I had to rebase the series due to conflicting changes on master. There are no other differences.
Berto v4: - Fix rebase conflicts after cb8503159a v3: https://lists.gnu.org/archive/html/qemu-block/2020-09/msg00912.html - Add a new patch to improve the reporting of BDRV_BLOCK_ZERO [Vladimir] - Rename function to bdrv_co_is_zero_fast() [Vladimir, Kevin] - Don't call bdrv_common_block_status_above() if bytes == 0 v2: https://lists.gnu.org/archive/html/qemu-block/2020-08/msg01165.html - Add new, simpler API: bdrv_is_unallocated_or_zero_above() v1: https://lists.gnu.org/archive/html/qemu-block/2020-08/msg00403.html Alberto Garcia (2): qcow2: Report BDRV_BLOCK_ZERO more accurately in bdrv_co_block_status() qcow2: Skip copy-on-write when allocating a zero cluster include/block/block.h | 2 ++ block/io.c | 35 +++++++++++++++++++++++++++++++---- block/qcow2.c | 35 +++++++++++++++++++---------------- 3 files changed, 52 insertions(+), 20 deletions(-) -- 2.20.1
