f2fs: don't grab super block buffer header all the time
authorChao Yu <chao2.yu@samsung.com>
Tue, 15 Dec 2015 09:19:26 +0000 (17:19 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Wed, 16 Dec 2015 16:58:06 +0000 (08:58 -0800)
commite8240f656d4d5d718ce8cf6b4ea266d6719ef547
tree549a1fef4054135862d7ee7dd26ef74af0f173f7
parentb39f0de23d8f22253d441b3b68414e9a1d027cf6
f2fs: don't grab super block buffer header all the time

We have already got one copy of valid super block in memory, do not grab
buffer header of super block all the time.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/f2fs.h
fs/f2fs/file.c
fs/f2fs/super.c