Re: [Qemu-block] [PATCH v2 13/16] blk: fix aio context loss on media change

[Stefan Hajnoczi]

On Wed, Apr 19, 2017 at 05:43:53PM +0800, Fam Zheng wrote:
> From: Vladimir Sementsov-Ogievskiy <address@hidden>
> 
> If we have separate iothread for cdrom, we lose connection to it on
> qmp_blockdev_change_medium, as aio_context is on bds which is dropped
> and switched with new one.
> 
> As an example result, after such media change we have crash on
> virtio_scsi_ctx_check: Assertion `blk_get_aio_context(d->conf.blk) == s->ctx' 
> failed.
> 
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> Signed-off-by: Fam Zheng <address@hidden>
> ---
>  block/block-backend.c | 6 ++++++
>  1 file changed, 6 insertions(+)

Reviewed-by: Stefan Hajnoczi <address@hidden>

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