[Qemu-devel] [PATCH 0/2] qcow2: Discard VM state in active L1 after creating snapshot

[Kevin Wolf]

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