Index: sbin/fsdb/fsdbutil.c
===================================================================
--- sbin/fsdb/fsdbutil.c	(revision 247218)
+++ sbin/fsdb/fsdbutil.c	(working copy)
@@ -239,7 +239,7 @@
 	/* for the final indirect level, don't use the cache */
 	bp = &buf;
 	bp->b_un.b_buf = bufp;
-	initbarea(bp);
+	initbarea(bp, BT_UNKNOWN);
 
 	getblk(bp, blk, sblock.fs_bsize);
     } else