05f7de0 Make the Encrypt checkbox insensitive for encrypted non-BTRFS devices (#1210254)

Authored and Committed by vpodzime 9 years ago
    Make the Encrypt checkbox insensitive for encrypted non-BTRFS devices (#1210254)
    
    If any of the ancestors of the chosen device is encrypted (typically an
    encrypted container like LVM on top of LUKS), we don't want to let user play
    with the Encrypt checkbox even if the device is not BTRFS.