linux-kernel - Re: LOCKDEP: 3.9-rc1: mount.nfs/4272 still has locks held!

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Message-ID: <20130307160049.GC29601@htj.dyndns.org>
Date:	Thu, 7 Mar 2013 08:00:49 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Jeff Layton <jlayton@...hat.com>, Oleg Nesterov <oleg@...hat.com>,
	"Myklebust, Trond" <Trond.Myklebust@...app.com>,
	Mandeep Singh Baines <msb@...omium.org>,
	Ming Lei <ming.lei@...onical.com>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: LOCKDEP: 3.9-rc1: mount.nfs/4272 still has locks held!

Hello, Linus.

On Thu, Mar 07, 2013 at 07:55:39AM -0800, Linus Torvalds wrote:
> In other words, that suggestion not only introduces new problems (a),
> it's fundamentally broken anyway (b) *AND* it doesn't even solve
> anything, it just moves it around.

I don't think it's gonna solve the problems we're talking about but
the "moving around" part could be useful nonetheless - e.g. we don't
want to shut down network before nfs while suspending.

Thanks.

-- 
tejun
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