From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sun, 18 Jul 2010 01:42:25 +0000 (+0900)
Subject: nilfs2: introduce check flag to btree node buffer
X-Git-Tag: v2.6.36-rc1~500^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e13e66bee2d792c1aae21797f16c181024834eb;p=pandora-kernel.git

nilfs2: introduce check flag to btree node buffer

nilfs_btree_get_block() now may return untested buffer due to
read-ahead.  This adds a new flag for buffer heads so that the btree
code can check whether the buffer is already verified or not.

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