tree 16d3a2d928d3b2eb2b82a892ab18d23208449ab9
parent e4bd1c1a95409131ad3948accab98f0d6b8093f0
author Al Viro <viro@zeniv.linux.org.uk> 1431463479 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1431666640 -0400

namei: shift nameidata inside filename_lookup()

pass root instead; non-NULL => copy to nd.root and
set LOOKUP_ROOT in flags

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