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Re: [Qemu-devel] [PATCH v2 for-4.1 2/2] iotests: Test backup job with tw
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
Re: [Qemu-devel] [PATCH v2 for-4.1 2/2] iotests: Test backup job with two guest writes |
Date: |
Thu, 1 Aug 2019 18:02:00 +0000 |
01.08.2019 20:39, Max Reitz wrote:
> Perform two guest writes to not yet backed up areas of an image, where
> the former touches an inner area of the latter.
>
> Before HEAD^, copy offloading broke this in two ways:
> (1) The target image differs from the reference image (what the source
> was when the backup started).
> (2) But you will not see that in the failing output, because the job
> offset is reported as being greater than the job length. This is
> because one cluster is copied twice, and thus accounted for twice,
> but of course the job length does not increase.
>
> Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Tested-by: Vladimir Sementsov-Ogievskiy <address@hidden>
--
Best regards,
Vladimir
- [Qemu-devel] [PATCH v2 for-4.1 0/2] backup: Copy only dirty areas, Max Reitz, 2019/08/01
- [Qemu-devel] [PATCH v2 for-4.1 1/2] backup: Copy only dirty areas, Max Reitz, 2019/08/01
- [Qemu-devel] [PATCH v2 for-4.1 2/2] iotests: Test backup job with two guest writes, Max Reitz, 2019/08/01
- Re: [Qemu-devel] [PATCH v2 for-4.1 2/2] iotests: Test backup job with two guest writes,
Vladimir Sementsov-Ogievskiy <=
- Re: [Qemu-devel] [PATCH v2 for-4.1 0/2] backup: Copy only dirty areas, no-reply, 2019/08/01
- Re: [Qemu-devel] [PATCH v2 for-4.1 0/2] backup: Copy only dirty areas, Kevin Wolf, 2019/08/02
- Re: [Qemu-devel] [PATCH v2 for-4.1 0/2] backup: Copy only dirty areas, Max Reitz, 2019/08/05