516 			      struct blk_user_trace_setup *buts)  in do_blk_trace_setup()  argument
524 	if (!buts->buf_size || !buts->buf_nr)  in do_blk_trace_setup()
527 	strscpy_pad(buts->name, name, BLKTRACE_BDEV_SIZE);  in do_blk_trace_setup()
533 	strreplace(buts->name, '/', '_');  in do_blk_trace_setup()
542 			buts->name);  in do_blk_trace_setup()
568 		bt->dir = dir = debugfs_create_dir(buts->name, blk_debugfs_root);  in do_blk_trace_setup()
577 			buts->name);  in do_blk_trace_setup()
590 	bt->rchan = relay_open("trace", dir, buts->buf_size,  in do_blk_trace_setup()
591 				buts->buf_nr, &blk_relay_callbacks, bt);  in do_blk_trace_setup()
595 	bt->act_mask = buts->act_mask;  in do_blk_trace_setup()
602 	if (buts->start_lba)  in do_blk_trace_setup()
603 		bt->start_lba = buts->start_lba;  in do_blk_trace_setup()
604 	if (buts->end_lba)  in do_blk_trace_setup()
605 		bt->end_lba = buts->end_lba;  in do_blk_trace_setup()
607 	bt->pid = buts->pid;  in do_blk_trace_setup()
624 	struct blk_user_trace_setup buts;  in blk_trace_setup()  local
627 	ret = copy_from_user(&buts, arg, sizeof(buts));  in blk_trace_setup()
632 	ret = do_blk_trace_setup(q, name, dev, bdev, &buts);  in blk_trace_setup()
637 	if (copy_to_user(arg, &buts, sizeof(buts))) {  in blk_trace_setup()
650 	struct blk_user_trace_setup buts;  in compat_blk_trace_setup()  local
657 	buts = (struct blk_user_trace_setup) {  in compat_blk_trace_setup()
667 	ret = do_blk_trace_setup(q, name, dev, bdev, &buts);  in compat_blk_trace_setup()
672 	if (copy_to_user(arg, &buts.name, ARRAY_SIZE(buts.name))) {  in compat_blk_trace_setup()