* a hint that the filesystem need only write out the pages inside that
* byterange. The byte at `end' is included in the writeout request.
*/
- loff_t start;
- loff_t end;
+ loff_t range_start;
+ loff_t range_end;
unsigned nonblocking:1; /* Don't get stuck on request queues */
unsigned encountered_congestion:1; /* An output: a queue is full */
unsigned for_kupdate:1; /* A kupdate writeback */
unsigned for_reclaim:1; /* Invoked from the page allocator */
unsigned for_writepages:1; /* This is a writepages() call */
+ unsigned range_cyclic:1; /* range_start is cyclic */
};
/*
void laptop_io_completion(void);
void laptop_sync_completion(void);
void throttle_vm_writeout(void);
+void writeback_congestion_end(void);
/* These are exported to sysctl. */
extern int dirty_background_ratio;
loff_t pos, loff_t count);
int sync_page_range_nolock(struct inode *inode, struct address_space *mapping,
loff_t pos, loff_t count);
+void set_page_dirty_balance(struct page *page);
/* pdflush.c */
extern int nr_pdflush_threads; /* Global so it can be exported to sysctl