linux-kernel - Re: [PATCH v2 2/2] nvme: add sysfs controls for io and admin timeouts

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Date:   Tue, 9 Apr 2019 12:23:07 +0200
From:   Christoph Hellwig <hch@....de>
To:     Maximilian Heyne <mheyne@...zon.de>
Cc:     David Woodhouse <dwmw2@...radead.org>, Amit Shah <aams@...zon.de>,
        Keith Busch <keith.busch@...el.com>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        James Smart <james.smart@...adcom.com>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] nvme: add sysfs controls for io and admin
 timeouts

I really don't think the iteration over all queues of a tagset
makes a whole lot of sense.  We really need to replace the per-queue
limit with a per-tagset one (or at least add the per-tagset one)
and then allow tweaking that in the block layer instead of writing
this boiler plate code.