[chao:bugfix/common 7/7] fs/f2fs/data.c:2647:29: error: 'next_pgofs' undeclared

[chao:bugfix/common 7/7] fs/f2fs/data.c:2647:29: error: 'next_pgofs' undeclared

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git bugfix/common
head:   261bd0007c481171f11979ad38d62af7725d56df
commit: 261bd0007c481171f11979ad38d62af7725d56df [7/7] f2fs: avoid f2fs_map_blocks() for hole in readpages
config: i386-randconfig-012-20260110 (https://download.01.org/0day-ci/archive/20260110/202601101924.SAYVUGQa-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260110/202601101924.SAYVUGQa-lkp@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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601101924.SAYVUGQa-lkp@intel.com/

All errors (new ones prefixed by >>):

   fs/f2fs/data.c: In function 'f2fs_get_read_data_folio':
   fs/f2fs/data.c:1274:31: warning: unused variable 'mapping' [-Wunused-variable]
    1274 |         struct address_space *mapping = inode->i_mapping;
         |                               ^~~~~~~
   fs/f2fs/data.c: In function 'f2fs_mpage_readpages':
>> fs/f2fs/data.c:2647:29: error: 'next_pgofs' undeclared (first use in this function)
    2647 |         map.m_next_pgofs = &next_pgofs;
         |                             ^~~~~~~~~~
   fs/f2fs/data.c:2647:29: note: each undeclared identifier is reported only once for each function it appears in


vim +/next_pgofs +2647 fs/f2fs/data.c

  2642	
  2643		map.m_pblk = 0;
  2644		map.m_lblk = 0;
  2645		map.m_len = 0;
  2646		map.m_flags = 0;
> 2647		map.m_next_pgofs = &next_pgofs;
  2648		map.m_next_extent = NULL;
  2649		map.m_seg_type = NO_CHECK_TYPE;
  2650		map.m_may_create = false;
  2651	
  2652		for (; nr_pages; nr_pages--) {
  2653			if (rac) {
  2654				folio = readahead_folio(rac);
  2655				prefetchw(&folio->flags);
  2656			}
  2657	

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