mm-document-sys-class-bdi-bdi-min_ratio_fine-knob.patch removed from -mm tree
The quilt patch titled
Subject: mm: document /sys/class/bdi/<bdi>/min_ratio_fine knob
has been removed from the -mm tree. Its filename was
mm-document-sys-class-bdi-bdi-min_ratio_fine-knob.patch
This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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From: Stefan Roesch <[email protected]>
Subject: mm: document /sys/class/bdi/<bdi>/min_ratio_fine knob
Date: Fri, 18 Nov 2022 16:52:15 -0800
This documents the new /sys/class/bdi/<bdi>/max_ratio_fine knob.
[[email protected]: fix htmldocs warnings]
Signed-off-by Stefan Roesch <[email protected]>
Cc Chris Mason <[email protected]>
Cc Jens Axboe <[email protected]>
Signed-off-by Andrew Morton <[email protected]>
---
Documentation/ABI/testing/sysfs-class-bdi | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
Documentation/ABI/testing/sysfs-class-bdi renamed from Documentation/ABI/testing/sysfs-class-bdi~mm-document-sys-class-bdi-bdi-min_ratio_fine-knob +15 -0
@@ -44,6 +44,21 @@ Description: (read-write) +What: /sys/class/bdi/<bdi>/min_ratio_fine +Date: November 2022 +Contact: Stefan Roesch <[email protected]> +Description: + Under normal circumstances each device is given a part of the + total write-back cache that relates to its current average + writeout speed in relation to the other devices. + + The 'min_ratio_fine' parameter allows assigning a minimum reserve + of the write-back cache to a particular device. The value is + expressed as part of 1 million. For example, this is useful for + providing a minimum QoS. + + (read-write) + What: /sys/class/bdi/<bdi>/max_ratio Date: January 2008 Contact: Peter Zijlstra <[email protected]>
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Patches currently in -mm which might be from [email protected] are