tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git fscache-iter-2 head: 589298a2e3fbae71f425089da4afb5a0fd3f939f commit: a1b4b13a5a0037d49005930b50d186d71e07d74b [58/69] afs: Copy local writes to the cache when writing to the server config: x86_64-randconfig-m001-20210722 (attached as .config) compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce (this is a W=1 build): # 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-iter-2 git checkout a1b4b13a5a0037d49005930b50d186d71e07d74b # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash 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 >>): ld: fs/afs/write.o: in function `afs_set_page_dirty': ld: fs/afs/write.o: in function `fscache_write_to_cache': ld: fs/afs/write.o: in function `fscache_clear_page_bits': vim +27 fs/afs/write.c 17 18 static void afs_write_to_cache(struct afs_vnode *vnode, loff_t start, size_t len, 19 loff_t i_size); 20 21 /* 22 * Mark a page as having been made dirty and thus needing writeback. We also 23 * need to pin the cache object to write back to. 24 */ 25 int afs_set_page_dirty(struct page *page) 26 { 28 } 29 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org