Translations:Btrfs/87/en
From Manjaro
Compression ⇒
You can turn on compression at any time by changing the mount options in the fstab. After the next reboot, all newly written data from then on will be automatically compressed. Compression factors of 2:1 on average are not uncommon. @see mount-options
UUID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx / btrfs rw,noatime,compress=zstd,subvol=@ 0 0