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Re: [Qemu-devel] [PATCH] qcow2: Change default for new images to compat=
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH] qcow2: Change default for new images to compat=1.1 |
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Date: |
Mon, 19 Aug 2013 15:08:13 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
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 <address@hidden>
Stefan