linux-kernel - Re: [PATCH] nvme: change order of qid and cmdid in completion trace

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Message-ID: <20180426202136.owimd773x5p5upxn@linux-x5ow.site>
Date:   Thu, 26 Apr 2018 14:21:36 -0600
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Keith Busch <keith.busch@...el.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
        Linux NVMe Mailinglist <linux-nvme@...ts.infradead.org>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH] nvme: change order of qid and cmdid in completion trace

On Thu, Apr 26, 2018 at 02:01:59PM -0600, Jens Axboe wrote:
> On 4/26/18 1:49 PM, Johannes Thumshirn wrote:
> > Keith reported that command submission and command completion
> > tracepoints have the order of the cmdid and qid fileds swapped.
> > 
> > While it isn't easily possible to change the command submission
> > tracepoint, as there is a regression test parsing it in blktests we
> > can swap the command completion tracepoint to have the fileds aligned.
> 
> It also makes more sense to have qid before cmdid.
> 
> Also, fileds -> fields, in two spots.

Args. Thanks

-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
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