Daniel P. Berrange, le Wed 28 Nov 2007 15:08:20 +, a écrit :
> > sometimes it is not because the guest is not so i/o friendly
> > and hence using the host page/buffer cache is useful.
>
> I don't buy that - all OS already do I/O caching because its useful even
> on baremetal.
Well, I can see
On Wed, Nov 28, 2007 at 02:34:02PM +, Samuel Thibault wrote:
> Daniel P. Berrange, le Wed 28 Nov 2007 14:27:39 +, a écrit :
> > On Wed, Nov 28, 2007 at 03:02:50PM +0100, Laurent Vivier wrote:
> > > These patches allow to open file using O_DIRECT and bypass the host I/O
> > > cache.
> > >
>
Samuel Thibault wrote:
Daniel P. Berrange, le Wed 28 Nov 2007 14:27:39 +, a écrit :
On Wed, Nov 28, 2007 at 03:02:50PM +0100, Laurent Vivier wrote:
These patches allow to open file using O_DIRECT and bypass the host I/O cache.
[PATCH 1/2] Add "directio" parameter to "-drive"
U
Daniel P. Berrange, le Wed 28 Nov 2007 14:27:39 +, a écrit :
> On Wed, Nov 28, 2007 at 03:02:50PM +0100, Laurent Vivier wrote:
> > These patches allow to open file using O_DIRECT and bypass the host I/O
> > cache.
> >
> > [PATCH 1/2] Add "directio" parameter to "-drive"
> >
> > Using "dir
On Wed, Nov 28, 2007 at 03:02:50PM +0100, Laurent Vivier wrote:
> These patches allow to open file using O_DIRECT and bypass the host I/O cache.
>
> [PATCH 1/2] Add "directio" parameter to "-drive"
>
> Using "directio=on" with "-drive" will open the disk image
> file using "O_DIRECT".
I
These patches allow to open file using O_DIRECT and bypass the host I/O cache.
[PATCH 1/2] Add "directio" parameter to "-drive"
Using "directio=on" with "-drive" will open the disk image
file using "O_DIRECT".
[PATCH 2/2] Direct IDE I/O
This patch enhances the "-drive ,directio=on
