Oops, remove remnants of old attribute lock

fs/inode.c

@@ -143,7 +143,6 @@ void inode_init_once(struct inode *inode)
 	INIT_LIST_HEAD(&inode->i_dirty_data_buffers);
 	INIT_LIST_HEAD(&inode->i_devices);
 	sema_init(&inode->i_sem, 1);
-	sema_init(&inode->i_attr_lock, 1);
 	spin_lock_init(&inode->i_data.i_shared_lock);
 	INIT_LIST_HEAD(&inode->i_data.i_mmap);
 	INIT_LIST_HEAD(&inode->i_data.i_mmap_shared);