diff options
| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-10-26 18:01:07 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-11-04 19:46:19 -0400 |
| commit | 3be232f11a3cc9b0ef0795e39fa11bdb8e422a06 (patch) | |
| tree | 273fc671f6aa2652a503818ba1b35f69fafcd751 | |
| parent | SUNRPC: Fix races when closing the socket (diff) | |
| download | linux-dev-3be232f11a3cc9b0ef0795e39fa11bdb8e422a06.tar.xz linux-dev-3be232f11a3cc9b0ef0795e39fa11bdb8e422a06.zip | |
SUNRPC: Prevent immediate close+reconnect
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 <trond.myklebust@hammerspace.com>
| -rw-r--r-- | net/sunrpc/xprt.c | 3 | ||||
| -rw-r--r-- | 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 691fe5a682b6..a02de2bddb28 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -767,7 +767,8 @@ 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 7fb302e202bc..ae48c9c84ee1 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2314,7 +2314,7 @@ 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); |