linux-kernel - Re: [PATCH 15/15] drivers/ide/ide-cd.c: Use DIV_ROUND

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Date:	Sun, 2 Aug 2009 15:51:22 +0200
From:	Borislav Petkov <petkovbb@...glemail.com>
To:	Julia Lawall <julia@...u.dk>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 15/15] drivers/ide/ide-cd.c: Use DIV_ROUND_CLOSEST

On Sun, Aug 02, 2009 at 10:49:54AM +0200, Julia Lawall wrote:
> From: Julia Lawall <julia@...u.dk>
> 
> The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d
> but is perhaps more readable.
> 
> The semantic patch that makes this change is as follows:
> (http://www.emn.fr/x-info/coccinelle/)
> 
> // <smpl>
> @haskernel@
> @@
> 
> #include <linux/kernel.h>
> 
> @depends on haskernel@
> expression x,__divisor;
> @@
> 
> - (((x) + ((__divisor) / 2)) / (__divisor))
> + DIV_ROUND_CLOSEST(x,__divisor)
> // </smpl>
> 
> Signed-off-by: Julia Lawall <julia@...u.dk>

Acked-by: Borislav Petkov <petkovbb@...il.com>

-- 
Regards/Gruss,
    Boris.
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