[PATCH RFC 2/4] nvme-fabrics: add target support for TCP transport

Bart Van Assche Bart.VanAssche at sandisk.com
Fri Mar 10 14:36:44 PST 2017


On 03/10/2017 02:08 PM, Christoph Hellwig wrote:
> On Fri, Mar 10, 2017 at 11:31:16AM +0000, Bert Kenward wrote:
>> Memory is currently allocated as zero-order pages. It's possible
>> that using higher order pages may be desirable, trading potential
>> allocation latency for less fragmented SKBs on transmit.
> 
> FYI, that would be a useful optimization for RDMA as well.  I know
> SCST had some sophisticated code for doing nice SGL allocations and
> caching, maybe it's time to get that upstream.  Bart, is that something you'd
> be interested in looking into?

This driver looks indeed like yet another driver that could use an
SG-list + page list cache. I will have a look.

Bart.



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