Wolfgang Bumiller 41c6e4bf7a replace volume_support_qemu_snapshot with volume_qemu_snapshot ...

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>

2025-07-16 15:55:28 +02:00

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