RE: [PATCH v1 00/10] iSER support for remote invalidate

["Steve Wise" <swise@opengridcomputing.com>]

> -----Original Message-----
> From: linux-rdma-owner@vger.kernel.org [mailto:linux-rdma-owner@vger.kernel.org] On Behalf Of Sagi Grimberg
> Sent: Tuesday, November 24, 2015 10:24 AM
> To: linux-rdma@vger.kernel.org; target-devel@vger.kernel.org
> Cc: Nicholas A. Bellinger; Or Gerlitz; Jenny Derzhavetz; Steve Wise
> Subject: [PATCH v1 00/10] iSER support for remote invalidate
> 
> This patchset adds remote invalidation support to iser initiator and
> target. The support negotiation for this feature is based on IBTA
> annex 12 "Support for iSCSI Extensions for RDMA" carried in rdma_cm
> private data.
> 
> Remote invalidation allows a peer host to invalidate a remote key
> as part of a SEND operation. This feature allows a host to avoid
> invalidating an rkey locally. By supporting this feature iser initiator
> can save extra latency and processing time yielded by invalidating
> the memory key locally.
> 
> The initiator feature support is dependent on:
> - fastreg is used (not FMR)
> - always_register=Y
> 
> In this case the initiator will expose support for remote invalidation,
> however it will not blindly rely on the target to do so and will verify
> that in the work completion information. The iser target now looks into
> the iser header in the CM request and in case the initiator supports
> remote invalidation it will respond it will use remote invalidation for
> provided remote keys.
>

Series looks ok to me.

Reviewed-by: Steve Wise <swise@opengridcomputing.com>