From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 23 Mar 2010 00:11:53 +0000 (-0400)
Subject: fix do_emergency_remount()/umount() races
X-Git-Tag: v2.6.35-rc1~432^2~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e7fe0585ca8793e2d43c57e77d4ca79042806acf;p=pandora-kernel.git

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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