41c6e4bf7a
This also changes the return values, since their meanings are rather weird from the storage point of view. For instance, "internal" meant it is *not* the storage which does the snapshot, while "external" meant a mixture of storage and qemu-server side actions. `undef` meant the storage does it all... ┌────────────┬───────────┐ │ previous │ new │ ├────────────┼───────────┤ │ "internal" │ "qemu" │ │ "external" │ "mixed" │ │ undef │ "storage" │ └────────────┴───────────┘ Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>