Re: [PATCH 08/17] {macvtap,tun}_get_user(): switch to iov_iter

From: Ben Hutchings
Date: Sun Nov 23 2014 - 20:06:37 EST


On Mon, 2014-11-24 at 00:27 +0000, Ben Hutchings wrote:
> On Sat, 2014-11-22 at 04:33 +0000, Al Viro wrote:
[...]
> Does skb_copy_datagram_from_iter() really need a len parameter? Here it
> is equal to iov_iter_count(from).
[...]
> Again len is equal to iov_iter_count(from), so I think that parameter is
> redundant.

Having read further patches, I see that unix_stream_sendmsg() is the one
exception where the length parameter is different. But maybe the common
case (len = iter_iov_count(iov)) deserves a wrapper function?

Ben.

--
Ben Hutchings
Absolutum obsoletum. (If it works, it's out of date.) - Stafford Beer

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