BLKFLSBUF         789 block/compat_ioctl.c 	case BLKFLSBUF:
BLKFLSBUF         298 block/ioctl.c  	case BLKFLSBUF:
BLKFLSBUF         104 init/do_mounts_initrd.c 			error = sys_ioctl(fd, BLKFLSBUF, 0);