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

From: Dan Williams
Date: Mon Jan 30 2017 - 17:00:43 EST

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.