linux-kernel - Re: [PATCH 12/14] scsi: use printk

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Date:	Tue, 11 Aug 2009 09:49:38 -0700
From:	Joe Perches <joe@...ches.com>
To:	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	Marcin Slusarz <marcin.slusarz@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-scsi@...r.kernel.org
Subject: Re: [PATCH 12/14] scsi: use printk_once

On Tue, 2009-08-11 at 11:40 -0500, James Bottomley wrote:
> On Sun, 2009-08-09 at 21:54 +0200, Marcin Slusarz wrote:
> > --- a/drivers/scsi/cxgb3i/cxgb3i_init.c
> > +++ b/drivers/scsi/cxgb3i/cxgb3i_init.c
> > @@ -43,12 +43,7 @@ static struct cxgb3_client t3c_client = {
> >   */
> >  static void open_s3_dev(struct t3cdev *t3dev)
> >  {
> > -	static int vers_printed;
> > -
> > -	if (!vers_printed) {
> > -		printk(KERN_INFO "%s", version);
> > -		vers_printed = 1;
> > -	}
> > +	printk_once(KERN_INFO "%s", version);
> 
> There's really no point to this beyond code churn.  Both patterns are
> correct uses so conversion buys us nothing.

Standards are for hacks.  Stasis is the best policy.
Using patterns isn't worth the electron movement.
Code shortening and readability?  Humbug.


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