Hi Theodore, kernel test robot noticed the following build warnings:
[auto build test WARNING on tytso-ext4/dev] [also build test WARNING on linus/master v6.16-rc5 next-20250711] [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/Theodore-Ts-o/ext4-use-memcpy-instead-of-strcpy/20250713-021635 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev patch link: https://lore.kernel.org/r/20250712181249.434530-3-tytso%40mit.edu patch subject: [PATCH 3/3] ext4: refactor the inline directory conversion and new directory codepaths config: i386-buildonly-randconfig-004-20250713 (https://download.01.org/0day-ci/archive/20250713/202507130429.rpizofcd-...@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250713/202507130429.rpizofcd-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507130429.rpizofcd-...@intel.com/ All warnings (new ones prefixed by >>): fs/ext4/namei.c: In function 'ext4_init_new_dir': >> fs/ext4/namei.c:2968:34: warning: variable 'de' set but not used >> [-Wunused-but-set-variable] 2968 | struct ext4_dir_entry_2 *de; | ^~ vim +/de +2968 fs/ext4/namei.c a774f9c20e0864 Tao Ma 2012-12-10 2963 8016e29f4362e2 Harshad Shirwadkar 2020-10-15 2964 int ext4_init_new_dir(handle_t *handle, struct inode *dir, a774f9c20e0864 Tao Ma 2012-12-10 2965 struct inode *inode) ac27a0ec112a08 Dave Kleikamp 2006-10-11 2966 { dabd991f9d8e32 Namhyung Kim 2011-01-10 2967 struct buffer_head *dir_block = NULL; 617ba13b31fbf5 Mingming Cao 2006-10-11 @2968 struct ext4_dir_entry_2 *de; dc6982ff4db1f4 Theodore Ts'o 2013-02-14 2969 ext4_lblk_t block = 0; a774f9c20e0864 Tao Ma 2012-12-10 2970 int err; ac27a0ec112a08 Dave Kleikamp 2006-10-11 2971 3c47d54170b6a6 Tao Ma 2012-12-10 2972 if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) { 3c47d54170b6a6 Tao Ma 2012-12-10 2973 err = ext4_try_create_inline_dir(handle, dir, inode); 3c47d54170b6a6 Tao Ma 2012-12-10 2974 if (err < 0 && err != -ENOSPC) 3c47d54170b6a6 Tao Ma 2012-12-10 2975 goto out; 3c47d54170b6a6 Tao Ma 2012-12-10 2976 if (!err) 3c47d54170b6a6 Tao Ma 2012-12-10 2977 goto out; 3c47d54170b6a6 Tao Ma 2012-12-10 2978 } 3c47d54170b6a6 Tao Ma 2012-12-10 2979 5eb8361f6b02c3 Theodore Ts'o 2025-07-12 2980 set_nlink(inode, 2); dc6982ff4db1f4 Theodore Ts'o 2013-02-14 2981 inode->i_size = 0; 0f70b40613ee14 Theodore Ts'o 2013-02-15 2982 dir_block = ext4_append(handle, inode, &block); 0f70b40613ee14 Theodore Ts'o 2013-02-15 2983 if (IS_ERR(dir_block)) 0f70b40613ee14 Theodore Ts'o 2013-02-15 2984 return PTR_ERR(dir_block); a774f9c20e0864 Tao Ma 2012-12-10 2985 de = (struct ext4_dir_entry_2 *)dir_block->b_data; 5eb8361f6b02c3 Theodore Ts'o 2025-07-12 2986 err = ext4_init_dirblock(handle, inode, dir_block, dir->i_ino, NULL, 0); a774f9c20e0864 Tao Ma 2012-12-10 2987 if (err) a774f9c20e0864 Tao Ma 2012-12-10 2988 goto out; a774f9c20e0864 Tao Ma 2012-12-10 2989 out: a774f9c20e0864 Tao Ma 2012-12-10 2990 brelse(dir_block); a774f9c20e0864 Tao Ma 2012-12-10 2991 return err; a774f9c20e0864 Tao Ma 2012-12-10 2992 } a774f9c20e0864 Tao Ma 2012-12-10 2993 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki