/*
* mm/page-writeback.c
*/
-void laptop_io_completion(void);
+#ifdef CONFIG_BLOCK
+void laptop_io_completion(struct backing_dev_info *info);
void laptop_sync_completion(void);
+void laptop_mode_sync(struct work_struct *work);
+void laptop_mode_timer_fn(unsigned long data);
+#else
+static inline void laptop_sync_completion(void) { }
+#endif
void throttle_vm_writeout(gfp_t gfp_mask);
/* These are exported to sysctl. */