Illumos #2619 and #2747

[zfs.git] / module / zfs / zap.c

diff --git a/module/zfs/zap.c b/module/zfs/zap.c
index fac54ea..59f62fa 100644 (file)
--- a/module/zfs/zap.c
+++ b/module/zfs/zap.c
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
 /*
@@ -946,6 +947,19 @@ fzap_prefetch(zap_name_t *zn)
  * Helper functions for consumers.
  */
 
+uint64_t
+zap_create_link(objset_t *os, dmu_object_type_t ot, uint64_t parent_obj,
+    const char *name, dmu_tx_t *tx)
+{
+       uint64_t new_obj;
+
+       VERIFY((new_obj = zap_create(os, ot, DMU_OT_NONE, 0, tx)) > 0);
+       VERIFY(zap_add(os, parent_obj, name, sizeof (uint64_t), 1, &new_obj,
+           tx) == 0);
+
+       return (new_obj);
+}
+
 int
 zap_value_search(objset_t *os, uint64_t zapobj, uint64_t value, uint64_t mask,
     char *name)