From: Kevin Wolf <kwolf@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: amulya.lokesha@emc.com, jcody@redhat.com, qemu-devel@nongnu.org,
mreitz@redhat.com
Subject: Re: [Qemu-devel] [PATCH] vhdx: Return true for bdrv_has_zero_init
Date: Fri, 23 Oct 2015 18:00:52 +0200 [thread overview]
Message-ID: <20151023160052.GO3797@noname.redhat.com> (raw)
In-Reply-To: <20151023153220.GI5977@stefanha-x1.localdomain>
Am 23.10.2015 um 17:32 hat Stefan Hajnoczi geschrieben:
> On Fri, Dec 05, 2014 at 11:26:49AM +0100, Kevin Wolf wrote:
> > Like for most other image formats, vhdx images read as all zero in qemu
> > after their creation (we're taking advantage from the fact that qemu has
> > just created the image, because PAYLOAD_BLOCK_NOT_PRESENT actually means
> > undefined rather than zeroed according to the spec).
> >
> > This fixes that 'qemu-img convert' to vhdx fully populates the image.
> >
> > Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> > ---
> > block/vhdx.c | 1 +
> > 1 file changed, 1 insertion(+)
>
> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Hasn't this been implemented in commit 85b712c9 almost a year ago?
Kevin
next prev parent reply other threads:[~2015-10-23 16:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-05 10:26 [Qemu-devel] [PATCH] vhdx: Return true for bdrv_has_zero_init Kevin Wolf
2014-12-05 11:06 ` Max Reitz
2014-12-05 11:07 ` Kevin Wolf
2014-12-05 14:35 ` Jeff Cody
2014-12-05 11:49 ` Kevin Wolf
2014-12-05 14:34 ` Jeff Cody
2015-10-23 15:32 ` Stefan Hajnoczi
2015-10-23 16:00 ` Kevin Wolf [this message]
2015-10-26 10:43 ` Stefan Hajnoczi
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