Re: remove a few uses of ->queuedata

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On Sat, May 09, 2020 at 06:13:21AM +0800, Ming Lei wrote:
> 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?

bio submittsion is based on the gendisk, so we can't submit before
it is added.  The passthrough request based path obviously doesn't apply
here.



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