linux-kernel - Re: d_path() and overlay fs

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Message-ID: <20150320162558.GA29656@ZenIV.linux.org.uk>
Date:	Fri, 20 Mar 2015 16:25:58 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	Josh Boyer <jwboyer@...oraproject.org>,
	Karel Zak <kzak@...hat.com>, dhowells@...hat.com,
	linux-kernel@...r.kernel.org, linux-unionfs@...r.kernel.org
Subject: Re: d_path() and overlay fs

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.
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