On Thu, Sep 19, 2013 at 06:48:52PM +0200, Paolo Bonzini wrote: > The first bug is simply that in 1.6.0 the default was changed by mistake > to cache=unsafe. This affects all block drivers. It is fixed in the > first patch. > > The second is that Linux guests that support the CONFIG_WCE option were > mistaken into thinking that caching was writethrough, and thus did not > send any flush. The bug is in QEMU, and is fixed by the second patch. > > Paolo Bonzini (2): > blockdev: do not default cache.no-flush to true > virtio-blk: do not relay a previous driver's WCE configuration to the > current > > blockdev.c | 2 +- > hw/block/virtio-blk.c | 8 ++++++-- > include/hw/virtio/virtio-blk.h | 1 + > 3 files changed, 8 insertions(+), 3 deletions(-) > > -- > 1.8.3.1 > >
Thanks, applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan