On Wed, Jun 29, 2016 at 09:12:41AM +0800, Fam Zheng wrote:
> On Tue, 06/28 12:10, Denis V. Lunev wrote:
> > On 06/28/2016 04:27 AM, Fam Zheng wrote:
> > > On Mon, 06/27 17:47, Denis V. Lunev wrote:
> > > > From: Evgeny Yakovlev
> > > >
> > > > Some guests (win2008 server for example) do a lot of
On 06/29/2016 04:12 AM, Fam Zheng wrote:
On Tue, 06/28 12:10, Denis V. Lunev wrote:
On 06/28/2016 04:27 AM, Fam Zheng wrote:
On Mon, 06/27 17:47, Denis V. Lunev wrote:
From: Evgeny Yakovlev
Some guests (win2008 server for example) do a lot of unnecessary
flushing when underlying media has no
On Tue, 06/28 12:10, Denis V. Lunev wrote:
> On 06/28/2016 04:27 AM, Fam Zheng wrote:
> > On Mon, 06/27 17:47, Denis V. Lunev wrote:
> > > From: Evgeny Yakovlev
> > >
> > > Some guests (win2008 server for example) do a lot of unnecessary
> > > flushing when underlying media has not changed. This
On 06/28/2016 04:27 AM, Fam Zheng wrote:
On Mon, 06/27 17:47, Denis V. Lunev wrote:
From: Evgeny Yakovlev
Some guests (win2008 server for example) do a lot of unnecessary
flushing when underlying media has not changed. This adds additional
overhead on host when calling fsync/fdatasync.
This c
On Mon, 06/27 17:47, Denis V. Lunev wrote:
> From: Evgeny Yakovlev
>
> Some guests (win2008 server for example) do a lot of unnecessary
> flushing when underlying media has not changed. This adds additional
> overhead on host when calling fsync/fdatasync.
>
> This change introduces a dirty flag
From: Evgeny Yakovlev
Some guests (win2008 server for example) do a lot of unnecessary
flushing when underlying media has not changed. This adds additional
overhead on host when calling fsync/fdatasync.
This change introduces a dirty flag in BlockDriverState which is set
in bdrv_set_dirty and is
