tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git fscache-rewrite-indexing head: 77d7cb0fca08e72544d242d6897dede22de6bc20 commit: 77d7cb0fca08e72544d242d6897dede22de6bc20 [77/77] cifs: Support fscache indexing rewrite (untested) config: x86_64-randconfig-r031-20211019 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d245f2e8597bfb52c34810a328d42b990e4af1a4) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/com... git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git git fetch --no-tags dhowells-fs fscache-rewrite-indexing git checkout 77d7cb0fca08e72544d242d6897dede22de6bc20 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/cifs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from fs/cifs/cifsfs.c:40: fs/cifs/fscache.h:103:38: error: redefinition of 'cifs_inode_cookie' static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) ^ fs/cifs/fscache.h:93:38: note: previous definition is here static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) { return NULL; } ^ cifs_fscache_unuse_inode_cookie(inode, true); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^~~~ fs/cifs/fscache.h:92:20: note: 'cifs_fscache_unuse_inode_cookie' declared here static inline void cifs_fscache_unuse_inode_cookie(struct inode *inode) {} ^ 2 errors generated. -- In file included from fs/cifs/file.c:32: fs/cifs/fscache.h:103:38: error: redefinition of 'cifs_inode_cookie' static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) ^ fs/cifs/fscache.h:93:38: note: previous definition is here static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) { return NULL; } ^ struct cifs_fscache_inode_auxdata auxdata; ^ fs/cifs/file.c:641:10: note: forward declaration of 'struct cifs_fscache_inode_auxdata' struct cifs_fscache_inode_auxdata auxdata; ^ cifs_fscache_fill_auxdata(file_inode(file), &auxdata); ^ cifs_fscache_unuse_inode_cookie(inode, file->f_mode & FMODE_WRITE); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~ fs/cifs/fscache.h:92:20: note: 'cifs_fscache_unuse_inode_cookie' declared here static inline void cifs_fscache_unuse_inode_cookie(struct inode *inode) {} ^ 4 errors generated. -- In file included from fs/cifs/inode.c:25: fs/cifs/fscache.h:103:38: error: redefinition of 'cifs_inode_cookie' static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) ^ fs/cifs/fscache.h:93:38: note: previous definition is here static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) { return NULL; } ^ struct cifs_fscache_inode_auxdata auxdata; ^ fs/cifs/inode.c:2263:9: note: forward declaration of 'struct cifs_fscache_inode_auxdata' struct cifs_fscache_inode_auxdata auxdata; ^ cifs_fscache_fill_auxdata(&cifsi->vfs_inode, &auxdata); ^ 3 errors generated. vim +/inode +401 fs/cifs/cifsfs.c 395 396 static void 397 cifs_evict_inode(struct inode *inode) 398 { 399 truncate_inode_pages_final(&inode->i_data); 400 if (inode->i_state & I_PINNING_FSCACHE_WB) 402 clear_inode(inode); 403 } 404 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org