netdev - Re: [PATCH 03/16] tcp: Maintain dynamic metrics in local cache.

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Date:	Tue, 10 Jul 2012 20:59:14 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	joe@...ches.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 03/16] tcp: Maintain dynamic metrics in local cache.

From: Joe Perches <joe@...ches.com>
Date: Tue, 10 Jul 2012 10:02:04 -0700

> On Tue, 2012-07-10 at 08:07 -0700, David Miller wrote:
>> +	return (tm ? tm : (depth > TCP_METRICS_RECLAIM_DEPTH ?
>> +			   TCP_METRICS_RECLAIM_PTR :
>> +			   NULL));
> 
> Using multiple ?: in a single return can be a bit hard to read.

Ok I made a special function to implement this encoding.

>> +	case AF_INET:
>> +		hash = addr.addr.a4 = inet_rsk(req)->rmt_addr;
> 
> Is this a sparse error?  __be32 to unsigned int?
> Maybe it needs a __force?

Yep, the ipv6 hash calculation needs the same __force'ing.
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