ide: add ->fixup method to ide_hwif_t

[safe/jmp/linux-2.6] / include / linux / writeback.h

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 56f92fc..bef7d66 100644 (file)
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -1,9 +1,12 @@
 /*
- * include/linux/writeback.h.
+ * include/linux/writeback.h
  */
 #ifndef WRITEBACK_H
 #define WRITEBACK_H
 
+#include <linux/sched.h>
+#include <linux/fs.h>
+
 struct backing_dev_info;
 
 extern spinlock_t inode_lock;
@@ -50,21 +53,22 @@ struct writeback_control {
         * 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 */
+       unsigned more_io:1;             /* more io to be dispatched */
 };
 
 /*
  * fs/fs-writeback.c
  */    
 void writeback_inodes(struct writeback_control *wbc);
-void wake_up_inode(struct inode *inode);
 int inode_wait(void *);
 void sync_inodes_sb(struct super_block *, int wait);
 void sync_inodes(int wait);
@@ -76,6 +80,13 @@ static inline void wait_on_inode(struct inode *inode)
        wait_on_bit(&inode->i_state, __I_LOCK, inode_wait,
                                                        TASK_UNINTERRUPTIBLE);
 }
+static inline void inode_sync_wait(struct inode *inode)
+{
+       might_sleep();
+       wait_on_bit(&inode->i_state, __I_SYNC, inode_wait,
+                                                       TASK_UNINTERRUPTIBLE);
+}
+
 
 /*
  * mm/page-writeback.c
@@ -83,7 +94,7 @@ static inline void wait_on_inode(struct inode *inode)
 int wakeup_pdflush(long nr_pages);
 void laptop_io_completion(void);
 void laptop_sync_completion(void);
-void throttle_vm_writeout(void);
+void throttle_vm_writeout(gfp_t gfp_mask);
 
 /* These are exported to sysctl. */
 extern int dirty_background_ratio;
@@ -93,6 +104,10 @@ extern int dirty_expire_interval;
 extern int block_dump;
 extern int laptop_mode;
 
+extern int dirty_ratio_handler(struct ctl_table *table, int write,
+               struct file *filp, void __user *buffer, size_t *lenp,
+               loff_t *ppos);
+
 struct ctl_table;
 struct file;
 int dirty_writeback_centisecs_handler(struct ctl_table *, int, struct file *,
@@ -108,12 +123,22 @@ balance_dirty_pages_ratelimited(struct address_space *mapping)
        balance_dirty_pages_ratelimited_nr(mapping, 1);
 }
 
+typedef int (*writepage_t)(struct page *page, struct writeback_control *wbc,
+                               void *data);
+
 int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0);
+int generic_writepages(struct address_space *mapping,
+                      struct writeback_control *wbc);
+int write_cache_pages(struct address_space *mapping,
+                     struct writeback_control *wbc, writepage_t writepage,
+                     void *data);
 int do_writepages(struct address_space *mapping, struct writeback_control *wbc);
 int sync_page_range(struct inode *inode, struct address_space *mapping,
                        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, int page_mkwrite);
+void writeback_set_ratelimit(void);
 
 /* pdflush.c */
 extern int nr_pdflush_threads; /* Global so it can be exported to sysctl