Re: [PATCH] svcrdma: RDMA support not yet compatible with RPC6

[Tom Tucker <tom@opengridcomputing.com>]

J. Bruce Fields wrote:
> On Mon, Apr 05, 2010 at 10:55:12AM -0400, Chuck Lever wrote:
>   
>> On 04/03/2010 09:27 AM, Tom Tucker wrote:
>>     
>>> RPC6 requires that it be possible to create endpoints that listen
>>> exclusively for IPv4 or IPv6 connection requests. This is not currently
>>> supported by the RDMA API.
>>>
>>> Signed-off-by: Tom Tucker<tom@opengridcomputing.com>
>>> Tested-by: Steve Wise<swise@opengridcomputing.com>
>>>       
>> Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
>>     
>
> Thanks to all.  I take it the problem began with 37498292a "NFSD: Create
> PF_INET6 listener in write_ports"?
>
>   

Yes.

Tom

> --b.
>
>   
>>> ---
>>>
>>> net/sunrpc/xprtrdma/svc_rdma_transport.c | 5 ++++-
>>> 1 files changed, 4 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c
>>> b/net/sunrpc/xprtrdma/svc_rdma_transport.c
>>> index 3fa5751..4e6bbf9 100644
>>> --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
>>> +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
>>> @@ -678,7 +678,10 @@ static struct svc_xprt *svc_rdma_create(struct
>>> svc_serv *serv,
>>> int ret;
>>>
>>> dprintk("svcrdma: Creating RDMA socket\n");
>>> -
>>> + if (sa->sa_family != AF_INET) {
>>> + dprintk("svcrdma: Address family %d is not supported.\n", sa->sa_family);
>>> + return ERR_PTR(-EAFNOSUPPORT);
>>> + }
>>> cma_xprt = rdma_create_xprt(serv, 1);
>>> if (!cma_xprt)
>>> return ERR_PTR(-ENOMEM);
>>>
>>>       
>> -- 
>> chuck[dot]lever[at]oracle[dot]com
>>     
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