Re: Merge plans for RPC/RDMA? (Was: Re: [NFS] [PATCH 000 of 14] knfsd:Preparation for IPv6 support in NFS server.)

[Chuck Lever]

Mike Snitzer wrote:
> On 2/2/07, Chuck Lever <chuck.lever@xxxxxxxxxx> 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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