This patch stands alone and has been committed.
Thanks
--Rich
commit ca692f162d36c871c9c1b6169136b2c70503f2d8
Author: Namjae Jeon <namjae.jeon at samsung.com>
Date: Sun Dec 8 14:11:30 2013 +0000
xfsprog: xfsio: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate