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Message-ID: <20170612014427.40692-2-yuchao0@huawei.com>
Date: Mon, 12 Jun 2017 09:44:25 +0800
From: Chao Yu <yuchao0@...wei.com>
To: <jaegeuk@...nel.org>
CC: <linux-f2fs-devel@...ts.sourceforge.net>,
<linux-kernel@...r.kernel.org>, <chao@...nel.org>,
Chao Yu <yuchao0@...wei.com>
Subject: [PATCH 2/4] f2fs: fix to document fault injection option and sysfs file
Commit 73faec4d9935 ("f2fs: add mount option to select fault injection
ratio") and Commit 087968974fcd ("f2fs: add fault injection to sysfs")
forget to document mount option and sysfs file.
This patch fixes to document them.
Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
Documentation/ABI/testing/sysfs-fs-f2fs | 12 ++++++++++++
Documentation/filesystems/f2fs.txt | 2 ++
2 files changed, 14 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index a809f6005f14..ae59451865a6 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -112,3 +112,15 @@ Date: January 2016
Contact: "Shuoran Liu" <liushuoran@...wei.com>
Description:
Shows total written kbytes issued to disk.
+
+What: /sys/fs/f2fs/<disk>/injection_rate
+Date: May 2016
+Contact: "Sheng Yong" <shengyong1@...wei.com>
+Description:
+ Contrils the injection rate.
+
+What: /sys/fs/f2fs/<disk>/injection_type
+Date: May 2016
+Contact: "Sheng Yong" <shengyong1@...wei.com>
+Description:
+ Contrils the injection type.
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 4f6531a4701b..8b04a6359530 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -155,6 +155,8 @@ noinline_data Disable the inline data feature, inline data feature is
enabled by default.
data_flush Enable data flushing before checkpoint in order to
persist data of regular and symlink.
+fault_injection=%d Enable fault injection in all supported types with
+ specified injection rate.
mode=%s Control block allocation mode which supports "adaptive"
and "lfs". In "lfs" mode, there should be no random
writes towards main area.
--
2.13.1.388.g69e6b9b4f4a9
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