linux-kernel - [PATCH v2 10/92] ubifs: convert to simple_rename

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Message-ID: <20230705190309.579783-8-jlayton@kernel.org>
Date:   Wed,  5 Jul 2023 15:00:35 -0400
From:   Jeff Layton <jlayton@...nel.org>
To:     Christian Brauner <brauner@...nel.org>,
        Richard Weinberger <richard@....at>
Cc:     Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org
Subject: [PATCH v2 10/92] ubifs: convert to simple_rename_timestamp

A rename potentially involves updating 4 different inode timestamps.
Convert to the new simple_rename_timestamp helper function.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
 fs/ubifs/dir.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index ef0499edc248..7ec25310bd8a 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1414,8 +1414,7 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry,
 	 * Like most other Unix systems, set the @i_ctime for inodes on a
 	 * rename.
 	 */
-	time = current_time(old_dir);
-	old_inode->i_ctime = time;
+	simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry);
 
 	/* We must adjust parent link count when renaming directories */
 	if (is_dir) {
@@ -1444,13 +1443,11 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 	old_dir->i_size -= old_sz;
 	ubifs_inode(old_dir)->ui_size = old_dir->i_size;
-	old_dir->i_mtime = old_dir->i_ctime = time;
-	new_dir->i_mtime = new_dir->i_ctime = time;
 
 	/*
 	 * And finally, if we unlinked a direntry which happened to have the
 	 * same name as the moved direntry, we have to decrement @i_nlink of
-	 * the unlinked inode and change its ctime.
+	 * the unlinked inode.
 	 */
 	if (unlink) {
 		/*
@@ -1462,7 +1459,6 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry,
 			clear_nlink(new_inode);
 		else
 			drop_nlink(new_inode);
-		new_inode->i_ctime = time;
 	} else {
 		new_dir->i_size += new_sz;
 		ubifs_inode(new_dir)->ui_size = new_dir->i_size;
@@ -1557,7 +1553,6 @@ static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry,
 	int sync = IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir);
 	struct inode *fst_inode = d_inode(old_dentry);
 	struct inode *snd_inode = d_inode(new_dentry);
-	struct timespec64 time;
 	int err;
 	struct fscrypt_name fst_nm, snd_nm;
 
@@ -1588,11 +1583,7 @@ static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry,
 
 	lock_4_inodes(old_dir, new_dir, NULL, NULL);
 
-	time = current_time(old_dir);
-	fst_inode->i_ctime = time;
-	snd_inode->i_ctime = time;
-	old_dir->i_mtime = old_dir->i_ctime = time;
-	new_dir->i_mtime = new_dir->i_ctime = time;
+	simple_rename_timestamp(old_dir, old_dentry, new_dir, new_dentry);
 
 	if (old_dir != new_dir) {
 		if (S_ISDIR(fst_inode->i_mode) && !S_ISDIR(snd_inode->i_mode)) {
-- 
2.41.0