[chao:wip 19/20] fs/f2fs/segment.c:2891:4: error: call to undeclared function 'reset_curseg_fields'; ISO C99 and later do not support implicit function declarations

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git wip
head:   99c1b937f7efd14347261f99e40036e481c6cbc0
commit: adf3b6b31460b800b74602a535414e50d1e761c5 [19/20] f2fs: fix to avoid panic once fallocation fails for pinfile
config: x86_64-buildonly-randconfig-004-20241217 (https://download.01.org/0day-ci/archive/20241217/202412170421.kaVgRXyk-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241217/202412170421.kaVgRXyk-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/202412170421.kaVgRXyk-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from fs/f2fs/segment.c:9:
   In file included from include/linux/f2fs_fs.h:11:
   In file included from include/linux/pagemap.h:8:
   In file included from include/linux/mm.h:2223:
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> fs/f2fs/segment.c:2891:4: error: call to undeclared function 'reset_curseg_fields'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2891 |                         reset_curseg_fields(curseg);
         |                         ^
   fs/f2fs/segment.c:3671:13: error: static declaration of 'reset_curseg_fields' follows non-static declaration
    3671 | static void reset_curseg_fields(struct curseg_info *curseg)
         |             ^
   fs/f2fs/segment.c:2891:4: note: previous implicit declaration is here
    2891 |                         reset_curseg_fields(curseg);
         |                         ^
   1 warning and 2 errors generated.


vim +/reset_curseg_fields +2891 fs/f2fs/segment.c

  2872	
  2873	/*
  2874	 * Allocate a current working segment.
  2875	 * This function always allocates a free segment in LFS manner.
  2876	 */
  2877	static int new_curseg(struct f2fs_sb_info *sbi, int type, bool new_sec)
  2878	{
  2879		struct curseg_info *curseg = CURSEG_I(sbi, type);
  2880		unsigned int segno = curseg->segno;
  2881		bool pinning = type == CURSEG_COLD_DATA_PINNED;
  2882		int ret;
  2883	
  2884		if (curseg->inited)
  2885			write_sum_page(sbi, curseg->sum_blk, GET_SUM_BLOCK(sbi, segno));
  2886	
  2887		segno = __get_next_segno(sbi, type);
  2888		ret = get_new_segment(sbi, &segno, new_sec, pinning);
  2889		if (ret) {
  2890			if (ret == -ENOSPC)
> 2891				reset_curseg_fields(curseg);
  2892			return ret;
  2893		}
  2894	
  2895		curseg->next_segno = segno;
  2896		reset_curseg(sbi, type, 1);
  2897		curseg->alloc_type = LFS;
  2898		if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
  2899			curseg->fragment_remained_chunk =
  2900					get_random_u32_inclusive(1, sbi->max_fragment_chunk);
  2901		return 0;
  2902	}
  2903	

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