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Re: [Qemu-stable] [PATCH 0/2] Correct access to wrong BlockBackendPublic
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-stable] [PATCH 0/2] Correct access to wrong BlockBackendPublic structures |
Date: |
Tue, 18 Oct 2016 16:09:12 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 17.10.2016 um 17:46 hat Alberto Garcia geschrieben:
> Hi all,
>
> Paolo found that commit 27ccdd52598290f introduced a regression in the
> throttling code.
>
> It can be easily reproduced in scenarios where you have a throttling
> group with several drives but you only write to one of them. In that
> case the round-robin algorithm can select the wrong drive all the time
> and the actual requests are never completed.
>
> QEMU 2.7 is affected, here's the patch to fix it, plus a test case.
Thanks, applied to the block branch.
Kevin