Re: [PATCH v5 3/6] block: Acquire AioContexts during bdrv_reopen_multiple()

[Vladimir Sementsov-Ogievskiy]

06.07.2021 14:23, Kevin Wolf wrote:
> As the BlockReopenQueue can contain nodes in multiple AioContexts, only
> one of which may be locked when AIO_WAIT_WHILE() can be called, we can't
> let the caller lock the right contexts. Instead, individually lock the
> AioContext of a single node when iterating the queue.
>
> Reintroduce bdrv_reopen() as a wrapper for reopening a single node that
> drains the node and temporarily drops the AioContext lock for
> bdrv_reopen_multiple().
>
> Signed-off-by: Kevin Wolf<kwolf@redhat.com>

I don't have the whole picture in mind. But looks clear:

Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

--
Best regards,
Vladimir