572c97ee60
either no disk cache or directsync cache mode, QEMU will fallback to aio=threads virtinst-set-cache-mode-unsafe-for-install.patch updated OBS-URL: https://build.opensuse.org/package/show/Virtualization/virt-manager?expand=0&rev=212
39 lines
1.4 KiB
Diff
39 lines
1.4 KiB
Diff
Index: virt-manager-1.1.0/virtinst/guest.py
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===================================================================
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--- virt-manager-1.1.0.orig/virtinst/guest.py
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+++ virt-manager-1.1.0/virtinst/guest.py
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@@ -32,6 +32,7 @@ from virtinst import util
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from virtinst import support
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from virtinst import OSXML
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from virtinst import VirtualDevice
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+from virtinst import VirtualDisk
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from virtinst import Clock
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from virtinst import Seclabel
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from virtinst import CPU
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@@ -349,6 +350,13 @@ class Guest(XMLBuilder):
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self.on_crash = action
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self._set_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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+ if install:
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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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self.bootloader = None
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if (not install and
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@@ -367,7 +375,10 @@ class Guest(XMLBuilder):
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self.bootloader = "/usr/bin/pygrub"
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self.os.clear()
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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:
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+ target_disk.driver_cache = saved_cache
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+ return xml_config
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def get_continue_inst(self):
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"""
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