On Sun, 23 Apr 2000, Andi Kleen wrote:
> On Sun, Apr 23, 2000 at 04:33:52AM +0200, Alexander Viro wrote:
> > What I really don't like about the thing is the ->poll() interface. Here I
> > _have_ some interest - it's used in NCPFS RPC. The main problem being: I
> > would rather live without struct file for link to server. However, with
> > sock->ops->poll() we have to keep one. Notice that
>
> I don't see the gain behind the change. Please keep it as it is. I prefer
> to think about TCP/UDP poll as a generic poll like all other poll functions,
> not a specially-hacked networking poll. Flatter hierarchies are better here.
My main beef with the ->poll() in net/* is that it forces us to carry
struct file around, even though there's often no other reason to do that.
It is _wrong_ - when you have to allocate dummy objects to make the
interface happy it means that you are using the wrong interface. Hell
knows... I'ld rather avoid mixing these things - selection of waitqueue to
wait on is one thing, actual asking about the events is completely
different. BTW, AFAICS the former can be done at the open()/socket()
time...
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