df01_sh in commands failed with df -P

[Po-Hsu Lin]

This df01_xfs_sh test in ubuntu_ltp_stable is failing with "df -P" on some kernels.

 startup='Tue Dec 6 20:23:17 2022'
 df01 1 TINFO: timeout per run is 0h 5m 0s
 tst_device.c:89: TINFO: Found free device 5 '/dev/loop5'
 df01 1 TINFO: Formatting xfs with opts='/dev/loop5'
 total: 256672, used: 16184
 df saved output:
 Filesystem 1024-blocks Used Available Capacity Mounted on
 udev 16274544 0 16274544 0% /dev
 tmpfs 3260064 868 3259196 1% /run
 /dev/nvme0n1p1 7941576 6651864 1273328 84% /
 tmpfs 16300320 0 16300320 0% /dev/shm
 tmpfs 5120 0 5120 0% /run/lock
 tmpfs 16300320 0 16300320 0% /sys/fs/cgroup
 /dev/loop0 25088 25088 0 100% /snap/amazon-ssm-agent/6312
 /dev/loop3 94080 94080 0 100% /snap/lxd/23991
 /dev/loop2 64768 64768 0 100% /snap/core20/1695
 /dev/loop1 56960 56960 0 100% /snap/core18/2632
 /dev/loop4 50816 50816 0 100% /snap/snapd/17883
 /dev/nvme0n1p15 106858 5313 101545 5% /boot/efi
 tmpfs 3260064 0 3260064 0% /run/user/1000
 /dev/loop5 256672 16208 240464 7% /tmp/ltp-lYRzagrWXk/LTP_df01.AA4aXxNb1N/mntpoint
 df output:
 Filesystem 1024-blocks Used Available Capacity Mounted on
 udev 16274544 0 16274544 0% /dev
 tmpfs 3260064 868 3259196 1% /run
 /dev/nvme0n1p1 7941576 6652860 1272332 84% /
 tmpfs 16300320 0 16300320 0% /dev/shm
 tmpfs 5120 0 5120 0% /run/lock
 tmpfs 16300320 0 16300320 0% /sys/fs/cgroup
 /dev/loop0 25088 25088 0 100% /snap/amazon-ssm-agent/6312
 /dev/loop3 94080 94080 0 100% /snap/lxd/23991
 /dev/loop2 64768 64768 0 100% /snap/core20/1695
 /dev/loop1 56960 56960 0 100% /snap/core18/2632
 /dev/loop4 50816 50816 0 100% /snap/snapd/17883
 /dev/nvme0n1p15 106858 5313 101545 5% /boot/efi
 tmpfs 3260064 0 3260064 0% /run/user/1000
 /dev/loop5 256672 16184 240488 7% /tmp/ltp-lYRzagrWXk/LTP_df01.AA4aXxNb1N/mntpoint
 df01 1 TFAIL: 'df -P' failed.
 df01 2 TPASS: 'df -a -P' passed.
 df01 3 TPASS: 'df -i -P' passed.
 df01 4 TPASS: 'df -k -P' passed.
 df01 5 TPASS: 'df -t xfs -P' passed.
 df01 6 TPASS: 'df -T -P' passed.
 df01 7 TPASS: 'df -v /dev/loop5 -P' passed.
 df01 8 TPASS: 'df -h' passed.
 df01 9 TPASS: 'df -H' passed.
 df01 10 TPASS: 'df -m' passed.
 df01 11 TPASS: 'df --version' passed.
 df01 12 TPASS: 'df -x xfs -P' passed.
 df01 13 TINFO: AppArmor enabled, this may affect test results
 df01 13 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires super/root)
 df01 13 TINFO: loaded AppArmor profiles: none

 Summary:
 passed 11
 failed 1
 broken 0
 skipped 0
 warnings 0
 tag=df01_xfs_sh stime=1670358197 dur=1 exit=exited stat=1 core=no cu=15 cs=13

[Po-Hsu Lin (cypressyew)]

This test has been renamed into df01_sh, and it will be tested with different filesystems.

In this case df01_sh will fail with XFS