From 65600eead296f8d5f1c04f2cecb565baec7ac169 Mon Sep 17 00:00:00 2001
From: Daniel Hokka Zakrisson <daniel@hozac.com>
Date: Mon, 8 Aug 2011 09:23:28 +0200
Subject: [PATCH] Only give ionice the arguments provided

---
 scripts/vserver.functions | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/scripts/vserver.functions b/scripts/vserver.functions
index d10ccf2..ee1751e 100644
--- a/scripts/vserver.functions
+++ b/scripts/vserver.functions
@@ -154,15 +154,21 @@ function _generateNiceCommand
 function _generateIONiceCommand
 {
     local vdir=$1
-    local ionice_class=2
-    local ionice_priority=0
+    local ionice_class=
+    local ionice_priority=
 
     test -n "$_IONICE" || return 0
 
     test -r "$vdir/ionice/class" && read ionice_class <"$vdir"/ionice/class
     test -r "$vdir/ionice/priority" && read ionice_priority <"$vdir"/ionice/priority
 
-    IONICE_CMD=( $_IONICE -c$ionice_class -n$ionice_priority )
+    test -n "$ionice_class$ionice_priority" || return 0
+
+    if test -z "$ionice_class" -a -n "$ionice_priority"; then
+	IONICE_CMD=( $_IONICE -c2 -n"$ionice_priority" )
+    else
+	IONICE_CMD=( $_IONICE ${ionice_class:+-c$ionice_class} ${ionice_priority:+-n$ionice_priority} )
+    fi
 }
 
 function _generatePersonalityOptions
-- 
1.8.1.5