961a88ab43
type of the r/o disk for the undoable / volatile mode. The format check code is currently written for flat, sparse and growing images. The undoable and volatile mode now cause a panic if the r/o image mode is unsupported. - TODO #1: rewrite the header checks for vmware3, vmware4 and vpc images to make them usable for autodetection. - TODO #2: add support for other types of r/o disks in undoable/volatile mode. - TODO #3: add an image mode 'auto' for the supported types (NOTE: unknown images can be treated as flat ones if their size is multiple of 512).