From 71290b368ad5e1e0b0b300c9d5638490a9fd1a2d Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 10 Sep 2009 17:31:04 -0400
Subject: [PATCH] ext4: Don't update superblock write time when filesystem is
 read-only

This avoids updating the superblock write time when we are mounting
the root file system read/only but we need to replay the journal; at
that point, for people who are east of GMT and who make their clock
tick in localtime for Windows bug-for-bug compatibility, and this will
cause e2fsck to complain and force a full file system check.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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