writeback: get rid of wbc->for_writepages

[pandora-kernel.git] / include / linux / writeback.h

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 3224820..48a054e 100644 (file)
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -13,17 +13,6 @@ extern spinlock_t inode_lock;
 extern struct list_head inode_in_use;
 extern struct list_head inode_unused;
 
-/*
- * Yes, writeback.h requires sched.h
- * No, sched.h is not included from here.
- */
-static inline int task_is_pdflush(struct task_struct *task)
-{
-       return task->flags & PF_FLUSHER;
-}
-
-#define current_is_pdflush()   task_is_pdflush(current)
-
 /*
  * fs/fs-writeback.c
  */
@@ -40,6 +29,8 @@ enum writeback_sync_modes {
 struct writeback_control {
        struct backing_dev_info *bdi;   /* If !NULL, only write back this
                                           queue */
+       struct super_block *sb;         /* if !NULL, only write inodes from
+                                          this super_block */
        enum writeback_sync_modes sync_mode;
        unsigned long *older_than_this; /* If !NULL, only write back inodes
                                           older than this */
@@ -59,7 +50,6 @@ struct writeback_control {
        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 */
        /*
@@ -76,9 +66,13 @@ struct writeback_control {
 /*
  * fs/fs-writeback.c
  */    
-void writeback_inodes(struct writeback_control *wbc);
+struct bdi_writeback;
 int inode_wait(void *);
-void sync_inodes_sb(struct super_block *, int wait);
+long writeback_inodes_sb(struct super_block *);
+long sync_inodes_sb(struct super_block *);
+void writeback_inodes_wbc(struct writeback_control *wbc);
+long wb_do_writeback(struct bdi_writeback *wb, int force_wait);
+void wakeup_flusher_threads(long nr_pages);
 
 /* writeback.h requires fs.h; it, too, is not included from here. */
 static inline void wait_on_inode(struct inode *inode)
@@ -98,7 +92,6 @@ static inline void inode_sync_wait(struct inode *inode)
 /*
  * mm/page-writeback.c
  */
-int wakeup_pdflush(long nr_pages);
 void laptop_io_completion(void);
 void laptop_sync_completion(void);
 void throttle_vm_writeout(gfp_t gfp_mask);
@@ -150,17 +143,12 @@ balance_dirty_pages_ratelimited(struct address_space *mapping)
 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);