tag	line	file	source code
DEVICE_REQUEST	123	kernel/blk_drv/blk.h	static void (DEVICE_REQUEST)(void);
DEVICE_REQUEST	569	kernel/blk_drv/floppy.c	blk_dev[MAJOR_NR].request_fn = DEVICE_REQUEST;
DEVICE_REQUEST	559	kernel/blk_drv/hd.c	blk_dev[MAJOR_NR].request_fn = DEVICE_REQUEST;
DEVICE_REQUEST	68	kernel/blk_drv/ramdisk.c	blk_dev[MAJOR_NR].request_fn = DEVICE_REQUEST;