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Diffstat (limited to 'net/sunrpc/rpcb_clnt.c')
-rw-r--r--net/sunrpc/rpcb_clnt.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 9a20f380ab09..fc881a675eb9 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -12,6 +12,8 @@
12 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> 12 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
13 */ 13 */
14 14
15#include <linux/module.h>
16
15#include <linux/types.h> 17#include <linux/types.h>
16#include <linux/socket.h> 18#include <linux/socket.h>
17#include <linux/kernel.h> 19#include <linux/kernel.h>
@@ -247,21 +249,20 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay)
247 return error; 249 return error;
248} 250}
249 251
250#ifdef CONFIG_ROOT_NFS
251/** 252/**
252 * rpcb_getport_external - obtain the port for an RPC service on a given host 253 * rpcb_getport_sync - obtain the port for an RPC service on a given host
253 * @sin: address of remote peer 254 * @sin: address of remote peer
254 * @prog: RPC program number to bind 255 * @prog: RPC program number to bind
255 * @vers: RPC version number to bind 256 * @vers: RPC version number to bind
256 * @prot: transport protocol to use to make this request 257 * @prot: transport protocol to use to make this request
257 * 258 *
258 * Called from outside the RPC client in a synchronous task context. 259 * Called from outside the RPC client in a synchronous task context.
260 * Uses default timeout parameters specified by underlying transport.
259 * 261 *
260 * For now, this supports only version 2 queries, but is used only by 262 * XXX: Needs to support IPv6, and rpcbind versions 3 and 4
261 * mount_clnt for NFS_ROOT.
262 */ 263 */
263int rpcb_getport_external(struct sockaddr_in *sin, __u32 prog, 264int rpcb_getport_sync(struct sockaddr_in *sin, __u32 prog,
264 __u32 vers, int prot) 265 __u32 vers, int prot)
265{ 266{
266 struct rpcbind_args map = { 267 struct rpcbind_args map = {
267 .r_prog = prog, 268 .r_prog = prog,
@@ -278,10 +279,10 @@ int rpcb_getport_external(struct sockaddr_in *sin, __u32 prog,
278 char hostname[40]; 279 char hostname[40];
279 int status; 280 int status;
280 281
281 dprintk("RPC: rpcb_getport_external(%u.%u.%u.%u, %u, %u, %d)\n", 282 dprintk("RPC: %s(" NIPQUAD_FMT ", %u, %u, %d)\n",
282 NIPQUAD(sin->sin_addr.s_addr), prog, vers, prot); 283 __FUNCTION__, NIPQUAD(sin->sin_addr.s_addr), prog, vers, prot);
283 284
284 sprintf(hostname, "%u.%u.%u.%u", NIPQUAD(sin->sin_addr.s_addr)); 285 sprintf(hostname, NIPQUAD_FMT, NIPQUAD(sin->sin_addr.s_addr));
285 rpcb_clnt = rpcb_create(hostname, (struct sockaddr *)sin, prot, 2, 0); 286 rpcb_clnt = rpcb_create(hostname, (struct sockaddr *)sin, prot, 2, 0);
286 if (IS_ERR(rpcb_clnt)) 287 if (IS_ERR(rpcb_clnt))
287 return PTR_ERR(rpcb_clnt); 288 return PTR_ERR(rpcb_clnt);
@@ -296,7 +297,7 @@ int rpcb_getport_external(struct sockaddr_in *sin, __u32 prog,
296 } 297 }
297 return status; 298 return status;
298} 299}
299#endif 300EXPORT_SYMBOL_GPL(rpcb_getport_sync);
300 301
301/** 302/**
302 * rpcb_getport - obtain the port for a given RPC service on a given host 303 * rpcb_getport - obtain the port for a given RPC service on a given host