Matthias did confirm that there are no such devices.
[mkp: applied by hand]
Cc: Matthias Rudolph <Matthias.Rudolph@hitachivantara.com> Cc: Anthony Cheung <anthony.cheung@hpe.com> Cc: Takahiro Yasui <takahiro.yasui@hitachivantara.com> Cc: Mike Christie <mchristi@redhat.com> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: James E.J. Bottomley <jejb@linux.vnet.ibm.com> Cc: SCSI ML <linux-scsi@vger.kernel.org> Cc: device-mapper development <dm-devel@redhat.com> Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>