From de5ffae0005076e9db33d62042de733cd5cf34d6 Mon Sep 17 00:00:00 2001
From: Alan Pearce
Date: Mon, 30 Sep 2019 16:29:38 +0200
Subject: T470s: ensure TLP doesn't change I/O scheduler

---
 modules/machines/t470s.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/machines/t470s.nix b/modules/machines/t470s.nix
index b03a53ea..4ee6c2ac 100644
--- a/modules/machines/t470s.nix
+++ b/modules/machines/t470s.nix
@@ -35,6 +35,11 @@
     load-module module-alsa-sink device=hw:0,7
   '';
 
+  services.tlp.extraConfig = ''
+    DISK_DEVICES="nvme0n1"
+    DISK_IOSCHED="keep"
+  '';
+
   services.xserver = {
     dpi = 109;
     monitorSection = ''
-- 
cgit 1.4.1