Defined in 4 files as a macro:

• drivers/block/acsi.c, line 137 (as a macro)
• drivers/ide/ide-cd.h, line 515 (as a macro)
• include/rxrpc/peer.h, line 231 (as a macro)
• include/scsi/scsi.h, line 203 (as a macro)

Referenced in 4 files:

• Documentation/networking/bridge.txt, line 2005
• arch/parisc/math-emu/sfrem.c, line 2243
• arch/ppc/configs/FADS_defconfig, line 2022
• arch/sh/cchips/voyagergx/setup.c, line 2239