f2fs: introduce raw_nat_from_node_info() to simplfy codes

This patch introduce raw_nat_from_node_info() to simplfy some codes, and also
use exist function node_info_from_raw_nat() to do the same job.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 5decc1a..41bb65b 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -75,6 +75,14 @@
 	ni->version = raw_ne->version;
 }
 
+static inline void raw_nat_from_node_info(struct f2fs_nat_entry *raw_ne,
+						struct node_info *ni)
+{
+	raw_ne->ino = cpu_to_le32(ni->ino);
+	raw_ne->block_addr = cpu_to_le32(ni->blk_addr);
+	raw_ne->version = ni->version;
+}
+
 enum nid_type {
 	FREE_NIDS,	/* indicates the free nid list */
 	NAT_ENTRIES	/* indicates the cached nat entry */