f2fs: avoid to set wrong pino of inode when rename dir

When we rename a dir to new name which is not exist previous,
we will set pino of parent inode with ino of child inode in f2fs_set_link.
It destroy consistency of pino, it should be fixed.

Thanks for previous work of Shu Tan.

Signed-off-by: Shu Tan <shu.tan@samsung.com>
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 575adac17f8b..a68838dae335 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -424,6 +424,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
                 }
 
                 f2fs_set_link(new_dir, new_entry, new_page, old_inode);
+                F2FS_I(old_inode)->i_pino = new_dir->i_ino;
 
                 new_inode->i_ctime = CURRENT_TIME;
                 if (old_dir_entry)
@@ -457,6 +458,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
                 if (old_dir != new_dir) {
                         f2fs_set_link(old_inode, old_dir_entry,
                                                 old_dir_page, new_dir);
+                        F2FS_I(old_inode)->i_pino = new_dir->i_ino;
                 } else {
                         kunmap(old_dir_page);
                         f2fs_put_page(old_dir_page, 0);