Re: [PATCH 2.6.23-rc6 Resending] NETWORKING : Edge Triggered EPOLLOUTevents get missed for TCP sockets

[Davide Libenzi]

On Wed, 19 Sep 2007, David Miller wrote:

> From: Nagendra Tomar <tomer_iisc@xxxxxxxxx>
> Date: Wed, 19 Sep 2007 15:37:09 -0700 (PDT)
> 
> > With the SOCK_NOSPACE check in tcp_check_space(), this epoll_wait call will 
> > not return, even when the incoming acks free the buffers.
> >         Note that this patch assumes that the SOCK_NOSPACE check in
> > tcp_check_space is a trivial optimization which can be safely removed.
> 
> I already replied to your patch posting explaining that whatever is
> not setting SOCK_NOSPACE should be fixed instead.
> 
> Please address that, thanks.

You're not planning of putting the notion of a SOCK_NOSPACE bit inside a 
completely device-unaware interface like epoll, I hope?



- Davide


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