diff --git a/[refs] b/[refs]
index c297e2d93af9..c75b8ce46b87 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b06355f0fe04a62d08238438654ec453e05304ba
+refs/heads/master: 0e2752a72cb37075b24899f01e9bc6a589de3b6c
diff --git a/trunk/fs/btrfs/extent_map.c b/trunk/fs/btrfs/extent_map.c
index 162766773a32..ab5bde31b687 100644
--- a/trunk/fs/btrfs/extent_map.c
+++ b/trunk/fs/btrfs/extent_map.c
@@ -1231,6 +1231,8 @@ static int end_bio_extent_writepage(struct bio *bio,
 			end_page_writeback(page);
 		else
 			check_page_writeback(tree, page);
+		if (tree->ops && tree->ops->writepage_end_io_hook)
+			tree->ops->writepage_end_io_hook(page, start, end);
 	} while (bvec >= bio->bi_io_vec);
 
 	bio_put(bio);
diff --git a/trunk/fs/btrfs/extent_map.h b/trunk/fs/btrfs/extent_map.h
index da41aca74e0b..40b53ee274fb 100644
--- a/trunk/fs/btrfs/extent_map.h
+++ b/trunk/fs/btrfs/extent_map.h
@@ -11,6 +11,7 @@ struct extent_map_ops {
 	int (*writepage_io_hook)(struct page *page, u64 start, u64 end);
 	int (*readpage_io_hook)(struct page *page, u64 start, u64 end);
 	int (*readpage_end_io_hook)(struct page *page, u64 start, u64 end);
+	void (*writepage_end_io_hook)(struct page *page, u64 start, u64 end);
 };
 
 struct extent_map_tree {