On Tue, Nov 27, 2018 at 10:57 AM Eric Dumazet <eduma...@google.com> wrote: > > Jean-Louis Dupond reported poor iscsi TCP receive performance > that we tracked to backlog drops. > > Apparently we fail to send window updates reflecting the > fact that we are under stress. > > Note that we might lack a proper window increase when > backlog is fully processed, since __release_sock() clears > sk->sk_backlog.len _after_ all skbs have been processed. > > This should not matter in practice. If we had a significant > load through socket backlog, we are in a dangerous > situation. > > Reported-by: Jean-Louis Dupond <jean-lo...@dupond.be> > Signed-off-by: Eric Dumazet <eduma...@google.com> > ---
Acked-by: Neal Cardwell <ncardw...@google.com> Nice. Thanks! neal
