[pnfs] [PATCH 6/7] nfs41: sunrpc: add a struct svc_xprt pointer to struct svc_serv for backchannel use

[Benny Halevy]

This svc_xprt is passed on to the callback service thread to be later used
to processes incoming svc_rqst's

Signed-off-by: Benny Halevy <bhalevy at panasas.com>
---
 include/linux/sunrpc/svc.h |    1 +
 net/sunrpc/svc.c           |    4 ++++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 1473f79..375c28a 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -90,6 +90,7 @@ struct svc_serv {
 	wait_queue_head_t	sv_cb_waitq;	/* sleep here if there are no
 						 * entries in the svc_cb_list
 						 */
+	struct svc_xprt		*bc_xprt;
 #endif /* CONFIG_NFS_V4_1 */
 };
 
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index fac3e6d..2477b65 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -491,6 +491,10 @@ svc_destroy(struct svc_serv *serv)
 	if (svc_serv_is_pooled(serv))
 		svc_pool_map_put();
 
+#if defined(CONFIG_NFS_V4_1)
+	svc_sock_destroy(serv->bc_xprt);
+#endif /* CONFIG_NFS_V4_1 */
+
 	/* Unregister service with the portmapper */
 	svc_register(serv, 0, 0);
 	kfree(serv->sv_pools);
-- 
1.5.3.3