diff --git a/[refs] b/[refs]
index a302617ca78d..8b5e01bdb08c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 55c69072d6bd5be170a85467f64a20963cddf490
+refs/heads/master: b3a0d8d28c607cb2531a68742afc2b967b1f6083
diff --git a/trunk/fs/btrfs/extent_map.c b/trunk/fs/btrfs/extent_map.c
index f3a384ed700c..d71aed341abd 100644
--- a/trunk/fs/btrfs/extent_map.c
+++ b/trunk/fs/btrfs/extent_map.c
@@ -1665,8 +1665,6 @@ void set_page_extent_mapped(struct page *page)
 
 void set_page_extent_head(struct page *page, unsigned long len)
 {
-	WARN_ON(page->private && page->private == EXTENT_PAGE_PRIVATE &&
-		PageDirty(page));
 	set_page_private(page, EXTENT_PAGE_PRIVATE_FIRST_PAGE | len << 2);
 }