public void setDeviceName(String deviceName) {
        this.deviceName = deviceName;
    }
<p>
The device name (for example, <code>/dev/sdh</code> or <code>xvdh</code>).
</p>

@param deviceName
       The device name (for example, <code>/dev/sdh</code> or <code>xvdh</code>).
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/InstanceBlockDeviceMapping.java