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Revision e994fcba

IDe994fcbaa62581a64bdbc4ac8f4ef935496b9014

Added by Manuel Franceschini about 16 years ago

Modify hypervisor to support file backend

The driver in the xen config file needs to be changed when dealing with
files rather then bdevs.

This patch does two things:
- Add _GetConfigFileDiskData to XenHypervisor which returns the correct
disk xen config line. This function checks the logical disk type of
every given block device, such that also hybrid (e.g. mixed drbd and
file VBDs) are possible
- Make Xen[Pvm|Hvm]Hypervisor._WriteConfigFile() a classmethod to be
able to call the helper function _GetConfigFileDiskData() in their
parent XenHypervisor

Reviewed-by: iustinp

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