impermanence

modules/system/disko-btrfs.nix

@@ -27,6 +27,7 @@
             content = {
               type = "btrfs";
               extraArgs = [ "-f" ];
+              label = "nixos";
               subvolumes = {
                 root = {
                   mountpoint = "/";
@@ -48,6 +49,13 @@
                     "compress=zstd"
                   ];
                 };
+
+                persist = {
+                  mountpoint = "/persist";
+                  mountOptions = [
+                    "compress=zstd"
+                  ];
+                };
               };
             };
           };