Re: [PATCH v12 0/3] qcow2: advanced compression options

[Max Reitz]

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

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