[RFC v4 3/9] SUNRPC: Simplify client shutdown

[Joshua Watt <jpewhacker@gmail.com>]

Use the flag to kill all new tasks when shutting down instead of
repeatedly killing all the pending tasks.

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
---
 net/sunrpc/clnt.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d5eedabf0b4d..c3abcc800f25 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -852,11 +852,9 @@ void rpc_shutdown_client(struct rpc_clnt *clnt)
 			clnt->cl_program->name,
 			rcu_dereference(clnt->cl_xprt)->servername);
 
-	while (!list_empty(&clnt->cl_tasks)) {
-		rpc_killall_tasks(clnt);
-		wait_event_timeout(destroy_wait,
-			list_empty(&clnt->cl_tasks), 1*HZ);
-	}
+	atomic_inc(&clnt->cl_kill_new_tasks);
+	rpc_killall_tasks(clnt);
+	wait_event(destroy_wait, list_empty(&clnt->cl_tasks));
 
 	rpc_release_client(clnt);
 }
-- 
2.13.6