At drivers/scsi/device_handler/scsi_dh_emc.c it was defined as:
Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Christophe Varoqui <christophe.varoqui@opensvc.com> Cc: James E.J. Bottomley <jejb@linux.vnet.ibm.com> Cc: Martin K. Petersen <martin.petersen@oracle.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> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>