From: Stefan Hajnoczi <stefanha@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] qcow2: Change default for new images to compat=1.1
Date: Mon, 19 Aug 2013 15:08:13 +0200 [thread overview]
Message-ID: <20130819130813.GF4829@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1376904333-30336-1-git-send-email-kwolf@redhat.com>
On Mon, Aug 19, 2013 at 11:25:33AM +0200, Kevin Wolf wrote:
> By the time that qemu 1.7 will be released, enough time will has passed
s/has/have/
> since qemu 1.1, which is the first version to understand version 3
> images, that changing the default shouldn't hurt many people any more
> and the benefits of using the new format outweigh the pain.
In particular, compat=1.1 images include:
* Feature bit fields which make the format more easily extensible
* Zero clusters for data cluster preallocation, discard, efficient zero
block migration, or block-backup
* Lazy refcounts
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan
next prev parent reply other threads:[~2013-08-19 13:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-19 9:25 [Qemu-devel] [PATCH] qcow2: Change default for new images to compat=1.1 Kevin Wolf
2013-08-19 13:08 ` Stefan Hajnoczi [this message]
2013-08-19 16:06 ` Eric Blake
2013-08-23 11:05 ` Ján Tomko
2013-08-27 8:00 ` Kevin Wolf
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