From aa4d71edd60941bc05d2a0efe1e98a67c5dd59b7 Mon Sep 17 00:00:00 2001 From: Meena Shanmugam Date: Wed, 18 May 2022 18:40:09 +0000 Subject: [PATCH] SUNRPC: Prevent immediate close+reconnect From: Trond Myklebust commit 3be232f11a3cc9b0ef0795e39fa11bdb8e422a06 upstream. If we have already set up the socket and are waiting for it to connect, then don't immediately close and retry. Signed-off-by: Trond Myklebust Signed-off-by: Meena Shanmugam Signed-off-by: Greg Kroah-Hartman --- net/sunrpc/xprt.c | 3 ++- net/sunrpc/xprtsock.c | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index a7dedc12c982..68d08dcba018 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -722,7 +722,8 @@ EXPORT_SYMBOL_GPL(xprt_disconnect_done); */ static void xprt_schedule_autoclose_locked(struct rpc_xprt *xprt) { - set_bit(XPRT_CLOSE_WAIT, &xprt->state); + if (test_and_set_bit(XPRT_CLOSE_WAIT, &xprt->state)) + return; if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0) queue_work(xprtiod_workqueue, &xprt->task_cleanup); else if (xprt->snd_task && !test_bit(XPRT_SND_IS_COOKIE, &xprt->state)) diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 43bc02dea80c..49ba817f4fb6 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2469,7 +2469,7 @@ static void xs_connect(struct rpc_xprt *xprt, struct rpc_task *task) WARN_ON_ONCE(!xprt_lock_connect(xprt, task, transport)); - if (transport->sock != NULL) { + if (transport->sock != NULL && !xprt_connecting(xprt)) { dprintk("RPC: xs_connect delayed xprt %p for %lu " "seconds\n", xprt, xprt->reestablish_timeout / HZ);