3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first argument is zero

@@ -22,10 +22,16 @@
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 /*
+ * Copyright (c) 2012 by Delphix. All rights reserved.
+ */
+
+
+
+/*
  * This file contains the code to implement file range locking in
  * ZFS, although there isn't much specific to ZFS (all that comes to mind
  * support for growing the blocksize).
  *
  * Interface

@@ -479,13 +485,13 @@
                 if (remove->r_read_wanted) {
                         cv_broadcast(&remove->r_rd_cv);
                         cv_destroy(&remove->r_rd_cv);
                 }
         } else {
-                ASSERT3U(remove->r_cnt, ==, 0);
-                ASSERT3U(remove->r_write_wanted, ==, 0);
-                ASSERT3U(remove->r_read_wanted, ==, 0);
+                ASSERT0(remove->r_cnt);
+                ASSERT0(remove->r_write_wanted);
+                ASSERT0(remove->r_read_wanted);
                 /*
                  * Find start proxy representing this reader lock,
                  * then decrement ref count on all proxies
                  * that make up this range, freeing them as needed.
                  */