Hi Yunlong, kernel test robot noticed the following build errors: [auto build test ERROR on mszeredi-vfs/overlayfs-next] [also build test ERROR on linus/master v6.5-rc2 next-20230719] [cannot apply to mszeredi-vfs/next] [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/Yunlong-Xing/ovl-fix-mount-fail-because-the-upper-doesn-t-have-space/20230719-165654 base: https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-next patch link: https://lore.kernel.org/r/20230719085434.154834-1-yunlong.xing%40unisoc.com patch subject: [PATCH V2] ovl: fix mount fail because the upper doesn't have space config: arc-randconfig-r024-20230718 (https://download.01.org/0day-ci/archive/20230719/202307192052.2CaL6sdr-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230719/202307192052.2CaL6sdr-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/202307192052.2CaL6sdr-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): fs/overlayfs/super.c: In function 'ovl_make_workdir': >> fs/overlayfs/super.c:1192:25: warning: missing terminating " character 1192 | pr_warn("upper fs does not support RENAME_WHITEOUT (%i).\n, | ^ fs/overlayfs/super.c:1193:28: warning: missing terminating " character 1193 | err"); | ^ >> fs/overlayfs/super.c:2065:23: error: unterminated argument list invoking macro "pr_warn" 2065 | module_exit(ovl_exit); | ^ >> fs/overlayfs/super.c:1192:17: error: 'pr_warn' undeclared (first use in this function) 1192 | pr_warn("upper fs does not support RENAME_WHITEOUT (%i).\n, | ^~~~~~~ fs/overlayfs/super.c:1192:17: note: each undeclared identifier is reported only once for each function it appears in >> fs/overlayfs/super.c:1192:24: error: expected ';' at end of input 1192 | pr_warn("upper fs does not support RENAME_WHITEOUT (%i).\n, | ^ | ; ...... fs/overlayfs/super.c:1191:9: note: '-Wmisleading-indentation' is disabled from this point onwards, since column-tracking was disabled due to the size of the code/headers 1191 | if (!rename_whiteout) | ^~ fs/overlayfs/super.c:1191:9: note: adding '-flarge-source-files' will allow for more column-tracking support, at the expense of compilation time and memory >> fs/overlayfs/super.c:1192:17: error: expected declaration or statement at end of input 1192 | pr_warn("upper fs does not support RENAME_WHITEOUT (%i).\n, | ^~~~~~~ >> fs/overlayfs/super.c:1188:17: error: label 'out' used but not defined 1188 | goto out; | ^~~~ fs/overlayfs/super.c:1144:13: warning: unused variable 'fh_type' [-Wunused-variable] 1144 | int fh_type; | ^~~~~~~ fs/overlayfs/super.c: At top level: fs/overlayfs/super.c:1136:12: warning: 'ovl_make_workdir' defined but not used [-Wunused-function] 1136 | static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs, | ^~~~~~~~~~~~~~~~ fs/overlayfs/super.c:1118:12: warning: 'ovl_create_volatile_dirty' defined but not used [-Wunused-function] 1118 | static int ovl_create_volatile_dirty(struct ovl_fs *ofs) | ^~~~~~~~~~~~~~~~~~~~~~~~~ fs/overlayfs/super.c:969:12: warning: 'ovl_get_upper' defined but not used [-Wunused-function] 969 | static int ovl_get_upper(struct super_block *sb, struct ovl_fs *ofs, | ^~~~~~~~~~~~~ fs/overlayfs/super.c:926:36: warning: 'ovl_user_xattr_handlers' defined but not used [-Wunused-variable] 926 | static const struct xattr_handler *ovl_user_xattr_handlers[] = { | ^~~~~~~~~~~~~~~~~~~~~~~ fs/overlayfs/super.c:920:36: warning: 'ovl_trusted_xattr_handlers' defined but not used [-Wunused-variable] 920 | static const struct xattr_handler *ovl_trusted_xattr_handlers[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~~ fs/overlayfs/super.c:859:13: warning: 'ovl_workdir_ok' defined but not used [-Wunused-function] 859 | static bool ovl_workdir_ok(struct dentry *workdir, struct dentry *upperdir) | ^~~~~~~~~~~~~~ fs/overlayfs/super.c:816:12: warning: 'ovl_lower_dir' defined but not used [-Wunused-function] 816 | static int ovl_lower_dir(const char *name, struct path *path, | ^~~~~~~~~~~~~ fs/overlayfs/super.c:580:12: warning: 'ovl_fs_params_verify' defined but not used [-Wunused-function] 580 | static int ovl_fs_params_verify(const struct ovl_fs_context *ctx, | ^~~~~~~~~~~~~~~~~~~~ fs/overlayfs/super.c:493:12: warning: 'ovl_parse_param' defined but not used [-Wunused-function] 493 | static int ovl_parse_param(struct fs_context *fc, struct fs_parameter *param) | ^~~~~~~~~~~~~~~ fs/overlayfs/super.c:442:38: warning: 'ovl_super_operations' defined but not used [-Wunused-const-variable=] 442 | static const struct super_operations ovl_super_operations = { | ^~~~~~~~~~~~~~~~~~~~ fs/overlayfs/super.c:420:12: warning: 'ovl_reconfigure' defined but not used [-Wunused-function] 420 | static int ovl_reconfigure(struct fs_context *fc) | ^~~~~~~~~~~~~~~ fs/overlayfs/super.c:166:39: warning: 'ovl_dentry_operations' defined but not used [-Wunused-const-variable=] 166 | static const struct dentry_operations ovl_dentry_operations = { | ^~~~~~~~~~~~~~~~~~~~~ vim +/pr_warn +2065 fs/overlayfs/super.c e9be9d5e76e348 Miklos Szeredi 2014-10-24 2063 e9be9d5e76e348 Miklos Szeredi 2014-10-24 2064 module_init(ovl_init); e9be9d5e76e348 Miklos Szeredi 2014-10-24 @2065 module_exit(ovl_exit); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
