Re: [Qemu-devel] [PATCH] Flush pending AIO on reboot and shutdown.

[Anthony Liguori]

Avi Kivity wrote:
> Anthony Liguori wrote:
> > > I though about doing it this way, but then I saw that 
> > > qemu_register_reset()
> > > is used for HW reset notification only. I don't think that hw/ide.c 
> > > is the
> > > right place to register the notifier though, so I decided to call it
> > > explicitly. Do you think I should do qemu_register_reset() in block.c?
> > >   
> >
> > But shouldn't the various disk types be the ones to flush their 
> > outstanding IO on reset?
>
> Do you mean qemu block drivers, or disk controllers?

The disk controllers.  It's a semantic of the disk controller itself 
(what happens on reset if there are outstanding requests).  Do those 
requests complete or are the cancelled?

Regards,

Anthony Liguori