From ef1b7f8fc11b9f3bbfa2bdf0eabb748b3c75575a Mon Sep 17 00:00:00 2001
From: Sunderland93 <samoilov.lex@gmail.com>
Date: Sun, 14 May 2023 17:37:12 +0400
Subject: [PATCH] Add IO tweaks rules

---
 etc/udev/rules.d/80-io-tweaks.rules | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 etc/udev/rules.d/80-io-tweaks.rules

diff --git a/etc/udev/rules.d/80-io-tweaks.rules b/etc/udev/rules.d/80-io-tweaks.rules
new file mode 100644
index 0000000..ad38bb6
--- /dev/null
+++ b/etc/udev/rules.d/80-io-tweaks.rules
@@ -0,0 +1,7 @@
+# Improving priorities in the mq-deadline scheduler
+ACTION=="add|change", ATTR{queue/scheduler}=="mq-deadline", ATTR{queue/iosched/writes_starved}="1"
+ACTION=="add|change", ATTR{queue/scheduler}=="mq-deadline", ATTR{queue/iosched/write_expire}="1000"
+ACTION=="add|change", ATTR{queue/scheduler}=="mq-deadline", ATTR{queue/iosched/front_merges}="0"
+# Forced I/O multithreading
+ACTION=="add|change", SUBSYSTEM=="block", ATTR{queue/rq_affinity}="1"
+ACTION=="add|change", SUBSYSTEM=="block", ATTR{queue/iosched/fifo_batch}=="32"