if !bytes.Equal(got, data[skip:]) {
		logger.Fatal(errSelfTestFailure, "compress: self-test roundtrip mismatch.")
	}
}

// getDiskInfos returns the disk information for the provided disks.
// If a disk is nil or an error is returned the result will be nil as well.
func getDiskInfos(ctx context.Context, disks ...StorageAPI) []*DiskInfo {
	res := make([]*DiskInfo, len(disks))
	opts := DiskInfoOptions{}