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Date:   Tue, 22 Mar 2022 12:18:48 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     John Garry <john.garry@huawei.com>
Cc:     axboe@kernel.dk, damien.lemoal@opensource.wdc.com,
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Subject: Re: [PATCH 01/11] blk-mq: Add blk_mq_init_queue_ops()
Message-ID: <20220322111848.GA29270@lst.de>
References: <1647945585-197349-1-git-send-email-john.garry@huawei.com> <1647945585-197349-2-git-send-email-john.garry@huawei.com>
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On Tue, Mar 22, 2022 at 06:39:35PM +0800, John Garry wrote:
> Add an API to allocate a request queue which accepts a custom set of
> blk_mq_ops for that request queue.
> 
> The reason which we may want custom ops is for queuing requests which we
> don't want to go through the normal queuing path.

Eww.  I really do not think we should do separate ops per queue, as that
is going to get us into a deep mess eventually.