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Re: [Qemu-devel] [PATCH v2 0/4] mirror: Fix behavior for zero byte image
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/4] mirror: Fix behavior for zero byte image |
Date: |
Tue, 24 Jun 2014 12:25:03 +0800 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
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
>