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Commit 00a6e7bb authored by Chuck Lever's avatar Chuck Lever Committed by Trond Myklebust
Browse files

SUNRPC: RPC client should retry with different versions of rpcbind 



Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 4c2eaf07

fs/Kconfig

+12 −0
Original line number Diff line number Diff line
@@ -1734,6 +1734,18 @@ config SUNRPC 
config SUNRPC_GSS

	tristate



config SUNRPC_BIND34

	bool "Support for rpcbind versions 3 & 4 (EXPERIMENTAL)"

	depends on SUNRPC && EXPERIMENTAL

	help

	  Provides kernel support for querying rpcbind servers via versions 3

	  and 4 of the rpcbind protocol.  The kernel automatically falls back

	  to version 2 if a remote rpcbind service does not support versions

	  3 or 4.



	  If unsure, say N to get traditional behavior (version 2 rpcbind

	  requests only).



config RPCSEC_GSS_KRB5

	tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"

	depends on SUNRPC && EXPERIMENTAL

net/sunrpc/clnt.c

+4 −2
Original line number Diff line number Diff line
@@ -902,9 +902,11 @@ call_bind_status(struct rpc_task *task) 
				task->tk_pid);

		break;

	case -EPROTONOSUPPORT:

		dprintk("RPC: %5u remote rpcbind version 2 unavailable\n",

		dprintk("RPC: %5u remote rpcbind version unavailable, retrying\n",

				task->tk_pid);

		break;

		task->tk_status = 0;

		task->tk_action = call_bind;

		return;

	default:

		dprintk("RPC: %5u unrecognized rpcbind error (%d)\n",

				task->tk_pid, -task->tk_status);