[android-common:android-4.19-stable 1/1] include/linux/kern_levels.h:5:18: 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 1/1] include/linux/kern_levels.h:5:18: 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]

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tree:   https://android.googlesource.com/kernel/common android-4.19-stable
head:   c1fae4b2550e30eff0ee060298e18bf94a82df74
commit: c1fae4b2550e30eff0ee060298e18bf94a82df74 [1/1] UPSTREAM: Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-4.19.y' into android-4.19 (v5.7-rc1)
config: i386-allyesconfig (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce (this is a W=1 build):
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android-4.19-stable
        git checkout c1fae4b2550e30eff0ee060298e18bf94a82df74
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <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:5:18: 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:12:22: note: in expansion of macro 'KERN_SOH'
      12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */
         |                      ^~~~~~~~
   fs/f2fs/f2fs.h:2012:19: note: in expansion of macro 'KERN_WARNING'
    2012 |  f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
         |                   ^~~~~~~~~~~~
   fs/f2fs/inode.c:303:4: 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, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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