1 files changed, 10 insertions, 3 deletions

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 283110ec4ee0..2d5f67065b69 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -35,7 +35,8 @@ typedef	int (extent_submit_bio_hook_t)(struct inode *inode, int rw,
                                        unsigned long bio_flags);
 struct extent_io_ops {
         int (*fill_delalloc)(struct inode *inode, struct page *locked_page,
-                             u64 start, u64 end, int *page_started);
+                             u64 start, u64 end, int *page_started,
+                             unsigned long *nr_written);
         int (*writepage_start_hook)(struct page *page, u64 start, u64 end);
         int (*writepage_io_hook)(struct page *page, u64 start, u64 end);
         extent_submit_bio_hook_t *submit_bio_hook;
@@ -172,6 +173,9 @@ int extent_invalidatepage(struct extent_io_tree *tree,
 int extent_write_full_page(struct extent_io_tree *tree, struct page *page,
                           get_extent_t *get_extent,
                           struct writeback_control *wbc);
+int extent_write_locked_range(struct extent_io_tree *tree, struct inode *inode,
+                              u64 start, u64 end, get_extent_t *get_extent,
+                              int mode);
 int extent_writepages(struct extent_io_tree *tree,
                       struct address_space *mapping,
                       get_extent_t *get_extent,
@@ -256,6 +260,9 @@ int extent_range_uptodate(struct extent_io_tree *tree,
 int extent_clear_unlock_delalloc(struct inode *inode,
                                 struct extent_io_tree *tree,
                                 u64 start, u64 end, struct page *locked_page,
-                                int clear_dirty, int set_writeback,
-                                int clear_writeback);
+                                int unlock_page,
+                                int clear_unlock,
+                                int clear_delalloc, int clear_dirty,
+                                int set_writeback,
+                                int end_writeback);
 #endif