Re: [Qemu-devel] [PATCH v3 08/38] block: Invoke change media CB before NULLing drv

[Eric Blake]

On 06/03/2015 01:43 PM, Max Reitz wrote:
> In order to handle host device passthrough, some guest device models
> may call blk_is_inserted() to check whether the medium is inserted on
> the host, when checking the guest tray status.
> 
> This tray status is inquired by blk_dev_change_media_cb(); because
> bdrv_is_inserted() (invoked by blk_is_inserted()) always returns 0 for
> BDS with drv set to NULL, blk_dev_change_media_cb() should therefore be
> called before drv is set to NULL.
> 
> Signed-off-by: Max Reitz <address@hidden>
> ---
>  block.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 

Reviewed-by: Eric Blake <address@hidden>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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