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

From: Jens Axboe
Date: Tue Mar 08 2011 - 15:27:36 EST


On 2011-03-08 21:21, Mike Snitzer wrote:
> On Tue, Mar 08 2011 at 7:16am -0500,
> Jens Axboe <jaxboe@xxxxxxxxxxxx> wrote:
>
>> 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.
>
> Works for me, thanks.

Super, thanks! Out of curiousity, did you use dm/md?

--
Jens Axboe

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