c383436af7
According to https://github.com/torvalds/linux/blob/v5.7/Documentation/admin-guide/device-mapper/thin-provisioning.rst#internal-snapshots; > If the origin device that you wish to snapshot is active, you > must suspend it before creating the snapshot to avoid corruption. However the devmapper snapshotter was not doing that. Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>