f2fs: add the flush_merge handle in the remount flow
authorGu Zheng <guz.fnst@cn.fujitsu.com>
Fri, 11 Apr 2014 09:50:00 +0000 (17:50 +0800)
committerJaegeuk Kim <jaegeuk.kim@samsung.com>
Wed, 7 May 2014 01:21:55 +0000 (10:21 +0900)
commit876dc59eb1f0131c092803d0d206d47dd0119dfe
treeaab91a229ed656fa30000c5112b52206cc69cfbe
parent8abfb36ab396377ea712cd640c525fd5535d1dc9
f2fs: add the flush_merge handle in the remount flow

Add the *remount* handle of flush_merge option, so that the users
can enable flush_merge in the runtime, such as the underlying device
handles the cache_flush command relatively slowly.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
fs/f2fs/f2fs.h
fs/f2fs/segment.c
fs/f2fs/super.c