tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git repair-symlink-swapext head: 851df07d9599471df909c4ff0e3cf33f4b9619f0 commit: 851df07d9599471df909c4ff0e3cf33f4b9619f0 [325/325] xfs: convert symlink repair to use swapext config: riscv-randconfig-r042-20211216 (https://download.01.org/0day-ci/archive/20211216/202112162223.7F9L1svL-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dd245bab9fbb364faa1581e4f92ba3119a872fba) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/comm... git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git git fetch --no-tags djwong-xfs repair-symlink-swapext git checkout 851df07d9599471df909c4ff0e3cf33f4b9619f0 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash fs/xfs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): fs/xfs/libxfs/xfs_symlink_remote.c:28:1: warning: no previous prototype for function 'xfs_symlink_blocks' [-Wmissing-prototypes] xfs_symlink_blocks( ^ fs/xfs/libxfs/xfs_symlink_remote.c:27:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ^ static fs/xfs/libxfs/xfs_symlink_remote.c:38:1: warning: no previous prototype for function 'xfs_symlink_hdr_set' [-Wmissing-prototypes] xfs_symlink_hdr_set( ^ fs/xfs/libxfs/xfs_symlink_remote.c:37:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ^ static fs/xfs/libxfs/xfs_symlink_remote.c:68:1: warning: no previous prototype for function 'xfs_symlink_hdr_ok' [-Wmissing-prototypes] xfs_symlink_hdr_ok( ^ fs/xfs/libxfs/xfs_symlink_remote.c:67:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool ^ static fs/xfs/libxfs/xfs_symlink_remote.c:167:1: warning: no previous prototype for function 'xfs_symlink_local_to_remote' [-Wmissing-prototypes] xfs_symlink_local_to_remote( ^ fs/xfs/libxfs/xfs_symlink_remote.c:166:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void ^ static fs/xfs/libxfs/xfs_symlink_remote.c:206:1: warning: no previous prototype for function 'xfs_symlink_shortform_verify' [-Wmissing-prototypes] xfs_symlink_shortform_verify( ^ fs/xfs/libxfs/xfs_symlink_remote.c:205:1: note: declare 'static' if the function is not intended to be used outside of this translation unit xfs_failaddr_t ^ static fs/xfs/libxfs/xfs_symlink_remote.c:239:1: warning: no previous prototype for function 'xfs_symlink_remote_read' [-Wmissing-prototypes] xfs_symlink_remote_read( ^ fs/xfs/libxfs/xfs_symlink_remote.c:238:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ^ static fs/xfs/libxfs/xfs_symlink_remote.c:311:1: warning: no previous prototype for function 'xfs_symlink_write_target' [-Wmissing-prototypes] xfs_symlink_write_target( ^ fs/xfs/libxfs/xfs_symlink_remote.c:310:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ^ static xfs_symlink_remote_truncate( ^ fs/xfs/libxfs/xfs_symlink_remote.c:386:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ^ static 8 warnings generated. vim +/xfs_symlink_remote_truncate +387 fs/xfs/libxfs/xfs_symlink_remote.c 308 309 /* Write the symlink target into the inode. */ 310 int 312 struct xfs_trans *tp, 313 struct xfs_inode *ip, 314 const char *target_path, 315 int pathlen, 316 xfs_fsblock_t fs_blocks, 317 uint resblks) 318 { 319 struct xfs_bmbt_irec mval[XFS_SYMLINK_MAPS]; 320 struct xfs_mount *mp = tp->t_mountp; 321 const char *cur_chunk; 322 struct xfs_buf *bp; 323 xfs_daddr_t d; 324 int byte_cnt; 325 int nmaps; 326 int offset = 0; 327 int n; 328 int error; 329 330 /* 331 * If the symlink will fit into the inode, write it inline. 332 */ 333 if (pathlen <= XFS_IFORK_DSIZE(ip)) { 334 xfs_init_local_fork(ip, XFS_DATA_FORK, target_path, pathlen); 335 336 ip->i_disk_size = pathlen; 337 ip->i_df.if_format = XFS_DINODE_FMT_LOCAL; 338 xfs_trans_log_inode(tp, ip, XFS_ILOG_DDATA | XFS_ILOG_CORE); 339 return 0; 340 } 341 342 nmaps = XFS_SYMLINK_MAPS; 343 error = xfs_bmapi_write(tp, ip, 0, fs_blocks, XFS_BMAPI_METADATA, 344 resblks, mval, &nmaps); 345 if (error) 346 return error; 347 348 ip->i_disk_size = pathlen; 349 xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); 350 351 cur_chunk = target_path; 352 offset = 0; 353 for (n = 0; n < nmaps; n++) { 354 char *buf; 355 356 d = XFS_FSB_TO_DADDR(mp, mval[n].br_startblock); 357 byte_cnt = XFS_FSB_TO_B(mp, mval[n].br_blockcount); 358 error = xfs_trans_get_buf(tp, mp->m_ddev_targp, d, 359 BTOBB(byte_cnt), 0, &bp); 360 if (error) 361 return error; 362 bp->b_ops = &xfs_symlink_buf_ops; 363 364 byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt); 365 byte_cnt = min(byte_cnt, pathlen); 366 367 buf = bp->b_addr; 368 buf += xfs_symlink_hdr_set(mp, ip->i_ino, offset, byte_cnt, 369 bp); 370 371 memcpy(buf, cur_chunk, byte_cnt); 372 373 cur_chunk += byte_cnt; 374 pathlen -= byte_cnt; 375 offset += byte_cnt; 376 377 xfs_trans_buf_set_type(tp, bp, XFS_BLFT_SYMLINK_BUF); 378 xfs_trans_log_buf(tp, bp, 0, (buf + byte_cnt - 1) - 379 (char *)bp->b_addr); 380 } 381 ASSERT(pathlen == 0); 382 return 0; 383 } 384 385 /* Remove all the blocks from a symlink and invalidate buffers. */ 386 int --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org