NFS: Make /proc/mounts display the protocol used by NFSv4

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 062911e7ceb57b55ccf3cb7cd1141b82b825b10d..358d8ef8c087fd9aead1afeb61521f55ed78b918 100644 (file)
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -595,7 +595,6 @@ static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
                { NFS_MOUNT_SOFT, ",soft", ",hard" },
                { NFS_MOUNT_INTR, ",intr", "" },
                { NFS_MOUNT_POSIX, ",posix", "" },
-               { NFS_MOUNT_TCP, ",tcp", ",udp" },
                { NFS_MOUNT_NOCTO, ",nocto", "" },
                { NFS_MOUNT_NOAC, ",noac", "" },
                { NFS_MOUNT_NONLM, ",nolock", ",lock" },
@@ -604,6 +603,8 @@ static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
        };
        struct proc_nfs_info *nfs_infop;
        struct nfs_server *nfss = NFS_SB(mnt->mnt_sb);
+       char buf[12];
+       char *proto;
 
        seq_printf(m, ",v%d", nfss->rpc_ops->version);
        seq_printf(m, ",rsize=%d", nfss->rsize);
@@ -622,6 +623,18 @@ static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt)
                else
                        seq_puts(m, nfs_infop->nostr);
        }
+       switch (nfss->client->cl_xprt->prot) {
+               case IPPROTO_TCP:
+                       proto = "tcp";
+                       break;
+               case IPPROTO_UDP:
+                       proto = "udp";
+                       break;
+               default:
+                       snprintf(buf, sizeof(buf), "%u", nfss->client->cl_xprt->prot);
+                       proto = buf;
+       }
+       seq_printf(m, ",proto=%s", proto);
        seq_puts(m, ",addr=");
        seq_escape(m, nfss->hostname, " \t\n\\");
        return 0;