On 13.09.18 14:52, Kevin Wolf wrote:
> A bdrv_drain operation must ensure that all parents are quiesced, this
> includes BlockBackends. Otherwise, callbacks called by requests that are
> completed on the BDS layer, but not quite yet on the BlockBackend layer
> could still create new requests.
>
>
A bdrv_drain operation must ensure that all parents are quiesced, this
includes BlockBackends. Otherwise, callbacks called by requests that are
completed on the BDS layer, but not quite yet on the BlockBackend layer
could still create new requests.
Signed-off-by: Kevin Wolf
Reviewed-by: Fam Zheng