linux-kernel - Re: [PATCH V2 2/2] blk-mq: immediately dispatch big size request

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Message-ID: <20161104000954.GA10266@infradead.org>
Date:   Thu, 3 Nov 2016 17:09:54 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Shaohua Li <shli@...com>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kernel-team@...com, axboe@...com
Subject: Re: [PATCH V2 2/2] blk-mq: immediately dispatch big size request

On Thu, Nov 03, 2016 at 05:03:54PM -0700, Shaohua Li wrote:
> This is corresponding part for blk-mq. Disk with multiple hardware
> queues doesn't need this as we only hold 1 request at most.

Any reason you only do this for the SQ and not the MQ case?