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(-) -- 1.8.1.4
