tree fa9316dc060b249f9881f5c7adc5ed0d3358163a
parent 9df27d982d58b9372bc476fb6b9bab861d617029
author Gu Zheng <guz.fnst@cn.fujitsu.com> 1390214250 +0800
committer Jaegeuk Kim <jaegeuk.kim@samsung.com> 1390383668 +0900

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>