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Date:   Mon, 7 Dec 2020 20:01:49 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Qian Cai <qcai@redhat.com>
Cc:     Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
        Tejun Heo <tj@kernel.org>, Coly Li <colyli@suse.de>,
        Song Liu <song@kernel.org>, dm-devel@redhat.com,
        linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org,
        linux-s390@vger.kernel.org, linux-block@vger.kernel.org,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: store a pointer to the block_device in struct bio (again)
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References: <20201201165424.2030647-1-hch@lst.de> <920899710c9e8dcce16e561c6d832e4e9c03cd73.camel@redhat.com>
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Thanks for the report.

Jens, can you revert the series for now?  I think waiting any longer
with a report like this is not helpful.  I'll look into it with
Qian in the meantime.