From: Gu Zheng <guz.fnst@cn.fujitsu.com>
Date: Mon, 20 Jan 2014 10:37:30 +0000 (+0800)
Subject: f2fs: remove the orphan block page array
X-Git-Tag: v3.14-rc1~122^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63f5384c9a7df95a0e0eb6745f3038c703bdf4c3;p=pandora-kernel.git

f2fs: remove the orphan block page array

As the orphan_blocks may be max to 504, so it is not security
and rigorous to store such a large array in the kernel stack
as Dan Carpenter said.
In fact, grab_meta_page has locked the page in the page cache,
and we can use find_get_page() to fetch the page safely in the
downstream, so we can remove the page array directly.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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