[android-common:android-4.19-stable 11124/30000] include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'blkcnt_t' {aka 'long long unsigned int'}

[android-common:android-4.19-stable 11124/30000] include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'blkcnt_t' {aka 'long long unsigned int'}

[kernel test robot]

Hi Jaegeuk,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android-4.19-stable
head:   a8bf86a0e0fa05070897a210d706d5c4d83c26ac
commit: c1fae4b2550e30eff0ee060298e18bf94a82df74 [11124/30000] UPSTREAM: Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-4.19.y' into android-4.19 (v5.7-rc1)
config: i386-buildonly-randconfig-001-20241212 (https://download.01.org/0day-ci/archive/20241214/202412140809.AXUVZAXp-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241214/202412140809.AXUVZAXp-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/202412140809.AXUVZAXp-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/printk.h:7,
                    from include/linux/kernel.h:14,
                    from include/linux/list.h:9,
                    from include/linux/wait.h:7,
                    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 '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'blkcnt_t' {aka 'long 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:2012:26: note: in expansion of macro 'KERN_WARNING'
    2012 |         f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
         |                          ^~~~~~~~~~~~
   fs/f2fs/inode.c:303:25: note: in expansion of macro 'f2fs_warn'
     303 |                         f2fs_warn(sbi, "%s: inode (ino=%lx) has inconsistent "
         |                         ^~~~~~~~~


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  

:::::: 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