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Date: Sat, 24 Jun 2006 21:36:58 +0400
From: Alexey Dobriyan <adobriyan@gmail.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Donald Parsons <dparsons@brightdsl.net>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.17-...: looong writeouts
Message-ID: <20060624173658.GB7565@martell.zuzino.mipt.ru>
References: <1151166629.4409.18.camel@danny.parsons.org> <1151167852.3181.65.camel@laptopd505.fenrus.org>
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On Sat, Jun 24, 2006 at 06:50:52PM +0200, Arjan van de Ven wrote:
> just a random question to rule things out: can you check if laptop mode
> is enabled? (see the /proc/sys/vm/laptop_mode file). Laptop mode will
> have the effect of grouping writes together, so if that got enabled
> accidentally for some reason, that could explain the behavior you are
> seeing. (and it would narrow down the "what broke" search problem to
> something that is a lot easier to work on)

Mine is not laptop and I've never enabled it.