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SUNRPC: Allow RPC calls to return ETIMEDOUT instead of EIO

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On occasion, it is useful for the NFS layer to distinguish between
soft timeouts and other EIO errors due to (say) encoding errors,
or authentication errors.

The following patch ensures that the default behaviour of the RPC
layer remains to return EIO on soft timeouts (until we have
audited all the callers).

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2011-04-24 14:28:45 -04:00
parent fd954ae124
commit 7494d00c7b
2 changed files with 6 additions and 2 deletions
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net/sunrpc/clnt.c
+4 -1
View File
@@ -1508,7 +1508,10 @@ call_timeout(struct rpc_task *task)
if (clnt->cl_chatty)
printk(KERN_NOTICE "%s: server %s not responding, timed out\n",
clnt->cl_protname, clnt->cl_server);
rpc_exit(task, -EIO);
if (task->tk_flags & RPC_TASK_TIMEOUT)
rpc_exit(task, -ETIMEDOUT);
else
rpc_exit(task, -EIO);
return;
}