diff --git a/[refs] b/[refs]
index 569304326ea9..0661fecb73f1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d03581f4345e30db078ea8f81189e8177280bbb8
+refs/heads/master: 6af858b24c0c4e91ce0b40b5dd5fdfc1fe2dda70
diff --git a/trunk/fs/btrfs/file.c b/trunk/fs/btrfs/file.c
index ca7e5d4474e0..26826a543355 100644
--- a/trunk/fs/btrfs/file.c
+++ b/trunk/fs/btrfs/file.c
@@ -236,7 +236,7 @@ static int dirty_and_release_pages(struct btrfs_trans_handle *trans,
 					   end_pos - start_pos, p, 0);
 		BUG_ON(err);
 		em->start = start_pos;
-		em->end = end_pos;
+		em->end = end_pos - 1;
 		em->block_start = EXTENT_MAP_INLINE;
 		em->block_end = EXTENT_MAP_INLINE;
 		add_extent_mapping(em_tree, em);