* [jlayton:ctime 2/5] fs/overlayfs/util.c:1119:6: error: call to undeclared function 'is_multigrain_ctime'; ISO C99 and later do not support implicit function declarations
@ 2023-04-22 2:05 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-04-22 2:05 UTC (permalink / raw)
To: Jeff Layton; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git ctime
head: 54dd444fe05963240ab071845d5de2b1da6d7688
commit: f24a43a08ee5e1ae888e58bad45356f8c7985de4 [2/5] overlayfs: flag the ctime as QUERIED on multigrain timestamp when copying up
config: mips-randconfig-r006-20230421 (https://download.01.org/0day-ci/archive/20230422/202304220930.6WSX7mOI-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 437b7602e4a998220871de78afcb020b9c14a661)
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 mips cross compiling tool for clang build
# apt-get install binutils-mipsel-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/?id=f24a43a08ee5e1ae888e58bad45356f8c7985de4
git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git
git fetch --no-tags jlayton ctime
git checkout f24a43a08ee5e1ae888e58bad45356f8c7985de4
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash fs/overlayfs/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304220930.6WSX7mOI-lkp@intel.com/
All errors (new ones prefixed by >>):
>> fs/overlayfs/util.c:1119:6: error: call to undeclared function 'is_multigrain_ctime'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
if (is_multigrain_ctime(realinode)) {
^
fs/overlayfs/util.c:1119:6: note: did you mean 'is_multigrain_ts'?
include/linux/fs.h:2187:20: note: 'is_multigrain_ts' declared here
static inline bool is_multigrain_ts(struct inode *inode)
^
1 error generated.
vim +/is_multigrain_ctime +1119 fs/overlayfs/util.c
1088
1089 /*
1090 * ovl_copyattr() - copy inode attributes from layer to ovl inode
1091 *
1092 * When overlay copies inode information from an upper or lower layer to the
1093 * relevant overlay inode it will apply the idmapping of the upper or lower
1094 * layer when doing so ensuring that the ovl inode ownership will correctly
1095 * reflect the ownership of the idmapped upper or lower layer. For example, an
1096 * idmapped upper or lower layer mapping id 1001 to id 1000 will take care to
1097 * map any lower or upper inode owned by id 1001 to id 1000. These mapping
1098 * helpers are nops when the relevant layer isn't idmapped.
1099 */
1100 void ovl_copyattr(struct inode *inode)
1101 {
1102 struct path realpath;
1103 struct inode *realinode;
1104 struct mnt_idmap *real_idmap;
1105 vfsuid_t vfsuid;
1106 vfsgid_t vfsgid;
1107
1108 ovl_i_path_real(inode, &realpath);
1109 realinode = d_inode(realpath.dentry);
1110 real_idmap = mnt_idmap(realpath.mnt);
1111
1112 vfsuid = i_uid_into_vfsuid(real_idmap, realinode);
1113 vfsgid = i_gid_into_vfsgid(real_idmap, realinode);
1114
1115 inode->i_uid = vfsuid_into_kuid(vfsuid);
1116 inode->i_gid = vfsgid_into_kgid(vfsgid);
1117 inode->i_mode = realinode->i_mode;
1118 inode->i_atime = realinode->i_atime;
> 1119 if (is_multigrain_ctime(realinode)) {
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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