From b1a7366eb43ffc0bdb4cb9ad76bfbe9ace6983e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Eug=C3=AAnio?= <lelgenio@disroot.org>
Date: Mon, 31 Oct 2022 13:31:37 -0300
Subject: [PATCH] monolith: compress btrfs volumes

---
 hosts/monolith.nix | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/hosts/monolith.nix b/hosts/monolith.nix
index 6d4d951..f79b928 100644
--- a/hosts/monolith.nix
+++ b/hosts/monolith.nix
@@ -1,7 +1,9 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }: {
+{ config, lib, pkgs, modulesPath, ... }: let
+  btrfs_options = [ "compress=zstd:3" "noatime" ];
+in {
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
   boot.initrd.availableKernelModules =
     [ "nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
@@ -39,17 +41,17 @@
   fileSystems."/home" = {
     device = "/dev/disk/by-label/BTRFS_ROOT";
     fsType = "btrfs";
-    options = [ "subvol=home" ];
+    options = [ "subvol=home" ] ++ btrfs_options;
   };
   fileSystems."/home/lelgenio/Games" = {
     device = "/dev/disk/by-label/BTRFS_DATA";
     fsType = "btrfs";
-    options = [ "subvol=@games" "nofail" ];
+    options = [ "subvol=@games" "nofail" ] ++ btrfs_options;
   };
   fileSystems."/home/lelgenio/Downloads/Torrents" = {
     device = "/dev/disk/by-label/BTRFS_DATA";
     fsType = "btrfs";
-    options = [ "subvol=@torrents" "nofail" ];
+    options = [ "subvol=@torrents" "nofail" ] ++ btrfs_options;
   };
   services.udev.extraRules = ''
     ACTION=="add", SUBSYSTEM=="pci", DRIVER=="pcieport", ATTR{power/wakeup}="disabled"