SUNRPC: Limit the rpciod workqueue concurrency

We shouldn't need more than 1 worker thread per cpu, since rpciod
is designed to run without sleeping in most cases.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 128494e..6357fcb 100644 (file)
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -1022,7 +1022,7 @@ static int rpciod_start(void)
         * Create the rpciod thread and wait for it to start.
         */
        dprintk("RPC:       creating workqueue rpciod\n");
-       wq = alloc_workqueue("rpciod", WQ_MEM_RECLAIM, 0);
+       wq = alloc_workqueue("rpciod", WQ_MEM_RECLAIM, 1);
        rpciod_workqueue = wq;
        return rpciod_workqueue != NULL;
 }