[libvirt] [PATCH 0/2] try to use btrfs COW copy
If VIR_STORAGE_VOL_CREATE_REFLINK is specified,
try to use btrfs COW copy;
If btrfs COW copy is not supported,
fall back to normal copy.
Chen Hanxiao (2):
introduce btrfsCloneFile for COW copy
storage: try to perform btrfs clone if possible
include/libvirt/libvirt-storage.h | 1 +
src/storage/storage_backend.c | 65 ++++++++++++++++++++++++++++++++++-----
src/storage/storage_backend_fs.c | 8 +++--
src/storage/storage_driver.c | 4 ++-
4 files changed, 68 insertions(+), 10 deletions(-)
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1.9.3