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From: | Max Reitz |
Subject: | Re: [Qemu-devel] [PATCH 0/2] qcow2: Discard VM state in active L1 after creating snapshot |
Date: | Mon, 09 Sep 2013 16:27:56 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130805 Thunderbird/17.0.8 |
On 2013-09-06 12:32, Kevin Wolf wrote:
This series fixes that 'savevm' becomes much slower after the first snapshot. The reason is unnecessary COW for the VM state, which is now avoided. Kevin Wolf (2): qcow2: Pass discard type to qcow2_discard_clusters() qcow2: Discard VM state in active L1 after creating snapshot block/qcow2-cluster.c | 8 ++++---- block/qcow2-snapshot.c | 7 +++++++ block/qcow2.c | 7 +------ block/qcow2.h | 7 ++++++- 4 files changed, 18 insertions(+), 11 deletions(-)
Reviewed-by: Max Reitz <address@hidden>
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