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Date:   Mon, 20 Mar 2023 06:42:36 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Yangtao Li <frank.li@...o.com>,
        Naohiro Aota <naohiro.aota@....com>,
        Johannes Thumshirn <jth@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2, RESEND 04/10] zonefs: convert to kobject_del_and_put()

On 3/19/23 18:26, Yangtao Li wrote:
> Use kobject_del_and_put() to simplify code.
> 
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: "Rafael J. Wysocki" <rafael@...nel.org>
> Signed-off-by: Yangtao Li <frank.li@...o.com>
> ---
>  fs/zonefs/sysfs.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fs/zonefs/sysfs.c b/fs/zonefs/sysfs.c
> index 8ccb65c2b419..5e117188fbb5 100644
> --- a/fs/zonefs/sysfs.c
> +++ b/fs/zonefs/sysfs.c
> @@ -113,8 +113,7 @@ void zonefs_sysfs_unregister(struct super_block *sb)
>  	if (!sbi || !sbi->s_sysfs_registered)
>  		return;
>  
> -	kobject_del(&sbi->s_kobj);
> -	kobject_put(&sbi->s_kobj);
> +	kobject_del_and_put(&sbi->s_kobj);
>  	wait_for_completion(&sbi->s_kobj_unregister);

There is no function kobject_del_and_put() in rc3. I guess it is introduced by
this series but since you did not send everything, it is impossible to review.
Please always send the full patch series so that reviewers have all the context
that is needed to review/ack.

>  }
>  

-- 
Damien Le Moal
Western Digital Research

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