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authorTrond Myklebust <trondmy@gmail.com>2019-04-07 13:58:52 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-04-25 14:18:13 -0400
commit431235818bc3a919ca7487500c67c3144feece80 (patch)
tree9bdac329431dca9ad1b53f7c7bae05b42a3599b5 /net/sunrpc
parent24a9d9a21e568f494198eea2bb864e0b6c593051 (diff)
SUNRPC: Declare RPC timers as TIMER_DEFERRABLE
Don't wake idle CPUs only for the purpose of servicing an RPC queue timeout. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/sched.c4
-rw-r--r--net/sunrpc/xprt.c4
2 files changed, 6 insertions, 2 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 301e0f7f1dc9..1a12fb03e611 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -249,7 +249,9 @@ static void __rpc_init_priority_wait_queue(struct rpc_wait_queue *queue, const c
queue->maxpriority = nr_queues - 1;
rpc_reset_waitqueue_priority(queue);
queue->qlen = 0;
- timer_setup(&queue->timer_list.timer, __rpc_queue_timer_fn, 0);
+ timer_setup(&queue->timer_list.timer,
+ __rpc_queue_timer_fn,
+ TIMER_DEFERRABLE);
INIT_LIST_HEAD(&queue->timer_list.list);
rpc_assign_waitqueue_name(queue, qname);
}
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 7c3623b17493..36af1a1929af 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1842,7 +1842,9 @@ found:
xprt->idle_timeout = 0;
INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
if (xprt_has_timer(xprt))
- timer_setup(&xprt->timer, xprt_init_autodisconnect, 0);
+ timer_setup(&xprt->timer,
+ xprt_init_autodisconnect,
+ TIMER_DEFERRABLE);
else
timer_setup(&xprt->timer, NULL, 0);