{ config, pkgs, ... }: { boot.loader.systemd-boot.enable = true; fileSystems."/boot" = { device = "/dev/disk/by-label/boot"; fsType = "vfat"; }; fileSystems."/" = { device = "/dev/disk/by-partlabel/NIXOS"; fsType = "btrfs"; options = [ "subvol=@" "ssd" "compress=zstd:3" "discard=async" "noatime" ]; }; fileSystems."/nix/store" = { device = "/dev/disk/by-uuid/…"; fsType = "btrfs"; options = [ "subvol=@nix-store" "ssd" "compress=zstd:3" "discard=async" "noatime" ]; }; fileSystems."/nix/persist" = { device = "/dev/disk/by-partlabel/NIXOS"; fsType = "btrfs"; options = [ "subvol=@nix-persist" "ssd" "compress=zstd:3" "discard=async" "noatime" ]; }; }