Method write_cluster

block/src/qcow/qcow_raw_file.rs:335–339

Writes

(&mut self, address: u64, data: &[u8])

    /// Writes
    pub fn write_cluster(&mut self, address: u64, data: &[u8]) -> io::Result<()> {
        let cluster_size = self.cluster_size as usize;
        self.file.seek(SeekFrom::Start(address))?;
        self.file.write_all(&data[0..cluster_size])
    }

    pub fn physical_size(&self) -> Result<u64, std::io::Error> {
        self.file.metadata().map(|m| m.len())