Method write_zeroes

block/src/qcow_sync.rs:305–309

(&mut self, offset: u64, length: u64, user_data: u64)

    }

    fn write_zeroes(&mut self, offset: u64, length: u64, user_data: u64) -> AsyncIoResult<()> {
        // For QCOW2 write_zeroes uses cluster deallocation, same as punch_hole.
        // Unallocated clusters inherently read as zero in the QCOW2 format.
        self.punch_hole(offset, length, user_data)
    }
}

#[cfg(test)]