return 0;
 }
 
-int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_devices,
-                     const char *options)
+int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_devices)
 {
        u32 sectorsize;
        u32 nodesize;
 
 int btrfs_start_pre_rw_mount(struct btrfs_fs_info *fs_info);
 int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
                           const struct btrfs_super_block *disk_sb);
-int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_devices,
-                     const char *options);
+int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_devices);
 void __cold close_ctree(struct btrfs_fs_info *fs_info);
 int btrfs_validate_super(const struct btrfs_fs_info *fs_info,
                         const struct btrfs_super_block *sb, int mirror_num);
 
                return err;
        }
 
-       err = open_ctree(sb, fs_devices, (char *)data);
+       err = open_ctree(sb, fs_devices);
        if (err) {
                btrfs_err(fs_info, "open_ctree failed");
                return err;