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Date:   Thu, 28 Nov 2019 07:54:26 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     "Martin K. Petersen" <martin.petersen@oracle.com>
Cc:     Christoph Hellwig <hch@infradead.org>,
        Hannes Reinecke <hare@suse.de>, Arnd Bergmann <arnd@arndb.de>,
        "(Exiting) Baolin Wang" <baolin.wang@linaro.org>,
        Baolin Wang <baolin.wang7@gmail.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Ulf Hansson <ulf.hansson@linaro.org>, asutoshd@codeaurora.org,
        Orson Zhai <orsonzhai@gmail.com>,
        Lyra Zhang <zhang.lyra@gmail.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        linux-mmc <linux-mmc@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Hannes Reinecke <hare@suse.com>,
        linux-block <linux-block@vger.kernel.org>,
        Paolo Valente <paolo.valente@linaro.org>
Subject: Re: [PATCH v6 0/4] Add MMC software queue support
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On Thu, Nov 28, 2019 at 07:15:09AM -0500, Martin K. Petersen wrote:
> This mirrors single_lun in SCSI closely. I was hoping we could
> eventually get rid of that travesty but if MMC needs something similar,
> maybe it would be good to move that plumbing to block?

Oh, I totally forgot about single_lun.  Given that it is only set
for ancient CD changers I'm not even sure that code works properly
anymore.  Having common code that is exercised regularly by mmc would
certainly be better than the current SCSI code, but I'm not sure how
well this is going to work out.