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Date:   Mon, 5 Apr 2021 22:39:50 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Jan Kara <jack@...e.cz>
Cc:     Arnd Bergmann <arnd@...nel.org>, Jan Kara <jack@...e.com>,
        Arnd Bergmann <arnd@...db.de>,
        Harshad Shirwadkar <harshadshirwadkar@...il.com>,
        Mauricio Faria de Oliveira <mfo@...onical.com>,
        Andreas Dilger <adilger@...ger.ca>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "zhangyi (F)" <yi.zhang@...wei.com>,
        Alexander Lochmann <alexander.lochmann@...dortmund.de>,
        Hui Su <sh_def@....com>, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] jbd2: avoid -Wempty-body warnings

On Tue, Mar 30, 2021 at 05:15:33PM +0200, Jan Kara wrote:
> On Mon 22-03-21 11:21:38, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@...db.de>
> > 
> > Building with 'make W=1' shows a harmless -Wempty-body warning:
> > 
> > fs/jbd2/recovery.c: In function 'fc_do_one_pass':
> > fs/jbd2/recovery.c:267:75: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
> >   267 |                 jbd_debug(3, "Fast commit replay failed, err = %d\n", err);
> >       |                                                                           ^
> > 
> > Change the empty dprintk() macros to no_printk(), which avoids this
> > warning and adds format string checking.
> > 
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> 
> Sure. Feel free to add:
> 
> Reviewed-by: Jan Kara <jack@...e.cz>

Applied, thanks.

					- Ted

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