[PATCH 0/6] qemu: refactor disk migration safety check and add corner case exemption for Kubevirt's usage

[Peter Krempa via Devel]

Patches 1-3 are refactors that simplify the code and prepare it.
Patch 4 fixed bug where 'data_file' is not checked
Patches 5 and 6 add a workaround for Kubevirt's corner case migration
approach.

Peter Krempa (6):
  qemuMigrationSrcIsSafe: Drop 'DEBUG' message about qemu supporting
    cache dropping
  qemuMigrationSrcIsSafe: Extract code for checking safe migrability of
    one disk
  qemuMigrationSrcIsSafeDisk: Extract safe migration checks for one
    storage source
  qemuMigrationSrcIsSafeDisk: Check also data file propertiues for
    migrability
  qemuBlockGetNamedNodeData: Extract 'data_file_raw' flag
  qemuMigrationSrcIsSafeDisk: Allow non-shared qcow2's with raw data
    file

 src/qemu/qemu_migration.c                     | 188 ++++++++++++------
 src/qemu/qemu_monitor.h                       |   3 +
 src/qemu/qemu_monitor_json.c                  |   3 +
 tests/qemublocktest.c                         |   2 +
 tests/qemublocktestdata/bitmap/synthetic.json |   1 +
 tests/qemublocktestdata/bitmap/synthetic.out  |   1 +
 6 files changed, 133 insertions(+), 65 deletions(-)

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2.51.0