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Subject: Re: bug in tag handling in blk-mq?
From:   Mike Galbraith <efault@gmx.de>
To:     Jens Axboe <axboe@kernel.dk>,
        Paolo Valente <paolo.valente@linaro.org>
Cc:     Christoph Hellwig <hch@lst.de>,
        linux-block <linux-block@vger.kernel.org>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Oleksandr Natalenko <oleksandr@natalenko.name>
Date:   Wed, 09 May 2018 07:09:55 +0200
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On Tue, 2018-05-08 at 14:37 -0600, Jens Axboe wrote:
> 
> - sdd has nothing pending, yet has 6 active waitqueues.

sdd is where ccache storage lives, which that should have been the only
activity on that drive, as I built source in sdb, and was doing nothing
else that utilizes sdd.

	-Mike