Linux/Convert crypted btrfs to crypted LVM

[root@querix etc]# lsblk 
NAME                                          MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
sda                                             8:0    0 465.8G  0 disk  
├─sda1                                          8:1    0   200M  0 part  /boot/efi
├─sda2                                          8:2    0   500M  0 part  /boot
├─sda3                                          8:3    0   3.9G  0 part  
│ └─luks-d8be01e9-ef97-43e4-a8cd-3e40837b4b22 253:0    0   3.9G  0 crypt [SWAP]
└─sda4                                          8:4    0 461.2G  0 part  
  └─luks-dffe4300-4e4e-4571-bb4a-c8a2b033610b 253:1    0   223G  0 crypt /home
sr0                                            11:0    1  1024M  0 rom   

root@querix etc]# df -h /
Filesystem      Size  Used Avail Use% Mounted on
/dev/dm-1       222G   35G  185G  16% / 

btrfs filesystem resize -240g / 

echo $(( ( 223 * 1024 * 1024 * 1024 ) / 512 ) )) 

cryptsetup resize --size 467664896 /dev/dm-1