Re: [libvirt] [PATCH] qemu:Add support L2 table cache for qcow2 disk

The patch add support L2 table cache for qcow2 disk. L2 table cache can improve IO read and write performance for qcow2 img. Diff follows: src/conf/domain_conf.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ src/conf/domain_conf.h | 5 +++++ src/qemu/qemu_command.c | 7 +++++++ src/qemu/qemu_domain.c | 6 ++++++ tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.args | 2 +- tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml | 3 ++- 6 files changed, 68 insertions(+), 2 deletions(-)