linux-kernel - Re: [PATCH v2] nvme-tcp: Check if request has started before processing it

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Message-ID: <8e93c5ce-aff7-ca0b-919c-a33eb0b9ceaf@grimberg.me>
Date:   Thu, 1 Apr 2021 01:25:38 -0700
From:   Sagi Grimberg <sagi@...mberg.me>
To:     Christoph Hellwig <hch@....de>
Cc:     "Ewan D. Milne" <emilne@...hat.com>,
        Hannes Reinecke <hare@...e.de>,
        Keith Busch <kbusch@...nel.org>,
        Daniel Wagner <dwagner@...e.de>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Jens Axboe <axboe@...com>
Subject: Re: [PATCH v2] nvme-tcp: Check if request has started before
 processing it


>> request tag can't be zero? I forget...
> 
> Of course it can.  But the reserved tags are before the normal tags,
> so 0 would be a reserved tag for nvme.

Right.