[PATCH 05/10] xfstests: do not unmount tmpfs during remount.

[Christoph Hellwig]

On Fri, Dec 13, 2013 at 12:41:31PM +1100, Dave Chinner wrote:
> All the generic tests that use dm_flakey are likely to be busted.
> Anything assumes SCRATCH_DEV or TEST_DEV are block devices are
> busted.

These are already busted on nfs, which we've support in some form
forever, and cifs, and btrfs with it's pools if they assume the
actual device is the block device.

> Do loop devices work properly when hosted on tmpfs
> filesystems? And so on...

They do.