linux-kernel - Re: dio_get_page() lockdep complaints

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Message-ID: <20070419142035.GH11780@kernel.dk>
Date:	Thu, 19 Apr 2007 16:20:37 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Roland Dreier <rdreier@...co.com>
Cc:	"Vladimir V. Saveliev" <vs@...esys.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-aio@...ck.org,
	reiserfs-dev@...esys.com, linux-mm@...ck.org
Subject: Re: dio_get_page() lockdep complaints

On Thu, Apr 19 2007, Roland Dreier wrote:
> Maybe you could add some hack really early on (say at the beginning of
> the reiserfs mount code) that took instances of the locks in the
> correct order, so you would get a lockdep trace of where the ordering
> is violated when it first happens?

See the test case mail I sent out.

-- 
Jens Axboe

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