for {
		select {
		case <-ctx.Done():
			return
		case entry := <-s.immediatePurge:
			// Add deadlines such that immediate purge is not
			// perpetually hung here.
			w := xioutil.NewDeadlineWorker(globalDriveConfig.GetMaxTimeout())
			w.Run(func() error {
				return removeAll(entry)
			})
		}
	}
}

const almostFilledPercent = 0.05