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SubjectRe: [PATCH][RFC 23/23]: Support for zero-copy TCP transmit of user space data
On Wed, Dec 10, 2008 at 10:45 PM, Evgeniy Polyakov <> wrote:
> Another approach is to increase skb's shared data (at the end of the
> skb->data), and this approach was not frowned upon too much either, but
> it requires to mess with skb->destructor, which may not be appropriate
> in some cases. If iscsi does not use sockets (it does iirc), things are
> much simpler.

Hello Evgeniy,

Any idea whether it would be acceptable to extend "struct sock" with
one or two pointers to callback functions ? These callback functions
could be called from skb_release_data() etc. through the "struct sock*
sk" member of "struct sk_buff".


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