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

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Message-ID: <20200508221321.GD1389136@T590>
Date:   Sat, 9 May 2020 06:13:21 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Jens Axboe <axboe@...nel.dk>, 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: Re: remove a few uses of ->queuedata

On Fri, May 08, 2020 at 06:15:02PM +0200, Christoph Hellwig wrote:
> 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.

Yeah, before adding disk, there still may be requests queued to LLD
for blk-mq based drivers.

So are there this similar situation for these bio based drivers?


Thanks,
Ming