autofs: set ctime as well when mtime changes on a dir

When adding entries to a directory, POSIX generally requires that the
ctime also be updated alongside the mtime.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Ian Kent <raven@themaw.net>
Message-Id: <20230612104524.17058-4-jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/fs/autofs/root.c b/fs/autofs/root.c
index 6baf90b08e0ef91e66adaf48c67244b536a2e049..93046c9dc4610a6c3225ee8c66465d35e24c606d 100644 (file)
--- a/fs/autofs/root.c
+++ b/fs/autofs/root.c
@@ -600,7 +600,7 @@ static int autofs_dir_symlink(struct mnt_idmap *idmap,
        p_ino = autofs_dentry_ino(dentry->d_parent);
        p_ino->count++;
 
-       dir->i_mtime = current_time(dir);
+       dir->i_mtime = dir->i_ctime = current_time(dir);
 
        return 0;
 }
@@ -633,7 +633,7 @@ static int autofs_dir_unlink(struct inode *dir, struct dentry *dentry)
        d_inode(dentry)->i_size = 0;
        clear_nlink(d_inode(dentry));
 
-       dir->i_mtime = current_time(dir);
+       dir->i_mtime = dir->i_ctime = current_time(dir);
 
        spin_lock(&sbi->lookup_lock);
        __autofs_add_expiring(dentry);
@@ -749,7 +749,7 @@ static int autofs_dir_mkdir(struct mnt_idmap *idmap,
        p_ino = autofs_dentry_ino(dentry->d_parent);
        p_ino->count++;
        inc_nlink(dir);
-       dir->i_mtime = current_time(dir);
+       dir->i_mtime = dir->i_ctime = current_time(dir);
 
        return 0;
 }