580 #define cmd_idx(cmd)	(cmd - _IOC_NR(AUTOFS_DEV_IOCTL_IOC_FIRST))  macro
588 		{cmd_idx(AUTOFS_DEV_IOCTL_VERSION_CMD), NULL},  in lookup_dev_ioctl()
589 		{cmd_idx(AUTOFS_DEV_IOCTL_PROTOVER_CMD),  in lookup_dev_ioctl()
591 		{cmd_idx(AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD),  in lookup_dev_ioctl()
593 		{cmd_idx(AUTOFS_DEV_IOCTL_OPENMOUNT_CMD),  in lookup_dev_ioctl()
595 		{cmd_idx(AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD),  in lookup_dev_ioctl()
597 		{cmd_idx(AUTOFS_DEV_IOCTL_READY_CMD),  in lookup_dev_ioctl()
599 		{cmd_idx(AUTOFS_DEV_IOCTL_FAIL_CMD),  in lookup_dev_ioctl()
601 		{cmd_idx(AUTOFS_DEV_IOCTL_SETPIPEFD_CMD),  in lookup_dev_ioctl()
603 		{cmd_idx(AUTOFS_DEV_IOCTL_CATATONIC_CMD),  in lookup_dev_ioctl()
605 		{cmd_idx(AUTOFS_DEV_IOCTL_TIMEOUT_CMD),  in lookup_dev_ioctl()
607 		{cmd_idx(AUTOFS_DEV_IOCTL_REQUESTER_CMD),  in lookup_dev_ioctl()
609 		{cmd_idx(AUTOFS_DEV_IOCTL_EXPIRE_CMD),  in lookup_dev_ioctl()
611 		{cmd_idx(AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD),  in lookup_dev_ioctl()
613 		{cmd_idx(AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD),  in lookup_dev_ioctl()
616 	unsigned int idx = cmd_idx(cmd);  in lookup_dev_ioctl()