From bd0539cb2086b948cb57cb2e9876efff3e47bfb8 Mon Sep 17 00:00:00 2001
From: ajs124 <git@ajs124.de>
Date: Thu, 18 Jul 2024 09:14:21 +0200
Subject: [PATCH] nixos/tasks/lvm: assert kernel version for vdo

---
 nixos/modules/tasks/lvm.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nixos/modules/tasks/lvm.nix b/nixos/modules/tasks/lvm.nix
index 6748f023ec4c..0b628725969a 100644
--- a/nixos/modules/tasks/lvm.nix
+++ b/nixos/modules/tasks/lvm.nix
@@ -87,6 +87,11 @@ in {
       environment.systemPackages = [ pkgs.thin-provisioning-tools ];
     })
     (mkIf cfg.boot.vdo.enable {
+      assertions = [{
+        assertion = lib.versionAtLeast config.boot.kernelPackages.kernel.version "6.9";
+        message = "boot.vdo.enable requires at least kernel version 6.9";
+      }];
+
       boot = {
         initrd = {
           kernelModules = [ "dm-vdo" ];