linux-kernel - Re: [V2 PATCH 1/9] macvtap: zerocopy: fix offset calculation when building skb

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Message-ID: <1337102266.8220.6.camel@oc3660625478.ibm.com>
Date:	Tue, 15 May 2012 10:17:46 -0700
From:	Shirley Ma <mashirle@...ibm.com>
To:	Jason Wang <jasowang@...hat.com>
Cc:	eric.dumazet@...il.com, mst@...hat.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, ebiederm@...ssion.com,
	davem@...emloft.net
Subject: Re: [V2 PATCH 1/9] macvtap: zerocopy: fix offset calculation when
 building skb

On Wed, 2012-05-02 at 11:41 +0800, Jason Wang wrote:
> This patch fixes the offset calculation when building skb:
> 
> - offset1 were used as skb data offset not vector offset
> - reset offset to zero only when we advance to next vector

I tested the original code in all scenario, it worked well.

However this patch makes the code more clear.

Thanks
Shirley

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