2008-04-14 16:29:03

by Chuck Lever III

[permalink] [raw]
Subject: [PATCH 17/24] SUNRPC: Refactor rpcb_register to make rpcbindv4 support easier

rpcbindv4 registration will reuse part of rpcb_register, so just split it out
into a separate function now.

Signed-off-by: Chuck Lever <[email protected]>
---

net/sunrpc/rpcb_clnt.c | 48 ++++++++++++++++++++++++++++++------------------
1 files changed, 30 insertions(+), 18 deletions(-)

diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 8590f4a..eb2bffe 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -164,6 +164,30 @@ static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr,
return rpc_create(&args);
}

+static int rpcb_register_call(struct sockaddr *addr, size_t addrlen,
+ u32 version, struct rpc_message *msg,
+ int *result)
+{
+ struct rpc_clnt *rpcb_clnt;
+ int error = 0;
+
+ *result = 0;
+
+ rpcb_clnt = rpcb_create_local(addr, addrlen, version);
+ if (!IS_ERR(rpcb_clnt)) {
+ error = rpc_call_sync(rpcb_clnt, msg, 0);
+ rpc_shutdown_client(rpcb_clnt);
+ } else
+ error = PTR_ERR(rpcb_clnt);
+
+ if (error < 0)
+ printk(KERN_WARNING "RPC: failed to contact local rpcbind "
+ "server (errno %d).\n", -error);
+ dprintk("RPC: registration status %d/%d\n", error, *result);
+
+ return error;
+}
+
/**
* rpcb_register - set or unset a port registration with the local rpcbind svc
* @prog: RPC program number to bind
@@ -185,33 +209,21 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay)
.r_port = port,
};
struct rpc_message msg = {
- .rpc_proc = &rpcb_procedures2[port ?
- RPCBPROC_SET : RPCBPROC_UNSET],
.rpc_argp = &map,
.rpc_resp = okay,
};
- struct rpc_clnt *rpcb_clnt;
- int error = 0;

dprintk("RPC: %sregistering (%u, %u, %d, %u) with local "
"rpcbind\n", (port ? "" : "un"),
prog, vers, prot, port);

- rpcb_clnt = rpcb_create_local((struct sockaddr *)&rpcb_inaddr_loopback,
- sizeof(rpcb_inaddr_loopback),
- RPCBVERS_2);
- if (!IS_ERR(rpcb_clnt)) {
- error = rpc_call_sync(rpcb_clnt, &msg, 0);
- rpc_shutdown_client(rpcb_clnt);
- } else
- error = PTR_ERR(rpcb_clnt);
+ msg.rpc_proc = &rpcb_procedures2[RPCBPROC_UNSET];
+ if (port)
+ msg.rpc_proc = &rpcb_procedures2[RPCBPROC_SET];

- if (error < 0)
- printk(KERN_WARNING "RPC: failed to contact local rpcbind "
- "server (errno %d).\n", -error);
- dprintk("RPC: registration status %d/%d\n", error, *okay);
-
- return error;
+ return rpcb_register_call((struct sockaddr *)&rpcb_inaddr_loopback,
+ sizeof(rpcb_inaddr_loopback),
+ RPCBVERS_2, &msg, okay);
}

/**