[PATCH] xfstests: Make the SCRATCH_DEV optional

[Christoph Hellwig]

On Wed, Jun 03, 2009 at 12:01:20PM -0500, Eric Sandeen wrote:
> Tests will fail gracefully if there is no SCRATCH_DEV defined, so change
> 
> the check script to allow it, and update README to reflect this.
> 
> This just makes it simpler to set up the tests, at the expense of
> coverage.
> 
> Long term it might be nice to allow either SCRATCH_DEV xor TEST_DEV
> to be missing, but for now this is simple.

Looks good,


Reviewed-by: Christoph Hellwig <hch at lst.de>