Re: [RFC PATCH] scsi, block: fix duplicate bdi name registration crashes

[Christoph Hellwig]

On Mon, Jan 30, 2017 at 01:53:36PM -0800, Dan Williams wrote:
> On Mon, Jan 30, 2017 at 4:24 AM, Christoph Hellwig <hch@xxxxxx> wrote:
> > Hi Dan,
> >
> > this looks mostly fine to me.  A few code comments below, but except
> > for this there is another issue with it:  We still have drivers
> > that share a single request_queue for multiple gendisks, so I wonder
> 
> scsi drivers or others? If those drivers can switch to dynamically
> allocated devt (GENHD_FL_EXT_DEVT), then they don't need this fix.

Mostly old floppy drivers.