Btrfs: Do delalloc accounting via hooks in the extent_state code

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index f1e8bf251f32..a96c5a14134e 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -33,6 +33,10 @@ struct extent_io_ops {
                                     struct extent_state *state);
         void (*writepage_end_io_hook)(struct page *page, u64 start, u64 end,
                                       struct extent_state *state);
+        int (*set_bit_hook)(struct inode *inode, u64 start, u64 end,
+                            unsigned long bits);
+        int (*clear_bit_hook)(struct inode *inode, u64 start, u64 end,
+                            unsigned long bits);
 };
 
 struct extent_io_tree {