f2fs: fix omitting to update inode page

The f2fs_set_link updates its parent inode number, so we should sync this to
the inode block.
Otherwise, the data can be lost after sudden-power-off.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 4e475181280c..7e43f6829afd 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -447,6 +447,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
                 else
                         release_orphan_inode(sbi);
 
+                update_inode_page(old_inode);
                 update_inode_page(new_inode);
         } else {
                 err = f2fs_add_link(new_dentry, old_inode);