On 19.09.2016 18:44, John Snow wrote: > Final re-send for wording. > > 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 likely the simplest solution for now until we nail down our > policy a bit more. > > 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. > > v4: > Commit message update. > > v3: > Trying to take a hint from Kevin, reinstating bdrv_flush_all. > If it's not what we want, we can try moving back to v2, > acknowledging that a nicer solution in the future: > (A) Can skip flushing on devices that just don't need it, and > (B) Optionally institutes some sort of flush-on-eject policy. > > ________________________________________________________________________________ > > 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-v4: > https://github.com/jnsnow/qemu/releases/tag/atapi-tray-migfix-v4 > > John Snow (2): > block: reintroduce bdrv_flush_all > qemu: use bdrv_flush_all for vm_stop et al > > block/io.c | 25 +++++++++++++++++++++++++ > cpus.c | 4 ++-- > include/block/block.h | 1 + > 3 files changed, 28 insertions(+), 2 deletions(-)
Reviewed-by: Max Reitz <mre...@redhat.com>
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