2901 	u32 num_stripes;  in btrfs_del_sys_chunk()  local
2921 			num_stripes = btrfs_stack_chunk_num_stripes(chunk);  in btrfs_del_sys_chunk()
2922 			len += btrfs_chunk_item_size(num_stripes);  in btrfs_del_sys_chunk()
3007 	for (i = 0; i < map->num_stripes; i++) {  in btrfs_remove_chunk()
3465 	int num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in chunk_devid_filter()  local
3468 	for (i = 0; i < num_stripes; i++) {  in chunk_devid_filter()
3477 static u64 calc_data_stripes(u64 type, int num_stripes)  in calc_data_stripes()  argument
3484 		return num_stripes - nparity;  in calc_data_stripes()
3486 		return num_stripes / ncopies;  in calc_data_stripes()
3495 	int num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in chunk_drange_filter()  local
3506 	factor = calc_data_stripes(type, num_stripes);  in chunk_drange_filter()
3508 	for (i = 0; i < num_stripes; i++) {  in chunk_drange_filter()
3543 	int num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in chunk_stripes_range_filter()  local
3545 	if (bargs->stripes_min <= num_stripes  in chunk_stripes_range_filter()
3546 			&& num_stripes <= bargs->stripes_max)  in chunk_stripes_range_filter()
4883 	int num_stripes;  member
5054 	ctl->num_stripes = ctl->ndevs * ctl->dev_stripes;  in decide_stripe_size_regular()
5057 	data_stripes = (ctl->num_stripes - ctl->nparity) / ctl->ncopies;  in decide_stripe_size_regular()
5129 	map = kmalloc(map_lookup_size(ctl->num_stripes), GFP_NOFS);  in create_chunk()
5132 	map->num_stripes = ctl->num_stripes;  in create_chunk()
5177 	for (i = 0; i < map->num_stripes; i++) {  in create_chunk()
5187 	atomic64_sub(ctl->stripe_size * map->num_stripes,  in create_chunk()
5290 	item_size = btrfs_chunk_item_size(map->num_stripes);  in btrfs_finish_chunk_alloc()
5307 	for (i = 0; i < map->num_stripes; i++) {  in btrfs_finish_chunk_alloc()
5325 	for (i = 0; i < map->num_stripes; i++) {  in btrfs_finish_chunk_alloc()
5340 	btrfs_set_stack_chunk_num_stripes(chunk, map->num_stripes);  in btrfs_finish_chunk_alloc()
5401 	for (i = 0; i < map->num_stripes; i++) {  in btrfs_chunk_readonly()
5463 		ret = map->num_stripes;  in btrfs_num_copies()
5476 		ret = map->num_stripes;  in btrfs_num_copies()
5530 	int num_stripes;  in find_live_mirror()  local
5539 		num_stripes = map->sub_stripes;  in find_live_mirror()
5541 		num_stripes = map->num_stripes;  in find_live_mirror()
5543 	preferred_mirror = first + current->pid % num_stripes;  in find_live_mirror()
5561 		for (i = first; i < first + num_stripes; i++) {  in find_live_mirror()
5575 static void sort_parity_stripes(struct btrfs_bio *bbio, int num_stripes)  in sort_parity_stripes()  argument
5582 		for (i = 0; i < num_stripes - 1; i++) {  in sort_parity_stripes()
5652 	u64 num_stripes;  in __btrfs_map_block_for_discard()  local
5700 	num_stripes = 1;  in __btrfs_map_block_for_discard()
5709 		factor = map->num_stripes / sub_stripes;  in __btrfs_map_block_for_discard()
5710 		num_stripes = min_t(u64, map->num_stripes,  in __btrfs_map_block_for_discard()
5720 		num_stripes = map->num_stripes;  in __btrfs_map_block_for_discard()
5722 		stripe_nr = div_u64_rem(stripe_nr, map->num_stripes,  in __btrfs_map_block_for_discard()
5726 	bbio = alloc_btrfs_bio(num_stripes, 0);  in __btrfs_map_block_for_discard()
5732 	for (i = 0; i < num_stripes; i++) {  in __btrfs_map_block_for_discard()
5772 		if (stripe_index == map->num_stripes) {  in __btrfs_map_block_for_discard()
5780 	bbio->num_stripes = num_stripes;  in __btrfs_map_block_for_discard()
5805 	int num_stripes;  in get_extra_mirror_from_replace()  local
5819 	num_stripes = bbio->num_stripes;  in get_extra_mirror_from_replace()
5820 	if (*mirror_num > num_stripes) {  in get_extra_mirror_from_replace()
5835 	for (i = 0; i < num_stripes; i++) {  in get_extra_mirror_from_replace()
5871 	int num_stripes = *num_stripes_ret;  in handle_ops_on_dev_replace()  local
5889 		index_where_to_add = num_stripes;  in handle_ops_on_dev_replace()
5890 		for (i = 0; i < num_stripes; i++) {  in handle_ops_on_dev_replace()
5907 		num_stripes = index_where_to_add;  in handle_ops_on_dev_replace()
5920 		for (i = 0; i < num_stripes; i++) {  in handle_ops_on_dev_replace()
5938 				bbio->stripes + num_stripes;  in handle_ops_on_dev_replace()
5944 			bbio->tgtdev_map[index_srcdev] = num_stripes;  in handle_ops_on_dev_replace()
5947 			num_stripes++;  in handle_ops_on_dev_replace()
5951 	*num_stripes_ret = num_stripes;  in handle_ops_on_dev_replace()
6077 	int num_stripes;  in __btrfs_map_block()  local
6116 	if (dev_replace_is_ongoing && mirror_num == map->num_stripes + 1 &&  in __btrfs_map_block()
6126 	} else if (mirror_num > map->num_stripes) {  in __btrfs_map_block()
6130 	num_stripes = 1;  in __btrfs_map_block()
6133 		stripe_nr = div_u64_rem(stripe_nr, map->num_stripes,  in __btrfs_map_block()
6139 			num_stripes = map->num_stripes;  in __btrfs_map_block()
6150 			num_stripes = map->num_stripes;  in __btrfs_map_block()
6158 		u32 factor = map->num_stripes / map->sub_stripes;  in __btrfs_map_block()
6164 			num_stripes = map->sub_stripes;  in __btrfs_map_block()
6182 			num_stripes = map->num_stripes;  in __btrfs_map_block()
6200 			div_u64_rem(stripe_nr + stripe_index, map->num_stripes,  in __btrfs_map_block()
6211 		stripe_nr = div_u64_rem(stripe_nr, map->num_stripes,  in __btrfs_map_block()
6215 	if (stripe_index >= map->num_stripes) {  in __btrfs_map_block()
6218 			   stripe_index, map->num_stripes);  in __btrfs_map_block()
6223 	num_alloc_stripes = num_stripes;  in __btrfs_map_block()
6229 		tgtdev_indexes = num_stripes;  in __btrfs_map_block()
6238 	for (i = 0; i < num_stripes; i++) {  in __btrfs_map_block()
6252 		div_u64_rem(stripe_nr, num_stripes, &rot);  in __btrfs_map_block()
6257 			bbio->raid_map[(i+rot) % num_stripes] =  in __btrfs_map_block()
6260 		bbio->raid_map[(i+rot) % map->num_stripes] = RAID5_P_STRIPE;  in __btrfs_map_block()
6262 			bbio->raid_map[(i+rot+1) % num_stripes] =  in __btrfs_map_block()
6265 		sort_parity_stripes(bbio, num_stripes);  in __btrfs_map_block()
6273 		handle_ops_on_dev_replace(op, &bbio, dev_replace, &num_stripes,  in __btrfs_map_block()
6279 	bbio->num_stripes = num_stripes;  in __btrfs_map_block()
6288 	if (patch_the_first_stripe_for_dev_replace && num_stripes > 0) {  in __btrfs_map_block()
6289 		WARN_ON(num_stripes > 1);  in __btrfs_map_block()
6292 		bbio->mirror_num = map->num_stripes + 1;  in __btrfs_map_block()
6450 	total_devs = bbio->num_stripes;  in btrfs_map_bio()
6455 	atomic_set(&bbio->stripes_pending, bbio->num_stripes);  in btrfs_map_bio()
6629 static u64 calc_stripe_length(u64 type, u64 chunk_len, int num_stripes)  in calc_stripe_length()  argument
6637 		data_stripes = num_stripes - nparity;  in calc_stripe_length()
6639 		data_stripes = num_stripes / ncopies;  in calc_stripe_length()
6655 	int num_stripes;  in read_one_chunk()  local
6661 	num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in read_one_chunk()
6688 	map = kmalloc(map_lookup_size(num_stripes), GFP_NOFS);  in read_one_chunk()
6702 	map->num_stripes = num_stripes;  in read_one_chunk()
6710 						map->num_stripes);  in read_one_chunk()
6711 	for (i = 0; i < num_stripes; i++) {  in read_one_chunk()
6942 	u32 num_stripes;  in btrfs_read_sys_array()  local
7011 		num_stripes = btrfs_chunk_num_stripes(sb, chunk);  in btrfs_read_sys_array()
7012 		if (!num_stripes) {  in btrfs_read_sys_array()
7015 				  num_stripes, cur_offset);  in btrfs_read_sys_array()
7029 		len = btrfs_chunk_item_size(num_stripes);  in btrfs_read_sys_array()
7087 		for (i = 0; i < map->num_stripes; i++) {  in btrfs_check_rw_degradable()
7614 	stripe_len = calc_stripe_length(map->type, em->len, map->num_stripes);  in verify_one_dev_extent()
7624 	for (i = 0; i < map->num_stripes; i++) {  in verify_one_dev_extent()
7628 			if (map->verified_stripes >= map->num_stripes) {  in verify_one_dev_extent()
7692 		if (em->map_lookup->num_stripes !=  in verify_chunk_dev_extent_mapping()
7697 				  em->map_lookup->num_stripes);  in verify_chunk_dev_extent_mapping()