[PATCH] xfstests: _test_generic_punch: Obtain block size from $TEST_DIR

[Rich Johnston]

Thanks for the patch Chadan, it has been committed.

--Rich

commit f6406daca8a91216019e62c8924c171e8a414d05
Author: chandan <chandan at linux.vnet.ibm.com>
Date:   Wed Aug 28 06:24:10 2013 +0000

     xfstests: _test_generic_punch: Obtain block size from $TEST_DIR