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SubjectRe: [PATCH 05/10] block: remove per-queue plugging
On Tue, Mar 08 2011 at  3:27pm -0500,
Jens Axboe <jaxboe@fusionio.com> wrote:

> On 2011-03-08 21:21, Mike Snitzer wrote:
> > On Tue, Mar 08 2011 at 7:16am -0500,
> > Jens Axboe <jaxboe@fusionio.com> 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?

Yes, I've been using a request-based DM multipath device.


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