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References: <20151006142430.11788.42604.stgit@manet.1015granger.net>
From: Devesh Sharma <devesh.sharma@avagotech.com>
Date: Wed, 14 Oct 2015 19:02:29 +0530
Message-ID: <CANjDDBj5vyu3cG5fGe_w0pJxAxPUSwyBFFha5sNOCvfcwidc0A@mail.gmail.com>
Subject: Re: [PATCH v2 00/16] NFS/RDMA patches for merging into v4.4
To: Chuck Lever <chuck.lever@oracle.com>
Cc: linux-rdma@vger.kernel.org,
        Linux NFS Mailing List <linux-nfs@vger.kernel.org>
Content-Type: text/plain; charset=UTF-8
Sender: linux-nfs-owner@vger.kernel.org

Hi Chuck,

With the server crash fix in place, ocrdma is passing iozone on this series.

Series Tested-By: Devesh Sharma <devesh.sharma@avagotech.com>

On Tue, Oct 6, 2015 at 8:28 PM, Chuck Lever <chuck.lever@oracle.com> wrote:
> Introduce client-side support for bi-directional RPC/RDMA.
> Bi-directional RPC/RDMA is a pre-requisite for NFSv4.1 on RDMA
> transports.
>
> Also available in the "nfs-rdma-for-4.4" topic branch of this git repo:
>
> git://git.linux-nfs.org/projects/cel/cel-2.6.git
>
> Or for browsing:
>
> http://git.linux-nfs.org/?p=cel/cel-2.6.git;a=log;h=refs/heads/nfs-rdma-for-4.4
>
> Changes since v1:
> - Dropped "RFC" in Subject: line
> - Rebased on v4.3-rc4 + Steve W's recent fixes
> - NFS Server-side backchannel support postponed
> - "xprtrdma: Replace global lkey" dropped, already merged
> - Addressed Sagi's comments on "Replace send and receive arrays"
> - Addressed Jason's comment regarding ib_req_notify_cq return code
> - Moved RPC/RDMA reply handling into a work queue
>
> I'm assuming recent list discussion has addressed Devesh's and
> Sagi's concerns with "Prevent loss of completion signals". Let me
> know if there is still a problem.
>
> ---
>
> Chuck Lever (16):
>       xprtrdma: Enable swap-on-NFS/RDMA
>       xprtrdma: Re-arm after missed events
>       xprtrdma: Prevent loss of completion signals
>       xprtrdma: Refactor reply handler error handling
>       xprtrdma: Replace send and receive arrays
>       xprtrdma: Use workqueue to process RPC/RDMA replies
>       xprtrdma: Remove reply tasklet
>       xprtrdma: Saving IRQs no longer needed for rb_lock
>       SUNRPC: Abstract backchannel operations
>       xprtrdma: Pre-allocate backward rpc_rqst and send/receive buffers
>       xprtrdma: Pre-allocate Work Requests for backchannel
>       xprtrdma: Add support for sending backward direction RPC replies
>       xprtrdma: Handle incoming backward direction RPC calls
>       svcrdma: Add backward direction service for RPC/RDMA transport
>       SUNRPC: Remove the TCP-only restriction in bc_svc_process()
>       NFS: Enable client side NFSv4.1 backchannel to use other transports
>
>
>  fs/nfs/callback.c                        |   33 +-
>  include/linux/sunrpc/bc_xprt.h           |    5
>  include/linux/sunrpc/svc_rdma.h          |    6
>  include/linux/sunrpc/xprt.h              |    7
>  net/sunrpc/backchannel_rqst.c            |   24 +-
>  net/sunrpc/svc.c                         |    5
>  net/sunrpc/xprtrdma/Makefile             |    1
>  net/sunrpc/xprtrdma/backchannel.c        |  373 +++++++++++++++++++++++
>  net/sunrpc/xprtrdma/rpc_rdma.c           |  148 ++++++---
>  net/sunrpc/xprtrdma/svc_rdma.c           |    6
>  net/sunrpc/xprtrdma/svc_rdma_transport.c |   58 ++++
>  net/sunrpc/xprtrdma/transport.c          |   18 +
>  net/sunrpc/xprtrdma/verbs.c              |  479 +++++++++++++++---------------
>  net/sunrpc/xprtrdma/xprt_rdma.h          |   53 +++
>  net/sunrpc/xprtsock.c                    |   16 +
>  15 files changed, 916 insertions(+), 316 deletions(-)
>  create mode 100644 net/sunrpc/xprtrdma/backchannel.c
>
> --
> Chuck Lever
> --
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