linux-kernel - Re: xfstests 073 regression

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Message-ID: <20110801112330.GA27190@infradead.org>
Date:	Mon, 1 Aug 2011 07:23:30 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Christoph Hellwig <hch@...radead.org>, Jan Kara <jack@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: xfstests 073 regression

I think Daves theory sounds good, but I'd like to get some evidence
for it.  We already have fairly good trace points in the writeback code,
but for this they aren't quite enough yet.  Curt posted some patches to
pass a why argument down the writeback stack so that we known the
high-level caller in all tracepoints.  I'll put that into my tree to
check where these calls come from.

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