Re: [PATCH v2 2/5] fetch: Add the "--fetch-jobs" option

> +static int next_remote_to_fetch(struct child_process *cp,
> +				struct strbuf *out,
> +				void *state_uncast,
> +				void **task_state_out)
> +{
> +	int i;
> +	struct fetch_remote *state = state_uncast;
> +	struct fetch_remote_task *task_state = NULL;
> +	const char *remote_name;
> +
> +	if (state->next_remote_index >= state->all_remotes->nr)
> +		return 0;
> +
> +	remote_name = state->all_remotes->items[state->next_remote_index].string;
> +	state->next_remote_index++;
> +
> +	/*
> +	 * Finds somewhere to store the state for a task.  This is guarnteed to
> +	 * succeed because there are always enough tasks allocated to cover the
> +	 * number that have been requested to run in parallel.  Rather than
> +	 * bothering with some sort of free list, this just brute force
> +	 * searches for a free task.  The assumption is that there aren't that
> +	 * many tasks to look through.
> +	 */
> +	for (i = 0; i < state->task_count; ++i) {
> +		if (!state->all_tasks[i].in_use) {
> +			task_state = state->all_tasks + i;
> +			break;
> +		}
> +	}