In current version, @state will only be FREE_NID. This parameter
has no real effect so remove it to keep clean.
Signed-off-by: NLiu Song <liu.song11@zte.com.cn>
Reviewed-by: NChao Yu <yuchao0@huawei.com>
Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>