Because we will write node summaries when do_checkpoint with umount flag,
our number of max orphan blocks should minus NR_CURSEG_NODE_TYPE additional.
Signed-off-by: NChao Yu <chao2.yu@samsung.com>
Signed-off-by: NShu Tan <shu.tan@samsung.com>
Signed-off-by: NJaegeuk Kim <jaegeuk.kim@samsung.com>