There are (at least...) two bugs in preallocated truncation, which this series fixes.
Both would have been apparent if the the related iotest had used the default cluster size in addition to 512 byte clusters, but alas, it did not. This is remedied by patch 3 of this series. Max Reitz (3): qcow2: Fix unaligned preallocated truncation qcow2: Always execute preallocate() in a coroutine iotests: Add cluster_size=64k to 125 block/qcow2.c | 42 +++- tests/qemu-iotests/125 | 7 +- tests/qemu-iotests/125.out | 480 ++++++++++++++++++++++++++++++++++++++++----- 3 files changed, 472 insertions(+), 57 deletions(-) -- 2.13.6
