Re: [PATCH 0/2] virtio-blk and scsi: replace dataplane_{start/stopping/started}

[Stefan Hajnoczi <stefanha@redhat.com>]

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On Mon, Aug 08, 2022 at 05:41:45AM -0400, Emanuele Giuseppe Esposito wrote:
> The way the dataplane stages at startup and stop are monitored is unnecessary
> complicated. In virtio-scsi we have dataplane_started, dataplane_starting and
> dataplane_stopping in VirtIOSCSI.
> In virtio-blk we have dataplene_started in VirtIOBlock, and starting and stopping
> in VirtIOBlockDataPlane.
> 
> Just replace all these flags with an atomic enum.
> 
> Based-on: 20220803162824.948023-1-stefanha@redhat.com

Hi Emanuele,
I posted a v2 of my virtio-scsi dataplane startup race condition fix
that's related to this patch. This time it's based on how virtio-blk
does it.

We can merge both our patch series or just one of them in order to fix
the race condition.

Stefan

> 
> Emanuele Giuseppe Esposito (2):
>   virtio-scsi: replace VirtIOBlock dataplane_{start/starting/stopped}
>     with enum
>   virtio-blk: replace dataplane_start/stopping/started with enum
> 
>  hw/block/dataplane/virtio-blk.c | 24 +++++++++---------------
>  hw/block/virtio-blk.c           |  9 +++++----
>  hw/scsi/virtio-scsi-dataplane.c | 21 +++++++++------------
>  hw/scsi/virtio-scsi.c           | 10 ++++++----
>  include/hw/virtio/virtio-blk.h  |  2 +-
>  include/hw/virtio/virtio-scsi.h |  5 ++---
>  include/hw/virtio/virtio.h      |  7 +++++++
>  7 files changed, 39 insertions(+), 39 deletions(-)
> 
> -- 
> 2.31.1
> 

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