On 05/17/2016 11:53 PM, Fam Zheng wrote:
> Otherwise the job is orphaned and block_job_cancel_sync in
> bdrv_close_all() when quiting will hang.

s/quiting/quitting/

> 
> A simple reproducer is running blockdev-backup from null-co:// to
> null-co://.

Worth a qemu-iotests addition?

> 
> Cc: [email protected]
> Signed-off-by: Fam Zheng <[email protected]>
> ---
>  block/backup.c | 34 ++++++++++++++++++----------------
>  1 file changed, 18 insertions(+), 16 deletions(-)
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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