nixos/lock-kernel-modules: fix deferred fileSystem mounts

Ensure that modules required by all declared fileSystems are explicitly
loaded. A little ugly but fixes the deferred mount test.

See also https://github.com/NixOS/nixpkgs/issues/29019

Changed files
+8
nixos
modules
+8
nixos/modules/security/lock-kernel-modules.nix
···
};
config = mkIf config.security.lockKernelModules {
+
boot.kernelModules = concatMap (x:
+
if x.device != null
+
then
+
if x.fsType == "vfat"
+
then [ "vfat" "nls-cp437" "nls-iso8859-1" ]
+
else [ x.fsType ]
+
else []) config.system.build.fileSystems;
+
systemd.services.disable-kernel-module-loading = rec {
description = "Disable kernel module loading";