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SUNRPC: introduce svc helpers for prepairing rpcbind infrastructure 

This helpers will be used only for those services, that will send portmapper
registration calls.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Stanislav Kinsbursky 2011-10-25 14:16:58 +03:00 committed by Trond Myklebust
parent 253fb070e7
commit d99085605c
3 changed files with 38 additions and 1 deletions
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2
include/linux/sunrpc/clnt.h
View File

@ -136,6 +136,8 @@ void rpc_shutdown_client(struct rpc_clnt *);
void rpc_release_client(struct rpc_clnt *);
void rpc_task_release_client(struct rpc_task *);
int rpcb_create_local(void);
void rpcb_put_local(void);
int rpcb_register(u32, u32, int, unsigned short);
int rpcb_v4_register(const u32 program, const u32 version,
const struct sockaddr *address,

2
net/sunrpc/rpcb_clnt.c
View File

@ -320,7 +320,7 @@ out:
* Returns zero on success, otherwise a negative errno value
* is returned.
*/
static int rpcb_create_local(void)
int rpcb_create_local(void)
{
static DEFINE_MUTEX(rpcb_create_local_mutex);
int result = 0;

35
net/sunrpc/svc.c
View File

@ -354,6 +354,41 @@ svc_pool_for_cpu(struct svc_serv *serv, int cpu)
return &serv->sv_pools[pidx % serv->sv_nrpools];
}
static int svc_rpcb_setup(struct svc_serv *serv)
{
int err;
err = rpcb_create_local();
if (err)
return err;
/* Remove any stale portmap registrations */
svc_unregister(serv);
return 0;
}
static void svc_rpcb_cleanup(struct svc_serv *serv)
{
svc_unregister(serv);
rpcb_put_local();
}
static int svc_uses_rpcbind(struct svc_serv *serv)
{
struct svc_program *progp;
unsigned int i;
for (progp = serv->sv_program; progp; progp = progp->pg_next) {
for (i = 0; i < progp->pg_nvers; i++) {
if (progp->pg_vers[i] == NULL)
continue;
if (progp->pg_vers[i]->vs_hidden == 0)
return 1;
}
}
return 0;
}
/*
* Create an RPC service