linux-kernel - Re: [PATCH 0/6 v7] overlay filesystem

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Message-ID: <AANLkTinU-F+fHaG9u7c4Tf0GNx5BJvHg7BGOAFGaiDn1@mail.gmail.com>
Date:	Tue, 22 Mar 2011 11:48:11 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Al Viro <viro@...iv.linux.org.uk>
Cc:	Miklos Szeredi <miklos@...redi.hu>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	apw@...onical.com, nbd@...nwrt.org, neilb@...e.de
Subject: Re: [PATCH 0/6 v7] overlay filesystem - request for inclusion

On Tue, Mar 22, 2011 at 11:39 AM, Al Viro <viro@...iv.linux.org.uk> wrote:
>
> Locking analysis would be really nice; AFAICS, it violates locking order
> when called from e.g. ->setattr() and its protection against renames is
> nowhere near enough.  I might be missing something subtle, but...

Miklos - have you tried using this with lockdep (together with the
same filesystems mounted natively too)? I'd expect that that should
show any bad lock usage..

                   Linus
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