On Wed, 2017-01-25 at 18:25 +0100, Christoph Hellwig wrote: > DM tries to copy a few fields around for BLOCK_PC requests, but given > that no dm-target ever wires up scsi_cmd_ioctl BLOCK_PC can't actually > be sent to dm. Reviewed-by: Bart Van Assche <bart.vanassche at sandisk.com>