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Commit d9908560 authored by Stanislav Kinsbursky's avatar Stanislav Kinsbursky Committed by Trond Myklebust
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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: default avatarStanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 253fb070

include/linux/sunrpc/clnt.h

+2 −0
Original line number Diff line number Diff line
@@ -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,

net/sunrpc/rpcb_clnt.c

+1 −1
Original line number Diff line number Diff line
@@ -320,7 +320,7 @@ static int rpcb_create_local_net(void) 
 * 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;

net/sunrpc/svc.c

+35 −0
Original line number Diff line number Diff line
@@ -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