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Re: [Qemu-block] [Qemu-devel] [PATCH 1/3] commit: Fix completion with ex
From: |
Eric Blake |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH 1/3] commit: Fix completion with extra reference |
Date: |
Fri, 9 Jun 2017 07:05:06 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 |
On 06/09/2017 06:50 AM, Kevin Wolf wrote:
> commit_complete() can't assume that after its block_job_completed() the
> job is actually immediately freed; someone else may still be holding
> references. In this case, the op blockers on the intermediate nodes make
> the graph reconfiguration in the completion code fail.
>
> Call block_job_remove_all_bdrv() manually so that we know for sure that
> any blockers on intermediate nodes are given up.
>
> Cc: address@hidden
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
> block/commit.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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