Merge tag 'docs-4.15-2' of git://git.lwn.net/linux

[sfrench/cifs-2.6.git] / Documentation / ABI / testing / sysfs-fs-f2fs

diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 11b7f4ebea7c4b6a04d2ce3894ff1a8d9907e60a..a7799c2fca2855eced4740cb6a82e5f26a448287 100644 (file)
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -51,6 +51,18 @@ 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>/min_ssr_sections
+Date:          October 2017
+Contact:       "Chao Yu" <yuchao0@huawei.com>
+Description:
+                Controls the fee section threshold to trigger SSR allocation.
+
 What:          /sys/fs/f2fs/<disk>/max_small_discards
 Date:          November 2013
 Contact:       "Jaegeuk Kim" <jaegeuk.kim@samsung.com>
@@ -102,6 +114,12 @@ 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 +140,12 @@ 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>
@@ -138,7 +162,18 @@ What:              /sys/fs/f2fs/<disk>/reserved_blocks
 Date:          June 2017
 Contact:       "Chao Yu" <yuchao0@huawei.com>
 Description:
-                Controls current reserved blocks in system.
+                Controls target reserved blocks in system, the threshold
+                is soft, it could exceed current available user space.
+
+What:          /sys/fs/f2fs/<disk>/current_reserved_blocks
+Date:          October 2017
+Contact:       "Yunlong Song" <yunlong.song@huawei.com>
+Contact:       "Chao Yu" <yuchao0@huawei.com>
+Description:
+                Shows current reserved blocks in system, it may be temporarily
+                smaller than target_reserved_blocks, but will gradually
+                increase to target_reserved_blocks when more free blocks are
+                freed by user later.
 
 What:          /sys/fs/f2fs/<disk>/gc_urgent
 Date:          August 2017