--- linux-2.6-xfs/fs/xfs/xfs_da_btree.c	2007-09-21 14:14:35.000000000 +0800
+++ linux-xfs-usig/fs/xfs/xfs_da_btree.c	2008-03-23 08:19:13.583751436 +0800
@@ -1161,7 +1161,7 @@ xfs_da_node_lookup_int(xfs_da_state_t *s
 			ASSERT(0);
 			return XFS_ERROR(EFSCORRUPTED);
 		}
-		if (((retval == ENOENT) || (retval == ENOATTR)) &&
+		if ((((retval == ENOENT) && (state->extrablk.index == -1)) || (retval == ENOATTR)) &&
 		    (blk->hashval == args->hashval)) {
 			error = xfs_da_path_shift(state, &state->path, 1, 1,
 							 &retval);