linux-kernel - Re: Switching to MQ by default may generate some bug reports

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Date:   Tue, 8 Aug 2017 12:27:11 +0100
From:   Mel Gorman <mgorman@...hsingularity.net>
To:     Ming Lei <tom.leiming@...il.com>
Cc:     Paolo Valente <paolo.valente@...aro.org>,
        Christoph Hellwig <hch@...radead.org>,
        Jens Axboe <axboe@...nel.dk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-block <linux-block@...r.kernel.org>
Subject: Re: Switching to MQ by default may generate some bug reports

On Tue, Aug 08, 2017 at 06:43:03PM +0800, Ming Lei wrote:
> Hi Mel Gorman,
> 
> On Tue, Aug 8, 2017 at 6:30 PM, Mel Gorman <mgorman@...hsingularity.net> wrote:
> ....
> >
> > o I've queued a subset of tests with Ming's v3 patchset as that was the
> >   latest branch at the time I looked. It'll take quite some time to execute
> >   as the grid I use to collect data is backlogged with other work
> 
> The latest patchset is in the following post:
> 
>       http://marc.info/?l=linux-block&m=150191624318513&w=2
> 
> And you can find it in my github:
> 
>       https://github.com/ming1/linux/commits/blk-mq-dispatch_for_scsi.V4
> 

Unfortunately, the tests were queued last Friday and are partially complete
depending on when machines become available. As it is, v3 will take a few
days to complete and a requeue would incur further delays. If you believe
the results will be substantially different then I'll discard v3 and requeue.

-- 
Mel Gorman
SUSE Labs