On Thu, Jun 09, 2022 at 01:37:34PM -0400, Vitaly Mayatskikh wrote: > nvme_mpath_alloc_disk() allocates gendisk with blk_alloc_disk(), which > results in no MQ support even if the head device has it. This can't work. Can you explain hw you came up with this idea and why you decided to send it out without any testing at all?