f2fs: no need to read nat block if nat_block_bitmap is set

No need to read nat block if nat_block_bitmap is set.

Signed-off-by: Yunlei He <heyunlei@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yunlei He 2017-11-17 16:13:38 +08:00 • committed by Jaegeuk Kim
commit 66e8336137