 365 return ret; 366 } 367 368 set_bit(GD_NEED_PART_SCAN, &disk->state); > 369 bdev = blkdev_get_by_dev(disk_devt(disk), mode & ~FMODE_EXCL, NULL, 370 NULL); 371 if (IS_ERR(bdev)) 372 ret = PTR_ERR(bdev); 373 else 374 blkdev_put(bdev, NULL); 375 376 /* 377 * If blkdev_get_by_dev() failed early, GD_NEED_PART_SCAN is still set, 378 * and this will cause that re-assemble partitioned raid device will 379 * creat partition for underlying disk. 380 */ 381 clear_bit(GD_NEED_PART_SCAN, &disk->state); 382 if (!(mode & BLK_OPEN_EXCL)) 383 bd_abort_claiming(disk->part0, disk_scan_partitions); 384 return ret; 385 } 386 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki