linux-kernel - Re: [PATCH 05/10] block: remove per-queue plugging

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Message-ID: <4D761E0D.8050200@fusionio.com>
Date:	Tue, 8 Mar 2011 13:16:13 +0100
From:	Jens Axboe <jaxboe@...ionio.com>
To:	Mike Snitzer <snitzer@...hat.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"hch@...radead.org" <hch@...radead.org>
Subject: Re: [PATCH 05/10] block: remove per-queue plugging

On 2011-03-03 23:13, Mike Snitzer wrote:
> I'm now hitting a lockdep issue, while running a 'for-2.6.39/stack-plug'
> kernel, when I try an fsync heavy workload to a request-based mpath
> device (the kernel ultimately goes down in flames, I've yet to look at
> the crashdump I took)

Mike, can you re-run with the current stack-plug branch? I've fixed the
!CONFIG_BLOCK and rebase issues, and also added a change for this flush
on schedule event. It's run outside of the runqueue lock now, so
hopefully that should solve this one.

-- 
Jens Axboe

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