diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-02-18 08:50:49 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-04-08 03:51:03 -0700 |
| commit | 0ffdffc8f106628a4c6bc3eed2eb3cf88393d2f3 (patch) | |
| tree | 92b310b49eaa640973fa3a90c0a45a6ca9b62525 /Documentation | |
| parent | b7982989124958d1ad880bae0b5169e6eaa00421 (diff) | |
f2fs: add mount option for segment allocation policy
This patch adds an mount option, "alloc_mode=%s" having two options, "default"
and "reuse".
In "alloc_mode=reuse" case, f2fs starts to allocate segments from 0'th segment
all the time to reassign segments. It'd be useful for small-sized eMMC parts.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/f2fs.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index 6cf9ad12c57f..579c1119131d 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -172,6 +172,14 @@ offgrpjquota Turn off group journelled quota. offprjjquota Turn off project journelled quota. quota Enable plain user disk quota accounting. noquota Disable all plain disk quota option. +whint_mode=%s Control which write hints are passed down to block + layer. This supports "off", "user-based", and + "fs-based". In "off" mode (default), f2fs does not pass + down hints. In "user-based" mode, f2fs tries to pass + down hints given by users. And in "fs-based" mode, f2fs + passes down hints with its policy. +alloc_mode=%s Adjust block allocation policy, which supports "reuse" + and "default". ================================================================================ DEBUGFS ENTRIES |