NFS: Remove support for the 'nfsprog' option

Remove the mount option that allows users to specify an alternate NFS
program number.  The client hasn't support setting an alternate NFS
program number for a very long time.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

2 files changed, 1 insertions, 14 deletions

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 75793794aefe..a78a09b40d1b 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -43,7 +43,6 @@ struct nfs_parsed_mount_data {
         struct {
                 struct sockaddr_in      address;
                 char                    *hostname;
-                unsigned int            program;
                 unsigned int            version;
                 unsigned short          port;
                 int                     protocol;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 7d84d94fa827..1a18ca390ddf 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -84,7 +84,7 @@ enum {
         Opt_namelen,
         Opt_mountport,
         Opt_mountprog, Opt_mountvers,
-        Opt_nfsprog, Opt_nfsvers,
+        Opt_nfsvers,
 
         /* Mount options that take string arguments */
         Opt_sec, Opt_proto, Opt_mountproto,
@@ -139,7 +139,6 @@ static match_table_t nfs_mount_option_tokens = {
         { Opt_mountport, "mountport=%u" },
         { Opt_mountprog, "mountprog=%u" },
         { Opt_mountvers, "mountvers=%u" },
-        { Opt_nfsprog, "nfsprog=%u" },
         { Opt_nfsvers, "nfsvers=%u" },
         { Opt_nfsvers, "vers=%u" },
 
@@ -801,13 +800,6 @@ static int nfs_parse_mount_options(char *raw,
                                 return 0;
                         mnt->mount_server.version = option;
                         break;
-                case Opt_nfsprog:
-                        if (match_int(args, &option))
-                                return 0;
-                        if (option < 0)
-                                return 0;
-                        mnt->nfs_server.program = option;
-                        break;
                 case Opt_nfsvers:
                         if (match_int(args, &option))
                                 return 0;
@@ -1067,9 +1059,6 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
  *
  * + breaking back: trying proto=udp after proto=tcp, v2 after v3,
  *   mountproto=tcp after mountproto=udp, and so on
- *
- * XXX: as far as I can tell, changing the NFS program number is not
- *      supported in the NFS client.
  */
 static int nfs_validate_mount_data(void *options,
                                    struct nfs_parsed_mount_data *args,
@@ -1095,7 +1084,6 @@ static int nfs_validate_mount_data(void *options,
         args->mount_server.protocol = XPRT_TRANSPORT_UDP;
         args->mount_server.program = NFS_MNT_PROGRAM;
         args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
-        args->nfs_server.program = NFS_PROGRAM;
 
         switch (data->version) {
         case 1: