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Date:   Mon, 27 Apr 2020 17:10:55 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Ming Lei <ming.lei@redhat.com>
Cc:     Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
        linux-block@vger.kernel.org
Subject: Re: [PATCH 06/11] block: optimize generic_make_request for direct
 to blk-mq issue
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References: <20200425170944.968861-1-hch@lst.de> <20200425170944.968861-7-hch@lst.de> <20200426025352.GA512559@T590>
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On Sun, Apr 26, 2020 at 10:53:52AM +0800, Ming Lei wrote:
> blk_mq_make_request() still calls into generic_make_request(), so bio
> may be added to current->bio_list, then looks __direct_make_request()
> can't cover recursive bio submission any more.

True, we can't do the series as-is.