Comment 2 for bug 1887114

On X-4.4 s390x, the error message is a bit different:
 startup='Fri Jul 10 02:31:21 2020'
 tst_test.c:1247: INFO: Timeout per run is 0h 05m 00s
 tst_device.c:89: INFO: Found free device 1 '/dev/loop1'
 ioctl_loop05.c:129: INFO: backing dev(/dev/mapper/kernel01_vg-kernel01_lv) logical_block_size is 4096
 ioctl_loop05.c:62: INFO: Without setting lo_offset or sizelimit
 ioctl_loop05.c:63: BROK: ioctl(21,LOOP_SET_DIRECT_IO,...) failed: EINVAL (22)

 Summary:
 passed 0
 failed 0
 skipped 0
 warnings 0
 tag=ioctl_loop05 stime=1594362681 dur=1 exit=exited stat=2 core=no cu=0 cs=0