--- a/usr/src/uts/common/fs/zfs/metaslab.c	Fri Nov 13 14:46:03 2009 +0530
+++ b/usr/src/uts/common/fs/zfs/metaslab.c	Fri Nov 13 01:32:32 2009 -0800
@@ -1040,7 +1040,7 @@
 	/*
 	 * For testing, make some blocks above a certain size be gang blocks.
 	 */
-	if (psize >= metaslab_gang_bang && (lbolt & 3) == 0)
+	if (psize >= metaslab_gang_bang && (ddi_get_lbolt() & 3) == 0)
 		return (ENOSPC);
 
 	/*