1 files changed, 28 insertions, 16 deletions

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index bb0313ac9e1f..d6686f4786dc 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -75,6 +75,7 @@ enum {
         Opt_acl, Opt_noacl,
         Opt_rdirplus, Opt_nordirplus,
         Opt_sharecache, Opt_nosharecache,
+        Opt_resvport, Opt_noresvport,
 
         /* Mount options that take integer arguments */
         Opt_port,
@@ -129,6 +130,8 @@ static const match_table_t nfs_mount_option_tokens = {
         { Opt_nordirplus, "nordirplus" },
         { Opt_sharecache, "sharecache" },
         { Opt_nosharecache, "nosharecache" },
+        { Opt_resvport, "resvport" },
+        { Opt_noresvport, "noresvport" },
 
         { Opt_port, "port=%u" },
         { Opt_rsize, "rsize=%u" },
@@ -512,7 +515,8 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
                 { NFS_MOUNT_NONLM, ",nolock", "" },
                 { NFS_MOUNT_NOACL, ",noacl", "" },
                 { NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
-                { NFS_MOUNT_UNSHARED, ",nosharecache", ""},
+                { NFS_MOUNT_UNSHARED, ",nosharecache", "" },
+                { NFS_MOUNT_NORESVPORT, ",noresvport", "" },
                 { 0, NULL, NULL }
         };
         const struct proc_nfs_info *nfs_infop;
@@ -1033,6 +1037,12 @@ static int nfs_parse_mount_options(char *raw,
                 case Opt_nosharecache:
                         mnt->flags |= NFS_MOUNT_UNSHARED;
                         break;
+                case Opt_resvport:
+                        mnt->flags &= ~NFS_MOUNT_NORESVPORT;
+                        break;
+                case Opt_noresvport:
+                        mnt->flags |= NFS_MOUNT_NORESVPORT;
+                        break;
 
                 /*
                  * options that take numeric values
@@ -1327,8 +1337,14 @@ out_security_failure:
 static int nfs_try_mount(struct nfs_parsed_mount_data *args,
                          struct nfs_fh *root_fh)
 {
-        struct sockaddr *sap = (struct sockaddr *)&args->mount_server.address;
-        char *hostname;
+        struct nfs_mount_request request = {
+                .sap            = (struct sockaddr *)
+                                                &args->mount_server.address,
+                .dirpath        = args->nfs_server.export_path,
+                .protocol       = args->mount_server.protocol,
+                .fh             = root_fh,
+                .noresvport     = args->flags & NFS_MOUNT_NORESVPORT,
+        };
         int status;
 
         if (args->mount_server.version == 0) {
@@ -1337,42 +1353,38 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
                 else
                         args->mount_server.version = NFS_MNT_VERSION;
         }
+        request.version = args->mount_server.version;
 
         if (args->mount_server.hostname)
-                hostname = args->mount_server.hostname;
+                request.hostname = args->mount_server.hostname;
         else
-                hostname = args->nfs_server.hostname;
+                request.hostname = args->nfs_server.hostname;
 
         /*
          * Construct the mount server's address.
          */
         if (args->mount_server.address.ss_family == AF_UNSPEC) {
-                memcpy(sap, &args->nfs_server.address,
+                memcpy(request.sap, &args->nfs_server.address,
                        args->nfs_server.addrlen);
                 args->mount_server.addrlen = args->nfs_server.addrlen;
         }
+        request.salen = args->mount_server.addrlen;
 
         /*
          * autobind will be used if mount_server.port == 0
          */
-        nfs_set_port(sap, args->mount_server.port);
+        nfs_set_port(request.sap, args->mount_server.port);
 
         /*
          * Now ask the mount server to map our export path
          * to a file handle.
          */
-        status = nfs_mount(sap,
-                           args->mount_server.addrlen,
-                           hostname,
-                           args->nfs_server.export_path,
-                           args->mount_server.version,
-                           args->mount_server.protocol,
-                           root_fh);
+        status = nfs_mount(&request);
         if (status == 0)
                 return 0;
 
         dfprintk(MOUNT, "NFS: unable to mount server %s, error %d\n",
-                        hostname, status);
+                        request.hostname, status);
         return status;
 }
 
@@ -2419,7 +2431,7 @@ static void nfs4_kill_super(struct super_block *sb)
 {
         struct nfs_server *server = NFS_SB(sb);
 
-        nfs_return_all_delegations(sb);
+        nfs_super_return_all_delegations(sb);
         kill_anon_super(sb);
 
         nfs4_renewd_prepare_shutdown(server);