f2fs: add nobarrier mount option
authorJaegeuk Kim <jaegeuk@kernel.org>
Wed, 23 Jul 2014 16:57:31 +0000 (09:57 -0700)
committerJaegeuk Kim <jaegeuk@kernel.org>
Tue, 29 Jul 2014 12:27:48 +0000 (05:27 -0700)
commit0f7b2abd188089a44f60e2bf8521d1363ada9e12
treeb03702e8aadcf265bb796c3ec31413ea081fb136
parent9d847950770da7102d4efc02d0939ce28e3a7dd0
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>
Documentation/filesystems/f2fs.txt
fs/f2fs/data.c
fs/f2fs/f2fs.h
fs/f2fs/segment.c
fs/f2fs/super.c