Re: [RFC qemu 0/6] mirror: implement incremental and bitmap modes

[John Snow]

On 2/18/20 5:07 AM, Fabian Grünbichler wrote:
> picking up on John's in-progress patch series from last summer, this is
> a stab at rebasing and adding test cases for the low-hanging fruits:
> 
> - bitmap mirror mode with always/on-success/never bitmap sync mode
> - incremental mirror mode as sugar for bitmap + on-success
> 
> Fabian Grünbichler (4):
>   mirror: add check for bitmap-mode without bitmap
>   mirror: switch to bdrv_dirty_bitmap_merge_internal
>   iotests: add test for bitmap mirror
>   mirror: move some checks to QMP
> 
> John Snow (2):
>   drive-mirror: add support for sync=bitmap mode=never
>   drive-mirror: add support for conditional and always bitmap sync modes
> 
>  include/block/block_int.h   |    4 +-
>  block/mirror.c              |   96 +-
>  blockdev.c                  |   71 +-
>  tests/test-block-iothread.c |    4 +-
>  qapi/block-core.json        |   29 +-
>  tests/qemu-iotests/284      |  547 +++++++
>  tests/qemu-iotests/284.out  | 2846 +++++++++++++++++++++++++++++++++++
>  tests/qemu-iotests/group    |    1 +
>  8 files changed, 3567 insertions(+), 31 deletions(-)
>  create mode 100755 tests/qemu-iotests/284
>  create mode 100644 tests/qemu-iotests/284.out
> 

Hi Fabian! Thanks for picking this up. I'm a bit behind on my mail, but
this on my list to look at.

(Hint to other maintainers: It might be a while.)

--js