f2fs: skip new checkpoint when doing fstrim without fs change

This patch enables to do fstrim without checkpoint, if there is no fs
change.

Signed-off-by: Yunlei He <heyunlei@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yunlei He 2016-08-18 21:01:19 +08:00 • committed by Jaegeuk Kim
commit 58cce381fa