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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-12-19 17:44:41 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-12-23 10:18:07 +0900 |
| commit | ba0697ec98f0244ea180ce336f399d1a24eb7bf8 (patch) | |
| tree | ec801b706b171f164266c72592e718ab40482822 /Documentation/filesystems | |
| parent | 5459aa9770fe2e8c6a660a0985ea454c42cfd8c1 (diff) | |
f2fs: add description about small_discards in document
This patch adds a description about small_disacrds in the f2fs document.
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 1a94ac7fee86..02357e35d4f6 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -171,6 +171,12 @@ Files in /sys/fs/f2fs/<devname> conduct checkpoint to reclaim the prefree segments to free segments. By default, 100 segments, 200MB. + max_small_discards This parameter controls the number of discard + commands that consist small blocks less than 2MB. + The candidates to be discarded are cached until + checkpoint is triggered, and issued during the + checkpoint. By default, it is disabled with 0. + ipu_policy This parameter controls the policy of in-place updates in f2fs. There are five policies: 0: F2FS_IPU_FORCE, 1: F2FS_IPU_SSR, |