diff options
| -rw-r--r-- | net/sunrpc/xprt.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index e741ec2b4d8e..898485e3ece4 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -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); @@ -1445,6 +1445,23 @@ 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 +1471,19 @@ 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) |