QA test updates - fixes for pquota, extsize, fsstress, and ensure mount options passed through to test_dev.

Merge of master-melb:xfs-cmds:24763a by kenmcd.

068

@@ -66,7 +66,7 @@ touch $tmp.running
     while [ -f "$tmp.running" ]
       do
       #	-w ensures that the only ops are ones which cause write I/O
-      ltp/fsstress -d $STRESS_DIR -w -p $procs -n $nops $FSSTRESS_AVOID \
+      $FSSTRESS_PROG -d $STRESS_DIR -w -p $procs -n $nops $FSSTRESS_AVOID \
 	  > /dev/null 2>&1
     done