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Date: Fri, 20 Mar 2015 16:25:58 +0000
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: Josh Boyer <jwboyer@fedoraproject.org>, Karel Zak <kzak@redhat.com>,
        dhowells@redhat.com, linux-kernel@vger.kernel.org,
        linux-unionfs@vger.kernel.org
Subject: Re: d_path() and overlay fs
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On Fri, Mar 20, 2015 at 05:01:23PM +0100, Miklos Szeredi wrote:

> But it does take care of the majority of f_path users that actually want the
> covering path.

Bloody bad idea, IMO.  I have no objections against adding _helpers_ from
that patch (seq_file_path(), etc.), but I really don't like adding that
second struct path there.  And it still doesn't fix the issue with
LSM, etc., so we'll _still_ need to fix it sane way.