Re: [Qemu-devel] [PATCH v6 0/4] qemu-img: add preallocation=full

[Stefan Hajnoczi <stefanha@redhat.com>]

On Tue, Mar 04, 2014 at 03:31:31PM +0800, Hu Tao wrote:
> On Mon, Mar 03, 2014 at 04:00:37PM +0100, Stefan Hajnoczi wrote:
> > On Fri, Feb 28, 2014 at 10:29:29AM +0800, Hu Tao wrote:
> > > This series implements full image preallocation to create a non-sparse image
> > > file at creation time, both for raw and qcow2 format. The purpose is to avoid
> > > performance deterioration of the guest cause by sparse image.
> > > 
> > > v6:
> > >   - add `Since 2.0' to PreallocMode 
> > >   - apply total_size change to raw-win32.c as well
> > > 
> > > Hu Tao (4):
> > >   qapi: introduce PreallocMode and a new PreallocMode full.
> > >   raw, qcow2: don't convert file size to sector size
> > >   raw-posix: Add full image preallocation option
> > >   qcow2: Add full image preallocation option
> > > 
> > >  block/qcow2.c     | 91 ++++++++++++++++++++++++++++++++++++++++++++++++-------
> > >  block/raw-posix.c | 45 +++++++++++++++++++++------
> > >  block/raw-win32.c |  4 +--
> > >  qapi-schema.json  | 14 +++++++++
> > >  4 files changed, 132 insertions(+), 22 deletions(-)
> > 
> > Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
> 
> Stefan, Kevin,
> 
> Is this series in time for 2.0?

Yes, it was on the mailing list before soft freeze so it is a candidate
for 2.0.  In some cases maintainers may decide to hold back if they feel
a patch series imposes a high risk of breaking things - but I think this
series should be okay.

Stefan