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SUNRPC: Introduce transport switch callout for pluggable rpcbind

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Introduce a clean transport switch API for plugging in different types of
rpcbind mechanisms.  For instance, rpcbind can cleanly replace the
existing portmapper client, or a transport can choose to implement RPC
binding any way it likes.

Test plan:
Destructive testing (unplugging the network temporarily).  Connectathon
with UDP and TCP.  NFSv2/3 and NFSv4 mounting should be carefully checked.
Probably need to rig a server where certain services aren't running, or
that returns an error for some typical operation.

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
2006-08-22 20:06:16 -04:00
committed by Trond Myklebust
parent 5b1eacbcd7
commit bbf7c1dd2a
5 changed files with 7 additions and 5 deletions
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4
net/sunrpc/pmap_clnt.c
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@@ -81,13 +81,13 @@ static inline void pmap_wake_portmap_waiters(struct rpc_xprt *xprt)
/**
* rpc_getport - obtain the port for a given RPC service on a given host
* @task: task that is waiting for portmapper request
* @clnt: controlling rpc_clnt
*
* This one can be called for an ongoing RPC request, and can be used in
* an async (rpciod) context.
*/
void rpc_getport(struct rpc_task *task, struct rpc_clnt *clnt)
void rpc_getport(struct rpc_task *task)
{
struct rpc_clnt *clnt = task->tk_client;
struct rpc_xprt *xprt = task->tk_xprt;
struct sockaddr_in *sap = &xprt->addr;
struct portmap_args *map;