linux-kernel - Re: [RFC][PATCH v3 28/33] timers: fs/nilfs2: Use timer_shutdown

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Message-ID: <CAKFNMomoVn3Zj5xaH6hjXHO+KXj983yZEue5Jx4wH+_m5NiJjA@mail.gmail.com>
Date:   Fri, 4 Nov 2022 15:57:04 +0900
From:   Ryusuke Konishi <konishi.ryusuke@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Anna-Maria Gleixner <anna-maria@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-nilfs@...r.kernel.org
Subject: Re: [RFC][PATCH v3 28/33] timers: fs/nilfs2: Use timer_shutdown_sync()
 before freeing timer

On Fri, Nov 4, 2022 at 2:48 PM Steven Rostedt wrote:
>
> From: "Steven Rostedt (Google)" <rostedt@...dmis.org>
>
> Before a timer is freed, timer_shutdown_sync() must be called.
>
> Link: https://lore.kernel.org/all/20220407161745.7d6754b3@gandalf.local.home/
>
> Cc: Ryusuke Konishi <konishi.ryusuke@...il.com>
> Cc: linux-nilfs@...r.kernel.org
> Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
> ---
>  fs/nilfs2/segment.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
> index b4cebad21b48..c50dc377da26 100644
> --- a/fs/nilfs2/segment.c
> +++ b/fs/nilfs2/segment.c
> @@ -2752,7 +2752,7 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
>
>         down_write(&nilfs->ns_segctor_sem);
>
> -       del_timer_sync(&sci->sc_timer);
> +       timer_shutdown_sync(&sci->sc_timer);
>         kfree(sci);
>  }
>
> --
> 2.35.1

Acked-by: Ryusuke Konishi <konishi.ryusuke@...il.com>

This is the second time, but my Ack is not tagged, so I'll reply again
just in case.

Thanks,
Ryusuke Konishi