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From: Kip Macy <kmacy@FreeBSD.org>
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Subject: svn commit: r192416 - head/sys/kern
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Author: kmacy
Date: Wed May 20 02:51:48 2009
New Revision: 192416
URL: http://svn.freebsd.org/changeset/base/192416

Log:
  Add minimal ZFS lock hierarchy

Modified:
  head/sys/kern/subr_witness.c

Modified: head/sys/kern/subr_witness.c
==============================================================================
--- head/sys/kern/subr_witness.c	Wed May 20 02:48:53 2009	(r192415)
+++ head/sys/kern/subr_witness.c	Wed May 20 02:51:48 2009	(r192416)
@@ -610,6 +610,13 @@ static struct witness_order_list_entry o
 	{ "vnode interlock", &lock_class_mtx_sleep },
 	{ NULL, NULL },
 	/*
+	 * ZFS locking
+	 */
+	{ "dn->dn_mtx", &lock_class_sx },
+	{ "dr->dt.di.dr_mtx", &lock_class_sx },
+	{ "db->db_mtx", &lock_class_sx },
+	{ NULL, NULL },
+	/*
 	 * spin locks
 	 */
 #ifdef SMP