summaryrefslogtreecommitdiff
path: root/net/sunrpc/xprt.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sunrpc/xprt.c')
-rw-r--r--net/sunrpc/xprt.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index e741ec2b4d8e..6160d17a31c4 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -696,9 +696,9 @@ xprt_schedule_autodisconnect(struct rpc_xprt *xprt)
}
static void
-xprt_init_autodisconnect(unsigned long data)
+xprt_init_autodisconnect(struct timer_list *t)
{
- struct rpc_xprt *xprt = (struct rpc_xprt *)data;
+ struct rpc_xprt *xprt = from_timer(xprt, t, timer);
spin_lock(&xprt->transport_lock);
if (!list_empty(&xprt->recv))
@@ -1333,7 +1333,7 @@ void xprt_release(struct rpc_task *task)
rpc_count_iostats(task, task->tk_client->cl_metrics);
spin_lock(&xprt->recv_lock);
if (!list_empty(&req->rq_list)) {
- list_del(&req->rq_list);
+ list_del_init(&req->rq_list);
xprt_wait_on_pinned_rqst(req);
}
spin_unlock(&xprt->recv_lock);
@@ -1422,10 +1422,9 @@ found:
xprt->idle_timeout = 0;
INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
if (xprt_has_timer(xprt))
- setup_timer(&xprt->timer, xprt_init_autodisconnect,
- (unsigned long)xprt);
+ timer_setup(&xprt->timer, xprt_init_autodisconnect, 0);
else
- init_timer(&xprt->timer);
+ timer_setup(&xprt->timer, NULL, 0);
if (strlen(args->servername) > RPC_MAXNETNAMELEN) {
xprt_destroy(xprt);
@@ -1445,6 +1444,23 @@ out:
return xprt;
}
+static void xprt_destroy_cb(struct work_struct *work)
+{
+ struct rpc_xprt *xprt =
+ container_of(work, struct rpc_xprt, task_cleanup);
+
+ rpc_xprt_debugfs_unregister(xprt);
+ rpc_destroy_wait_queue(&xprt->binding);
+ rpc_destroy_wait_queue(&xprt->pending);
+ rpc_destroy_wait_queue(&xprt->sending);
+ rpc_destroy_wait_queue(&xprt->backlog);
+ kfree(xprt->servername);
+ /*
+ * Tear down transport state and free the rpc_xprt
+ */
+ xprt->ops->destroy(xprt);
+}
+
/**
* xprt_destroy - destroy an RPC transport, killing off all requests.
* @xprt: transport to destroy
@@ -1454,22 +1470,19 @@ static void xprt_destroy(struct rpc_xprt *xprt)
{
dprintk("RPC: destroying transport %p\n", xprt);
- /* Exclude transport connect/disconnect handlers */
+ /*
+ * Exclude transport connect/disconnect handlers and autoclose
+ */
wait_on_bit_lock(&xprt->state, XPRT_LOCKED, TASK_UNINTERRUPTIBLE);
del_timer_sync(&xprt->timer);
- rpc_xprt_debugfs_unregister(xprt);
- rpc_destroy_wait_queue(&xprt->binding);
- rpc_destroy_wait_queue(&xprt->pending);
- rpc_destroy_wait_queue(&xprt->sending);
- rpc_destroy_wait_queue(&xprt->backlog);
- cancel_work_sync(&xprt->task_cleanup);
- kfree(xprt->servername);
/*
- * Tear down transport state and free the rpc_xprt
+ * Destroy sockets etc from the system workqueue so they can
+ * safely flush receive work running on rpciod.
*/
- xprt->ops->destroy(xprt);
+ INIT_WORK(&xprt->task_cleanup, xprt_destroy_cb);
+ schedule_work(&xprt->task_cleanup);
}
static void xprt_destroy_kref(struct kref *kref)