On Fri, Apr 07, 2017 at 02:54:09PM +0800, Fam Zheng wrote:
> bdrv_replace_child_noperm tries to hand over the quiesce_counter state
> from old bs to the new one, but if they are not on the same aio context
> this causes unbalance.
> 
> Fix this by setting the correct aio context before calling
> bdrv_append().
> 
> Reported-by: Ed Swierk <eswi...@skyportsystems.com>
> Reviewed-by: Eric Blake <ebl...@redhat.com>
> Signed-off-by: Fam Zheng <f...@redhat.com>
> ---
>  blockdev.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>

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