[sheepdog] [PATCH V4] sheep: remove unregister_event from process_event_queue()

[Christoph Hellwig]

> +	sys->nr_nodes = nr_members;
> +	memcpy(sys->nodes, members, sizeof(*sys->nodes) * sys->nr_nodes);
> +	qsort(sys->nodes, sys->nr_nodes, sizeof(*sys->nodes), node_cmp);

> +	update_vnode_info();

This should be a call to update_node_info()