[chao:bugfix/common 5/5] fs/f2fs/super.c:4320:8: error: call to undeclared function 'f2fs_zone_is_seq'; 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 bugfix/common
head:   40cbb3a09cebf75b7141934e954fff0738704918
commit: 40cbb3a09cebf75b7141934e954fff0738704918 [5/5] f2fs: zone: fix to avoid inconsistence in between SIT and SSA
config: hexagon-randconfig-001-20250323 (https://download.01.org/0day-ci/archive/20250323/202503230328.DBv5fVsk-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project c2692afc0a92cd5da140dfcdfff7818a5b8ce997)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250323/202503230328.DBv5fVsk-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/202503230328.DBv5fVsk-lkp@intel.com/

All errors (new ones prefixed by >>):

>> fs/f2fs/super.c:4320:8: error: call to undeclared function 'f2fs_zone_is_seq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    4320 |                         if (f2fs_zone_is_seq(sbi, devi, zone))
         |                             ^
   fs/f2fs/super.c:4320:8: note: did you mean 'bdev_zone_is_seq'?
   include/linux/blkdev.h:1406:20: note: 'bdev_zone_is_seq' declared here
    1406 | static inline bool bdev_zone_is_seq(struct block_device *bdev, sector_t sector)
         |                    ^
   1 error generated.


vim +/f2fs_zone_is_seq +4320 fs/f2fs/super.c

  4307	
  4308	static inline unsigned int get_first_zoned_segno(struct f2fs_sb_info *sbi)
  4309	{
  4310		unsigned int segno;
  4311		int devi, i;
  4312	
  4313		for (devi = 0; devi < sbi->s_ndevs; devi++) {
  4314			if (!bdev_is_zoned(FDEV(devi).bdev))
  4315				continue;
  4316	
  4317			segno = GET_SEGNO(sbi, FDEV(devi).start_blk);
  4318			for (i = 0; i < FDEV(devi).total_segments; i++) {
  4319				unsigned int zone = GET_ZONE_FROM_SEG(sbi, segno);
> 4320				if (f2fs_zone_is_seq(sbi, devi, zone))
  4321					return segno;
  4322			}
  4323		}
  4324		return NULL_SEGNO;
  4325	}
  4326	

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