feat(orchid): root on virtiofs

machines/kat-orchid/disks.nix

@@ -9,28 +9,21 @@
           partitions = {
             ESP = {
               type = "EF00";
-              size = "100M";
+              size = "100%";
               content = {
                 type = "filesystem";
                 format = "vfat";
                 mountpoint = "/boot";
               };
             };
-            root = {
-              size = "100%";
-              content = {
-                type = "filesystem";
-                format = "bcachefs";
-                mountpoint = "/";
-                mountOptions = [
-                  "fsck"
-                  "fix_errors"
-                ];
-              };
-            };
           };
         };
       };
     };
   };
+  boot.initrd.kernelModules = [ "virtiofs" ];
+  fileSystems."/" = {
+    device = "root";
+    fsType = "virtiofs";
+  };
 }