Hi, While looking for why handle_alloc_space() seems to cause issues on ppc64le+XFS (performance degradation and data corruption), I spotted this other issue. It isn’t as bad, but still needs fixing.
See patch 1 for what is fixed and patch 2 for what breaks otherwise. Max Reitz (2): qcow2: Limit total allocation range to INT_MAX iotests: Test large write request to qcow2 file block/qcow2-cluster.c | 5 ++- tests/qemu-iotests/268 | 83 ++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/268.out | 9 +++++ tests/qemu-iotests/group | 1 + 4 files changed, 97 insertions(+), 1 deletion(-) create mode 100755 tests/qemu-iotests/268 create mode 100644 tests/qemu-iotests/268.out -- 2.21.0
