Prepare for when virtqueue_add_buf will use sg_next instead of
ignoring ending markers.
Note that for_each_sg (and thus virtqueue_add_sg) allows you
to pass a "truncated" scatterlist that does not have a marker
on the last item. We rely on this in add_recvbuf_mergeable.
Signed-off-by: Paolo
Prepare for when virtqueue_add_buf will use sg_next instead of
ignoring ending markers.
Note that for_each_sg (and thus virtqueue_add_sg) allows you
to pass a truncated scatterlist that does not have a marker
on the last item. We rely on this in add_recvbuf_mergeable.
Signed-off-by: Paolo
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