[libvirt] [PATCH 0/3] qemu: Fix race condition between block jobs and the end of migration

[Ján Tomko]

On Fri, Oct 20, 2017 at 02:04:26PM +0200, Jiri Denemark wrote:
>When migrating both memory and storage, we need to make sure block jobs
>are finished after the virtual CPUs get paused at the end of migration
>but before QEMU completes the migration otherwise QEMU may die with
>
>    _co_do_pwritev: Assertion `!(bs->open_flags & 0x0800)' failed
>
>This is a libvirt side of the QEMU fix from Dr. David Alan Gilbert:
>
>http://lists.nongnu.org/archive/html/qemu-devel/2017-10/msg04895.html
>
>Applicable on top of my "Preparation for new QEMU migration states"
>series I sent yesterday.
>
>Jiri Denemark (3):
>  qemu: Add support for migrate-continue QMP command
>  qemu: Add pause-before-switchover migration capability
>  qemu: Enabled pause-before-switchover migration capability
>
> src/qemu/qemu_domain.c       |  1 +
> src/qemu/qemu_domain.h       |  1 +
> src/qemu/qemu_migration.c    | 75 +++++++++++++++++++++++++++++++++++++++++++-
> src/qemu/qemu_monitor.c      | 18 +++++++++--
> src/qemu/qemu_monitor.h      |  6 ++++
> src/qemu/qemu_monitor_json.c | 29 +++++++++++++++++
> src/qemu/qemu_monitor_json.h |  4 +++
> 7 files changed, 131 insertions(+), 3 deletions(-)
>

ACK series

Jan
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