22 lines
742 B
Diff
22 lines
742 B
Diff
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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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Index: virt-manager-1.0.0/virtinst/storage.py
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===================================================================
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--- virt-manager-1.0.0.orig/virtinst/storage.py
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+++ virt-manager-1.0.0/virtinst/storage.py
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@@ -656,6 +656,11 @@ class StorageVolume(_StorageObject):
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lazy_refcounts = XMLProperty("./target/features/lazy_refcounts",
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is_bool=True, default_cb=_lazy_refcounts_default_cb)
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+ def _nocow_default_cb(self):
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+ return True
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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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######################
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# Public API helpers #
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