Old kernels do not support cross-device copy_file_range.
This is a regression test for kernel commit:
5dae222a5ff0 vfs: allow copy_file_range to copy across devices
[Amir] Split out cross-device copy_range test to a new test and
_notrun if kernel/filesystem do not support cross-device copy_range.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
Amir Goldstein