Optimize data cluster format for VHD and QCOW#6895

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last-genius wants to merge 11 commits intoxapi-project:26.1-lcmfrom

last-genius:asv/8.3-sparse-vhd-qcow

Commits on Apr 9, 2026

xapi_globs: Add vhd_legacy_blocks_format feature flag
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vhd-tool: Add cram tests for read_headers
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vhd-tool: Add read_headers_interval command
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vhd-tool: Add read_headers_interval to the cram test
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vhd_qcow_parsing: Add parse_header_interval for interval-based headers
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python3/qcow2-to-stdout: Implement Interval for checking sparse cluster allocation
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python3/qcow2-to-stdout: Switch to sparse interval format for nonzero_clusters
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qcow_tool_wrapper: Add note on using header information from VHD files
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qcow_tool_wrapper: Call qemu-img instead of qcow-stream-tool
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qcow-stream-tool: Drop read_headers
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Commits on Apr 10, 2026

dune-project: Add conf-qemu-img dependency to vhd-tool
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