提交 cdf47706 编写于 作者: A Andreas Gruenbacher 提交者: Trond Myklebust

[PATCH] RPC: Return -EPFNOSUPPORT for RPC programs that are unavailable

Signed-off-by: NAndreas Gruenbacher <agruen@suse.de>
Signed-off-by: NOlaf Kirch <okir@suse.de>
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
上级 6a19275a
......@@ -1021,10 +1021,11 @@ call_verify(struct rpc_task *task)
case RPC_AUTH_ERROR:
break;
case RPC_MISMATCH:
printk(KERN_WARNING "%s: RPC call version mismatch!\n", __FUNCTION__);
goto out_eio;
dprintk("%s: RPC call version mismatch!\n", __FUNCTION__);
error = -EPROTONOSUPPORT;
goto out_err;
default:
printk(KERN_WARNING "%s: RPC call rejected, unknown error: %x\n", __FUNCTION__, n);
dprintk("%s: RPC call rejected, unknown error: %x\n", __FUNCTION__, n);
goto out_eio;
}
if (--len < 0)
......@@ -1075,23 +1076,26 @@ call_verify(struct rpc_task *task)
case RPC_SUCCESS:
return p;
case RPC_PROG_UNAVAIL:
printk(KERN_WARNING "RPC: call_verify: program %u is unsupported by server %s\n",
dprintk("RPC: call_verify: program %u is unsupported by server %s\n",
(unsigned int)task->tk_client->cl_prog,
task->tk_client->cl_server);
goto out_eio;
error = -EPFNOSUPPORT;
goto out_err;
case RPC_PROG_MISMATCH:
printk(KERN_WARNING "RPC: call_verify: program %u, version %u unsupported by server %s\n",
dprintk("RPC: call_verify: program %u, version %u unsupported by server %s\n",
(unsigned int)task->tk_client->cl_prog,
(unsigned int)task->tk_client->cl_vers,
task->tk_client->cl_server);
goto out_eio;
error = -EPROTONOSUPPORT;
goto out_err;
case RPC_PROC_UNAVAIL:
printk(KERN_WARNING "RPC: call_verify: proc %p unsupported by program %u, version %u on server %s\n",
dprintk("RPC: call_verify: proc %p unsupported by program %u, version %u on server %s\n",
task->tk_msg.rpc_proc,
task->tk_client->cl_prog,
task->tk_client->cl_vers,
task->tk_client->cl_server);
goto out_eio;
error = -EOPNOTSUPP;
goto out_err;
case RPC_GARBAGE_ARGS:
dprintk("RPC: %4d %s: server saw garbage\n", task->tk_pid, __FUNCTION__);
break; /* retry */
......@@ -1104,7 +1108,7 @@ call_verify(struct rpc_task *task)
task->tk_client->cl_stats->rpcgarbage++;
if (task->tk_garb_retry) {
task->tk_garb_retry--;
dprintk(KERN_WARNING "RPC %s: retrying %4d\n", __FUNCTION__, task->tk_pid);
dprintk("RPC %s: retrying %4d\n", __FUNCTION__, task->tk_pid);
task->tk_action = call_bind;
return NULL;
}
......
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