On 11/04/2018 18:39, Kevin Wolf wrote:
> For bdrv_drain(), recursively waiting for child node requests is
> pointless because we didn't quiesce their parents, so new requests could
> come in anyway. Letting the function work only on a single node makes it
> more consistent.
>
> For subtree drains
For bdrv_drain(), recursively waiting for child node requests is
pointless because we didn't quiesce their parents, so new requests could
come in anyway. Letting the function work only on a single node makes it
more consistent.
For subtree drains and drain_all, we already have the recursion in
bdr