Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 10 insertions, 2 deletions

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 0c78f7f4a97..050915b5957 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -59,6 +59,8 @@ 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() */
 };
 
 /*
@@ -109,9 +111,15 @@ 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);
-extern int generic_writepages(struct address_space *mapping,
-			      struct writeback_control *wbc);
+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);