From deb106c632d73c96b6b2b5ca71bacb8aef38fc7b Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 8 May 2015 18:05:21 -0400
Subject: [PATCH] namei: lift terminate_walk() all the way up

Lift it from link_path_walk(), trailing_symlink(), lookup_last(),
mountpoint_last(), complete_walk() and do_last().  A _lot_ of
those suckers merge.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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