Re: [PATCH 5/7] f2fs: separate the options parsing and options checking

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

Hi Eric,

kernel test robot noticed the following build warnings:

[auto build test WARNING on v6.15-rc3]
[also build test WARNING on linus/master]
[cannot apply to jaegeuk-f2fs/dev-test jaegeuk-f2fs/dev next-20250417]
[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/Eric-Sandeen/f2fs-Add-fs-parameter-specifications-for-mount-options/20250421-220156
base:   v6.15-rc3
patch link:    https://lore.kernel.org/r/20250420154647.1233033-6-sandeen%40redhat.com
patch subject: [PATCH 5/7] f2fs: separate the options parsing and options checking
config: arc-randconfig-001-20250421 (https://download.01.org/0day-ci/archive/20250422/202504220033.8EDCfvWU-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250422/202504220033.8EDCfvWU-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/202504220033.8EDCfvWU-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/printk.h:7,
                    from include/asm-generic/bug.h:22,
                    from arch/arc/include/asm/bug.h:30,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:13,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/arc/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:79,
                    from include/linux/spinlock.h:56,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:7,
                    from include/linux/umh.h:4,
                    from include/linux/kmod.h:9,
                    from include/linux/module.h:17,
                    from fs/f2fs/super.c:8:
   fs/f2fs/super.c: In function 'handle_mount_opt':
>> include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'unsigned int' [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH'
      11 | #define KERN_ERR        KERN_SOH "3"    /* error conditions */
         |                         ^~~~~~~~
   fs/f2fs/f2fs.h:1871:33: note: in expansion of macro 'KERN_ERR'
    1871 |         f2fs_printk(sbi, false, KERN_ERR fmt, ##__VA_ARGS__)
         |                                 ^~~~~~~~
   fs/f2fs/super.c:763:25: note: in expansion of macro 'f2fs_err'
     763 |                         f2fs_err(NULL, "inline xattr size is out of range: %lu ~ %lu",
         |                         ^~~~~~~~
   fs/f2fs/super.c:718:15: warning: unused variable 'name' [-Wunused-variable]
     718 |         char *name;
         |               ^~~~


vim +5 include/linux/kern_levels.h

314ba3520e513a7 Joe Perches 2012-07-30  4  
04d2c8c83d0e3ac Joe Perches 2012-07-30 @5  #define KERN_SOH	"\001"		/* ASCII Start Of Header */
04d2c8c83d0e3ac Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII	'\001'
04d2c8c83d0e3ac Joe Perches 2012-07-30  7  

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