On Tue, Nov 04, 2014 at 02:52:22PM +0000, Al Viro wrote:
>
> > Hmm if that is your concern then I don't see how skb_copy_datagram_msg
> > changes things as you'd still have to convert every existing caller
> > of skb_copy_datagram_iovec. Colour me confused.
>
> Fewer places having to even think of iovec/iov_iter...
Well it's the difference between
skb_copy_datagram_iter(..., &kmsghdr->iov_iter, ...)
and
skb_copy_datagram_msg(..., kmsghdr, ...)
Heck we could even make skb_copy_datagram_msg an inline wrapper
around skb_copy_datagram_iter if you like.
Anyway, the point is that not everything comes with a kmsghdr.
Cheers,
--
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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