Re: [Qemu-devel] [PATCH v3 2/2] block: disable I/O throttling on sync api

[Stefan Hajnoczi]

On Sat, Mar 31, 2012 at 08:09:46PM +0800, Zhi Yong Wu wrote:
> On Fri, Mar 30, 2012 at 6:29 PM, Stefan Hajnoczi <address@hidden> wrote:
> > On Fri, Mar 30, 2012 at 9:50 AM,  <address@hidden> wrote:
> >> +     * When all sync I/O drivers are converted to async I/O, it will be 
> >> restored
> >> +     * to the original state.
> >
> > The problem here is that guess_disk_lchs() uses bdrv_read(), not
> > whether device emulation uses sync or async I/O.  Converting devices
> > to async I/O will not fix this.
> By the way, when you did testing, you applied #1 of this patchset? I
> think that it make sense for that assert issue to be fixed.

Yes, I applied both patches 1 and 2.

Stefan