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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-10-24 10:49:07 +0400 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-10-25 11:54:39 +0400 |
| commit | ea91e9b043057d29e092dd4d0a13cd79b78fb5b5 (patch) | |
| tree | 7c1fd29422b30d5b60380a9e3b8c86e9b98edf1a /Documentation/filesystems | |
| parent | 4660f9c0fe484353b17a4b9d1cc2b036fa895f76 (diff) | |
| download | linux-ea91e9b043057d29e092dd4d0a13cd79b78fb5b5.tar.xz | |
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/filesystems')
| -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 3cd27bed6349..4c647c280dcc 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 ================================================================================ |