Re: [Qemu-devel] [PATCH v2 0/4] mirror: Fix behavior for zero byte image

[Fam Zheng <famz@redhat.com>]

On Mon, 06/09 10:56, Fam Zheng wrote:
> The current behavior of mirroring zero byte image is slightly different from
> non-zero image: the BLOCK_JOB_READY event is skipped and job is completed
> immediately. This is not a big problem for human user but only makes management
> software harder to write. Since we are focusing on an good API instead of UI,
> let's make the behavior more consistent and predictable.
> 
> The first patch fixes the behavior. The following two patches add test case for
> the involved code path.
> 
> Thanks for Eric Blake to report this!

Ping. Shall we merge this before it rots?

Thanks,
Fam

> 
> 
> v2: Address Stefan's comments.
> 
>     - Added patch 01: block_job_yield.
>     - Use block_job_yield in 02.
>     - Fix test case updates.
> 
> Thanks to Stefan, Paolo and Eric for reviewing!
> 
> Fam
> 
> 
> Fam Zheng (4):
>   blockjob: Add block_job_yield()
>   mirror: Go through ready -> complete process for 0 len image
>   qemu-iotests: Test BLOCK_JOB_READY event for 0Kb image active commit
>   qemu-iotests: Test 0-length image for mirror
> 
>  block/mirror.c             | 11 ++++++++++-
>  blockjob.c                 | 14 ++++++++++++++
>  include/block/blockjob.h   |  8 ++++++++
>  tests/qemu-iotests/040     | 12 +++++++++---
>  tests/qemu-iotests/040.out |  4 ++--
>  tests/qemu-iotests/041     |  9 ++++++---
>  tests/qemu-iotests/041.out |  4 ++--
>  7 files changed, 51 insertions(+), 11 deletions(-)
> 
> -- 
> 2.0.0
>