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SubjectRe: Data corruption issue with splice() on 2.6.27.10
On Mon, Jan 12, 2009 at 01:15:17PM +0000, Jarek Poplawski wrote:
...
> I've wondered if something like this could work as a temporary hack?
...
> @@ -776,7 +777,8 @@ ssize_t tcp_sendpage(struct socket *sock, struct page *page, int offset,
> struct sock *sk = sock->sk;
>
> if (!(sk->sk_route_caps & NETIF_F_SG) ||
> - !(sk->sk_route_caps & NETIF_F_ALL_CSUM))
> + !(sk->sk_route_caps & NETIF_F_ALL_CSUM) ||
> + PageSlab(page))
> return sock_no_sendpage(sock, page, offset, size, flags);

Just for the record: this wouldn't work yet:-( It should be probably
something like "PageCompound(compound_head(page))" test instead.

Jarek P.


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