From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Sat, 15 Aug 2009 08:22:13 +0000 (+0900)
Subject: nilfs2: add update functions of virtual block address to dat
X-Git-Tag: v2.6.32-rc1~700^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd8169efae8bdd292675c386010f6b35f0771057;p=pandora-kernel.git

nilfs2: add update functions of virtual block address to dat

This is a preparation for the successive cleanup ("nilfs2: allow btree
to directly call dat operations").

This adds functions bundling a few operations to change an entry of
virtual block address on the dat file.

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