96e525ab04
virtinst-pvgrub2-bootloader.patch - fate##319621 - KVM: Provide SMBIOS info to KVM virtual machines OBS-URL: https://build.opensuse.org/package/show/Virtualization/virt-manager?expand=0&rev=334
37 lines
1.4 KiB
Diff
37 lines
1.4 KiB
Diff
Set cache mode for target installation disk to unsafe for better
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performance.
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Index: virt-manager-1.4.0/virtinst/guest.py
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===================================================================
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--- virt-manager-1.4.0.orig/virtinst/guest.py
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+++ virt-manager-1.4.0/virtinst/guest.py
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@@ -360,6 +360,17 @@ class Guest(XMLBuilder):
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self._set_osxml_defaults()
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+ # At install time set the target disk to 'unsafe' for
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+ # better performance if the target is not a block device
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+ saved_cache = "None"
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+ if install:
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+ disk_devices = self.get_devices("disk")
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+ if disk_devices:
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+ target_disk = self.get_devices("disk")[0]
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+ saved_cache = target_disk.driver_cache
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+ if target_disk.type != VirtualDisk.TYPE_BLOCK:
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+ target_disk.driver_cache = VirtualDisk.CACHE_MODE_UNSAFE
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+
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self.bootloader = None
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if (not install and
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self.os.is_xenpv() and
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@@ -379,7 +390,10 @@ class Guest(XMLBuilder):
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self.installer.alter_bootconfig(self, True, True)
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logging.info("Using grub.xen to boot guest")
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- return self.get_xml_config()
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+ xml_config = self.get_xml_config()
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+ if install and saved_cache != "None":
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+ target_disk.driver_cache = saved_cache
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+ return xml_config
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###########################
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