svn commit: r307848 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Mon Oct 24 07:52:04 2016
New Revision: 307848
URL: https://svnweb.freebsd.org/changeset/base/307848

Log:
  Only load and unload geom_nop, if not already loaded.
  
  Sponsored by:	Dell EMC Isilon

Modified:
  user/pho/stress2/misc/gnop.sh

Modified: user/pho/stress2/misc/gnop.sh
==============================================================================
--- user/pho/stress2/misc/gnop.sh	Mon Oct 24 07:50:40 2016	(r307847)
+++ user/pho/stress2/misc/gnop.sh	Mon Oct 24 07:52:04 2016	(r307848)
@@ -59,11 +59,13 @@ test() {
 	mdconfig -d -u $mdstart
 }
 
-gnop load
+kldstat | grep -q geom_nop || { gnop load 2>/dev/null || exit 0 &&
+    notloaded=1; }
 gnop status || exit
 
 for i in 1k 2k 4k 8k; do
 	test $i
 done
 
-gnop unload
+[ $notloaded ] && gnop unload
+exit 0