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authorChuck Lever <chuck.lever@oracle.com>2008-07-14 16:03:29 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-07-15 18:08:51 -0400
commitbabe80eb4994dfdc97d5be19a68b5af66d667585 (patch)
tree2acdcc7ba99ffed0ab66b21e627f77dd1d3d82bc /net/sunrpc/rpcb_clnt.c
parent423d8b064771f5cd8b706a4839b18db9bb6c3c59 (diff)
downloadlwn-babe80eb4994dfdc97d5be19a68b5af66d667585.tar.gz
lwn-babe80eb4994dfdc97d5be19a68b5af66d667585.zip
SUNRPC: Refactor rpcb_register to make rpcbindv4 support easier
rpcbind version 4 registration will reuse part of rpcb_register, so just split it out into a separate function now. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/rpcb_clnt.c')
-rw-r--r--net/sunrpc/rpcb_clnt.c48
1 files changed, 30 insertions, 18 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 691bd216f469..8b75c306e661 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -168,6 +168,30 @@ 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
@@ -189,33 +213,21 @@ 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);
}
/**