tree f8bff7528251c99e981e204dc7f2922a252bac15
parent 298658414a2f0bea1f05a81876a45c1cd96aa2e0
author ZhangZhen <zhenzhang.zhang@huawei.com> 1399970168 +0800
committer Chris Mason <clm@fb.com> 1402359651 -0700

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>