+extern int jfs_mount(struct super_block *);
+extern int jfs_mount_rw(struct super_block *, int);
+extern int jfs_umount(struct super_block *);
+extern int jfs_umount_rw(struct super_block *);
+extern int jfs_extendfs(struct super_block *, s64, int);
+
+extern struct task_struct *jfsIOthread;
+extern struct task_struct *jfsSyncThread;