Re: [PATCH] jbd2: avoid -Wempty-body warnings

From: Theodore Ts'o
Date: Mon Apr 05 2021 - 22:41:25 EST


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@xxxxxxxx>
> >
> > 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@xxxxxxxx>
>
> Sure. Feel free to add:
>
> Reviewed-by: Jan Kara <jack@xxxxxxx>

Applied, thanks.

- Ted