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.