[Qemu-devel] [PATCH v3 0/4] qemu-img: fix bugs when cluster size is larger than the default value

[Hu Tao]

This series fixes several bugs of qcow2 when doing preallocation with a
cluster_size larger than the default value.

Hu Tao (4):
  qcow2: remove n_start and n_end of qcow2_alloc_cluster_offset()
  qcow2: fix offset overflow in qcow2_alloc_clusters_at()
  qcow2: check for NULL l2meta
  qemu-iotests: add test for qcow2 preallocation with different cluster
    sizes

 block/qcow2-cluster.c      | 14 ++++------
 block/qcow2-refcount.c     |  8 +++++-
 block/qcow2.c              | 31 +++++++++++----------
 block/qcow2.h              |  2 +-
 tests/qemu-iotests/079     | 69 ++++++++++++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/079.out | 32 +++++++++++++++++++++
 tests/qemu-iotests/group   |  1 +
 trace-events               |  2 +-
 8 files changed, 134 insertions(+), 25 deletions(-)
 create mode 100755 tests/qemu-iotests/079
 create mode 100644 tests/qemu-iotests/079.out

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1.8.5.2.229.g4448466