f2fs: update documents and a MAINTAINERS entry
This patch adds missing some description of sysfs entries in
- Documentation/ABI/testing/sysfs-fs-f2fs
- Documentation/filesystems/f2fs.txt.
And it adds a maintained document entry of F2FS in MAINTAINERS.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 31942ef..32b0809 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -24,3 +24,34 @@
Contact: "Namjae Jeon" <namjae.jeon@samsung.com>
Description:
Controls the victim selection policy for garbage collection.
+
+What: /sys/fs/f2fs/<disk>/reclaim_segments
+Date: October 2013
+Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com>
+Description:
+ Controls the issue rate of segment discard commands.
+
+What: /sys/fs/f2fs/<disk>/ipu_policy
+Date: November 2013
+Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com>
+Description:
+ Controls the in-place-update policy.
+
+What: /sys/fs/f2fs/<disk>/min_ipu_util
+Date: November 2013
+Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com>
+Description:
+ Controls the FS utilization condition for the in-place-update
+ policies.
+
+What: /sys/fs/f2fs/<disk>/max_small_discards
+Date: November 2013
+Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com>
+Description:
+ Controls the issue rate of small discard commands.
+
+What: /sys/fs/f2fs/<disk>/max_victim_search
+Date: January 2014
+Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com>
+Description:
+ Controls the number of trials to find a victim segment.
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 998e698..b8d2849 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -190,6 +190,11 @@
of the filesystem utilization, and used by
F2FS_IPU_UTIL and F2FS_IPU_SSR_UTIL policies.
+ max_victim_search This parameter controls the number of trials to
+ find a victim segment when conducting SSR and
+ cleaning operations. The default value is 4096
+ which covers 8GB block address range.
+
================================================================================
USAGE
================================================================================
diff --git a/MAINTAINERS b/MAINTAINERS
index d5e4ff3..bd58e8e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3629,6 +3629,7 @@
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git
S: Maintained
F: Documentation/filesystems/f2fs.txt
+F: Documentation/ABI/testing/sysfs-fs-f2fs
F: fs/f2fs/
F: include/linux/f2fs_fs.h
