From 35759521eedf60ce7d3127c5d33953cd2d1bd35f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 8 Sep 2013 13:41:33 -0400
Subject: [PATCH] take unlazy_walk() into umount_lookup_last()

... and massage it a bit to reduce nesting

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