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Message-Id: <77e5904dfd275ed2670cd13779e5ef1da96e355c.1632750608.git.mchehab+huawei@kernel.org>
Date: Mon, 27 Sep 2021 15:59:44 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
"Jonathan Corbet" <corbet@....net>,
Cezary Rojewski <cezary.rojewski@...el.com>,
Oded Gabbay <oded.gabbay@...il.com>,
Suzuki K Poulose <suzuki.poulose@....com>,
Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 11/17] ABI: sysfs-class-bdi: use What: to describe each property
Instead of listing all bdi entries inside the description, add
one entry for each, just like the remaining ABI files.
That allows get_abi.pl script to properly parse it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
See [PATCH 00/17] at: https://lore.kernel.org/all/cover.1632750608.git.mchehab+huawei@kernel.org/
Documentation/ABI/testing/sysfs-class-bdi | 30 ++++++++++++++++-------
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-class-bdi b/Documentation/ABI/testing/sysfs-class-bdi
index 5402bd74ba43..6d2a2fc189dd 100644
--- a/Documentation/ABI/testing/sysfs-class-bdi
+++ b/Documentation/ABI/testing/sysfs-class-bdi
@@ -23,14 +23,17 @@ default
The default backing dev, used for non-block device backed
filesystems which do not provide their own BDI.
-Files under /sys/class/bdi/<bdi>/
-
-read_ahead_kb (read-write)
-
+What: /sys/class/bdi/<bdi>/read_ahead_kb
+Date: January 2008
+Contact: Peter Zijlstra <a.p.zijlstra@...llo.nl>
+Description:
Size of the read-ahead window in kilobytes
-min_ratio (read-write)
-
+ (read-write)
+What: /sys/class/bdi/<bdi>/min_ratio
+Date: January 2008
+Contact: Peter Zijlstra <a.p.zijlstra@...llo.nl>
+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.
@@ -39,8 +42,12 @@ min_ratio (read-write)
percentage of the write-back cache to a particular device.
For example, this is useful for providing a minimum QoS.
-max_ratio (read-write)
+ (read-write)
+What: /sys/class/bdi/<bdi>/max_ratio
+Date: January 2008
+Contact: Peter Zijlstra <a.p.zijlstra@...llo.nl>
+Description:
Allows limiting a particular device to use not more than the
given percentage of the write-back cache. This is useful in
situations where we want to avoid one device taking all or
@@ -48,7 +55,12 @@ max_ratio (read-write)
mount that is prone to get stuck, or a FUSE mount which cannot
be trusted to play fair.
-stable_pages_required (read-only)
-
+ (read-write)
+What: /sys/class/bdi/<bdi>/stable_pages_required
+Date: January 2008
+Contact: Peter Zijlstra <a.p.zijlstra@...llo.nl>
+Description:
If set, the backing device requires that all pages comprising a write
request must not be changed until writeout is complete.
+
+ (read-only)
--
2.31.1
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