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From: Eric Blake <eblake@redhat.com>
To: Fam Zheng <famz@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	jcody@redhat.com, Stefan Hajnoczi <stefanha@redhat.com>,
	Max Reitz <mreitz@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 0/3] mirror: Fix behavior for zero byte image
Date: Wed, 04 Jun 2014 21:57:03 -0600	[thread overview]
Message-ID: <538FEA8F.1090809@redhat.com> (raw)
In-Reply-To: <1401939756-11150-1-git-send-email-famz@redhat.com>

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On 06/04/2014 09:42 PM, 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!
> 
> Fam
> 

Thanks for a speedy fix.

Series: Reviewed-by: Eric Blake <eblake@redhat.com>

> 
> Fam Zheng (3):
>   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 ++++++++++-
>  tests/qemu-iotests/040     | 11 ++++++++++-
>  tests/qemu-iotests/040.out |  4 ++--
>  tests/qemu-iotests/041     |  5 +++++
>  tests/qemu-iotests/041.out |  4 ++--
>  5 files changed, 29 insertions(+), 6 deletions(-)
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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      parent reply	other threads:[~2014-06-05  3:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-05  3:42 [Qemu-devel] [PATCH 0/3] mirror: Fix behavior for zero byte image Fam Zheng
2014-06-05  3:42 ` [Qemu-devel] [PATCH 1/3] mirror: Go through ready -> complete process for 0 len image Fam Zheng
2014-06-05 11:17   ` Stefan Hajnoczi
2014-06-05 11:26     ` Paolo Bonzini
2014-06-05  3:42 ` [Qemu-devel] [PATCH 2/3] qemu-iotests: Test BLOCK_JOB_READY event for 0Kb image active commit Fam Zheng
2014-06-05 11:22   ` Stefan Hajnoczi
2014-06-05  3:42 ` [Qemu-devel] [PATCH 3/3] qemu-iotests: Test 0-length image for mirror Fam Zheng
2014-06-05 11:26   ` Stefan Hajnoczi
2014-06-05  3:57 ` Eric Blake [this message]

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