virt-manager/virtinst-set-cache-mode-unsafe-for-install.patch
Charles Arnold 2e04f0d659 - bsc#919420 - virt-manager: installation of vm on pp64le: Couldn't
find hvm kernel for SUSE tree.
  virtinst-add-ppc64-arch-support.patch
- Upstream bug fix to console if running on Xen
  601a82cb-fix-console_type-if-xen.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/virt-manager?expand=0&rev=269
2015-09-22 17:14:49 +00:00

42 lines
1.4 KiB
Diff

Set cache mode for target installation disk to unsafe for better
performance.
Index: virt-manager-1.2.1/virtinst/guest.py
===================================================================
--- virt-manager-1.2.1.orig/virtinst/guest.py
+++ virt-manager-1.2.1/virtinst/guest.py
@@ -53,6 +53,7 @@ from .osxml import OSXML
from .pm import PM
from .seclabel import Seclabel
from .xmlbuilder import XMLBuilder, XMLProperty, XMLChildProperty
+from .devicedisk import VirtualDisk
class Guest(XMLBuilder):
@@ -354,6 +355,14 @@ class Guest(XMLBuilder):
self._set_osxml_defaults()
+ # At install time set the target disk to 'unsafe' for
+ # better performance if the target is not a block device
+ if install:
+ target_disk = self.get_devices("disk")[0]
+ saved_cache = target_disk.driver_cache
+ if target_disk.type != VirtualDisk.TYPE_BLOCK:
+ target_disk.driver_cache = VirtualDisk.CACHE_MODE_UNSAFE
+
self.bootloader = None
if (not install and
self.os.is_xenpv() and
@@ -372,7 +381,10 @@ class Guest(XMLBuilder):
self.bootloader = "/usr/bin/pygrub"
self.os.clear()
- return self.get_xml_config()
+ xml_config = self.get_xml_config()
+ if install:
+ target_disk.driver_cache = saved_cache
+ return xml_config
##############