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Subject[PATCH v3 03/11] SUNRPC: introduce svc helpers for prepairing rpcbind infrastructure
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This helpers will be used only for those services, that will send portmapper
registration calls.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>

---
include/linux/sunrpc/clnt.h | 2 ++
net/sunrpc/rpcb_clnt.c | 2 +-
net/sunrpc/svc.c | 18 ++++++++++++++++++
3 files changed, 21 insertions(+), 1 deletions(-)

diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index db7bcaf..1eb437d 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -135,6 +135,8 @@ 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,
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index b3ac194..d42b642 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -317,7 +317,7 @@ 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;
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 6a69a11..f31e5cc 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -354,6 +354,24 @@ 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();
+}

/*
* Create an RPC service


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