Following Max's suggestion, this version sets supported_zero_flags. Berto
v4: - Set supported_zero_flags in quorum [Max] - Update test to verify the data written before doing 'write -z' [Max] v3: https://lists.gnu.org/archive/html/qemu-block/2020-11/msg00371.html - Fall back to BDRV_BLOCK_DATA if a child returns an error. v2: https://lists.gnu.org/archive/html/qemu-block/2020-11/msg00259.html - Implement bdrv_co_pwrite_zeroes() for quorum v1: https://lists.gnu.org/archive/html/qemu-block/2020-11/msg00163.html Alberto Garcia (2): quorum: Implement bdrv_co_block_status() quorum: Implement bdrv_co_pwrite_zeroes() block/quorum.c | 88 +++++++++++++++++++- tests/qemu-iotests/312 | 159 +++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/312.out | 75 +++++++++++++++++ tests/qemu-iotests/group | 1 + 4 files changed, 321 insertions(+), 2 deletions(-) create mode 100755 tests/qemu-iotests/312 create mode 100644 tests/qemu-iotests/312.out -- 2.20.1
