diff --git a/[refs] b/[refs]
index 835e64f84260..bcf5b69760e6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5516e5957f4b99b19fffffa53bf9fbe7cc793249
+refs/heads/master: 3a115f520f391b4ab14041bdd6eedb370d944fa6
diff --git a/trunk/fs/btrfs/ctree.h b/trunk/fs/btrfs/ctree.h
index 012ad529cb18..07d321552dbe 100644
--- a/trunk/fs/btrfs/ctree.h
+++ b/trunk/fs/btrfs/ctree.h
@@ -40,7 +40,7 @@ extern struct kmem_cache *btrfs_bit_radix_cachep;
 extern struct kmem_cache *btrfs_path_cachep;
 struct btrfs_ordered_sum;
 
-#define BTRFS_MAGIC "_B5RfS_M"
+#define BTRFS_MAGIC "_B6RfS_M"
 
 #define BTRFS_ACL_NOT_CACHED    ((void *)-1)