On 02.12.19 13:15, Andrey Shinkevich wrote:
> The compression filter driver is introduced as suggested by Max.
> A sample usage of the filter can be found in the test #214.
> Now, multiple clusters can be written compressed.
> It is useful for the backup job.
>
> v12:
> 01: Missed to change the driver interface .bdrv_co_block_status
> from _status_from_backing to _status_from_file (noticed by
> Vladimir).
>
> Andrey Shinkevich (3):
> block: introduce compress filter driver
> qcow2: Allow writing compressed data of multiple clusters
> tests/qemu-iotests: add case to write compressed data of multiple
> clusters
>
> block/Makefile.objs | 1 +
> block/filter-compress.c | 168 +++++++++++++++++++++++++++++++++++++++++++++
> block/qcow2.c | 102 +++++++++++++++++++--------
> qapi/block-core.json | 10 +--
> tests/qemu-iotests/214 | 43 ++++++++++++
> tests/qemu-iotests/214.out | 14 ++++
> 6 files changed, 307 insertions(+), 31 deletions(-)
> create mode 100644 block/filter-compress.c
Thanks, fixed patch 1 and applied to my block branch:
https://git.xanclic.moe/XanClic/qemu/commits/branch/block
Max