virt-manager/virtinst-set-cache-mode-unsafe-for-install.patch
Charles Arnold f88a913443 - jsc#SLE-16582, Upgrade virt-manager >= 3.x
* Slim down filesystem device editor UI
  * Fix TOCTTOU virt-install bugs (Martin Pitt)
  * Several other bug fixes
  virt-manager-3.2.0.tar.bz2
- Drop patches contained in new tarball
  1a1e4580-cloner-Explicitly-reject-network-disks-we-dont-know-how-to-clone.patch
  2773bc35-storagepool-cleanup-volumes-on-pool-cleanup.patch
  b1328202-devices-disk-Skip-check_path_search-for-path.patch
  virtman-append-usr-sbin-to-search-path.patch

- Upstream bug fixes (bsc#1027942)
  1a1e4580-cloner-Explicitly-reject-network-disks-we-dont-know-how-to-clone.patch
  2773bc35-storagepool-cleanup-volumes-on-pool-cleanup.patch
  b1328202-devices-disk-Skip-check_path_search-for-path.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/virt-manager?expand=0&rev=525
2020-11-16 17:09:49 +00:00

30 lines
1.3 KiB
Diff

Set cache mode for target installation disk to unsafe for better
performance.
Index: virt-manager-3.2.0/virtinst/install/installer.py
===================================================================
--- virt-manager-3.2.0.orig/virtinst/install/installer.py
+++ virt-manager-3.2.0/virtinst/install/installer.py
@@ -580,11 +580,22 @@ class Installer(object):
guest.memory) = data
def _get_install_xml(self, guest, meter):
+ # At install time set the target disk to 'unsafe' for
+ # better performance if the target is not a block device
+ saved_cache = "None"
+ if guest.devices.disk:
+ target_disk = guest.devices.disk[0]
+ saved_cache = target_disk.driver_cache
+ if target_disk.type != DeviceDisk.TYPE_BLOCK and target_disk.driver_io != "native":
+ target_disk.driver_cache = DeviceDisk.CACHE_MODE_UNSAFE
+
data = self._prepare_get_install_xml(guest)
try:
self._alter_bootconfig(guest)
self._alter_install_resources(guest, meter)
ret = guest.get_xml()
+ if saved_cache != "None":
+ target_disk.driver_cache = saved_cache
return ret
finally:
self._remove_install_cdrom_media(guest)