fs/zfs/zfs_fm.c

417 shrink_ranges(zfs_ecksum_info_t *eip)
420 	uint32_t new_allowed_gap = eip->zei_mingap + 1;
423 	size_t max = eip->zei_range_count;
425 	struct zei_ranges *r = eip->zei_ranges;
427 	ASSERT3U(eip->zei_range_count, >, 0);
428 	ASSERT3U(eip->zei_range_count, <=, MAX_RANGES);
454 	ASSERT3U(output, <, eip->zei_range_count);
455 	eip->zei_range_count = output;
456 	eip->zei_mingap = mingap;
457 	eip->zei_allowed_mingap = new_allowed_gap;
461 add_range(zfs_ecksum_info_t *eip, int start, int end)
463 	struct zei_ranges *r = eip->zei_ranges;
464 	size_t count = eip->zei_range_count;
467 		shrink_ranges(eip);
468 		count = eip->zei_range_count;
471 		eip->zei_mingap = UINT32_MAX;
472 		eip->zei_allowed_mingap = 1;
476 		if (gap < eip->zei_allowed_mingap) {
480 		if (gap < eip->zei_mingap)
481 			eip->zei_mingap = gap;
485 	eip->zei_range_count++;
489 range_total_size(zfs_ecksum_info_t *eip)
491 	struct zei_ranges *r = eip->zei_ranges;
492 	size_t count = eip->zei_range_count;
523 	zfs_ecksum_info_t *eip = kmem_zalloc(sizeof (*eip), KM_SLEEP);
527 		return (eip);
553 		return (eip);
566 			add_range(eip, start, idx);
576 		add_range(eip, start, idx);
579 	inline_size = range_total_size(eip);
588 		kmem_free(eip, sizeof (*eip));
597 	for (range = 0; range < eip->zei_range_count; range++) {
598 		size_t start = eip->zei_ranges[range].zr_start;
599 		size_t end = eip->zei_ranges[range].zr_end;
614 				eip->zei_bits_set[offset] = set;
615 				eip->zei_bits_cleared[offset] = cleared;
619 			update_histogram(set, eip->zei_histogram_set,
620 			    &eip->zei_range_sets[range]);
621 			update_histogram(cleared, eip->zei_histogram_cleared,
622 			    &eip->zei_range_clears[range]);
626 		eip->zei_ranges[range].zr_start	*= sizeof (uint64_t);
627 		eip->zei_ranges[range].zr_end	*= sizeof (uint64_t);
629 	eip->zei_allowed_mingap	*= sizeof (uint64_t);
635 	    DATA_TYPE_UINT32_ARRAY, 2 * eip->zei_range_count,
636 	    (uint32_t *)eip->zei_ranges,
638 	    DATA_TYPE_UINT32, eip->zei_allowed_mingap,
640 	    DATA_TYPE_UINT32_ARRAY, eip->zei_range_count, eip->zei_range_sets,
642 	    DATA_TYPE_UINT32_ARRAY, eip->zei_range_count, eip->zei_range_clears,
649 		    inline_size, (uint8_t *)eip->zei_bits_set,
652 		    inline_size, (uint8_t *)eip->zei_bits_cleared,
658 		    NBBY * sizeof (uint64_t), eip->zei_histogram_set,
661 		    NBBY * sizeof (uint64_t), eip->zei_histogram_cleared,
664 	return (eip);