Signed-off-by: Kirill A. Shutemov <[email protected]>
---
 include/linux/sunrpc/clnt.h |    4 ++--
 net/sunrpc/rpcb_clnt.c      |   22 ++++++++++++----------
 net/sunrpc/svc.c            |   34 +++++++++++++++++++++-------------
 3 files changed, 35 insertions(+), 25 deletions(-)

diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index dffaaaa..52f6142 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -135,10 +135,10 @@ void              rpc_shutdown_client(struct rpc_clnt *);
 void           rpc_release_client(struct rpc_clnt *);
 void           rpc_task_release_client(struct rpc_task *);
 
-int            rpcb_register(u32, u32, int, unsigned short);
+int            rpcb_register(u32, u32, int, unsigned short, struct vfsmount *);
 int            rpcb_v4_register(const u32 program, const u32 version,
                                 const struct sockaddr *address,
-                                const char *netid);
+                                const char *netid, struct vfsmount *rpcmount);
 void           rpcb_getport_async(struct rpc_task *);
 
 void           rpc_call_start(struct rpc_task *);
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index b059cbe..7fddafa 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -27,7 +27,6 @@
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/xprtsock.h>
-#include <linux/sunrpc/rpc_pipe_fs.h>
 
 #ifdef RPC_DEBUG
 # define RPCDBG_FACILITY       RPCDBG_BIND
@@ -171,7 +170,7 @@ static DEFINE_MUTEX(rpcb_create_local_mutex);
  * Returns zero on success, otherwise a negative errno value
  * is returned.
  */
-static int rpcb_create_local(void)
+static int rpcb_create_local(struct vfsmount *rpcmount)
 {
        struct rpc_create_args args = {
                .net            = &init_net,
@@ -183,7 +182,7 @@ static int rpcb_create_local(void)
                .version        = RPCBVERS_2,
                .authflavor     = RPC_AUTH_UNIX,
                .flags          = RPC_CLNT_CREATE_NOPING,
-               .rpcmount       = init_rpc_pipefs,
+               .rpcmount       = rpcmount,
        };
        struct rpc_clnt *clnt, *clnt4;
        int result = 0;
@@ -225,7 +224,8 @@ out:
 }
 
 static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr,
-                                   size_t salen, int proto, u32 version)
+                                   size_t salen, int proto, u32 version,
+                                   struct vfsmount *rpcmount)
 {
        struct rpc_create_args args = {
                .net            = &init_net,
@@ -238,7 +238,7 @@ static struct rpc_clnt *rpcb_create(char *hostname, struct 
sockaddr *srvaddr,
                .authflavor     = RPC_AUTH_UNIX,
                .flags          = (RPC_CLNT_CREATE_NOPING |
                                        RPC_CLNT_CREATE_NONPRIVPORT),
-               .rpcmount       = init_rpc_pipefs,
+               .rpcmount       = rpcmount,
        };
 
        switch (srvaddr->sa_family) {
@@ -305,7 +305,8 @@ static int rpcb_register_call(struct rpc_clnt *clnt, struct 
rpc_message *msg)
  * IN6ADDR_ANY (ie available for all AF_INET and AF_INET6
  * addresses).
  */
-int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port)
+int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port,
+               struct vfsmount *rpcmount)
 {
        struct rpcbind_args map = {
                .r_prog         = prog,
@@ -318,7 +319,7 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned 
short port)
        };
        int error;
 
-       error = rpcb_create_local();
+       error = rpcb_create_local(rpcmount);
        if (error)
                return error;
 
@@ -445,7 +446,8 @@ static int rpcb_unregister_all_protofamilies(struct 
rpc_message *msg)
  * advertises the service on all IPv4 and IPv6 addresses.
  */
 int rpcb_v4_register(const u32 program, const u32 version,
-                    const struct sockaddr *address, const char *netid)
+                    const struct sockaddr *address, const char *netid,
+                    struct vfsmount *rpcmount)
 {
        struct rpcbind_args map = {
                .r_prog         = program,
@@ -458,7 +460,7 @@ int rpcb_v4_register(const u32 program, const u32 version,
        };
        int error;
 
-       error = rpcb_create_local();
+       error = rpcb_create_local(rpcmount);
        if (error)
                return error;
        if (rpcb_local_clnt4 == NULL)
@@ -594,7 +596,7 @@ void rpcb_getport_async(struct rpc_task *task)
                task->tk_pid, __func__, bind_version);
 
        rpcb_clnt = rpcb_create(clnt->cl_server, sap, salen, xprt->prot,
-                               bind_version);
+                               bind_version, clnt->cl_path.mnt);
        if (IS_ERR(rpcb_clnt)) {
                status = PTR_ERR(rpcb_clnt);
                dprintk("RPC: %5u %s: rpcb_create failed, error %ld\n",
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 8472798..4d0b45a 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -739,7 +739,8 @@ EXPORT_SYMBOL_GPL(svc_exit_thread);
  */
 static int __svc_rpcb_register4(const u32 program, const u32 version,
                                const unsigned short protocol,
-                               const unsigned short port)
+                               const unsigned short port,
+                               struct vfsmount *rpcmount)
 {
        const struct sockaddr_in sin = {
                .sin_family             = AF_INET,
@@ -761,14 +762,16 @@ static int __svc_rpcb_register4(const u32 program, const 
u32 version,
        }
 
        error = rpcb_v4_register(program, version,
-                                       (const struct sockaddr *)&sin, netid);
+                                       (const struct sockaddr *)&sin, netid,
+                                       rpcmount);
 
        /*
         * User space didn't support rpcbind v4, so retry this
         * registration request with the legacy rpcbind v2 protocol.
         */
        if (error == -EPROTONOSUPPORT)
-               error = rpcb_register(program, version, protocol, port);
+               error = rpcb_register(program, version, protocol, port,
+                               rpcmount);
 
        return error;
 }
@@ -786,7 +789,8 @@ static int __svc_rpcb_register4(const u32 program, const 
u32 version,
  */
 static int __svc_rpcb_register6(const u32 program, const u32 version,
                                const unsigned short protocol,
-                               const unsigned short port)
+                               const unsigned short port,
+                               struct vfsmount *rpcmount)
 {
        const struct sockaddr_in6 sin6 = {
                .sin6_family            = AF_INET6,
@@ -808,7 +812,8 @@ static int __svc_rpcb_register6(const u32 program, const 
u32 version,
        }
 
        error = rpcb_v4_register(program, version,
-                                       (const struct sockaddr *)&sin6, netid);
+                                       (const struct sockaddr *)&sin6, netid,
+                                       rpcmount);
 
        /*
         * User space didn't support rpcbind version 4, so we won't
@@ -831,19 +836,20 @@ static int __svc_register(const char *progname,
                          const u32 program, const u32 version,
                          const int family,
                          const unsigned short protocol,
-                         const unsigned short port)
+                         const unsigned short port,
+                         struct vfsmount *rpcmount)
 {
        int error = -EAFNOSUPPORT;
 
        switch (family) {
        case PF_INET:
                error = __svc_rpcb_register4(program, version,
-                                               protocol, port);
+                                               protocol, port, rpcmount);
                break;
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
        case PF_INET6:
                error = __svc_rpcb_register6(program, version,
-                                               protocol, port);
+                                               protocol, port, rpcmount);
 #endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
        }
 
@@ -889,7 +895,8 @@ int svc_register(const struct svc_serv *serv, const int 
family,
                                continue;
 
                        error = __svc_register(progp->pg_name, progp->pg_prog,
-                                               i, family, proto, port);
+                                               i, family, proto, port,
+                                               serv->sv_rpcmount);
                        if (error < 0)
                                break;
                }
@@ -906,18 +913,18 @@ int svc_register(const struct svc_serv *serv, const int 
family,
  * in this case to clear all existing entries for [program, version].
  */
 static void __svc_unregister(const u32 program, const u32 version,
-                            const char *progname)
+                            const char *progname, struct vfsmount *rpcmount)
 {
        int error;
 
-       error = rpcb_v4_register(program, version, NULL, "");
+       error = rpcb_v4_register(program, version, NULL, "", rpcmount);
 
        /*
         * User space didn't support rpcbind v4, so retry this
         * request with the legacy rpcbind v2 protocol.
         */
        if (error == -EPROTONOSUPPORT)
-               error = rpcb_register(program, version, 0, 0);
+               error = rpcb_register(program, version, 0, 0, rpcmount);
 
        dprintk("svc: %s(%sv%u), error %d\n",
                        __func__, progname, version, error);
@@ -946,7 +953,8 @@ static void svc_unregister(const struct svc_serv *serv)
                        if (progp->pg_vers[i]->vs_hidden)
                                continue;
 
-                       __svc_unregister(progp->pg_prog, i, progp->pg_name);
+                       __svc_unregister(progp->pg_prog, i, progp->pg_name,
+                                       serv->sv_rpcmount);
                }
        }
 
-- 
1.7.3.4

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