Re: [Qemu-devel] [PATCH v5 0/3] block: allow flush on devices with open tray

[Max Reitz]

On 23.09.2016 03:45, John Snow wrote:
> When I said "Final re-send," I was lying. Here's a v5.
> The title is also a misnomer by now :)
> 
> The move to blk_flush altered the behavior of migration and flushing
> nodes that are not reachable via the guest, but are still reachable
> via QEMU and may or may not need to be flushed.
> 
> This is intended for 2.6.2 and/or 2.7.1, to fix problems with libvirt
> et al being unable to migrate QEMU when the CDROM tray is open.
> 
> v5:
>  Fix bracket spacing in patch 1. By one space. :(
>  Added third patch to remove blk_flush_all.
> 
> v4:
>  Commit message update.
> 
> v3:
>  Reworking approach and reinstating bdrv_flush_all at Kevin's suggestion.
> 
> ________________________________________________________________________________
> 
> For convenience, this branch is available at:
> https://github.com/jnsnow/qemu.git branch atapi-tray-migfix
> https://github.com/jnsnow/qemu/tree/atapi-tray-migfix
> 
> This version is tagged atapi-tray-migfix-v5:
> https://github.com/jnsnow/qemu/releases/tag/atapi-tray-migfix-v5
> 
> John Snow (3):
>   block: reintroduce bdrv_flush_all
>   qemu: use bdrv_flush_all for vm_stop et al
>   block-backend: remove blk_flush_all
> 
>  block/block-backend.c          | 22 ----------------------
>  block/io.c                     | 25 +++++++++++++++++++++++++
>  cpus.c                         |  4 ++--
>  hw/i386/xen/xen_platform.c     |  2 --
>  hw/ide/piix.c                  |  4 ++++
>  include/block/block.h          |  1 +
>  include/sysemu/block-backend.h |  1 -
>  7 files changed, 32 insertions(+), 27 deletions(-)

Reviewed-by: Max Reitz <address@hidden>

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