ds_rbytes        1596 kern/kern_sysctl.c 			sdk->ds_rbytes = dk->dk_rbytes;
ds_rbytes        1618 kern/kern_sysctl.c 			sdk->ds_rbytes = dk->dk_rbytes;
ds_rbytes          66 sys/disk.h     	u_int64_t	ds_rbytes;	/* total bytes read */