diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h
index c83fd192a7dc..522152904b8f 100644
--- a/fs/btrfs/fs.h
+++ b/fs/btrfs/fs.h
@@ -74,6 +74,9 @@ struct btrfs_space_info;
 #define BTRFS_SUPER_INFO_SIZE			4096
 static_assert(sizeof(struct btrfs_super_block) == BTRFS_SUPER_INFO_SIZE);
 
+#define BTRFS_KEY_FMT			"(%llu %u %llu)"
+#define BTRFS_KEY_FMT_VALUE(key)	(key)->objectid, (key)->type, (key)->offset
+
 /*
  * Number of metadata items necessary for an unlink operation:
  *