From 3e3f9cabeb2e8fdf9c8f48f055e08f308df87b2d Mon Sep 17 00:00:00 2001
From: Tom Talpey <tmtalpey@gmail.com>
Date: Wed, 11 Mar 2009 14:37:56 -0400
Subject: [PATCH] --- yaml --- r: 139526 b: refs/heads/master c:
 441e3e242903f9b190d5764bed73edb58f977413 h: refs/heads/master v: v3

---
 [refs]                            |  2 +-
 trunk/include/linux/sunrpc/xprt.h |  1 +
 trunk/net/sunrpc/xprt.c           | 31 +++++++++++++++++++++++++++++++
 3 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 2b2595710091..b5088999a780 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b38ab40ad58c1fc43ea590d6342f6a6763ac8fb6
+refs/heads/master: 441e3e242903f9b190d5764bed73edb58f977413
diff --git a/trunk/include/linux/sunrpc/xprt.h b/trunk/include/linux/sunrpc/xprt.h
index 11fc71d50c1e..2b0d960603b9 100644
--- a/trunk/include/linux/sunrpc/xprt.h
+++ b/trunk/include/linux/sunrpc/xprt.h
@@ -235,6 +235,7 @@ static inline __be32 *xprt_skip_transport_header(struct rpc_xprt *xprt, __be32 *
  */
 int			xprt_register_transport(struct xprt_class *type);
 int			xprt_unregister_transport(struct xprt_class *type);
+int			xprt_load_transport(const char *);
 void			xprt_set_retrans_timeout_def(struct rpc_task *task);
 void			xprt_set_retrans_timeout_rtt(struct rpc_task *task);
 void			xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status);
diff --git a/trunk/net/sunrpc/xprt.c b/trunk/net/sunrpc/xprt.c
index 62098d101a1f..d1afec640394 100644
--- a/trunk/net/sunrpc/xprt.c
+++ b/trunk/net/sunrpc/xprt.c
@@ -151,6 +151,37 @@ int xprt_unregister_transport(struct xprt_class *transport)
 }
 EXPORT_SYMBOL_GPL(xprt_unregister_transport);
 
+/**
+ * xprt_load_transport - load a transport implementation
+ * @transport_name: transport to load
+ *
+ * Returns:
+ * 0:		transport successfully loaded
+ * -ENOENT:	transport module not available
+ */
+int xprt_load_transport(const char *transport_name)
+{
+	struct xprt_class *t;
+	char module_name[sizeof t->name + 5];
+	int result;
+
+	result = 0;
+	spin_lock(&xprt_list_lock);
+	list_for_each_entry(t, &xprt_list, list) {
+		if (strcmp(t->name, transport_name) == 0) {
+			spin_unlock(&xprt_list_lock);
+			goto out;
+		}
+	}
+	spin_unlock(&xprt_list_lock);
+	strcpy(module_name, "xprt");
+	strncat(module_name, transport_name, sizeof t->name);
+	result = request_module(module_name);
+out:
+	return result;
+}
+EXPORT_SYMBOL_GPL(xprt_load_transport);
+
 /**
  * xprt_reserve_xprt - serialize write access to transports
  * @task: task that is requesting access to the transport