nfs41: sunrpc: Export the call prepare state for session reset

Signed-off-by: Andy Adamson<andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

2 files changed, 14 insertions, 1 deletions

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 5abab094441f..d00e8135f866 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -695,6 +695,19 @@ void rpc_force_rebind(struct rpc_clnt *clnt)
 EXPORT_SYMBOL_GPL(rpc_force_rebind);
 
 /*
+ * Restart an (async) RPC call from the call_prepare state.
+ * Usually called from within the exit handler.
+ */
+void
+rpc_restart_call_prepare(struct rpc_task *task)
+{
+        if (RPC_ASSASSINATED(task))
+                return;
+        task->tk_action = rpc_prepare_task;
+}
+EXPORT_SYMBOL_GPL(rpc_restart_call_prepare);
+
+/*
  * Restart an (async) RPC call. Usually called from within the
  * exit handler.
  */
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index ff50a0546865..1102ce1251f7 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -569,7 +569,7 @@ EXPORT_SYMBOL_GPL(rpc_delay);
 /*
  * Helper to call task->tk_ops->rpc_call_prepare
  */
-static void rpc_prepare_task(struct rpc_task *task)
+void rpc_prepare_task(struct rpc_task *task)
 {
         task->tk_ops->rpc_call_prepare(task, task->tk_calldata);
 }