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authorChuck Lever <chuck.lever@oracle.com>2015-10-24 17:28:32 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2015-11-02 16:29:13 -0500
commit76566773a1f1c2295ed901b6f1241cfe10d99029 (patch)
tree91395d3bb57a2733d6b4a8f3461a759770e83e92 /net/sunrpc/xprtrdma/backchannel.c
parent0f2e3bdab6590a5d8900e7d701e21ac9af19924c (diff)
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NFS: Enable client side NFSv4.1 backchannel to use other transports
Forechannel transports get their own "bc_up" method to create an endpoint for the backchannel service. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> [Anna Schumaker: Add forward declaration of struct net to xprt.h] Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/backchannel.c')
-rw-r--r--net/sunrpc/xprtrdma/backchannel.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c
index 0b3387fe3f0d..2dcb44f69e53 100644
--- a/net/sunrpc/xprtrdma/backchannel.c
+++ b/net/sunrpc/xprtrdma/backchannel.c
@@ -7,6 +7,7 @@
#include <linux/module.h>
#include <linux/sunrpc/xprt.h>
#include <linux/sunrpc/svc.h>
+#include <linux/sunrpc/svc_xprt.h>
#include "xprt_rdma.h"
@@ -174,6 +175,26 @@ out_err:
}
/**
+ * xprt_rdma_bc_up - Create transport endpoint for backchannel service
+ * @serv: server endpoint
+ * @net: network namespace
+ *
+ * The "xprt" is an implied argument: it supplies the name of the
+ * backchannel transport class.
+ *
+ * Returns zero on success, negative errno on failure
+ */
+int xprt_rdma_bc_up(struct svc_serv *serv, struct net *net)
+{
+ int ret;
+
+ ret = svc_create_xprt(serv, "rdma-bc", net, PF_INET, 0, 0);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+/**
* rpcrdma_bc_marshal_reply - Send backwards direction reply
* @rqst: buffer containing RPC reply data
*