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

[Daniel Phillips]

Evgeniy Polyakov wrote:
> On Tue, Aug 08, 2006 at 09:33:25PM +0200, Peter Zijlstra (a.p.zijlstra@xxxxxxxxx) 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
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