From: Jan Kara <jack@suse.cz>

Make ext4 update mtime and ctime of the directory into which we move file even
if the directory entry already exists.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/ext4/namei.c |    3 +++
 1 file changed, 3 insertions(+)

diff -puN fs/ext4/namei.c~ext4-fix-update-of-mtime-and-ctime-on-rename fs/ext4/namei.c
--- a/fs/ext4/namei.c~ext4-fix-update-of-mtime-and-ctime-on-rename
+++ a/fs/ext4/namei.c
@@ -2354,6 +2354,9 @@ static int ext4_rename (struct inode * o
 					      EXT4_FEATURE_INCOMPAT_FILETYPE))
 			new_de->file_type = old_de->file_type;
 		new_dir->i_version++;
+		new_dir->i_ctime = new_dir->i_mtime =
+					ext4_current_time(new_dir);
+		ext4_mark_inode_dirty(handle, new_dir);
 		BUFFER_TRACE(new_bh, "call ext4_journal_dirty_metadata");
 		ext4_journal_dirty_metadata(handle, new_bh);
 		brelse(new_bh);
_