From a057d2c01161444c48b12a60351ae6c7135f6e61 Mon Sep 17 00:00:00 2001
From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Thu, 19 Nov 2009 19:58:46 +0900
Subject: [PATCH] nilfs2: add helper to get if volume is in a valid state

This adds a helper function, nilfs_valid_fs() which returns if nilfs
is in a valid state or not.

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