cachefilesd added for nfs caching

nfs-mount.nix

@@ -1,12 +1,16 @@
 { config, pkgs, ... }: {
-
-  # Add ZFS and NFS support to the initramfs so it can be mounted at boot.
+  # Add NFS support to the initramfs so it can be mounted at boot.
   boot.supportedFilesystems = [ "nfs" ];
   
+  services.cachefilesd = {
+    enable = true;
+    cacheDir = "/data/cache";
+  };
+
   systemd.mounts = [{
     type = "nfs";
     mountConfig = {
-      Options = "noatime";
+      Options = "noatime,fsc";
     };
     what = "${config.vars.nfs_server}:${config.vars.nfs_volume}";
     where = config.vars.nfs_mount;
@@ -20,4 +24,4 @@
     where = config.vars.nfs_mount;
 
   }];
-}
+}