diff mbox series

[v2,10/92] ubifs: convert to simple_rename_timestamp

Message ID 20230705190309.579783-8-jlayton@kernel.org
State New
Headers
Series [v2,01/92] ibmvmc: update ctime in conjunction with mtime on write |

Commit Message

Jeff Layton July 5, 2023, 7 p.m. UTC 
  A rename potentially involves updating 4 different inode timestamps.
Convert to the new simple_rename_timestamp helper function.

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

Comments

Jan Kara July 6, 2023, 10:30 a.m. UTC | #1 
On Wed 05-07-23 15:00:35, Jeff Layton wrote:
> A rename potentially involves updating 4 different inode timestamps.
> Convert to the new simple_rename_timestamp helper function.
> 
> Signed-off-by: Jeff Layton <jlayton@kernel.org>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  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
>
Zhihao Cheng July 6, 2023, 12:08 p.m. UTC | #2 
在 2023/7/6 3:00, Jeff Layton 写道:
> A rename potentially involves updating 4 different inode timestamps.
> Convert to the new simple_rename_timestamp helper function.
> 
> Signed-off-by: Jeff Layton <jlayton@kernel.org>
> ---
>   fs/ubifs/dir.c | 15 +++------------
>   1 file changed, 3 insertions(+), 12 deletions(-)
> 

Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>

> 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)) {
>
diff mbox series

Patch

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)) {