QA output created by 005
defrag object | defragment range | defragment compress
a single file | default | off
a single file | default |  on
a single file | start < 0 && 0 < len < file size | off (should fail)
btrfs filesystem defragment failed!
a single file | start > file size && 0 < len < file size | off
a single file | start = 0 && len < 0 | off (should fail)
btrfs filesystem defragment failed!
a single file | start = 0 && len > file size | off
a single file | start = 0 && 0 < len < file size | off
a directory | default | off
a filesystem | default | off
