Extern or forward variable declaration at drivers/scsi/scsi.h, line 43 References: drivers/scsi/aha1740.c, line 397 drivers/scsi/arm/cumana_2.c, line 81 drivers/scsi/arm/eesox.c, line 77 drivers/scsi/arm/powertec.c, line 64 drivers/scsi/gdth.c, line 2283 drivers/scsi/gdth.c, line 2523 drivers/scsi/gdth.c, line 2538 drivers/scsi/gdth.c, line 2698 drivers/scsi/gdth.c, line 2713 drivers/scsi/ips.c, line 1507 drivers/scsi/ips.c, line 1573 drivers/scsi/ips.c, line 2683 drivers/scsi/ips.c, line 3177 drivers/scsi/megaraid.c, line 663 drivers/scsi/megaraid.c, line 1417 drivers/scsi/megaraid.c, line 1724 drivers/scsi/NCR53c406a.c, line 790 drivers/scsi/qlogicfas408.c, line 305 drivers/scsi/scsi.h, line 43 drivers/scsi/sym53c416.c, line 334 drivers/scsi/ultrastor.c, line 685 drivers/usb/image/microtek.c, line 494 drivers/usb/image/microtek.c, line 532