[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v3 2/2] block: disable I/O throttling on sync ap
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH v3 2/2] block: disable I/O throttling on sync api |
Date: |
Mon, 2 Apr 2012 08:42:36 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
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
- Re: [Qemu-devel] [PATCH v3 2/2] block: disable I/O throttling on sync api,
Stefan Hajnoczi <=