{ lib, ... }: { fileSystems."/" = lib.mkDefault { device = "/dev/disk/by-uuid/d969ee61-12cf-4490-be07-4440c7be593f"; fsType = "btrfs"; options = [ "compress=zstd" "defaults" ]; }; fileSystems."/boot" = { device = lib.mkDefault "/dev/disk/by-uuid/F826-6192"; fsType = "vfat"; }; }