sys/cam/cam_iosched.c

188 	 * Information about the current rate limiters, if any
193 	int		current;	/* Current rate limiter */
221 	set_max = 0,			/* current = max */
363 	if (ios->current <= 0 || ios->pending < ios->current)
373 	if (ios->current <= 0 || ios->pending < ios->current)
383 	if (ios->current <= 0 || ios->pending != ios->current)
393 	ios->l_value1 = ios->current / ios->softc->quanta;
404 	ios->l_value1 = (int)((ios->current * (uint64_t)ios->softc->this_frac) >> 16);
440 	/* ios->current is in kB/s, so scale to bytes */
441 	ios->l_value1 = ios->current * 1000 / ios->softc->quanta;
455 	 * then too bad, that's lost. Also, ios->current
462 	bw = (int)((ios->current * 1000ull * (uint64_t)ios->softc->this_frac) >> 16);
560 		if (isc->write_stats.current != isc->write_stats.max)
562 			    isc->write_stats.current, isc->write_stats.max);
563 		isc->read_stats.current = isc->read_stats.max;
564 		isc->write_stats.current = isc->write_stats.max;
565 		isc->trim_stats.current = isc->trim_stats.max;
568 		old = isc->write_stats.current;
597 			isc->write_stats.current = isc->write_stats.current *
600 			isc->write_stats.current = isc->write_stats.current *
608 		if (isc->write_stats.current < isc->write_stats.min)
609 			isc->write_stats.current = isc->write_stats.min;
610 		if (isc->write_stats.current > isc->write_stats.max)
611 			isc->write_stats.current = isc->write_stats.max;
612 		if (old != isc->write_stats.current && 	iosched_debug)
614 			    old, isc->write_stats.current,
904 	    OID_AUTO, "current", CTLFLAG_RW,
905 	    &ios->current, 0,
906 	    "current resource");
1117 	 * If pending read, prefer that based on current read bias
1128 	 * See if our current limiter allows this I/O.