Fedora 28 : Fix XFS internal error XFS_WANT_CORRUPTED_GOTO .

It is a common kernel error created under certain predefined conditions.
...kernel: XFS internal error XFS_WANT_CORRUPTED_GOTO...

# xfs_repair -L /dev/mapper/fedora-root
# xfs_repair -L /dev/mapper/fedora-swap
# reboot

This will fix this error.