linux-kernel - Re: dio_get_page() lockdep complaints

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Message-ID: <4734B225.1050206@oracle.com>
Date:	Fri, 09 Nov 2007 11:16:53 -0800
From:	Zach Brown <zach.brown@...cle.com>
To:	Chris Mason <chris.mason@...cle.com>
CC:	Trond Myklebust <trond.myklebust@....uio.no>,
	Peter Zijlstra <peterz@...radead.org>,
	Jens Axboe <jens.axboe@...cle.com>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	linux-aio@...ck.org
Subject: Re: dio_get_page() lockdep complaints


> Ugh, I thought the preallocation was getting freed elsewhere, but it
> looks like I was wrong.  We can't just skip the i_mutex after all,
> sorry.

Ah, so none of those tests at the top will stop tail packing if there's
been pre-allocation?

Like, uh, the inode reference count test?

- z
[ worried, and leaving it in your capable hands ]
-
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