Hi Kemeng, kernel test robot noticed the following build warnings: [auto build test WARNING on tytso-ext4/dev] [also build test WARNING on linus/master v6.7-rc2 next-20231124] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Kemeng-Shi/ext4-Add-unit-test-for-test_free_blocks_simple/20231125-154444 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev patch link: https://lore.kernel.org/r/20231125154144.3943442-6-shikemeng%40huaweicloud.com patch subject: [PATCH 5/5] ext4: Add unit test for ext4_mb_mark_diskspace_used config: i386-buildonly-randconfig-004-20231125 (https://download.01.org/0day-ci/archive/20231125/202311252009.Z6vrLAjg-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231125/202311252009.Z6vrLAjg-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/202311252009.Z6vrLAjg-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from fs/ext4/mballoc.c:6996: fs/ext4/mballoc-test.c: In function 'test_mark_diskspace_used': >> fs/ext4/mballoc-test.c:510:23: warning: variable 'max' set but not used [-Wunused-but-set-variable] 510 | ext4_grpblk_t max; | ^~~ vim +/max +510 fs/ext4/mballoc-test.c 505 506 static void test_mark_diskspace_used(struct kunit *test) 507 { 508 struct super_block *sb = (struct super_block *)test->priv; 509 struct inode inode = { .i_sb = sb, }; > 510 ext4_grpblk_t max; 511 struct ext4_allocation_context ac; 512 struct test_range ranges[TEST_RANGE_COUNT]; 513 int i; 514 515 mbt_generate_test_ranges(sb, ranges, TEST_RANGE_COUNT); 516 517 ac.ac_status = AC_STATUS_FOUND; 518 ac.ac_sb = sb; 519 ac.ac_inode = &inode; 520 max = EXT4_CLUSTERS_PER_GROUP(sb); 521 for (i = 0; i < TEST_RANGE_COUNT; i++) 522 test_mark_diskspace_used_range(test, &ac, ranges[i].start, 523 ranges[i].len); 524 } 525 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
