[for-5.1,v2,0/2] qemu-img convert -n: Keep qcow2 v2 target sparse

Message

Kevin Wolf July 21, 2020, 1:55 p.m. UTC

v2:
- Fixed iotest for IMGOPTS that contains v3-only features [Max]
- Some code cleanups in the iotest [Nir]

Kevin Wolf (2):
  qcow2: Implement v2 zero writes with discard if possible
  iotests: Test sparseness for qemu-img convert -n

 block/qcow2-cluster.c      |  9 ++++++++-
 tests/qemu-iotests/122     | 30 ++++++++++++++++++++++++++++++
 tests/qemu-iotests/122.out | 17 +++++++++++++++++
 3 files changed, 55 insertions(+), 1 deletion(-)