if err != nil {
		return err
	}

	if !immediatePurge && s.diskAlmostFilled() {
		immediatePurge = true
	}

	// immediately purge the target
	if immediatePurge {
		for _, target := range []string{
			targetPath,
			targetPath2,
		} {
			if target == "" {
				continue
			}
			select {
			case s.immediatePurge <- target:
			default: