From e7fe0585ca8793e2d43c57e77d4ca79042806acf Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 22 Mar 2010 20:11:53 -0400
Subject: [PATCH] fix do_emergency_remount()/umount() races

need list_for_each_entry_safe() here.  Original didn't even
have restart logics, so if you race with umount() it blew up.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Reading git-format-patch failed