Hi Chunhai, kernel test robot noticed the following build errors:
[auto build test ERROR on xiang-erofs/dev-test] [also build test ERROR on xiang-erofs/dev xiang-erofs/fixes linus/master v6.12-rc7 next-20241112] [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/Chunhai-Guo/erofs-add-sysfs-node-to-drop-all-compression-related-caches/20241112-170412 base: https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test patch link: https://lore.kernel.org/r/20241112091403.586545-1-guochunhai%40vivo.com patch subject: [PATCH] erofs: add sysfs node to drop all compression-related caches config: i386-randconfig-003-20241112 (https://download.01.org/0day-ci/archive/20241113/202411130033.zp2akhk8-...@intel.com/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241113/202411130033.zp2akhk8-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202411130033.zp2akhk8-...@intel.com/ All errors (new ones prefixed by >>): In file included from fs/erofs/sysfs.c:9: In file included from fs/erofs/internal.h:11: In file included from include/linux/dax.h:6: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> fs/erofs/sysfs.c:175:3: error: call to undeclared function >> 'z_erofs_shrink_scan'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 175 | z_erofs_shrink_scan(sbi, ~0UL); | ^ 1 warning and 1 error generated. vim +/z_erofs_shrink_scan +175 fs/erofs/sysfs.c 132 133 static ssize_t erofs_attr_store(struct kobject *kobj, struct attribute *attr, 134 const char *buf, size_t len) 135 { 136 struct erofs_sb_info *sbi = container_of(kobj, struct erofs_sb_info, 137 s_kobj); 138 struct erofs_attr *a = container_of(attr, struct erofs_attr, attr); 139 unsigned char *ptr = __struct_ptr(sbi, a->struct_type, a->offset); 140 unsigned long t; 141 int ret; 142 143 switch (a->attr_id) { 144 case attr_pointer_ui: 145 if (!ptr) 146 return 0; 147 ret = kstrtoul(skip_spaces(buf), 0, &t); 148 if (ret) 149 return ret; 150 if (t != (unsigned int)t) 151 return -ERANGE; 152 #ifdef CONFIG_EROFS_FS_ZIP 153 if (!strcmp(a->attr.name, "sync_decompress") && 154 (t > EROFS_SYNC_DECOMPRESS_FORCE_OFF)) 155 return -EINVAL; 156 #endif 157 *(unsigned int *)ptr = t; 158 return len; 159 case attr_pointer_bool: 160 if (!ptr) 161 return 0; 162 ret = kstrtoul(skip_spaces(buf), 0, &t); 163 if (ret) 164 return ret; 165 if (t != 0 && t != 1) 166 return -EINVAL; 167 *(bool *)ptr = !!t; 168 return len; 169 case attr_drop_caches: 170 ret = kstrtoul(skip_spaces(buf), 0, &t); 171 if (ret) 172 return ret; 173 if (t != 1) 174 return -EINVAL; > 175 z_erofs_shrink_scan(sbi, ~0UL); 176 return len; 177 } 178 return 0; 179 } 180 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki