Re: [Qemu-devel] [Qemu-block] [PATCH] block: all I/O should be completed before removing throttle timers.

[Stefan Hajnoczi]

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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