From: Eric Dumazet <eric.dumazet@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] net: Abstract away all dst_entry metrics accesses.
Date: Thu, 09 Dec 2010 08:18:36 +0100 [thread overview]
Message-ID: <1291879116.2795.51.camel@edumazet-laptop> (raw)
In-Reply-To: <20101208.214834.226775385.davem@davemloft.net>
Le mercredi 08 décembre 2010 à 21:48 -0800, David Miller a écrit :
> Use helper functions to hide all direct accesses, especially writes,
> to dst_entry metrics values.
>
> This will allow us to:
>
> 1) More easily change how the metrics are stored.
>
> 2) Implement COW for metrics.
>
> In particular this will help us put metrics into the inetpeer
> cache if that is what we end up doing. We can make the _metrics
> member a pointer instead of an array, initially have it point
> at the read-only metrics in the FIB, and then on the first set
> grab an inetpeer entry and point the _metrics member there.
>
> Signed-off-by: David S. Miller <davem@davemloft.net>
Very exciting, thanks David !
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
prev parent reply other threads:[~2010-12-09 7:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-09 5:48 [PATCH] net: Abstract away all dst_entry metrics accesses David Miller
2010-12-09 7:18 ` Eric Dumazet [this message]
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