tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 9aaeb87ce1e966169a57f53a02ba05b30880ffb8 commit: 436df5326f579750c9a03b986e81132c4bab46f6 [9848/10296] xfs: add pre-content fsnotify hook for write faults config: arm-randconfig-r031-20230101 (https://download.01.org/0day-ci/archive/20240907/202409071013.bbWWqWwI-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240907/202409071013.bbWWqWwI-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/202409071013.bbWWqWwI-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: fs/xfs/xfs_file.o: in function `xfs_write_fault': >> fs/xfs/xfs_file.c:1286:(.text+0xd5a): undefined reference to `filemap_fsnotify_fault' vim +1286 fs/xfs/xfs_file.c 1275 1276 static vm_fault_t 1277 xfs_write_fault( 1278 struct vm_fault *vmf, 1279 unsigned int order) 1280 { 1281 struct inode *inode = file_inode(vmf->vma->vm_file); 1282 struct xfs_inode *ip = XFS_I(inode); 1283 unsigned int lock_mode = XFS_MMAPLOCK_SHARED; 1284 vm_fault_t ret; 1285 > 1286 ret = filemap_fsnotify_fault(vmf); 1287 if (unlikely(ret)) 1288 return ret; 1289 1290 sb_start_pagefault(inode->i_sb); 1291 file_update_time(vmf->vma->vm_file); 1292 1293 /* 1294 * Normally we only need the shared mmaplock, but if a reflink remap is 1295 * in progress we take the exclusive lock to wait for the remap to 1296 * finish before taking a write fault. 1297 */ 1298 xfs_ilock(ip, XFS_MMAPLOCK_SHARED); 1299 if (xfs_iflags_test(ip, XFS_IREMAPPING)) { 1300 xfs_iunlock(ip, XFS_MMAPLOCK_SHARED); 1301 xfs_ilock(ip, XFS_MMAPLOCK_EXCL); 1302 lock_mode = XFS_MMAPLOCK_EXCL; 1303 } 1304 1305 if (IS_DAX(inode)) 1306 ret = xfs_dax_fault_locked(vmf, order, true); 1307 else 1308 ret = iomap_page_mkwrite(vmf, &xfs_page_mkwrite_iomap_ops); 1309 xfs_iunlock(ip, lock_mode); 1310 1311 sb_end_pagefault(inode->i_sb); 1312 return ret; 1313 } 1314 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki