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Re: [Qemu-devel] [PATCH v2 0/6] block: Fixes regarding dataplane and man

From: Kevin Wolf
Subject: Re: [Qemu-devel] [PATCH v2 0/6] block: Fixes regarding dataplane and management operations
Date: Fri, 7 Apr 2017 14:45:43 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

Am 07.04.2017 um 08:54 hat Fam Zheng geschrieben:
> v2: - Drop patch 4 in v1. A second thought made me feel neither it nor Kevin's
>       suggestion to move the BH process to bdrv_drain_recurse/BDRV_POLL_WHILE
>       is a complete fix. So leave it for a separate patch.
>     - Add rev-by to patches 1, 3, 4.
>     - Split from patch 1 in v1 and add patch 2, for the new assertions. 
> [Kevin]
>     - Rewrite patch 5. Fix block job's co when a BDS is moved to a different
>       aio context. [Kevin]
>     - Add patch 6.
> Crashes are reported on dataplane devices when doing snapshot and commit under
> guest I/O.
> With this series, Ed's test case '176' now passes (reran 10+ times):
>     https://github.com/skyportsystems/qemu-1/commits/eswierk-iotests-2.9
> The biggest fix for this is patch 5, which fixes a race condition between main
> thread and iothread.

Thanks, applied patch 1-3 for now. I feel the other patches still need
closer review and potentially discussion.


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