Hi Zhang, kernel test robot noticed the following build warnings: [auto build test WARNING on brauner-vfs/vfs.all] [also build test WARNING on linus/master v6.9 next-20240516] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Zhang-Yi/iomap-pass-blocksize-to-iomap_truncate_page/20240516-154238 base: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all patch link: https://lore.kernel.org/r/20240516073001.1066373-2-yi.zhang%40huaweicloud.com patch subject: [PATCH v2 1/3] iomap: pass blocksize to iomap_truncate_page() config: arm-davinci_all_defconfig (https://download.01.org/0day-ci/archive/20240517/202405170356.gLrF2NDl-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d3455f4ddd16811401fa153298fadd2f59f6914e) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240517/202405170356.gLrF2NDl-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202405170356.gLrF2NDl-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from fs/iomap/buffered-io.c:9: In file included from include/linux/iomap.h:7: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/arm/include/asm/cacheflush.h:10: In file included from include/linux/mm.h:2210: include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> fs/iomap/buffered-io.c:1453:7: warning: comparison of distinct pointer types ('typeof ((pos)) *' (aka 'long long *') and 'uint64_t *' (aka 'unsigned long long *')) [-Wcompare-distinct-pointer-types] 1453 | do_div(pos, blocksize); | ^~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:222:28: note: expanded from macro 'do_div' 222 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ | ~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~ 2 warnings generated. vim +1453 fs/iomap/buffered-io.c 1446 1447 int 1448 iomap_truncate_page(struct inode *inode, loff_t pos, unsigned int blocksize, 1449 bool *did_zero, const struct iomap_ops *ops) 1450 { 1451 loff_t start = pos; 1452 unsigned int off = is_power_of_2(blocksize) ? (pos & (blocksize - 1)) : > 1453 do_div(pos, blocksize); 1454 1455 /* Block boundary? Nothing to do */ 1456 if (!off) 1457 return 0; 1458 return iomap_zero_range(inode, start, blocksize - off, did_zero, ops); 1459 } 1460 EXPORT_SYMBOL_GPL(iomap_truncate_page); 1461 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
