Re: nfsrdma broken on 2.6.34-rc1?

[Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>]

Roland Dreier wrote:
>  > LOL. Yes...yes it would. There is of course a Dragon to be slain. Roland?
>
> umm....
>
> seriously is there anyway to un-screw this for 2.6.34?
>
> hack around it in the NFS-RDMA server so it just skips the second bind
> to the same port?
>
>   

If the nfsd code would ignore the error on the INET6 xprt create, then 
it works:

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 0f0e77f..d6abab9 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1008,8 +1008,10 @@ static ssize_t __write_ports_addxprt(char *buf)
 
        err = svc_create_xprt(nfsd_serv, transport,
                                PF_INET6, port, SVC_SOCK_ANONYMOUS);
+#if 0
        if (err < 0 && err != -EAFNOSUPPORT)
                goto out_close;
+#endif
        return 0;
 out_close:
        xprt = svc_find_xprt(nfsd_serv, transport, PF_INET, port);

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