diff options
Diffstat (limited to 'net/sunrpc/clnt.c')
| -rw-r--r-- | net/sunrpc/clnt.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 22c28cf43eba..e2c6eca0271b 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -76,6 +76,7 @@ static int rpc_encode_header(struct rpc_task *task, static int rpc_decode_header(struct rpc_task *task, struct xdr_stream *xdr); static int rpc_ping(struct rpc_clnt *clnt); +static int rpc_ping_noreply(struct rpc_clnt *clnt); static void rpc_check_timeout(struct rpc_task *task); static void rpc_register_client(struct rpc_clnt *clnt) @@ -479,9 +480,12 @@ static struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args, if (!(args->flags & RPC_CLNT_CREATE_NOPING)) { int err = rpc_ping(clnt); - if ((args->flags & RPC_CLNT_CREATE_IGNORE_NULL_UNAVAIL) && - err == -EOPNOTSUPP) - err = 0; + if (err != 0) { + rpc_shutdown_client(clnt); + return ERR_PTR(err); + } + } else if (args->flags & RPC_CLNT_CREATE_CONNECTED) { + int err = rpc_ping_noreply(clnt); if (err != 0) { rpc_shutdown_client(clnt); return ERR_PTR(err); @@ -2712,6 +2716,10 @@ static const struct rpc_procinfo rpcproc_null = { .p_decode = rpcproc_decode_null, }; +static const struct rpc_procinfo rpcproc_null_noreply = { + .p_encode = rpcproc_encode_null, +}; + static void rpc_null_call_prepare(struct rpc_task *task, void *data) { @@ -2765,6 +2773,28 @@ static int rpc_ping(struct rpc_clnt *clnt) return status; } +static int rpc_ping_noreply(struct rpc_clnt *clnt) +{ + struct rpc_message msg = { + .rpc_proc = &rpcproc_null_noreply, + }; + struct rpc_task_setup task_setup_data = { + .rpc_client = clnt, + .rpc_message = &msg, + .callback_ops = &rpc_null_ops, + .flags = RPC_TASK_SOFT | RPC_TASK_SOFTCONN | RPC_TASK_NULLCREDS, + }; + struct rpc_task *task; + int status; + + task = rpc_run_task(&task_setup_data); + if (IS_ERR(task)) + return PTR_ERR(task); + status = task->tk_status; + rpc_put_task(task); + return status; +} + struct rpc_cb_add_xprt_calldata { struct rpc_xprt_switch *xps; struct rpc_xprt *xprt; |