don't need to lock directory in ->llseek(), either
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 
 static const struct file_operations romfs_dir_operations = {
        .read           = generic_read_dir,
-       .iterate        = romfs_readdir,
-       .llseek         = default_llseek,
+       .iterate_shared = romfs_readdir,
+       .llseek         = generic_file_llseek,
 };
 
 static const struct inode_operations romfs_dir_inode_operations = {
 
 
 const struct file_operations squashfs_dir_ops = {
        .read = generic_read_dir,
-       .iterate = squashfs_readdir,
-       .llseek = default_llseek,
+       .iterate_shared = squashfs_readdir,
+       .llseek = generic_file_llseek,
 };