bsd/vfs/vfs_bio.c

4554 struct bufqlim {
4560 } bufqlim[BQUEUES];
4567  * 3.  bufqlim[BQ_META].bl_nlow != 0
4568  * 4.  bufqlim[BQ_META].bl_nlow > (number of possible concurrent
4632 	bufqlim[q].bl_num++;
4642 	bufqlim[q].bl_num--;
4663 		 * Initialize the bufqlim
4667 		bufqlim[BQ_LOCKED].bl_nlow = 0;
4668 		bufqlim[BQ_LOCKED].bl_nlhigh = 32;
4669 		bufqlim[BQ_LOCKED].bl_target = 0;
4670 		bufqlim[BQ_LOCKED].bl_stale = 30;
4673 		bufqlim[BQ_LRU].bl_nlow = 0;
4674 		bufqlim[BQ_LRU].bl_nlhigh = nbufhigh/4;
4675 		bufqlim[BQ_LRU].bl_target = nbuftarget/4;
4676 		bufqlim[BQ_LRU].bl_stale = LRU_IS_STALE;
4679 		bufqlim[BQ_AGE].bl_nlow = 0;
4680 		bufqlim[BQ_AGE].bl_nlhigh = nbufhigh/4;
4681 		bufqlim[BQ_AGE].bl_target = nbuftarget/4;
4682 		bufqlim[BQ_AGE].bl_stale = AGE_IS_STALE;
4685 		bufqlim[BQ_EMPTY].bl_nlow = 0;
4686 		bufqlim[BQ_EMPTY].bl_nlhigh = nbufhigh/4;
4687 		bufqlim[BQ_EMPTY].bl_target = nbuftarget/4;
4688 		bufqlim[BQ_EMPTY].bl_stale = 600000;
4691 		bufqlim[BQ_META].bl_nlow = 0;
4692 		bufqlim[BQ_META].bl_nlhigh = nbufhigh/4;
4693 		bufqlim[BQ_META].bl_target = nbuftarget/4;
4694 		bufqlim[BQ_META].bl_stale = META_IS_STALE;
4697 		bufqlim[BQ_LOCKED].bl_nlow = 0;
4698 		bufqlim[BQ_LOCKED].bl_nlhigh = 32;
4699 		bufqlim[BQ_LOCKED].bl_target = 0;
4700 		bufqlim[BQ_LOCKED].bl_stale = 30;
4770 	n = (bufqlim[q].bl_num - bufqlim[q].bl_target);
4795 		if ((t - bp->b_timestamp) > bufqlim[q].bl_stale) {
4833 			printf("min = %ld, ", (long)bufqlim[i].bl_nlow);
4834 			printf("cur = %ld, ", (long)bufqlim[i].bl_num);
4835 			printf("max = %ld, ", (long)bufqlim[i].bl_nlhigh);
4836 			printf("target = %ld, ", (long)bufqlim[i].bl_target);
4837 			printf("stale after %ld seconds\n", bufqlim[i].bl_stale);
4842 			printf("cur = %ld, ", (long)bufqlim[i].bl_num);