Re: [PATCH] f2fs: fix to convert log type to segment data type correctly

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

Hi Chao,

kernel test robot noticed the following build errors:

[auto build test ERROR on jaegeuk-f2fs/dev-test]
[also build test ERROR on jaegeuk-f2fs/dev linus/master v6.12-rc3 next-20241018]
[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/Chao-Yu/f2fs-fix-to-convert-log-type-to-segment-data-type-correctly/20241018-172401
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test
patch link:    https://lore.kernel.org/r/20241018092200.2792472-1-chao%40kernel.org
patch subject: [PATCH] f2fs: fix to convert log type to segment data type correctly
config: i386-buildonly-randconfig-002-20241019 (https://download.01.org/0day-ci/archive/20241020/202410200521.Mc4H4BHm-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241020/202410200521.Mc4H4BHm-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/202410200521.Mc4H4BHm-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> fs/f2fs/segment.c:3818:38: warning: declaration of 'enum log_type' will not be visible outside of this function [-Wvisibility]
    3818 | static int log_type_to_seg_type(enum log_type type)
         |                                      ^
>> fs/f2fs/segment.c:3818:47: error: variable has incomplete type 'enum log_type'
    3818 | static int log_type_to_seg_type(enum log_type type)
         |                                               ^
   fs/f2fs/segment.c:3818:38: note: forward declaration of 'enum log_type'
    3818 | static int log_type_to_seg_type(enum log_type type)
         |                                      ^
   fs/f2fs/segment.c:3843:16: error: variable has incomplete type 'enum log_type'
    3843 |         enum log_type type = __get_segment_type(fio);
         |                       ^
   fs/f2fs/segment.c:3843:7: note: forward declaration of 'enum log_type'
    3843 |         enum log_type type = __get_segment_type(fio);
         |              ^
>> fs/f2fs/segment.c:4828:44: error: argument type 'enum log_type' is incomplete
    4828 |                 array[i].seg_type = log_type_to_seg_type(i);
         |                                                          ^
   fs/f2fs/segment.c:3818:38: note: forward declaration of 'enum log_type'
    3818 | static int log_type_to_seg_type(enum log_type type)
         |                                      ^
   1 warning and 3 errors generated.


vim +3818 fs/f2fs/segment.c

  3817	
> 3818	static int log_type_to_seg_type(enum log_type type)
  3819	{
  3820		int seg_type = CURSEG_COLD_DATA;
  3821	
  3822		switch (type) {
  3823		case CURSEG_HOT_DATA:
  3824		case CURSEG_WARM_DATA:
  3825		case CURSEG_COLD_DATA:
  3826		case CURSEG_HOT_NODE:
  3827		case CURSEG_WARM_NODE:
  3828		case CURSEG_COLD_NODE:
  3829			seg_type = (int)type;
  3830			break;
  3831		case CURSEG_COLD_DATA_PINNED:
  3832		case CURSEG_ALL_DATA_ATGC:
  3833			seg_type = CURSEG_COLD_DATA;
  3834			break;
  3835		default:
  3836			break;
  3837		}
  3838		return seg_type;
  3839	}
  3840	

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