From 6c80d9907bf8eb4bc7a5de02489d6f24eb79f29f Mon Sep 17 00:00:00 2001
From: Ryan Yin <xiaoyin_c@qq.com>
Date: Tue, 6 Feb 2024 23:44:30 +0800
Subject: [PATCH] feat: luks - disable workqueue for increased SSD performance

---
 hosts/12kingdoms_shoukei/hardware-configuration.nix | 5 +++++
 hosts/idols_ai/hardware-configuration.nix           | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/hosts/12kingdoms_shoukei/hardware-configuration.nix b/hosts/12kingdoms_shoukei/hardware-configuration.nix
index 18ccd804..db30eb96 100644
--- a/hosts/12kingdoms_shoukei/hardware-configuration.nix
+++ b/hosts/12kingdoms_shoukei/hardware-configuration.nix
@@ -53,6 +53,11 @@
       # whether to allow TRIM requests to the underlying device.
       # it's less secure, but faster.
       allowDiscards = true;
+      # Whether to bypass dm-crypt’s internal read and write workqueues. 
+      # Enabling this should improve performance on SSDs; 
+      # https://wiki.archlinux.org/index.php/Dm-crypt/Specialties#Disable_workqueue_for_increased_solid_state_drive_(SSD)_performance
+      bypassWorkqueues = true;
+
     };
   };
 
diff --git a/hosts/idols_ai/hardware-configuration.nix b/hosts/idols_ai/hardware-configuration.nix
index 584acc5e..e7cdc8f7 100644
--- a/hosts/idols_ai/hardware-configuration.nix
+++ b/hosts/idols_ai/hardware-configuration.nix
@@ -56,6 +56,10 @@
       # whether to allow TRIM requests to the underlying device.
       # it's less secure, but faster.
       allowDiscards = true;
+      # Whether to bypass dm-crypt’s internal read and write workqueues. 
+      # Enabling this should improve performance on SSDs; 
+      # https://wiki.archlinux.org/index.php/Dm-crypt/Specialties#Disable_workqueue_for_increased_solid_state_drive_(SSD)_performance
+      bypassWorkqueues = true;
     };
   };