Re: [libvirt] [PATCHv2 2/2] storage: try to perform btrfs clone if possible

When creating RAW file, we don't take advantage of clone of btrfs. Try to do a btrfs lightweight copy, or error out. Signed-off-by: Chen Hanxiao <chenhanxiao(a)cn.fujitsu.com&gt; --- include/libvirt/libvirt-storage.h | 1 + src/storage/storage_backend.c | 43 ++++++++++++++++++++++++++++++++------- src/storage/storage_backend_fs.c | 8 ++++++-- src/storage/storage_driver.c | 4 +++- 4 files changed, 46 insertions(+), 10 deletions(-)