38 lines
1012 B
Diff
38 lines
1012 B
Diff
From 208f2c37cff2a2bde18adcdd79274254e03fac8d Mon Sep 17 00:00:00 2001
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From: "Jan Alexander Steffens (heftig)" <jan.steffens@gmail.com>
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Date: Mon, 27 Jan 2020 18:11:05 +0100
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Subject: ZEN: INTERACTIVE: Use BFQ as the elevator for SQ devices
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---
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block/elevator.c | 4 ++++
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init/Kconfig | 4 ++++
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2 files changed, 8 insertions(+)
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--- a/block/elevator.c
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+++ b/block/elevator.c
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@@ -740,7 +740,11 @@ void elv_update_nr_hw_queues(struct requ
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void elevator_set_default(struct request_queue *q)
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{
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struct elv_change_ctx ctx = {
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+#if defined(CONFIG_ZEN_INTERACTIVE) && defined(CONFIG_IOSCHED_BFQ)
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+ .name = "bfq",
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+#else
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.name = "mq-deadline",
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+#endif
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.no_uevent = true,
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};
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int err;
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--- a/init/Kconfig
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+++ b/init/Kconfig
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@@ -173,6 +173,10 @@ config ZEN_INTERACTIVE
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help
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Tunes the kernel for responsiveness at the cost of throughput and power usage.
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+ --- Block Layer ----------------------------------------
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+
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+ Default scheduler for SQ..: mq-deadline -> bfq
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+
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config BROKEN
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bool
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