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

[Dan Williams]

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.