Rev the disk format for the compat code and the csum selection

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

diff --git a/ctree.h b/ctree.h
index 67f3426..df2d722 100644 (file)
--- a/ctree.h
+++ b/ctree.h
@@ -27,7 +27,7 @@
 
 struct btrfs_root;
 struct btrfs_trans_handle;
-#define BTRFS_MAGIC "_BFRfS_M"
+#define BTRFS_MAGIC "_BHRfS_M"
 
 #define BTRFS_MAX_LEVEL 8