Re: [RFC][PATCH 0/9] Network receive deadlock prevention for NBD

Daniel Phillips
2006-08-09T05:52:34Z

Evgeniy Polyakov wrote:
> On Tue, Aug 08, 2006 at 09:33:25PM +0200, Peter Zijlstra (a.p.zijlstra@chello.nl) wrote:
>
>> http://lwn.net/Articles/144273/
>> "Kernel Summit 2005: Convergence of network and storage paths"
>>
>>We believe that an approach very much like today's patch set is
>>necessary for NBD, iSCSI, AoE or the like ever to work reliably.
>>We further believe that a properly working version of at least one of
>>these subsystems is critical to the viability of Linux as a modern
>>storage platform.
>
> There is another approach for that - do not use slab allocator for
> network dataflow at all. It automatically has all you pros amd if
> implemented correctly can have a lot of additional usefull and
> high-performance features like full zero-copy and total fragmentation
> avoidance.

Agreed. But probably more intrusive than davem would be happy with
at this point.

Regards,

Daniel