NFS: add mount options 'v4.0' and 'v4.1'

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 9466784..d18a90b 100644 (file)
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -80,7 +80,7 @@ enum {
        Opt_cto, Opt_nocto,
        Opt_ac, Opt_noac,
        Opt_lock, Opt_nolock,
-       Opt_v2, Opt_v3, Opt_v4,
+       Opt_v2, Opt_v3, Opt_v4, Opt_v4_0, Opt_v4_1,
        Opt_udp, Opt_tcp, Opt_rdma,
        Opt_acl, Opt_noacl,
        Opt_rdirplus, Opt_nordirplus,
@@ -136,6 +136,8 @@ static const match_table_t nfs_mount_option_tokens = {
        { Opt_v2, "v2" },
        { Opt_v3, "v3" },
        { Opt_v4, "v4" },
+       { Opt_v4_0, "v4.0" },
+       { Opt_v4_1, "v4.1" },
        { Opt_udp, "udp" },
        { Opt_tcp, "tcp" },
        { Opt_rdma, "rdma" },
@@ -1172,6 +1174,16 @@ static int nfs_parse_mount_options(char *raw,
                        mnt->flags &= ~NFS_MOUNT_VER3;
                        mnt->version = 4;
                        break;
+               case Opt_v4_0:
+                       mnt->flags &= ~NFS_MOUNT_VER3;
+                       mnt->version = 4;
+                       mnt->minorversion = 0;
+                       break;
+               case Opt_v4_1:
+                       mnt->flags &= ~NFS_MOUNT_VER3;
+                       mnt->version = 4;
+                       mnt->minorversion = 1;
+                       break;
                case Opt_udp:
                        mnt->flags &= ~NFS_MOUNT_TCP;
                        mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP;