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

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Date:	Tue, 11 Aug 2009 09:46:48 -0700
From:	Roland Dreier <rdreier@...co.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


 > > -	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.

It's a pretty small gain but I do think 6 lines -> 1 line does have value.

 - R.
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