From d1b00a4711d5b953b13ccc859bc30c447c96860e Mon Sep 17 00:00:00 2001
From: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Date: Fri, 25 Jul 2014 17:07:48 +0900
Subject: [PATCH] btrfs: use IS_ALIGNED() for assertion in
 btrfs_lookup_csums_range() for simplicity

btrfs_lookup_csums_range() uses ALIGN() to check if "start"
and "end + 1" are aligned to "root->sectorsize". It's better to
replace these with IS_ALIGNED() for simplicity.

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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