[Qemu-devel] [PATCH v2 00/18] qcow2: Basic version 3 support

[Kevin Wolf]

v2:
- Changed refcount_bits to refcount_order (Anthony)
- Removed leftover reference to subclusters (Stefan)
- Be explicit about allowed values for the bit number in the feature
  name table (Stefan)

Kevin Wolf (17):
  Specification for qcow2 version 3
  qcow2: Save disk size in snapshot header
  qcow2: Ignore reserved bits in get_cluster_offset
  qcow2: Ignore reserved bits in count_contiguous_clusters()
  qcow2: Fail write_compressed when overwriting data
  qcow2: Ignore reserved bits in L1/L2 entries
  qcow2: Refactor qcow2_free_any_clusters
  qcow2: Simplify count_cow_clusters
  qcow2: Ignore reserved bits in refcount table entries
  qcow2: Ignore reserved bits in check_refcounts
  qcow2: Version 3 images
  qcow2: Support reading zero clusters
  qcow2: Support for feature table header extension
  qemu-iotests: Test backing file COW with zero clusters
  qcow2: Zero write support
  qemu-iotests: Add -o and make v3 the default for qcow2
  qemu-iotests: Fix test 031 for qcow2 v3 support

Paolo Bonzini (1):
  qemu-iotests: add a simple test for write_zeroes

 block.c                      |   14 ++-
 block/qcow2-cluster.c        |  224 +++++++++++++++++++++++++++----------
 block/qcow2-refcount.c       |  156 +++++++++++++++-----------
 block/qcow2-snapshot.c       |   16 +++
 block/qcow2.c                |  252 ++++++++++++++++++++++++++++++++++++++----
 block/qcow2.h                |   59 ++++++++++-
 block_int.h                  |    1 +
 docs/specs/qcow2.txt         |  122 +++++++++++++++++----
 tests/qemu-iotests/031       |   44 +++++---
 tests/qemu-iotests/031.out   |  130 +++++++++++++++++++++-
 tests/qemu-iotests/033       |   73 ++++++++++++
 tests/qemu-iotests/033.out   |   29 +++++
 tests/qemu-iotests/034       |  113 +++++++++++++++++++
 tests/qemu-iotests/034.out   |   81 ++++++++++++++
 tests/qemu-iotests/check     |    6 +-
 tests/qemu-iotests/common    |   17 +++
 tests/qemu-iotests/common.rc |   34 ++++++-
 tests/qemu-iotests/group     |    2 +
 tests/qemu-iotests/qcow2.py  |   24 +++-
 19 files changed, 1188 insertions(+), 209 deletions(-)
 create mode 100755 tests/qemu-iotests/033
 create mode 100644 tests/qemu-iotests/033.out
 create mode 100755 tests/qemu-iotests/034
 create mode 100644 tests/qemu-iotests/034.out

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1.7.6.5