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Re: [Qemu-devel] [Qemu-block] [PATCH] block: all I/O should be completed
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [Qemu-block] [PATCH] block: all I/O should be completed before removing throttle timers. |
Date: |
Fri, 10 Nov 2017 15:33:45 +0000 |
User-agent: |
Mutt/1.9.1 (2017-09-22) |
On Sat, Oct 21, 2017 at 01:34:00PM +0800, Zhengui Li wrote:
> From: Zhengui <address@hidden>
>
> In blk_remove_bs, all I/O should be completed before removing throttle
> timers. If there has inflight I/O, removing throttle timers here will
> cause the inflight I/O never return.
> This patch add bdrv_drained_begin before throttle_timers_detach_aio_context
> to let all I/O completed before removing throttle timers.
>
> Signed-off-by: Zhengui <address@hidden>
> ---
> block/block-backend.c | 4 ++++
> 1 file changed, 4 insertions(+)
Hi Zhengui,
Sorry it took so long to get thism merged!
Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block
I moved the declaration of bs as suggested by Berto when I merged the
patch.
Stefan
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