trace_f2fs_direct_IO_enter(inode, offset, count, iov_iter_rw(iter));
  
 -      err = blockdev_direct_IO(iocb, inode, iter, offset, get_data_block_dio);
 +      err = blockdev_direct_IO(iocb, inode, iter, get_data_block_dio);
-       if (err < 0 && iov_iter_rw(iter) == WRITE)
-               f2fs_write_failed(mapping, offset + count);
+       if (iov_iter_rw(iter) == WRITE) {
+               if (err > 0)
+                       set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE);
+               else if (err < 0)
+                       f2fs_write_failed(mapping, offset + count);
+       }
  
        trace_f2fs_direct_IO_exit(inode, offset, count, iov_iter_rw(iter), err);