Re: [PATCH V2 2/2] tcm_vhost: Use vq->private_data to indicate if the endpoint is setup

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On Tue, Apr 02, 2013 at 09:27:57AM +1030, Rusty Russell wrote:
> "Michael S. Tsirkin" <mst@xxxxxxxxxx> writes:
> > Rusty's currently doing some reorgs of -net let's delay
> > cleanups there to avoid stepping on each other's toys.
> > Let's focus on scsi here.
> > E.g. any chance framing assumptions can be fixed in 3.10?
> 
> I am waiting for your removal of the dma-compelete ordering stuff in
> vhost-net.
> 
> Cheers,
> Rusty.

Now, it looks like it's actually a smart datastructure.
It allows signalling consumptions from multiple
without any locks, with multiple consumers, and just
a single kref counter.
Nothing simpler than a producer/consumer does this.
Yes it can in theory delay some tx completions a bit but
normally no one is waiting for them.

We can refactor it to save some memory, and cleanup
the code, playing with this now.
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