proc            /proc           proc    defaults                                          0  0
BOOTDEV         /boot/firmware  vfat    defaults                                          0  2
ROOTDEV         /               btrfs   defaults,noatime,compress=zstd,subvol=@           0  1
ROOTDEV         /home           btrfs   defaults,noatime,compress=zstd,subvol=@home       0  2
ROOTDEV         /var            btrfs   defaults,noatime,compress=zstd,subvol=@var        0  2
ROOTDEV         /.snapshots     btrfs   defaults,noatime,compress=zstd,subvol=@snapshots  0  2