+ ratelimit_calculate_delay(&job->limit, n);
+}
+
+void block_job_ratelimit_sleep(BlockJob *job)
+{
+ uint64_t delay_ns;
+
+ /*
+ * Sleep at least once. If the job is reentered early, keep waiting until
+ * we've waited for the full time that is necessary to keep the job at the
+ * right speed.
+ *
+ * Make sure to recalculate the delay after each (possibly interrupted)
+ * sleep because the speed can change while the job has yielded.
+ */
+ do {
+ delay_ns = ratelimit_calculate_delay(&job->limit, 0);
+ job_sleep_ns(&job->job, delay_ns);
+ } while (delay_ns && !job_is_cancelled(&job->job));