storage: add volume_support_qemu_snapshot
Returns if the volume is supporting qemu snapshot: 'internal' : do the snapshot with qemu internal snapshot 'external' : do the snapshot with qemu external snapshot undef : does not support qemu snapshot Signed-off-by: Alexandre Derumier <alexandre.derumier@groupe-cyllene.com>
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Wolfgang Bumiller
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@ -29,6 +29,14 @@ Future changes should be documented in here.
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* Introduce rename_snapshot() plugin method
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This method allow to rename a vm disk snapshot name to a different snapshot name.
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* Introduce volume_support_qemu_snapshot() plugin method
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This method is used to known if the a snapshot need to be done by qemu
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or by the storage api.
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returned values are :
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'internal' : support snapshot with qemu internal snapshot
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'external' : support snapshot with qemu external snapshot
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undef : don't support qemu snapshot
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## Version 11:
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* Allow declaring storage features via plugin data
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