f2fs: avoid unnecessary checkpoints

During the f2fs_put_super procedure, we don't need to conduct checkpoint all
the time, since we don't need to do that if superblock is clean.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2013-10-08 09:30:33 +09:00
commit 5887d291d7