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Commit d96b9c93 authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

svcrpc: autoload rdma module 



This should fix failures like:

	# rpc.nfsd --rdma
	rpc.nfsd: Unable to request RDMA services: Protocol not supported

Reported-by: default avatarSteve Dickson <steved@redhat.com>
Reviewed-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent d9e4084f

net/sunrpc/svc_xprt.c

+19 −4
Original line number Diff line number Diff line
@@ -244,13 +244,12 @@ void svc_add_new_perm_xprt(struct svc_serv *serv, struct svc_xprt *new) 
	svc_xprt_received(new);

}



int svc_create_xprt(struct svc_serv *serv, const char *xprt_name,

int _svc_create_xprt(struct svc_serv *serv, const char *xprt_name,

		    struct net *net, const int family,

		    const unsigned short port, int flags)

{

	struct svc_xprt_class *xcl;



	dprintk("svc: creating transport %s[%d]\n", xprt_name, port);

	spin_lock(&svc_xprt_class_lock);

	list_for_each_entry(xcl, &svc_xprt_class_list, xcl_list) {

		struct svc_xprt *newxprt;
@@ -274,12 +273,28 @@ int svc_create_xprt(struct svc_serv *serv, const char *xprt_name, 
	}

 err:

	spin_unlock(&svc_xprt_class_lock);

	dprintk("svc: transport %s not found\n", xprt_name);



	/* This errno is exposed to user space.  Provide a reasonable

	 * perror msg for a bad transport. */

	return -EPROTONOSUPPORT;

}



int svc_create_xprt(struct svc_serv *serv, const char *xprt_name,

		    struct net *net, const int family,

		    const unsigned short port, int flags)

{

	int err;



	dprintk("svc: creating transport %s[%d]\n", xprt_name, port);

	err = _svc_create_xprt(serv, xprt_name, net, family, port, flags);

	if (err == -EPROTONOSUPPORT) {

		request_module("svc%s", xprt_name);

		err = _svc_create_xprt(serv, xprt_name, net, family, port, flags);

	}

	if (err)

		dprintk("svc: transport %s not found, err %d\n",

			xprt_name, err);

	return err;

}

EXPORT_SYMBOL_GPL(svc_create_xprt);



/*