diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a1cf4c8..e5f9b96 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -596,7 +596,7 @@
 	int slots[BTRFS_MAX_LEVEL];
 	/* if there is real range locking, this locks field will change */
 	int locks[BTRFS_MAX_LEVEL];
-	int reada;
+	u8 reada;
 	/* keep some upper locks as we walk down */
 	int lowest_level;