From 58dfae6365666e26cb2d172dc437773120fc4e1a Mon Sep 17 00:00:00 2001
From: ZhangZhen <zhenzhang.zhang@huawei.com>
Date: Tue, 13 May 2014 16:36:08 +0800
Subject: [PATCH] btrfs: replace simple_strtoull() with kstrtoull()

use the newer and more pleasant kstrtoull() to replace simple_strtoull(),
because simple_strtoull() is marked for obsoletion.

Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Reading git-format-patch failed