Re: [Qemu-block] [PATCH 1/3] blockdev: abort transactions in reverse order

[Eric Blake]

On 12/6/18 1:25 PM, John Snow wrote:
> Presently, we abort transactions in the same order they were processed in.
> Bitmap commands, though, attempt to restore backup data structures on abort.
> To that end, though, they need to be aborted in reverse chronological order.
>
> Replace the QSIMPLEQ data structure with a QTAILQ one, so we can iterate
> in reverse for the abort phase of the transaction.
>
> Signed-off-by: John Snow <address@hidden>
> ---
>   blockdev.c | 14 +++++++-------
>   1 file changed, 7 insertions(+), 7 deletions(-)

Does this need to cc qemu-stable? I'm trying to figure out if it affects 
any of the transactions issued by my libvirt code demo'd at KVM Forum.

Reviewed-by: Eric Blake <address@hidden>

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org