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f2fs: fix to document fault injection option and sysfs file

PATCH New Chao Yu 1 participant 1 message Jun 12, 2017

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Documentation F2FS file system
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Chao Yu

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PATCH v3 2/4 f2fs: fix to document fault injection option and sysfs file

From: Chao Yu <[email protected]>

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 <[email protected]>
Signed-off-by Jaegeuk Kim <[email protected]>

---
v3: fix typo.

 Documentation/ABI/testing/sysfs-fs-f2fs | 12 ++++++++++++
 Documentation/filesystems/f2fs.txt      |  2 ++
 2 files changed, 14 insertions(+)
Documentation/ABI/testing/sysfs-fs-f2fs +12 -0
index a809f6005f14..994c88ca01d2 100644
@@ -112,3 +112,15 @@ Date:		January 2016
 Contact:	"Shuoran Liu" <[email protected]>
 Description:
 		 Shows total written kbytes issued to disk.
+
+What:		/sys/fs/f2fs/<disk>/inject_rate
+Date:		May 2016
+Contact:	"Sheng Yong" <[email protected]>
+Description:
+		 Controls the injection rate.
+
+What:		/sys/fs/f2fs/<disk>/inject_type
+Date:		May 2016
+Contact:	"Sheng Yong" <[email protected]>
+Description:
+		 Controls the injection type.
Documentation/filesystems/f2fs.txt +2 -0
index 4f6531a4701b..8b04a6359530 100644
@@ -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.
Signature · 1 line
2.13.0.90.g1eb437020