do_blk_trace_setup  466 block/blktrace.c 	ret = do_blk_trace_setup(q, name, dev, &buts);
do_blk_trace_setup  571 block/compat_ioctl.c 	ret = do_blk_trace_setup(q, b, bdev->bd_dev, &buts);
do_blk_trace_setup  161 include/linux/blktrace_api.h extern int do_blk_trace_setup(struct request_queue *q,