Hi, kernel test robot noticed the following build errors: [auto build test ERROR on axboe-block/for-next] [also build test ERROR on akpm-mm/mm-everything linus/master v6.9-rc7] [cannot apply to next-20240510] [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/hare-kernel-org/fs-mpage-use-blocks_per_folio-instead-of-blocks_per_page/20240510-183146 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20240510102906.51844-5-hare%40kernel.org patch subject: [PATCH 4/5] block/bdev: enable large folio support for large logical block sizes config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20240511/202405111234.wXN5f0fB-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240511/202405111234.wXN5f0fB-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/202405111234.wXN5f0fB-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): block/bdev.c: In function 'set_init_blocksize': >> block/bdev.c:145:9: error: implicit declaration of function 'mapping_set_folio_min_order' [-Werror=implicit-function-declaration] 145 | mapping_set_folio_min_order(bdev->bd_inode->i_mapping, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/mapping_set_folio_min_order +145 block/bdev.c 133 134 static void set_init_blocksize(struct block_device *bdev) 135 { 136 unsigned int bsize = bdev_logical_block_size(bdev); 137 loff_t size = i_size_read(bdev->bd_inode); 138 139 while (bsize < PAGE_SIZE) { 140 if (size & bsize) 141 break; 142 bsize <<= 1; 143 } 144 bdev->bd_inode->i_blkbits = blksize_bits(bsize); > 145 mapping_set_folio_min_order(bdev->bd_inode->i_mapping, 146 get_order(bsize)); 147 } 148 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki