[f2fs-dev] [jaegeuk-f2fs:dev-test 8/9] include/linux/kern_levels.h:5:25: warning: format '%zu' expects argument of type 'size_t', but argument 6 has type 'long unsigned int'

[f2fs-dev] [jaegeuk-f2fs:dev-test 8/9] include/linux/kern_levels.h:5:25: warning: format '%zu' expects argument of type 'size_t', but argument 6 has type 'long unsigned int'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test
head:   67dadd6ef509ed922ec667ef6b0ef0cdbb2fe04c
commit: e152f298a65c86ab89200d2d32132ab359c66a3c [8/9] f2fs: Support Block Size == Page Size
config: sparc-randconfig-r031-20230913 (https://download.01.org/0day-ci/archive/20230913/202309131625.SJzoZDIO-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230913/202309131625.SJzoZDIO-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/202309131625.SJzoZDIO-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/sparc/include/asm/bug.h:25,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:13,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/sparc/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:79,
                    from include/linux/spinlock.h:56,
                    from include/linux/wait.h:9,
                    from include/linux/wait_bit.h:8,
                    from include/linux/fs.h:6,
                    from fs/f2fs/inode.c:8:
   fs/f2fs/inode.c: In function 'sanity_check_inode':
>> include/linux/kern_levels.h:5:25: warning: format '%zu' expects argument of type 'size_t', but argument 6 has type 'long unsigned int' [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
      12 | #define KERN_WARNING    KERN_SOH "4"    /* warning conditions */
         |                         ^~~~~~~~
   fs/f2fs/f2fs.h:2321:26: note: in expansion of macro 'KERN_WARNING'
    2321 |         f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
         |                          ^~~~~~~~~~~~
   fs/f2fs/inode.c:318:25: note: in expansion of macro 'f2fs_warn'
     318 |                         f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_inline_xattr_size: %d, max: %zu",
         |                         ^~~~~~~~~


vim +5 include/linux/kern_levels.h

314ba3520e513a Joe Perches 2012-07-30  4  
04d2c8c83d0e3a Joe Perches 2012-07-30 @5  #define KERN_SOH	"\001"		/* ASCII Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII	'\001'
04d2c8c83d0e3a Joe Perches 2012-07-30  7  

:::::: The code at line 5 was first introduced by commit
:::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern

:::::: TO: Joe Perches <joe@perches.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


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