f2fs: introduce help function F2FS_NODE()

Introduce help function F2FS_NODE() to simplify the conversion of node_page to
f2fs_node.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 035f9a345cdf..c73c394c3d8c 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -39,7 +39,7 @@ static void __set_data_blkaddr(struct dnode_of_data *dn, block_t new_addr)
 
         wait_on_page_writeback(node_page);
 
-        rn = (struct f2fs_node *)page_address(node_page);
+        rn = F2FS_NODE(node_page);
 
         /* Get physical address of data block */
         addr_array = blkaddr_in_node(rn);