tag	line	file	source code
DEVICE_REQUEST	96	kernel/blk_drv/blk.h	#define DEVICE_REQUEST do_rd_request
DEVICE_REQUEST	105	kernel/blk_drv/blk.h	#define DEVICE_REQUEST do_fd_request
DEVICE_REQUEST	116	kernel/blk_drv/blk.h	#define DEVICE_REQUEST do_hd_request
DEVICE_REQUEST	126	kernel/blk_drv/blk.h	#define DEVICE_REQUEST do_sd_request
DEVICE_REQUEST	135	kernel/blk_drv/blk.h	#define DEVICE_REQUEST do_st_request
DEVICE_REQUEST	144	kernel/blk_drv/blk.h	#define DEVICE_REQUEST do_sr_request