--- a/usr/src/uts/common/fs/zfs/spa.c	Fri Jan 30 16:43:06 2009 -0800
+++ b/usr/src/uts/common/fs/zfs/spa.c	Fri Jan 30 18:14:31 2009 -0800
@@ -2148,10 +2148,10 @@
 	if (version >= SPA_VERSION_ZPOOL_HISTORY && history_str != NULL)
 		(void) spa_history_log(spa, history_str, LOG_CMD_POOL_CREATE);
 
+	spa->spa_minref = refcount_count(&spa->spa_refcount);
+
 	mutex_exit(&spa_namespace_lock);
 
-	spa->spa_minref = refcount_count(&spa->spa_refcount);
-
 	return (0);
 }