Btrfs: use existing align macros in btrfs_allocate()

The kernel developers have implemented some often-used align macros, we should
use them instead of the complex code.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Miao Xie 2012-11-28 10:28:07 +00:00 • committed by Chris Mason
commit 797f427711