f2fs: add missing sysfs description

There are some missing sysfs entries' description in document, add them.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 7562b0d42105ecb41f5af57be0de867abdd6db2e..fc1dff659df44e5816133c660c0ce383b3fcaf56 100644 (file)
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -51,6 +51,12 @@ Description:
                 Controls the dirty page count condition for the in-place-update
                 policies.
 
+What:          /sys/fs/f2fs/<disk>/min_hot_blocks
+Date:          March 2017
+Contact:       "Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:
+                Controls the dirty page count condition for redefining hot data.
+
 What:          /sys/fs/f2fs/<disk>/max_small_discards
 Date:          November 2013
 Contact:       "Jaegeuk Kim" <jaegeuk.kim@samsung.com>
@@ -102,6 +108,12 @@ Contact:   "Jaegeuk Kim" <jaegeuk@kernel.org>
 Description:
                 Controls the idle timing.
 
+What:          /sys/fs/f2fs/<disk>/iostat_enable
+Date:          August 2017
+Contact:       "Chao Yu" <yuchao0@huawei.com>
+Description:
+                Controls to enable/disable IO stat.
+
 What:          /sys/fs/f2fs/<disk>/ra_nid_pages
 Date:          October 2015
 Contact:       "Chao Yu" <chao2.yu@samsung.com>
@@ -122,6 +134,12 @@ Contact:   "Shuoran Liu" <liushuoran@huawei.com>
 Description:
                 Shows total written kbytes issued to disk.
 
+What:          /sys/fs/f2fs/<disk>/feature
+Date:          July 2017
+Contact:       "Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:
+                Shows all enabled features in current device.
+
 What:          /sys/fs/f2fs/<disk>/inject_rate
 Date:          May 2016
 Contact:       "Sheng Yong" <shengyong1@huawei.com>