[openib-general][patch review] srp: fmr implementation,

[Vu Pham]

Roland Dreier wrote:
> BTW, does Mellanox (or anyone else) have any numbers showing that
> using FMRs makes any difference in performance on a semi-realistic benchmark?
> 

I'm using xdd to test the performance 
www.ioperformance.com/products.htm

The target is Mellanox srp target reference implemenation 
with 14 SATA spindles

I can get ~780 MB/s max without FMRs and ~920 MB/s with FMRs 
(using 256 KB sequential read direct IO request)

Vu