From 373a9ad0abb09ee079da834d251a744cdbe9ae70 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Thu, 2 Jul 2009 21:32:59 +0100
Subject: [PATCH] Improve virtio-blk performance (RHBZ#509383).

---
 appliance/init | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/appliance/init b/appliance/init
index 48c7c34..dbe53f4 100755
--- a/appliance/init
+++ b/appliance/init
@@ -44,6 +44,9 @@ ls -l /dev
 lvm vgscan --ignorelockingfailure
 lvm vgchange -ay --ignorelockingfailure
 
+# Improve virtio-blk performance (RHBZ#509383).
+for f in /sys/block/vd*/queue/rotational; do echo 1 > $f; done
+
 if grep -sq guestfs_rescue=1 /proc/cmdline; then
   bash -i
 fi
-- 
1.8.3.1