generic: Add a copy test for invalid input

This test passes invalid argumnt combinations to the copy_file_range()
system call to test that input is verified before attempting to copy.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
3 files changed