_: { boot = { initrd.supportedFilesystems = [ "vfat" "btrfs" ]; supportedFilesystems = [ "vfat" "btrfs" "ext4" "exfat" ]; }; fileSystems = { "/" = { device = "/dev/disk/by-partlabel/LAYNE_ROOT"; fsType = "btrfs"; options = [ "subvol=@root" "compress-force=zstd" "noatime" ]; neededForBoot = true; }; "/nix" = { device = "/dev/disk/by-partlabel/LAYNE_ROOT"; fsType = "btrfs"; options = [ "subvol=@nix" "compress-force=zstd" "noatime" ]; neededForBoot = true; }; "/persist" = { device = "/dev/disk/by-partlabel/LAYNE_ROOT"; fsType = "btrfs"; options = [ "subvol=@persist" "compress-force=zstd" "noatime" ]; neededForBoot = true; }; "/mnt/system" = { device = "/dev/disk/by-partlabel/LAYNE_ROOT"; fsType = "btrfs"; options = [ "subvol=/" "compress-force=zstd" "noatime" ]; }; "/boot" = { device = "/dev/disk/by-partlabel/LAYNE_BOOT"; fsType = "vfat"; options = [ "fmask=0022" "dmask=0022" ]; }; }; swapDevices = [ { device = "/dev/disk/by-partlabel/LAYNE_SWAP"; } ]; }