2619 asynchronous destruction of ZFS file systems
2747 SPA versioning with zfs feature flags
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>
Approved by: Dan McDonald <danmcd@nexenta.com>

@@ -18,10 +18,11 @@
  *
  * CDDL HEADER END
  */
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
 #ifndef _SYS_DSL_SCAN_H
 #define _SYS_DSL_SCAN_H
 

@@ -77,10 +78,13 @@
         boolean_t scn_pausing;
         uint64_t scn_restart_txg;
         uint64_t scn_sync_start_time;
         zio_t *scn_zio_root;
 
+        /* for freeing blocks */
+        boolean_t scn_is_bptree;
+
         /* for debugging / information */
         uint64_t scn_visited_this_txg;
 
         dsl_scan_phys_t scn_phys;
 } dsl_scan_t;