linux-kernel - Re: [PATCH 7/9] gfs2: update ctime when quota is updated

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Message-ID: <CAHc6FU4wyfQT7T75j2Sd9WNp=ag7hpDZGYkR=m73h2nOaH+AqQ@mail.gmail.com>
Date:   Fri, 9 Jun 2023 18:44:41 +0200
From:   Andreas Gruenbacher <agruenba@...hat.com>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     Christian Brauner <brauner@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Brad Warrum <bwarrum@...ux.ibm.com>,
        Ritu Agarwal <rituagar@...ux.ibm.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ian Kent <raven@...maw.net>,
        "Tigran A. Aivazian" <aivazian.tigran@...il.com>,
        Jeremy Kerr <jk@...abs.org>, Ard Biesheuvel <ardb@...nel.org>,
        Namjae Jeon <linkinjeon@...nel.org>,
        Sungjong Seo <sj1557.seo@...sung.com>,
        Bob Peterson <rpeterso@...hat.com>,
        Steve French <sfrench@...ba.org>,
        Paulo Alcantara <pc@...guebit.com>,
        Ronnie Sahlberg <lsahlber@...hat.com>,
        Shyam Prasad N <sprasad@...rosoft.com>,
        Tom Talpey <tom@...pey.com>,
        John Johansen <john.johansen@...onical.com>,
        Paul Moore <paul@...l-moore.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Ruihan Li <lrh2000@....edu.cn>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        autofs@...r.kernel.org, linux-efi@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, cluster-devel@...hat.com,
        linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org,
        apparmor@...ts.ubuntu.com, linux-security-module@...r.kernel.org
Subject: Re: [PATCH 7/9] gfs2: update ctime when quota is updated

Jeff,

On Fri, Jun 9, 2023 at 2:50 PM Jeff Layton <jlayton@...nel.org> wrote:
> Signed-off-by: Jeff Layton <jlayton@...nel.org>
> ---
>  fs/gfs2/quota.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
> index 1ed17226d9ed..6d283e071b90 100644
> --- a/fs/gfs2/quota.c
> +++ b/fs/gfs2/quota.c
> @@ -869,7 +869,7 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
>                 size = loc + sizeof(struct gfs2_quota);
>                 if (size > inode->i_size)
>                         i_size_write(inode, size);
> -               inode->i_mtime = inode->i_atime = current_time(inode);
> +               inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);

I don't think we need to worry about the ctime of the quota inode as
that inode is internal to the filesystem only.

>                 mark_inode_dirty(inode);
>                 set_bit(QDF_REFRESH, &qd->qd_flags);
>         }
> --
> 2.40.1
>

Thanks,
Andreas