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SUNRPC: RPC client should retry with different versions of rpcbind

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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2007-03-29 16:48:33 -04:00 committed by Trond Myklebust
parent 4c2eaf073f
commit 00a6e7bbf9
2 changed files with 16 additions and 2 deletions
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12
fs/Kconfig
View File

@ -1734,6 +1734,18 @@ config SUNRPC
config SUNRPC_GSS config SUNRPC_GSS
tristate 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 config RPCSEC_GSS_KRB5
tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)" tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"
depends on SUNRPC && EXPERIMENTAL depends on SUNRPC && EXPERIMENTAL

6
net/sunrpc/clnt.c
View File

@ -902,9 +902,11 @@ call_bind_status(struct rpc_task *task)
task->tk_pid); task->tk_pid);
break; break;
case -EPROTONOSUPPORT: case -EPROTONOSUPPORT:
dprintk("RPC: %5u remote rpcbind version 2 unavailable\n", dprintk("RPC: %5u remote rpcbind version unavailable, retrying\n",
task->tk_pid); task->tk_pid);
break; task->tk_status = 0;
task->tk_action = call_bind;
return;
default: default:
dprintk("RPC: %5u unrecognized rpcbind error (%d)\n", dprintk("RPC: %5u unrecognized rpcbind error (%d)\n",
task->tk_pid, -task->tk_status); task->tk_pid, -task->tk_status);