[intel-lts:pr/69 1/1] fs/f2fs/sysfs.c:448:37: warning: 'f2fs_seq_iostat_info_fops' defined but not used

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

Hi Chao,

FYI, the error/warning still remains.

tree:   https://github.com/intel/linux-intel-lts.git pr/69
head:   f36ea6678b4077d9bbb4644e73977fb91d187ab7
commit: b0af6d491a6b5f5622fa91ac75f34f3640f862c4 [1/1] f2fs: add app/fs io stat
config: s390-randconfig-001-20250224 (https://download.01.org/0day-ci/archive/20250224/202502242000.Ycal5ow2-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250224/202502242000.Ycal5ow2-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/202502242000.Ycal5ow2-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/f2fs/sysfs.c:448:37: warning: 'f2fs_seq_iostat_info_fops' defined but not used [-Wunused-const-variable=]
    static const struct file_operations f2fs_seq_##_name##_fops = {  \
                                        ^
   fs/f2fs/sysfs.c:457:1: note: in expansion of macro 'F2FS_PROC_FILE_DEF'
    F2FS_PROC_FILE_DEF(iostat_info);
    ^~~~~~~~~~~~~~~~~~
   fs/f2fs/sysfs.c:448:37: warning: 'f2fs_seq_segment_bits_fops' defined but not used [-Wunused-const-variable=]
    static const struct file_operations f2fs_seq_##_name##_fops = {  \
                                        ^
   fs/f2fs/sysfs.c:456:1: note: in expansion of macro 'F2FS_PROC_FILE_DEF'
    F2FS_PROC_FILE_DEF(segment_bits);
    ^~~~~~~~~~~~~~~~~~
   fs/f2fs/sysfs.c:448:37: warning: 'f2fs_seq_segment_info_fops' defined but not used [-Wunused-const-variable=]
    static const struct file_operations f2fs_seq_##_name##_fops = {  \
                                        ^
   fs/f2fs/sysfs.c:455:1: note: in expansion of macro 'F2FS_PROC_FILE_DEF'
    F2FS_PROC_FILE_DEF(segment_info);
    ^~~~~~~~~~~~~~~~~~


vim +/f2fs_seq_iostat_info_fops +448 fs/f2fs/sysfs.c

b0af6d491a6b5f5 Chao Yu 2017-08-02  441  
8ceffcb29e61ba8 Chao Yu 2017-06-14  442  #define F2FS_PROC_FILE_DEF(_name)					\
8ceffcb29e61ba8 Chao Yu 2017-06-14  443  static int _name##_open_fs(struct inode *inode, struct file *file)	\
8ceffcb29e61ba8 Chao Yu 2017-06-14  444  {									\
8ceffcb29e61ba8 Chao Yu 2017-06-14  445  	return single_open(file, _name##_seq_show, PDE_DATA(inode));	\
8ceffcb29e61ba8 Chao Yu 2017-06-14  446  }									\
8ceffcb29e61ba8 Chao Yu 2017-06-14  447  									\
8ceffcb29e61ba8 Chao Yu 2017-06-14 @448  static const struct file_operations f2fs_seq_##_name##_fops = {		\
8ceffcb29e61ba8 Chao Yu 2017-06-14  449  	.open = _name##_open_fs,					\
8ceffcb29e61ba8 Chao Yu 2017-06-14  450  	.read = seq_read,						\
8ceffcb29e61ba8 Chao Yu 2017-06-14  451  	.llseek = seq_lseek,						\
8ceffcb29e61ba8 Chao Yu 2017-06-14  452  	.release = single_release,					\
8ceffcb29e61ba8 Chao Yu 2017-06-14  453  };
8ceffcb29e61ba8 Chao Yu 2017-06-14  454  

:::::: The code at line 448 was first introduced by commit
:::::: 8ceffcb29e61ba882a011b1e4d73ca03691fdc2e f2fs: move sysfs code from super.c to fs/f2fs/sysfs.c

:::::: TO: Chao Yu <yuchao0@huawei.com>
:::::: CC: Jaegeuk Kim <jaegeuk@kernel.org>

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