1 files changed, 12 insertions, 3 deletions

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index c7c3337c3a88..bef7d66601cb 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -62,15 +62,13 @@ struct writeback_control {
         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 *fs_private;               /* For use by ->writepages() */
+        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);
@@ -82,6 +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
@@ -99,6 +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 *,