linux-kernel - RE: [Patch v2 00/19] CIFS: Implement SMBDirect

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Message-ID: <01ff01d31ab1$ca836a60$5f8a3f20$@opengridcomputing.com>
Date:   Mon, 21 Aug 2017 14:15:03 -0500
From:   "Steve Wise" <swise@...ngridcomputing.com>
To:     "'Long Li'" <longli@...hange.microsoft.com>,
        "'Steve French'" <sfrench@...ba.org>, <linux-cifs@...r.kernel.org>,
        <samba-technical@...ts.samba.org>, <linux-kernel@...r.kernel.org>,
        <linux-rdma@...r.kernel.org>,
        "'Christoph Hellwig'" <hch@...radead.org>,
        "'Tom Talpey'" <ttalpey@...rosoft.com>,
        "'Matthew Wilcox'" <mawilcox@...rosoft.com>
Cc:     "'Long Li'" <longli@...rosoft.com>
Subject: RE: [Patch v2 00/19] CIFS: Implement SMBDirect

> 
> From: Long Li <longli@...rosoft.com>
> 
> Starting with SMB2 dialect 3.0, Microsoft introduced SMBDirect transport
protocol
> for transferring upper layer (SMB2) payload over RDMA via Infiniband, RoCE or
> iWARP. The prococol is published in [MS-SMBD] (https://msdn.microsoft.com/en-
> us/library/hh536346.aspx).
> 
> The patch v2 added RDMA read/write via memory registration, and addressed
> feedbacks on v1.
> 

Hey Long,

What testing have you done with this on the various rdma transports?  Does it
work over IB, RoCE, and iWARP providers?

Thanks,

Steve.