SUNRPC: Add cond_resched() at the appropriate point in __rpc_execute()

Allow tasks that need to pre-empt rpciod/xprtiod to do so when it is
safe.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index c045f63d11fa649bbc317906775faf0dbf56f42f..dc46130d46a0b61d008c586b01ae94cad222bd97 100644 (file)
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -903,8 +903,10 @@ static void __rpc_execute(struct rpc_task *task)
                /*
                 * Lockless check for whether task is sleeping or not.
                 */
-               if (!RPC_IS_QUEUED(task))
+               if (!RPC_IS_QUEUED(task)) {
+                       cond_resched();
                        continue;
+               }
 
                /*
                 * Signalled tasks should exit rather than sleep.