Parameterise ssd module

machines/nunotaba/configuration.nix

@@ -6,7 +6,6 @@
       ./hardware-configuration.nix
       ../../modules/cpu/intel.nix
       ../../modules/gpu/intel.nix
-      ../../modules/ssd.nix
       ../../modules/libvirt.nix
       ../../modules
       ../../profiles/dev.nix
@@ -16,6 +15,7 @@
   sbruder = {
     gui = true;
     restic.enable = true;
+    ssd.enable = true;
     wireguard.home = {
       enable = true;
       address = "10.80.0.4";

machines/sayuri/configuration.nix

@@ -7,7 +7,6 @@
       ../../modules/cpu/intel.nix
       ../../modules/gpu/amd.nix
       ../../modules/libvirt.nix
-      ../../modules/ssd.nix
       ../../modules
       ../../profiles/dev.nix
       ../../users/simon
@@ -16,6 +15,7 @@
   sbruder = {
     gui = true;
     restic.enable = true;
+    ssd.enable = true;
     wireguard.home = {
       enable = true;
       address = "10.80.0.5";

modules/default.nix

@@ -22,6 +22,7 @@
     ./prometheus/node_exporter.nix
     ./pulseaudio.nix
     ./restic.nix
+    ./ssd.nix
     ./ssh.nix
     ./sway.nix
     ./tools.nix

modules/ssd.nix

@@ -1,4 +1,32 @@
+{ config, lib, ... }:
+let
+  cfg = config.sbruder.ssd;
+in
 {
-  fileSystems."/".options = [ "noatime" "nodiratime" "discard" ];
+  options.sbruder.ssd = {
+    enable = lib.mkEnableOption "ssd optimisations";
+    fileSystems = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      default = [ "/" ];
+      description = "List of file systems to apply optimisations to";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    fileSystems = builtins.listToAttrs
+      (builtins.map
+        (fs: {
+          name = fs;
+          value = {
+            options = [
+              "discard"
+              "noatime"
+              "nodiratime"
+            ];
+          };
+        })
+        cfg.fileSystems);
+
     services.fstrim.enable = true;
+  };
 }