[PATCH 1/1] hpfs: update ctime/mtime of old/new_dir

[PATCH 1/1] hpfs: update ctime/mtime of old/new_dir

[Taesoo Kim]

Upon successful rename(), update ctime and mtime of
old/new_dir, as posix specifies.

Signed-off-by: Taesoo Kim <tsgatesv@gmail.com>
---
 fs/hpfs/namei.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index bdbc2c3..8d8669c 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -600,6 +600,12 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (S_ISDIR(i->i_mode)) {
 		inc_nlink(new_dir);
 		drop_nlink(old_dir);
+
+		old_dir->i_ctime.tv_sec = old_dir->i_mtime.tv_sec = local_to_gmt(old_dir->i_sb, get_seconds());
+		old_dir->i_ctime.tv_nsec = old_dir->i_mtime.tv_nsec = 0;
+
+		new_dir->i_ctime.tv_sec = new_dir->i_mtime.tv_sec = local_to_gmt(new_dir->i_sb, get_seconds());
+		new_dir->i_ctime.tv_nsec = new_dir->i_mtime.tv_nsec = 0;
 	}
 	if ((fnode = hpfs_map_fnode(i->i_sb, i->i_ino, &bh))) {
 		fnode->up = cpu_to_le32(new_dir->i_ino);
-- 
2.3.3

Re: [PATCH 1/1] hpfs: update ctime/mtime of old/new_dir

[Mikulas Patocka]

On Tue, 24 Mar 2015, Taesoo Kim wrote:

> Upon successful rename(), update ctime and mtime of
> old/new_dir, as posix specifies.
> 
> Signed-off-by: Taesoo Kim <tsgatesv@gmail.com>
> ---
>  fs/hpfs/namei.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
> index bdbc2c3..8d8669c 100644
> --- a/fs/hpfs/namei.c
> +++ b/fs/hpfs/namei.c
> @@ -600,6 +600,12 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
>  	if (S_ISDIR(i->i_mode)) {
>  		inc_nlink(new_dir);
>  		drop_nlink(old_dir);
> +
> +		old_dir->i_ctime.tv_sec = old_dir->i_mtime.tv_sec = local_to_gmt(old_dir->i_sb, get_seconds());
> +		old_dir->i_ctime.tv_nsec = old_dir->i_mtime.tv_nsec = 0;
> +
> +		new_dir->i_ctime.tv_sec = new_dir->i_mtime.tv_sec = local_to_gmt(new_dir->i_sb, get_seconds());
> +		new_dir->i_ctime.tv_nsec = new_dir->i_mtime.tv_nsec = 0;
>  	}
>  	if ((fnode = hpfs_map_fnode(i->i_sb, i->i_ino, &bh))) {
>  		fnode->up = cpu_to_le32(new_dir->i_ino);
> -- 
> 2.3.3

Hi

The patch is buggy - it only changes time in memory and never saves it to 
the disk, it doesn't change time when we rename non-directory entry. It 
also doesn't change time on other directory modifications - creating or 
deleting files.

I will send a correct patch at the beginning of the next merge window.

Mikuklas