SSD with full encryption (LUKS) => TRIM needed?

[Olli]

hello, there is a real existing and functioning forum search

How to trim luks encrypted device?

My disk layout is: nvme0n1 259:0 0 931,5G 0 disk ├─nvme0n1p1 259:1 0 500M 0 part /boot ├─nvme0n1p2 259:2 0 431G 0 part /Windows └─nvme0n1p3 259:3 0 500G 0 part └─cryptroot 254:0 0 500G 0 crypt /var/cache /home / Linux is installed on cryptroot (btrfs). In fstab I have noatime option, and I have enabled fstrim.timer Today after a few disk manipulations I did fstrim…