[libvirt] [PATCH 0/5] Fix starting of VMs with backing chains containing unknown backing file specification

[Peter Krempa]

When a backing chain element specifies a parent in a format not known to libvirt
we'd fail to start the VM as the chain would appear broken.

To prevent this happening introduce a new disk type to collect
unknow format specs and avoid startup failures with such disk type.

Peter Krempa (5):
  util: storage: Convert disk locality check to switch statement
  conf: Introduce raw disk string passthrough
  conf: Mark backing chain ending with "raw" volume as broken
  tests: Add tests for disk type 'raw'
  utils: storage: Fall back to "raw" disk  on backing store parse
    failure

 docs/schemas/domaincommon.rng                      | 14 ++++
 src/conf/domain_conf.c                             | 12 ++-
 src/qemu/qemu_command.c                            |  1 +
 src/qemu/qemu_driver.c                             |  4 +
 src/storage/storage_driver.c                       |  8 ++
 src/util/virstoragefile.c                          | 35 +++++++-
 src/util/virstoragefile.h                          |  1 +
 .../qemuxml2argv-disk-backing-chains-raw.xml       | 94 +++++++++++++++++++++
 .../qemuxml2argv-disk-virtio-raw.args              |  9 ++
 .../qemuxml2argv-disk-virtio-raw.xml               | 45 ++++++++++
 tests/qemuxml2argvtest.c                           |  1 +
 ...muxml2xmlout-disk-backing-chains-raw-active.xml | 95 ++++++++++++++++++++++
 ...xml2xmlout-disk-backing-chains-raw-inactive.xml | 59 ++++++++++++++
 tests/qemuxml2xmltest.c                            |  2 +
 14 files changed, 375 insertions(+), 5 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-backing-chains-raw.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-virtio-raw.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-virtio-raw.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-backing-chains-raw-active.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-backing-chains-raw-inactive.xml

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2.0.2