From mboxrd@z Thu Jan  1 00:00:00 1970
From: Al Viro <viro-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
Subject: Re: [PATCH review 4/6] mnt: Track when a directory escapes a bind
	mount
Date: Mon, 10 Aug 2015 05:43:38 +0100
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On Mon, Aug 10, 2015 at 05:36:37AM +0100, Al Viro wrote:

> Your unlock_namespace_rename() should've been a static inline.
> With the check of unlock != NULL done in there.  Two such inlines,
> actually, and to hell with the boolean argument.  Same split for the
> lock counterpart, of course.

PS: that thing should be in fs/dcache.c, at least in the part that
deals with finding the common ancestor, etc.  And __d_move() (and
dentry_lock_for_move()) games with d_ancestor() should be redundant now.