41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
From e0af3560ca9b1515e0680919733a09914d3325ab Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Wed, 14 Aug 2019 15:57:42 +0200
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Subject: [PATCH] udev: use bfq as the default scheduler
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As requested in https://bugzilla.redhat.com/show_bug.cgi?id=1738828.
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Test results are that bfq seems to behave better and more consistently on
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typical hardware. The kernel does not have a configuration option to set
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the default scheduler, and it currently needs to be set by userspace.
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See the bug for more discussion and links.
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---
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rules.d/60-block-scheduler.rules | 5 +++++
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rules.d/meson.build | 1 +
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2 files changed, 6 insertions(+)
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create mode 100644 rules.d/60-block-scheduler.rules
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diff --git a/rules.d/60-block-scheduler.rules b/rules.d/60-block-scheduler.rules
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new file mode 100644
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index 0000000000..480b941761
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--- /dev/null
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+++ b/rules.d/60-block-scheduler.rules
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@@ -0,0 +1,5 @@
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+# do not edit this file, it will be overwritten on update
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+
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+ACTION=="add", SUBSYSTEM=="block", \
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+ KERNEL=="mmcblk*[0-9]|msblk*[0-9]|mspblk*[0-9]|sd*[!0-9]|sr*", \
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+ ATTR{queue/scheduler}="bfq"
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diff --git a/rules.d/meson.build b/rules.d/meson.build
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index e6533e001a..bfa26904d0 100644
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--- a/rules.d/meson.build
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+++ b/rules.d/meson.build
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@@ -7,6 +7,7 @@ install_data(
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rules = files(
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'60-autosuspend.rules',
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'60-block.rules',
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+ '60-block-scheduler.rules',
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'60-cdrom_id.rules',
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'60-drm.rules',
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'60-evdev.rules',
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