2015-05-04 22:15:01 +02:00
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Reference: fate#315125:
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2014-04-04 03:55:04 +02:00
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Set NOCOW flag to newly created volume by default, to solve performance
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issue on btrfs.
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Signed-off-by: Chunyan Liu <cyliu@suse.com>
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2017-10-30 21:23:56 +01:00
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Index: virt-manager-1.4.3/virtinst/storage.py
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2014-04-04 03:55:04 +02:00
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===================================================================
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2017-10-30 21:23:56 +01:00
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--- virt-manager-1.4.3.orig/virtinst/storage.py
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+++ virt-manager-1.4.3/virtinst/storage.py
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2017-08-09 21:02:00 +02:00
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@@ -708,6 +708,12 @@ class StorageVolume(_StorageObject):
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2017-03-09 20:10:48 +01:00
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return self._pool_xml.get_disk_type()
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2016-06-22 00:34:03 +02:00
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file_type = property(_get_vol_type)
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2014-04-04 03:55:04 +02:00
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+ def _nocow_default_cb(self):
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2016-01-12 21:36:29 +01:00
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+ return self.conn.check_support(
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+ self.conn.SUPPORT_CONN_NOCOW)
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2014-04-04 03:55:04 +02:00
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+ nocow = XMLProperty("./target/nocow",
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+ is_bool=True, default_cb=_nocow_default_cb)
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+
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2016-06-22 00:34:03 +02:00
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##################
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# XML properties #
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2017-10-30 21:23:56 +01:00
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Index: virt-manager-1.4.3/virtinst/support.py
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2016-01-12 21:36:29 +01:00
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===================================================================
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2017-10-30 21:23:56 +01:00
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--- virt-manager-1.4.3.orig/virtinst/support.py
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+++ virt-manager-1.4.3/virtinst/support.py
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@@ -325,6 +325,8 @@ SUPPORT_CONN_RNG_URANDOM = _make(version
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2017-08-09 21:02:00 +02:00
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SUPPORT_CONN_USB3_PORTS = _make(version="1.3.5")
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SUPPORT_CONN_MACHVIRT_PCI_DEFAULT = _make(version="3.0.0")
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SUPPORT_CONN_QEMU_XHCI = _make(version="3.3.0")
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2016-01-12 21:36:29 +01:00
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+SUPPORT_CONN_NOCOW = _make(
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+ version="1.2.18", hv_version={"qemu": "2.2.0", "test": 0})
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2016-06-22 00:34:03 +02:00
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2016-01-12 21:36:29 +01:00
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# This is for disk <driver name=qemu>. xen supports this, but it's
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