From ea849cf36cfa1f3d17f7d82a02fea9d0dd4cf981 Mon Sep 17 00:00:00 2001
From: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Sat, 30 Dec 2023 00:30:41 +0900
Subject: [PATCH] exfat: remove duplicate update parent dir

For renaming, the directory only needs to be updated once if it
is in the same directory.

Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
 namei.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/namei.c b/namei.c
index c425c3b..8647a57 100644
--- a/namei.c
+++ b/namei.c
@@ -1385,7 +1385,8 @@ static int exfat_rename(struct user_namespace *mnt_userns,
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(6, 6, 0)
 	old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir);
 #endif
-	mark_inode_dirty(old_dir);
+	if (new_dir != old_dir)
+		mark_inode_dirty(old_dir);
 
 	if (new_inode) {
 		exfat_unhash_inode(new_inode);