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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-07-23 09:57:31 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-07-29 05:27:48 -0700 |
| commit | 0f7b2abd188089a44f60e2bf8521d1363ada9e12 (patch) | |
| tree | b03702e8aadcf265bb796c3ec31413ea081fb136 /Documentation/filesystems | |
| parent | 9d847950770da7102d4efc02d0939ce28e3a7dd0 (diff) | |
| download | op-kernel-dev-0f7b2abd188089a44f60e2bf8521d1363ada9e12.zip op-kernel-dev-0f7b2abd188089a44f60e2bf8521d1363ada9e12.tar.gz | |
f2fs: add nobarrier mount option
This patch adds a mount option, nobarrier, in f2fs.
The assumption in here is that file system keeps the IO ordering, but
doesn't care about cache flushes inside the storages.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/f2fs.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index 51afba1..a2046a7 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -126,6 +126,11 @@ flush_merge Merge concurrent cache_flush commands as much as possible to eliminate redundant command issues. If the underlying device handles the cache_flush command relatively slowly, recommend to enable this option. +nobarrier This option can be used if underlying storage guarantees + its cached data should be written to the novolatile area. + If this option is set, no cache_flush commands are issued + but f2fs still guarantees the write ordering of all the + data writes. ================================================================================ DEBUGFS ENTRIES |
