linux-kernel - Re: [PATCH 02/18] net: use wrapper functions of net

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Message-ID: <1381854263.22110.19.camel@joe-AO722>
Date:	Tue, 15 Oct 2013 09:24:23 -0700
From:	Joe Perches <joe@...ches.com>
To:	Kefeng Wang <wangkefeng.wang@...wei.com>
Cc:	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Johannes Berg <johannes@...solutions.net>,
	"John W. Linville" <linville@...driver.com>,
	Stanislaw Gruszka <sgruszka@...hat.com>,
	Johannes Berg <johannes.berg@...el.com>,
	Francois Romieu <romieu@...zoreil.com>,
	Ben Hutchings <bhutchings@...arflare.com>,
	Chas Williams <chas@....nrl.navy.mil>,
	Marc Kleine-Budde <mkl@...gutronix.de>,
	Samuel Ortiz <samuel@...tiz.org>,
	Paul Mackerras <paulus@...ba.org>,
	Oliver Neukum <oneukum@...e.de>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	"Michael S. Tsirkin" <mst@...hat.com>, netfilter@...r.kernel.org,
	netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
	guohanjun@...wei.com
Subject: Re: [PATCH 02/18] net: use wrapper functions of net_ratelimit() to
 simplify code

On Tue, 2013-10-15 at 19:44 +0800, Kefeng Wang wrote:
> Wrapper functions net_ratelimited_function() and net_XXX_ratelimited()
> are called to simplify code.
[]
> diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
[]
> @@ -465,10 +465,8 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
>  	if (likely(fdb)) {
>  		/* attempt to update an entry for a local interface */
>  		if (unlikely(fdb->is_local)) {
> -			if (net_ratelimit())
> -				br_warn(br, "received packet on %s with "
> -					"own address as source address\n",
> -					source->dev->name);
> +			net_ratelimited_function(br_warn, br, "received packet on %s "
> +				"with own address as source address\n", source->dev->name);

Hello Kefeng.

When these types of lines are changed, please coalesce the
fragmented format pieces into a single string.

It makes grep a bit easier and 80 columns limits don't
apply to formats.

I think using net_ratelimited_function is not particularly
clarifying here.

Maybe net_ratelimited_function should be removed instead
of its use sites expanded.

Perhaps adding macros like #define br_warn_ratelimited()
would be better.

This comment applies to the whole series.

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