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| author | Jaegeuk Kim | 2014-01-09 13:00:06 +0100 |
|---|---|---|
| committer | Jaegeuk Kim | 2014-01-09 13:00:06 +0100 |
| commit | 3bac380c901206bccba1f5b108c1c8382ab21a16 (patch) | |
| tree | 939e7543568169fd536a402b792628d588f91fe7 | |
| parent | f2fs: add a sysfs entry to control max_victim_search (diff) | |
| download | kernel-qcow2-linux-3bac380c901206bccba1f5b108c1c8382ab21a16.tar.gz kernel-qcow2-linux-3bac380c901206bccba1f5b108c1c8382ab21a16.tar.xz kernel-qcow2-linux-3bac380c901206bccba1f5b108c1c8382ab21a16.zip | |
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>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 31 | ||||
| -rw-r--r-- | Documentation/filesystems/f2fs.txt | 5 | ||||
| -rw-r--r-- | MAINTAINERS | 1 |
3 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 31942efcaf0e..32b0809203dd 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -24,3 +24,34 @@ Date: July 2013 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 998e698cf455..b8d284975f0f 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -190,6 +190,11 @@ Files in /sys/fs/f2fs/<devname> 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 d5e4ff328cc7..bd58e8e81649 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3629,6 +3629,7 @@ W: http://en.wikipedia.org/wiki/F2FS 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 |