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| From: | Paolo Bonzini |
| Subject: | [Qemu-devel] Re: [RFC] qed: Add QEMU Enhanced Disk format |
| Date: | Thu, 09 Sep 2010 18:48:17 +0200 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.10) Gecko/20100621 Fedora/3.0.5-1.fc13 Lightning/1.0b2pre Mnenhy/0.8.3 Thunderbird/3.0.5 |
On 09/09/2010 02:49 PM, Anthony Liguori wrote:
We should optimize for the future. That means a btrfs file system and/or enterprise storage.
So we should just implement a copy-on-read wrapper that generates a sparse raw image and uses FIEMAP (or whatever it is called these days) to test for the presence of extents. Then you let btrfs handle everything else...
Paolo
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