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authorChuck Lever <chuck.lever@oracle.com>2015-10-25 00:28:32 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2015-11-03 00:29:13 +0300
commit76566773a1f1c2295ed901b6f1241cfe10d99029 (patch)
tree91395d3bb57a2733d6b4a8f3461a759770e83e92 /net/sunrpc/xprtsock.c
parent0f2e3bdab6590a5d8900e7d701e21ac9af19924c (diff)
downloadlinux-76566773a1f1c2295ed901b6f1241cfe10d99029.tar.xz
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/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 44a81e4c6783..dc4706711224 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1306,6 +1306,17 @@ static inline int _xs_tcp_read_data(struct rpc_xprt *xprt,
xs_tcp_read_reply(xprt, desc) :
xs_tcp_read_callback(xprt, desc);
}
+
+static int xs_tcp_bc_up(struct svc_serv *serv, struct net *net)
+{
+ int ret;
+
+ ret = svc_create_xprt(serv, "tcp-bc", net, PF_INET, 0,
+ SVC_SOCK_ANONYMOUS);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
#else
static inline int _xs_tcp_read_data(struct rpc_xprt *xprt,
struct xdr_skb_reader *desc)
@@ -2582,6 +2593,7 @@ static struct rpc_xprt_ops xs_tcp_ops = {
.inject_disconnect = xs_inject_disconnect,
#ifdef CONFIG_SUNRPC_BACKCHANNEL
.bc_setup = xprt_setup_bc,
+ .bc_up = xs_tcp_bc_up,
.bc_free_rqst = xprt_free_bc_rqst,
.bc_destroy = xprt_destroy_bc,
#endif