[Ksummit-2008-discuss] Kernel Summit Request for Discussion: The Future of Target mode and Cloud storage on Linux

[Vladislav Bolkhovitin]

James Bottomley wrote:
> On Thu, 2008-08-21 at 18:31 -0500, Mike Christie wrote:
>> I think James also said something about moving STGT in-kernel to get 
>> performance gains, but I do not think it means that we have to push 
>> exact code that sits in Tomo's git tree from usrspace into the kernel. 
>> If along the way we replace it with scst or Nick's code and we end up 
>> with a variant of scst or Nicks code that can still support userspace 
>> targets then I do not think any one is going to make long threads like 
>> these have resulted in :)
> 
> I meant actually allowing performance critical pieces to work either
> in-user or in-kernel.  How, I'm not sure ... if we could use the same
> code for both, that would be brilliant ... if we have to have separate
> pieces, that will be OK.
> 
> The error injection and transport debug people think it's important to
> have the state machine in user space for fast prototyping and debugging,
> so I'm not going to take this away from them.

Nobody has been asking you about that. Simply, there's no need in it.

>> Will this work for everyone?
> 
> Sounds like a plan.  (However, it also sounds suspiciously like the last
> plan we had from the storage summit which didn't actually attract any
> implementers ...)

I at that time heard nothing about it. Nobody asked me, nobody let me 
know about it and nobody asked me to participate. Nothing about it was 
in linux-scsi. It was completely behind my back.

Vlad