[PATCH 0/5] qemu: Introduce control of qcow2 metadata cache maximum size

[Peter Krempa]

See patch 3/5 for explanation.

Peter Krempa (5):
  virDomainDiskDefFormatDriver: Rename 'driverBuf' to 'attrBuf'
  virDomainSnapshotDiskDefFormat: Use virXMLFormatElement
  conf: Introduce <metadata_cache> subelement of <disk><driver>
  conf: snapshot: Add support for <metadata_cache>
  qemu: Implement '<metadata_cache><max_size>' control for qcow2

 docs/formatdomain.rst                         | 43 ++++++++++
 docs/formatsnapshot.html.in                   |  4 +
 docs/schemas/domaincommon.rng                 | 20 ++++-
 docs/schemas/domainsnapshot.rng               | 10 ++-
 src/conf/domain_conf.c                        | 81 ++++++++++++++-----
 src/conf/snapshot_conf.c                      | 50 ++++++++----
 src/qemu/qemu_block.c                         | 11 +++
 src/qemu/qemu_domain.c                        | 15 ++++
 src/qemu/qemu_snapshot.c                      | 14 ++++
 src/util/virstoragefile.c                     |  1 +
 src/util/virstoragefile.h                     |  2 +
 .../qcow2-metadata-cache.xml                  | 14 ++++
 .../qcow2-metadata-cache.xml                  | 18 +++++
 tests/qemudomainsnapshotxml2xmltest.c         |  3 +
 .../disk-metadata-cache.x86_64-latest.args    | 57 +++++++++++++
 .../qemuxml2argvdata/disk-metadata-cache.xml  | 46 +++++++++++
 tests/qemuxml2argvtest.c                      |  1 +
 .../disk-metadata-cache.x86_64-latest.xml     | 58 +++++++++++++
 tests/qemuxml2xmltest.c                       |  1 +
 19 files changed, 411 insertions(+), 38 deletions(-)
 create mode 100644 tests/qemudomainsnapshotxml2xmlin/qcow2-metadata-cache.xml
 create mode 100644 tests/qemudomainsnapshotxml2xmlout/qcow2-metadata-cache.xml
 create mode 100644 tests/qemuxml2argvdata/disk-metadata-cache.x86_64-latest.args
 create mode 100644 tests/qemuxml2argvdata/disk-metadata-cache.xml
 create mode 100644 tests/qemuxml2xmloutdata/disk-metadata-cache.x86_64-latest.xml

-- 
2.29.2