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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 /fs/f2fs/data.c | |
| 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 'fs/f2fs/data.c')
| -rw-r--r-- | fs/f2fs/data.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index c77c667..482313d 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -139,7 +139,10 @@ void f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, /* change META to META_FLUSH in the checkpoint procedure */ if (type >= META_FLUSH) { io->fio.type = META_FLUSH; - io->fio.rw = WRITE_FLUSH_FUA | REQ_META | REQ_PRIO; + if (test_opt(sbi, NOBARRIER)) + io->fio.rw = WRITE_FLUSH | REQ_META | REQ_PRIO; + else + io->fio.rw = WRITE_FLUSH_FUA | REQ_META | REQ_PRIO; } __submit_merged_bio(io); up_write(&io->io_rwsem); |
