rem: struct vnode *vnode = descriptor->vnode;
add: struct vnode *vnode = descriptor->u.vnode;
context: attr_seek(struct file_descriptor *descriptor, off_t pos, int seekType){	struct vnode *vnode = descriptor->vnode;	FUNCTION(("attr_seek: pos 0x%Ld, seek_type %d\n", pos, seekType));	if (!FS_CALL(vnode, seek_attr))		return EOPNOTSUPP;	return FS_CALL(vnode, seek_attr)(vnode->mount->cookie, vnode->private_node, descriptor->cookie, pos, seekType);}