On Fri, Jun 24, 2016 at 08:39:27PM +0800, Fam Zheng wrote:
> v2: Only convert virtio-{blk,scsi}. [Paolo]
>
> This series is based on top of Cornelia's
>
> [PATCH 0/6] virtio: refactor host notifiers
>
> The benifit is we don't use event_notifier_set_handler even in non-dataplane
> now, which in turn makes virtio-blk and virtio-scsi follow block layer aio
> context semantics. Specifically, I/O requests must come from
> blk_get_aio_context(blk) events, rather than iohandler_get_aio_context(), so
> that bdrv_drained_begin/end will work as expected.
>
> Patch 4 reverts the hack (ab27c3b5e7) we added for 2.6. Lately, commit
> b880481579 added another pair of bdrv_drained_begin/end so the crash cannot
> happen even without ab27c3b5e7, but in order to avoid leaking requests, patch
> two is still a must.Looks good overall. I have left comments.
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