From: Chuck Lever <chuck.lever@oracle.com>
Subject: Re: Merge plans for RPC/RDMA? (Was: Re: [PATCH 000 of 14]
 knfsd: Preparation for IPv6 support in NFS server.)
Date: Fri, 13 Apr 2007 18:45:54 -0400
Message-ID: <46200822.5060800@oracle.com>
References: <170fa0d20704131347u4a28b5d1h1959227980449fbf@mail.gmail.com>
Reply-To: chuck.lever@oracle.com
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Cc: NeilBrown <neilb@suse.de>, Andrew Morton <akpm@osdl.org>,
	Roland Dreier <rdreier@cisco.com>, nfs@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
To: Mike Snitzer <snitzer@gmail.com>
In-Reply-To: <170fa0d20704131347u4a28b5d1h1959227980449fbf@mail.gmail.com>
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Mike Snitzer wrote:
> On 2/2/07, Chuck Lever <chuck.lever@oracle.com> wrote:
>> Roland Dreier wrote:
>> >  > They are mostly from Chuck Level and make preparating for IPv6 
>> support
>> >  > in the NFS server.
>> >  > They are *not* for 2.6.20, but should be ok for .21.
>> >
>> > Out of curiousity, does this patch series reduce the delta between the
>> > NFS/RDMA tree and mainline Linux?  In other words does this bring
>> > NFS/RDMA closer to merging?
>>
>> Hi Roland-
>>
>> The client side support for an RPC/RDMA module is almost completely
>> integrated into mainline.  There is still a minimal set of patches
>> required to support alternate transports in loadable kernel modules
>> which Trond has indicated he will integrate when the RPC/RDMA transport
>> is ready to be integrated.
> 
> Hi Chuck,
> 
> I must be missing something because I don't see _any_ trace of the
> core RPC over RDMA support (xprtrdma et al), your RPC Transport
> Switch, or any of the other supporting changes in mainline.  Could
> you, or others, please clarify the plan for merging RPC/RDMA?

The RPC transport switch patches are almost fully integrated into 
mainline.  The xprtrdma piece is what is not there yet.

>> At this time I'm not aware of a plan to integrate server-side support
>> for NFS/RDMA.  Perhaps the NetApp RDMA developers could respond.
> 
> Do you mean the NFS/RDMA server code from Tom Tucker of Open Grid
> Computing?  Why wouldn't this code be included?

Tom's code hasn't been reviewed by the community.

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