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

["J. Bruce Fields" <bfields@fieldses.org>]

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"?

--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