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SUNRPC: Rename rpcb_getport_external routine

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In preparation for handling NFS mount option parsing in the kernel,
rename rpcb_getport_external as rpcb_get_port_sync, and make it available
always (instead of only when CONFIG_ROOT_NFS is enabled).

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 2007-07-01 12:13:12 -04:00 committed by Trond Myklebust
parent f7fb558e50
commit cce63cd637
3 changed files with 14 additions and 16 deletions
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2
fs/nfs/nfsroot.c
View File

@ -428,7 +428,7 @@ static int __init root_nfs_getport(int program, int version, int proto)
printk(KERN_NOTICE "Looking up port of RPC %d/%d on %u.%u.%u.%u\n",
program, version, NIPQUAD(servaddr));
set_sockaddr(&sin, servaddr, 0);
return rpcb_getport_external(&sin, program, version, proto);
return rpcb_getport_sync(&sin, program, version, proto);
}

7
include/linux/sunrpc/clnt.h
View File

@ -120,8 +120,10 @@ struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,
struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);
void rpc_shutdown_client(struct rpc_clnt *);
void rpc_release_client(struct rpc_clnt *);
int rpcb_register(u32, u32, int, unsigned short, int *);
void rpcb_getport(struct rpc_task *);
int rpcb_getport_sync(struct sockaddr_in *, __u32, __u32, int);
void rpc_call_setup(struct rpc_task *, struct rpc_message *, int);
@ -141,10 +143,5 @@ void rpc_force_rebind(struct rpc_clnt *);
size_t rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
char * rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
/*
* Helper function for NFSroot support
*/
int rpcb_getport_external(struct sockaddr_in *, __u32, __u32, int);
#endif /* __KERNEL__ */
#endif /* _LINUX_SUNRPC_CLNT_H */

21
net/sunrpc/rpcb_clnt.c
View File

@ -12,6 +12,8 @@
* Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/kernel.h>
@ -247,21 +249,20 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay)
return error;
}
#ifdef CONFIG_ROOT_NFS
/**
* rpcb_getport_external - obtain the port for an RPC service on a given host
* rpcb_getport_sync - obtain the port for an RPC service on a given host
* @sin: address of remote peer
* @prog: RPC program number to bind
* @vers: RPC version number to bind
* @prot: transport protocol to use to make this request
*
* Called from outside the RPC client in a synchronous task context.
* Uses default timeout parameters specified by underlying transport.
*
* For now, this supports only version 2 queries, but is used only by
* mount_clnt for NFS_ROOT.
* XXX: Needs to support IPv6, and rpcbind versions 3 and 4
*/
int rpcb_getport_external(struct sockaddr_in *sin, __u32 prog,
__u32 vers, int prot)
int rpcb_getport_sync(struct sockaddr_in *sin, __u32 prog,
__u32 vers, int prot)
{
struct rpcbind_args map = {
.r_prog = prog,
@ -278,10 +279,10 @@ int rpcb_getport_external(struct sockaddr_in *sin, __u32 prog,
char hostname[40];
int status;
dprintk("RPC: rpcb_getport_external(%u.%u.%u.%u, %u, %u, %d)\n",
NIPQUAD(sin->sin_addr.s_addr), prog, vers, prot);
dprintk("RPC: %s(" NIPQUAD_FMT ", %u, %u, %d)\n",
__FUNCTION__, NIPQUAD(sin->sin_addr.s_addr), prog, vers, prot);
sprintf(hostname, "%u.%u.%u.%u", NIPQUAD(sin->sin_addr.s_addr));
sprintf(hostname, NIPQUAD_FMT, NIPQUAD(sin->sin_addr.s_addr));
rpcb_clnt = rpcb_create(hostname, (struct sockaddr *)sin, prot, 2, 0);
if (IS_ERR(rpcb_clnt))
return PTR_ERR(rpcb_clnt);
@ -296,7 +297,7 @@ int rpcb_getport_external(struct sockaddr_in *sin, __u32 prog,
}
return status;
}
#endif
EXPORT_SYMBOL_GPL(rpcb_getport_sync);
/**
* rpcb_getport - obtain the port for a given RPC service on a given host