* Add default license header to files which have no copyright or license header yet.
* yml extension should have been xml...
(cherry picked from commit 1ab2a5f1bc)
* Use 'xfs_info' to query fs size, that doesn't always require the device be
mounted. Although still query mountpoint first for backward compatibility.
* Do not fail whith fstype=xfs and resizefs=yes if filesystem already fills
its underlying device.
* Include xfs in the tasks that test idempotency of resizefs option
* Add changelogs/fragments/1478-filesystem-fix-1457-resizefs-idempotency.yml