Merge branch 'iov_iter'
Herbert Xu says:
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Replace skb_copy_datagram_const_iovec with iterator version
This patch series adds the helper skb_copy_datagram_iter, which
is meant to replace both skb_copy_datagram_iovec and its evil
twin skb_copy_datagram_const_iovec.
It then converts tun and macvtap over to the new helper and finally
removes skb_copy_datagram_const_iovec which is only used by tun
and macvtap.
The copy_to_iter return value issue pointed out by Al has now been
fixed.
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Signed-off-by: David S. Miller <davem@davemloft.net>