Hi Matthew, kernel test robot noticed the following build warnings: [auto build test WARNING on rw-ubifs/next] [also build test WARNING on linus/master v6.4-rc5 next-20230605] [cannot apply to rw-ubifs/fixes] [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/Matthew-Wilcox-Oracle/ubifs-Convert-from-writepage-to-writepages/20230606-005309 base: https://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git next patch link: https://lore.kernel.org/r/20230605165029.2908304-5-willy%40infradead.org patch subject: [PATCH 4/4] ubifs: Convert do_writepage() to take a folio config: i386-randconfig-i001-20230605 (https://download.01.org/0day-ci/archive/20230606/202306060727.jUL92Co4-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/4f6ac0962f61cc07c95177f78cf1f3b03e79d822 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Matthew-Wilcox-Oracle/ubifs-Convert-from-writepage-to-writepages/20230606-005309 git checkout 4f6ac0962f61cc07c95177f78cf1f3b03e79d822 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/ubifs/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306060727.jUL92Co4-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> fs/ubifs/file.c:905:15: warning: variable 'i' set but not used [-Wunused-but-set-variable] int err = 0, i, blen; ^ 1 warning generated. vim +/i +905 fs/ubifs/file.c 1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 902 4f6ac0962f61cc Matthew Wilcox (Oracle 2023-06-05 903) static int do_writepage(struct folio *folio, size_t len) 1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 904 { 1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 @905 int err = 0, i, blen; 1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 906 unsigned int block; 1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 907 void *addr; 4f6ac0962f61cc Matthew Wilcox (Oracle 2023-06-05 908) size_t offset = 0; 1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 909 union ubifs_key key; 4f6ac0962f61cc Matthew Wilcox (Oracle 2023-06-05 910) struct inode *inode = folio->mapping->host; 1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 911 struct ubifs_info *c = inode->i_sb->s_fs_info; 1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 912 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
