The quilt patch titled
Subject: mm: document /sys/class/bdi/<bdi>/strict_limit knob
has been removed from the -mm tree. Its filename was
mm-document-sys-class-bdi-bdi-strict_limit-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
------------------------------------------------------
From: Stefan Roesch <shr@xxxxxxxxxxxx>
Subject: mm: document /sys/class/bdi/<bdi>/strict_limit knob
Date: Fri, 18 Nov 2022 16:51:58 -0800
This documents the new /sys/class/bdi/<bdi>/strict_limit knob.
Link: https://lkml.kernel.org/r/20221119005215.3052436-4-shr@xxxxxxxxxxxx
Signed-off-by: Stefan Roesch <shr@xxxxxxxxxxxx>
Cc: Chris Mason <clm@xxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/ABI/testing/sysfs-class-bdi | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/Documentation/ABI/testing/sysfs-class-bdi~mm-document-sys-class-bdi-bdi-strict_limit-knob
+++ a/Documentation/ABI/testing/sysfs-class-bdi
@@ -56,6 +56,17 @@ Description:
be trusted to play fair.
(read-write)
+What: /sys/class/bdi/<bdi>/strict_limit
+Date: October 2022
+Contact: Stefan Roesch <shr@xxxxxxxxxxxx>
+Description:
+ Forces per-BDI checks for the share of given device in the write-back
+ cache even before the global background dirty limit is reached. This
+ is useful in situations where the global limit is much higher than
+ affordable for given relatively slow (or untrusted) device. Turning
+ strictlimit on has no visible effect if max_ratio is equal to 100%.
+
+ (read-write)
What: /sys/class/bdi/<bdi>/stable_pages_required
Date: January 2008
Contact: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
_
Patches currently in -mm which might be from shr@xxxxxxxxxxxx are
