Re: [PATCH 4/5] block/bdev: enable large folio support for large logical block sizes

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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: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240511/202405111438.WaVytRae-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240511/202405111438.WaVytRae-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/202405111438.WaVytRae-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> block/bdev.c:145:2: error: call to undeclared function 'mapping_set_folio_min_order'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     145 |         mapping_set_folio_min_order(bdev->bd_inode->i_mapping,
         |         ^
   block/bdev.c:163:3: error: call to undeclared function 'mapping_set_folio_min_order'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     163 |                 mapping_set_folio_min_order(bdev->bd_inode->i_mapping,
         |                 ^
   2 errors generated.


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




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