From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Wed, 15 Sep 2010 15:36:24 +0000 (+0900)
Subject: nilfs2: accept 64-bit checkpoint numbers in cp mount option
X-Git-Tag: v2.6.37-rc1~150^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c05dbfc2609993ccc067879579e2a7726e12b3f1;p=pandora-kernel.git

nilfs2: accept 64-bit checkpoint numbers in cp mount option

The current implementation doesn't mount snapshots with checkpoint
numbers larger than INT_MAX since it uses match_int() for parsing
"cp=" mount option.

This uses simple_strtoull() for the conversion to resolve the issue.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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