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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-10-24 15:49:07 +0900 |
|---|---|---|
| committer | Ziyan <jaraidaniel@gmail.com> | 2015-05-02 14:35:19 +0200 |
| commit | b4414aaaadcc6cdd69b2dfd5dd3f60b397a2c94e (patch) | |
| tree | 95a750019e440a339792832e39881dd1df686921 /Documentation | |
| parent | a160a14f0e4367110d3360d607b181e88f76e793 (diff) | |
| download | kernel_samsung_tuna-b4414aaaadcc6cdd69b2dfd5dd3f60b397a2c94e.zip kernel_samsung_tuna-b4414aaaadcc6cdd69b2dfd5dd3f60b397a2c94e.tar.gz kernel_samsung_tuna-b4414aaaadcc6cdd69b2dfd5dd3f60b397a2c94e.tar.bz2 | |
f2fs: add reclaiming control by sysfs
This patch adds a control method in sysfs to reclaim prefree segments.
Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/f2fs.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index 3cd27be..4c647c2 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -164,6 +164,12 @@ Files in /sys/fs/f2fs/<devname> gc_idle = 1 will select the Cost Benefit approach & setting gc_idle = 2 will select the greedy aproach. + reclaim_segments This parameter controls the number of prefree + segments to be reclaimed. If the number of prefree + segments is larger than this number, f2fs tries to + conduct checkpoint to reclaim the prefree segments + to free segments. By default, 100 segments, 200MB. + ================================================================================ USAGE ================================================================================ |