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Date:   Mon, 26 Sep 2022 07:37:58 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Pankaj Raghav <p.raghav@samsung.com>
Cc:     linux-block@vger.kernel.org, axboe@kernel.dk,
        damien.lemoal@opensource.wdc.com, gost.dev@samsung.com
Subject: Re: [PATCH 1/2] block: modify blk_mq_plug() to allow only reads for
 zoned block devices
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On Sun, Sep 25, 2022 at 08:53:46PM +0200, Pankaj Raghav wrote:
> Modify blk_mq_plug() to allow plugging only for read operations in zoned
> block devices as there are alternative IO paths in the linux block
> layer which can end up doing a write via driver private requests in
> sequential write zones.

We should be able to plug for all operations that are not
REQ_OP_ZONE_APPEND just fine.

I also really can't parse your commit log at all, what alternative
paths are you talking about here?