[android-common:upstream-f2fs-stable-linux-4.14.y 927/1431] 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:upstream-f2fs-stable-linux-4.14.y 927/1431] 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 upstream-f2fs-stable-linux-4.14.y
head:   a1f8c5458f03b609b124191a55118e9c11109442
commit: 285ad248f6744133988a915887f1ec35f980ee74 [927/1431] f2fs: fix to check i_compr_blocks correctly
config: i386-randconfig-a001-20220117 (https://download.01.org/0day-ci/archive/20220120/202201200957.Gz4xTPFP-lkp(a)intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build):
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common upstream-f2fs-stable-linux-4.14.y
        git checkout 285ad248f6744133988a915887f1ec35f980ee74
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/f2fs/

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:7:0,
                    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=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:12:22: note: in expansion of macro 'KERN_SOH'
    #define KERN_WARNING KERN_SOH "4" /* warning conditions */
                         ^~~~~~~~
   fs/f2fs/f2fs.h:1947:19: note: in expansion of macro 'KERN_WARNING'
     f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
                      ^~~~~~~~~~~~
   fs/f2fs/inode.c:303:4: note: in expansion of macro 'f2fs_warn'
       f2fs_warn(sbi, "%s: inode (ino=%lx) has inconsistent "
       ^~~~~~~~~
   fs/f2fs/inode.c:304:38: note: format string is defined here
        "i_compr_blocks:%llu, i_blocks:%lu, run fsck to fix",
                                       ~~^
                                       %llu


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