nfs: fold nfs4_remote_fs_type and nfs4_remote_referral_fs_type

They are identical now.
Reviewed-by: NDavid Howells <dhowells@redhat.com>
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NAnna Schumaker <Anna.Schumaker@Netapp.com>

fs/nfs/nfs4super.c

@@ -22,8 +22,6 @@ static struct dentry *nfs4_remote_mount(struct file_system_type *fs_type,
 	int flags, const char *dev_name, void *raw_data);
 static struct dentry *nfs4_referral_mount(struct file_system_type *fs_type,
 	int flags, const char *dev_name, void *raw_data);
-static struct dentry *nfs4_remote_referral_mount(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *raw_data);
 
 static struct file_system_type nfs4_remote_fs_type = {
 	.owner		= THIS_MODULE,
@@ -33,14 +31,6 @@ static struct file_system_type nfs4_remote_fs_type = {
 	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
 };
 
-static struct file_system_type nfs4_remote_referral_fs_type = {
-	.owner		= THIS_MODULE,
-	.name		= "nfs4",
-	.mount		= nfs4_remote_referral_mount,
-	.kill_sb	= nfs_kill_super,
-	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
-};
-
 struct file_system_type nfs4_referral_fs_type = {
 	.owner		= THIS_MODULE,
 	.name		= "nfs4",
@@ -111,8 +101,7 @@ nfs4_remote_mount(struct file_system_type *fs_type, int flags,
 	return nfs_fs_mount_common(flags, dev_name, info, &nfs_v4);
 }
 
-static struct vfsmount *nfs_do_root_mount(struct file_system_type *fs_type,
-					  struct nfs_server *server, int flags,
+static struct vfsmount *nfs_do_root_mount(struct nfs_server *server, int flags,
 					  struct nfs_mount_info *info,
 					  const char *hostname)
 {
@@ -135,7 +124,7 @@ static struct vfsmount *nfs_do_root_mount(struct file_system_type *fs_type,
 	else
 		snprintf(root_devname, len, "%s:/", hostname);
 	info->server = server;
-	root_mnt = vfs_kern_mount(fs_type, flags, root_devname, info);
+	root_mnt = vfs_kern_mount(&nfs4_remote_fs_type, flags, root_devname, info);
 	if (info->server)
 		nfs_free_server(info->server);
 	info->server = NULL;
@@ -245,7 +234,7 @@ struct dentry *nfs4_try_mount(int flags, const char *dev_name,
 
 	export_path = data->nfs_server.export_path;
 	data->nfs_server.export_path = "/";
-	root_mnt = nfs_do_root_mount(&nfs4_remote_fs_type,
+	root_mnt = nfs_do_root_mount(
 			nfs4_create_server(mount_info, &nfs_v4),
 			flags, mount_info,
 			data->nfs_server.hostname);
@@ -259,13 +248,6 @@ struct dentry *nfs4_try_mount(int flags, const char *dev_name,
 	return res;
 }
 
-static struct dentry *
-nfs4_remote_referral_mount(struct file_system_type *fs_type, int flags,
-			   const char *dev_name, void *raw_data)
-{
-	return nfs_fs_mount_common(flags, dev_name, raw_data, &nfs_v4);
-}
-
 /*
  * Create an NFS4 server record on referral traversal
  */
@@ -290,7 +272,7 @@ static struct dentry *nfs4_referral_mount(struct file_system_type *fs_type,
 
 	export_path = data->mnt_path;
 	data->mnt_path = "/";
-	root_mnt = nfs_do_root_mount(&nfs4_remote_referral_fs_type,
+	root_mnt = nfs_do_root_mount(
 			nfs4_create_referral_server(mount_info.cloned,
 						    mount_info.mntfh),
 			flags, &mount_info, data->hostname);