Il 04/09/2013 14:35, Stefan Hajnoczi ha scritto:
> Changing from 512 KB to 64 KB can affect performance. 8 times as many
> iops may be issued to copy data.
>
> Also, the image's cluster size should really be taken into account.
> Otherwise additional inefficiency will be suffered when we populate
On Wed, Sep 18, 2013 at 11:32:31AM +0800, Fam Zheng wrote:
> On Wed, 09/04 14:35, Stefan Hajnoczi wrote:
> > On Thu, Aug 15, 2013 at 04:14:06PM +0800, Fam Zheng wrote:
> > > diff --git a/block/commit.c b/block/commit.c
> > > index 2227fc2..b5e024b 100644
> > > --- a/block/commit.c
> > > +++ b/block
On Wed, 09/04 14:35, Stefan Hajnoczi wrote:
> On Thu, Aug 15, 2013 at 04:14:06PM +0800, Fam Zheng wrote:
> > diff --git a/block/commit.c b/block/commit.c
> > index 2227fc2..b5e024b 100644
> > --- a/block/commit.c
> > +++ b/block/commit.c
> > @@ -17,14 +17,13 @@
> > #include "block/blockjob.h"
> >
On Thu, Aug 15, 2013 at 04:14:06PM +0800, Fam Zheng wrote:
> diff --git a/block/commit.c b/block/commit.c
> index 2227fc2..b5e024b 100644
> --- a/block/commit.c
> +++ b/block/commit.c
> @@ -17,14 +17,13 @@
> #include "block/blockjob.h"
> #include "qemu/ratelimit.h"
>
> -enum {
> -/*
> -
This patch eliminates limitation of committing the active device.
bdrv_drop_intermediate is reimplemented to take pointers to
(BlockDriverState *), so it can modify the caller's local pointers to
preserve their semantics, while updating active BDS in-place by
bdrv_swap active and base: we need dat