Today I encrypted an UEFI disk for the first time and found out that the "Full disk encryption" feature is not available at UEFI. What I am concerned of is the following. I am using an SSD and setup over provisioning which helps the SSD controller to manage SSD disk space. So let's say of a 500GB SSD I let 50GB not assigned to any partition. In my understanding when I am encrypting only the partition on which the operating system is installed then only the data on the encrypted system partition will...