On Tue, Nov 30, 2010 at 11:46:48AM -0200, Marcelo Tosatti wrote: > On Tue, Nov 30, 2010 at 03:34:29PM +0200, Michael S. Tsirkin wrote: > > On Tue, Nov 30, 2010 at 10:45:40AM -0200, Marcelo Tosatti wrote: > > > On Wed, Nov 24, 2010 at 05:52:58PM +0200, Michael S. Tsirkin wrote: > > > > Make sure disk is in consistent state. > > > > > > > > Signed-off-by: Michael S. Tsirkin <m...@redhat.com> > > > > Tested-by: Jason Wang <jasow...@redhat.com> > > > > --- > > > > cpus.c | 2 ++ > > > > 1 files changed, 2 insertions(+), 0 deletions(-) > > > > > > > > diff --git a/cpus.c b/cpus.c > > > > index 91a0fb1..d421a96 100644 > > > > --- a/cpus.c > > > > +++ b/cpus.c > > > > @@ -110,6 +110,8 @@ static void do_vm_stop(int reason) > > > > cpu_disable_ticks(); > > > > vm_running = 0; > > > > pause_all_vcpus(); > > > > + qemu_aio_flush(); > > > > + bdrv_flush_all(); > > > > > > Can you move these after vm_state_notify? qemu-kvm stops vcpus there. > > > > > > > vm_state_notify(0, reason); > > > > monitor_protocol_event(QEVENT_STOP, NULL); > > > > } > > > > Like this: > > > > cpus: flush all requests on each vm stop > > > > Make sure disk is in consistent state. > > > > Signed-off-by: Michael S. Tsirkin <m...@redhat.com> > > Tested-by: Jason Wang <jasow...@redhat.com> > > > > --- > > > > diff --git a/cpus.c b/cpus.c > > index 91a0fb1..d421a96 100644 > > --- a/cpus.c > > +++ b/cpus.c > > @@ -110,6 +110,8 @@ static void do_vm_stop(int reason) > > cpu_disable_ticks(); > > vm_running = 0; > > pause_all_vcpus(); > > + qemu_aio_flush(); > > + bdrv_flush_all(); > > vm_state_notify(0, reason); > > monitor_protocol_event(QEVENT_STOP, NULL); > > } > > No, after vm_state_notify.
Like this then: cpus: flush all requests on each vm stop Flush all requests once we have stopped all cpus and devices. Make sure disk is in consistent state. Signed-off-by: Michael S. Tsirkin <m...@redhat.com> Tested-by: Jason Wang <jasow...@redhat.com> diff --git a/cpus.c b/cpus.c index 91a0fb1..0309189 100644 --- a/cpus.c +++ b/cpus.c @@ -111,6 +111,8 @@ static void do_vm_stop(int reason) vm_running = 0; pause_all_vcpus(); vm_state_notify(0, reason); + qemu_aio_flush(); + bdrv_flush_all(); monitor_protocol_event(QEVENT_STOP, NULL); } }