SUNRPC: RPC bind failures should be permanent for NULL requests

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The purpose of an RPC ping (a NULL request) is to determine whether the
remote end is operating and supports the RPC program and version of the
request.

If we do an RPC bind and the remote's rpcbind service says "this
program or service isn't supported" then we have our answer already,
and we should give up immediately.

This is good for the kernel mount client, as it will cause the request
to fail, and then allow an immediate retry with different options.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

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Chuck Lever 2007-09-11 18:00:52 -04:00 • committed by Trond Myklebust

parent 906462af4c

commit b79dc8ced1

1 changed files with 5 additions and 0 deletions

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net/sunrpc/clnt.c

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