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Dimitris Aragiorgis authored
Commits e147e00 and c4f1bff in Ganeti add support for userspace-only disks. That means that we could have an instance without a local block device (e.g. using the embedded support in QEMU for rbd by passing -drive file=rbd:pool/image_name without the need of a /dev/rdbX device). This patch does the following: Introduce a find_disk() helper method that first checks the DISK_IDX_PATH and if it is not exported then it returns DISK_IDX_URI. Introduce a losetup_disk() helper method that is used during export/import and in case we have an ntfsdump/extdump image type. Signed-off-by: Dimitris Aragiorgis <dimitris.aragiorgis@gmail.com>
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