QA output created by 374
Format and mount
Mount otherdir
Create file
Dedupe one file to another
XFS_IOC_FILE_EXTENT_SAME: Invalid cross-device link
Check output
2d61aa54b58c2e94403fb092c3dbc027  SCRATCH_MNT/test-374/file
2d61aa54b58c2e94403fb092c3dbc027  OTHER_DIR/test-374/otherfile
Unmount otherdir