Re: linux rdma 3.14 merge plans

Or Gerlitz
2014-01-29T16:34:34Z

On 29/01/2014 17:06, Sagi Grimberg wrote:
> Non-contiguous buffers are a well known problem/challenge for RDMA
> transports, each handles them differently: iSER uses bounce buffers,
> SRP registers multiple contiguous regions.

To be precise, we do it only on very special cases, normally the payload
**each** SCSI command of size > PAGE_SIZE is scattered between random
set of pages allocated by the kernel buffer cache and this set is mapped
through fast-reg or fmr mechanism to one RDMA virtual address.

Or.