fs/zfs/zfs_fm.c

413 shrink_ranges(zfs_ecksum_info_t *eip)
416 	uint32_t new_allowed_gap = eip->zei_mingap + 1;
419 	size_t max = eip->zei_range_count;
421 	struct zei_ranges *r = eip->zei_ranges;
423 	ASSERT3U(eip->zei_range_count, >, 0);
424 	ASSERT3U(eip->zei_range_count, <=, MAX_RANGES);
450 	ASSERT3U(output, <, eip->zei_range_count);
451 	eip->zei_range_count = output;
452 	eip->zei_mingap = mingap;
453 	eip->zei_allowed_mingap = new_allowed_gap;
457 add_range(zfs_ecksum_info_t *eip, int start, int end)
459 	struct zei_ranges *r = eip->zei_ranges;
460 	size_t count = eip->zei_range_count;
463 		shrink_ranges(eip);
464 		count = eip->zei_range_count;
467 		eip->zei_mingap = UINT32_MAX;
468 		eip->zei_allowed_mingap = 1;
472 		if (gap < eip->zei_allowed_mingap) {
476 		if (gap < eip->zei_mingap)
477 			eip->zei_mingap = gap;
481 	eip->zei_range_count++;
485 range_total_size(zfs_ecksum_info_t *eip)
487 	struct zei_ranges *r = eip->zei_ranges;
488 	size_t count = eip->zei_range_count;
519 	zfs_ecksum_info_t *eip = kmem_zalloc(sizeof (*eip), KM_SLEEP);
523 		return (eip);
549 		return (eip);
562 			add_range(eip, start, idx);
572 		add_range(eip, start, idx);
575 	inline_size = range_total_size(eip);
584 		kmem_free(eip, sizeof (*eip));
593 	for (range = 0; range < eip->zei_range_count; range++) {
594 		size_t start = eip->zei_ranges[range].zr_start;
595 		size_t end = eip->zei_ranges[range].zr_end;
610 				eip->zei_bits_set[offset] = set;
611 				eip->zei_bits_cleared[offset] = cleared;
615 			update_histogram(set, eip->zei_histogram_set,
616 			    &eip->zei_range_sets[range]);
617 			update_histogram(cleared, eip->zei_histogram_cleared,
618 			    &eip->zei_range_clears[range]);
622 		eip->zei_ranges[range].zr_start	*= sizeof (uint64_t);
623 		eip->zei_ranges[range].zr_end	*= sizeof (uint64_t);
625 	eip->zei_allowed_mingap	*= sizeof (uint64_t);
631 	    DATA_TYPE_UINT32_ARRAY, 2 * eip->zei_range_count,
632 	    (uint32_t *)eip->zei_ranges,
634 	    DATA_TYPE_UINT32, eip->zei_allowed_mingap,
636 	    DATA_TYPE_UINT32_ARRAY, eip->zei_range_count, eip->zei_range_sets,
638 	    DATA_TYPE_UINT32_ARRAY, eip->zei_range_count, eip->zei_range_clears,
645 		    inline_size, (uint8_t *)eip->zei_bits_set,
648 		    inline_size, (uint8_t *)eip->zei_bits_cleared,
654 		    NBBY * sizeof (uint64_t), eip->zei_histogram_set,
657 		    NBBY * sizeof (uint64_t), eip->zei_histogram_cleared,
660 	return (eip);