linux-kernel - Re: [PATCH 1/4] inet: Add skb_copy_datagram

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Message-ID: <20141104143536.GD7996@ZenIV.linux.org.uk>
Date:	Tue, 4 Nov 2014 14:35:36 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Benjamin LaHaise <bcrl@...ck.org>
Subject: Re: [PATCH 1/4] inet: Add skb_copy_datagram_iter

On Tue, Nov 04, 2014 at 02:32:00PM +0000, Al Viro wrote:
> On Tue, Nov 04, 2014 at 04:31:34PM +0800, Herbert Xu wrote:
> > This patch adds skb_copy_datagram_iter, which is identical to
> > skb_copy_datagram_iovec except that it operates on iov_iter
> > instead of iovec.
> > 
> > Eventually all users of skb_copy_datagram_iovec should switch
> > over to iov_iter and then we can remove skb_copy_datagram_iovec.
> 
> Too noisy, IMO.  How about skb_copy_datagram_msg() first?  The fewer
> places have to even think of iovec or iov_iter, the better...

PS: "too noisy" is about turning every callsite of skb_copy_datagram_iovec
into that of skb_copy_datagram_iter; the helper itself is just fine.
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