linux-kernel - Re: [PATCH] [Coding Style]: fs/ext{3,4}/ext{3,4}

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Message-ID: <20080111034240.GA29861@linux-sh.org>
Date:	Fri, 11 Jan 2008 12:42:40 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Roel Kluin <12o3l@...cali.nl>, Al Viro <viro@...IV.linux.org.uk>,
	Mathieu Segaud <mathieu.segaud@...ala.cx>,
	Richard Knutsson <ricknu-0@...dent.ltu.se>,
	linux-pcmcia@...ts.infradead.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] [Coding Style]: fs/ext{3,4}/ext{3,4}_jbd{,2}.c

On Fri, Jan 11, 2008 at 04:09:45AM +0100, Peter Stuge wrote:
> On Thu, Jan 10, 2008 at 10:03:58PM +0100, Roel Kluin wrote:
> > -#define DEBUG(x,args...)	printk(__FUNCTION__ ": " x,##args)
> > +#define DEBUG(x, args...)	printk("%s: ", __func__, x, ##args)
> 
> Can this really be expected to work when x contains conversions?
> 
> How about:
> 
> #define DEBUG(x, args...) printk("%s: " x, __func__, ##args)
> 
How about throwing out hand-rolled debug printk wrappers for the
brain-damage they are and using the ones the kernel provides instead?

dev_dbg() and pr_debug() both manage to get these semantics right, and
you can even bury the #define DEBUG underneath some Kconfig silliness if
you're the kind of person that leans that way.

Maybe we can just amend checkpatch to delete a patch out of protest if it
introduces printk() wrappers..
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