[djwong-xfs:deferred-inactivation-5.14 20/24] fs/xfs/xfs_mount.c:373:2: error: incompatible pointer types passing 'uint32_t *' (aka 'unsigned int *') to parameter of type 'uint64_t *' (aka 'unsigned long long *')

[djwong-xfs:deferred-inactivation-5.14 20/24] fs/xfs/xfs_mount.c:373:2: error: incompatible pointer types passing 'uint32_t *' (aka 'unsigned int *') to parameter of type 'uint64_t *' (aka 'unsigned long long *')

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git deferred-inactivation-5.14
head:   77e8ee4ef7dcff86e0848e876cff8de28808a253
commit: ff61fd32f3a0f1bb9794d9f8fc02de5ec9c2fb40 [20/24] xfs: parallelize inode inactivation
config: arm-randconfig-r006-20210613 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/commit/?id=ff61fd32f3a0f1bb9794d9f8fc02de5ec9c2fb40
        git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git
        git fetch --no-tags djwong-xfs deferred-inactivation-5.14
        git checkout ff61fd32f3a0f1bb9794d9f8fc02de5ec9c2fb40
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

>> fs/xfs/xfs_mount.c:373:2: warning: comparison of distinct pointer types ('typeof ((ag_space)) *' (aka 'unsigned int *') and 'uint64_t *' (aka 'unsigned long long *')) [-Wcompare-distinct-pointer-types]
           do_div(ag_space, 100);
           ^~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/div64.h:228:28: note: expanded from macro 'do_div'
           (void)(((typeof((n)) *)0) == ((uint64_t *)0));  \
                  ~~~~~~~~~~~~~~~~~~ ^  ~~~~~~~~~~~~~~~
>> fs/xfs/xfs_mount.c:373:2: error: incompatible pointer types passing 'uint32_t *' (aka 'unsigned int *') to parameter of type 'uint64_t *' (aka 'unsigned long long *') [-Werror,-Wincompatible-pointer-types]
           do_div(ag_space, 100);
           ^~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/div64.h:245:22: note: expanded from macro 'do_div'
                   __rem = __div64_32(&(n), __base);       \
                                      ^~~~
   arch/arm/include/asm/div64.h:24:45: note: passing argument to parameter 'n' here
   static inline uint32_t __div64_32(uint64_t *n, uint32_t base)
                                               ^
>> fs/xfs/xfs_mount.c:373:2: warning: shift count >= width of type [-Wshift-count-overflow]
           do_div(ag_space, 100);
           ^~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/div64.h:241:25: note: expanded from macro 'do_div'
           } else if (likely(((n) >> 32) == 0)) {          \
                                  ^  ~~
   include/linux/compiler.h:45:39: note: expanded from macro 'likely'
   #  define likely(x)     (__branch_check__(x, 1, __builtin_constant_p(x)))
                                             ^
   include/linux/compiler.h:33:34: note: expanded from macro '__branch_check__'
                           ______r = __builtin_expect(!!(x), expect);      \
                                                         ^
>> fs/xfs/xfs_mount.c:373:2: warning: shift count >= width of type [-Wshift-count-overflow]
           do_div(ag_space, 100);
           ^~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/div64.h:241:25: note: expanded from macro 'do_div'
           } else if (likely(((n) >> 32) == 0)) {          \
                                  ^  ~~
   include/linux/compiler.h:45:66: note: expanded from macro 'likely'
   #  define likely(x)     (__branch_check__(x, 1, __builtin_constant_p(x)))
                                                                        ^
   include/linux/compiler.h:35:19: note: expanded from macro '__branch_check__'
                                                expect, is_constant);      \
                                                        ^~~~~~~~~~~
   3 warnings and 1 error generated.


vim +373 fs/xfs/xfs_mount.c

   360	
   361	/*
   362	 * precalculate the low space thresholds for dynamic speculative preallocation.
   363	 */
   364	void
   365	xfs_set_low_space_thresholds(
   366		struct xfs_mount	*mp)
   367	{
   368		uint64_t		space = mp->m_sb.sb_dblocks;
   369		uint32_t		ag_space = mp->m_sb.sb_agblocks;
   370		int			i;
   371	
   372		do_div(space, 100);
 > 373		do_div(ag_space, 100);
   374	
   375		for (i = 0; i < XFS_LOWSP_MAX; i++) {
   376			mp->m_low_space[i] = space * (i + 1);
   377			mp->m_ag_low_space[i] = ag_space * (i + 1);
   378		}
   379	}
   380	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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