linux-kernel - remove a few uses of ->queuedata

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Date:   Fri,  8 May 2020 18:15:02 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Jim Paris <jim@...n.com>, Geoff Levand <geoff@...radead.org>,
        Joshua Morris <josh.h.morris@...ibm.com>,
        Philip Kelleher <pjk1939@...ux.ibm.com>,
        Minchan Kim <minchan@...nel.org>,
        Nitin Gupta <ngupta@...are.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org,
        linux-xtensa@...ux-xtensa.org, drbd-dev@...ts.linbit.com,
        linux-block@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-bcache@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-nvdimm@...ts.01.org
Subject: remove a few uses of ->queuedata

Hi all,

various bio based drivers use queue->queuedata despite already having
set up disk->private_data, which can be used just as easily.  This
series cleans them up to only use a single private data pointer.

blk-mq based drivers that have code pathes that can't easily get at
the gendisk are unaffected by this series.