1280 	struct extent_buffer *leaf = NULL;  in btrfs_free_dev_extent()  local
1297 		leaf = path->nodes[0];  in btrfs_free_dev_extent()
1298 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_free_dev_extent()
1299 		extent = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_free_dev_extent()
1302 		       btrfs_dev_extent_length(leaf, extent) < start);  in btrfs_free_dev_extent()
1307 		leaf = path->nodes[0];  in btrfs_free_dev_extent()
1308 		extent = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_free_dev_extent()
1315 	*dev_extent_len = btrfs_dev_extent_length(leaf, extent);  in btrfs_free_dev_extent()
1338 	struct extent_buffer *leaf;  in btrfs_alloc_dev_extent()  local
1355 	leaf = path->nodes[0];  in btrfs_alloc_dev_extent()
1356 	extent = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_alloc_dev_extent()
1358 	btrfs_set_dev_extent_chunk_tree(leaf, extent, chunk_tree);  in btrfs_alloc_dev_extent()
1359 	btrfs_set_dev_extent_chunk_objectid(leaf, extent, chunk_objectid);  in btrfs_alloc_dev_extent()
1360 	btrfs_set_dev_extent_chunk_offset(leaf, extent, chunk_offset);  in btrfs_alloc_dev_extent()
1362 	write_extent_buffer(leaf, root->fs_info->chunk_tree_uuid,  in btrfs_alloc_dev_extent()
1365 	btrfs_set_dev_extent_length(leaf, extent, num_bytes);  in btrfs_alloc_dev_extent()
1366 	btrfs_mark_buffer_dirty(leaf);  in btrfs_alloc_dev_extent()
1440 	struct extent_buffer *leaf;  in btrfs_add_device()  local
1459 	leaf = path->nodes[0];  in btrfs_add_device()
1460 	dev_item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_dev_item);  in btrfs_add_device()
1462 	btrfs_set_device_id(leaf, dev_item, device->devid);  in btrfs_add_device()
1463 	btrfs_set_device_generation(leaf, dev_item, 0);  in btrfs_add_device()
1464 	btrfs_set_device_type(leaf, dev_item, device->type);  in btrfs_add_device()
1465 	btrfs_set_device_io_align(leaf, dev_item, device->io_align);  in btrfs_add_device()
1466 	btrfs_set_device_io_width(leaf, dev_item, device->io_width);  in btrfs_add_device()
1467 	btrfs_set_device_sector_size(leaf, dev_item, device->sector_size);  in btrfs_add_device()
1468 	btrfs_set_device_total_bytes(leaf, dev_item,  in btrfs_add_device()
1470 	btrfs_set_device_bytes_used(leaf, dev_item,  in btrfs_add_device()
1472 	btrfs_set_device_group(leaf, dev_item, 0);  in btrfs_add_device()
1473 	btrfs_set_device_seek_speed(leaf, dev_item, 0);  in btrfs_add_device()
1474 	btrfs_set_device_bandwidth(leaf, dev_item, 0);  in btrfs_add_device()
1475 	btrfs_set_device_start_offset(leaf, dev_item, 0);  in btrfs_add_device()
1478 	write_extent_buffer(leaf, device->uuid, ptr, BTRFS_UUID_SIZE);  in btrfs_add_device()
1480 	write_extent_buffer(leaf, root->fs_info->fsid, ptr, BTRFS_UUID_SIZE);  in btrfs_add_device()
1481 	btrfs_mark_buffer_dirty(leaf);  in btrfs_add_device()
2028 	struct extent_buffer *leaf;  in btrfs_finish_sprout()  local
2051 		leaf = path->nodes[0];  in btrfs_finish_sprout()
2053 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in btrfs_finish_sprout()
2059 			leaf = path->nodes[0];  in btrfs_finish_sprout()
2060 			btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_finish_sprout()
2065 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_finish_sprout()
2070 		dev_item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_finish_sprout()
2072 		devid = btrfs_device_id(leaf, dev_item);  in btrfs_finish_sprout()
2073 		read_extent_buffer(leaf, dev_uuid, btrfs_device_uuid(dev_item),  in btrfs_finish_sprout()
2075 		read_extent_buffer(leaf, fs_uuid, btrfs_device_fsid(dev_item),  in btrfs_finish_sprout()
2082 			btrfs_set_device_generation(leaf, dev_item,  in btrfs_finish_sprout()
2084 			btrfs_mark_buffer_dirty(leaf);  in btrfs_finish_sprout()
2418 	struct extent_buffer *leaf;  in btrfs_update_device()  local
2440 	leaf = path->nodes[0];  in btrfs_update_device()
2441 	dev_item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_dev_item);  in btrfs_update_device()
2443 	btrfs_set_device_id(leaf, dev_item, device->devid);  in btrfs_update_device()
2444 	btrfs_set_device_type(leaf, dev_item, device->type);  in btrfs_update_device()
2445 	btrfs_set_device_io_align(leaf, dev_item, device->io_align);  in btrfs_update_device()
2446 	btrfs_set_device_io_width(leaf, dev_item, device->io_width);  in btrfs_update_device()
2447 	btrfs_set_device_sector_size(leaf, dev_item, device->sector_size);  in btrfs_update_device()
2448 	btrfs_set_device_total_bytes(leaf, dev_item,  in btrfs_update_device()
2450 	btrfs_set_device_bytes_used(leaf, dev_item,  in btrfs_update_device()
2452 	btrfs_mark_buffer_dirty(leaf);  in btrfs_update_device()
2711 	struct extent_buffer *leaf;  in btrfs_relocate_sys_chunks()  local
2742 		leaf = path->nodes[0];  in btrfs_relocate_sys_chunks()
2743 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_relocate_sys_chunks()
2745 		chunk = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_relocate_sys_chunks()
2747 		chunk_type = btrfs_chunk_type(leaf, chunk);  in btrfs_relocate_sys_chunks()
2784 	struct extent_buffer *leaf;  in insert_balance_item()  local
2807 	leaf = path->nodes[0];  in insert_balance_item()
2808 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_balance_item);  in insert_balance_item()
2810 	memset_extent_buffer(leaf, 0, (unsigned long)item, sizeof(*item));  in insert_balance_item()
2813 	btrfs_set_balance_data(leaf, item, &disk_bargs);  in insert_balance_item()
2815 	btrfs_set_balance_meta(leaf, item, &disk_bargs);  in insert_balance_item()
2817 	btrfs_set_balance_sys(leaf, item, &disk_bargs);  in insert_balance_item()
2819 	btrfs_set_balance_flags(leaf, item, bctl->flags);  in insert_balance_item()
2821 	btrfs_mark_buffer_dirty(leaf);  in insert_balance_item()
2978 static int chunk_devid_filter(struct extent_buffer *leaf,  in chunk_devid_filter()  argument
2983 	int num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in chunk_devid_filter()
2988 		if (btrfs_stripe_devid(leaf, stripe) == bargs->devid)  in chunk_devid_filter()
2996 static int chunk_drange_filter(struct extent_buffer *leaf,  in chunk_drange_filter()  argument
3002 	int num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in chunk_drange_filter()
3011 	if (btrfs_chunk_type(leaf, chunk) & (BTRFS_BLOCK_GROUP_DUP |  in chunk_drange_filter()
3014 	} else if (btrfs_chunk_type(leaf, chunk) & BTRFS_BLOCK_GROUP_RAID5) {  in chunk_drange_filter()
3016 	} else if (btrfs_chunk_type(leaf, chunk) & BTRFS_BLOCK_GROUP_RAID6) {  in chunk_drange_filter()
3024 		if (btrfs_stripe_devid(leaf, stripe) != bargs->devid)  in chunk_drange_filter()
3027 		stripe_offset = btrfs_stripe_offset(leaf, stripe);  in chunk_drange_filter()
3028 		stripe_length = btrfs_chunk_length(leaf, chunk);  in chunk_drange_filter()
3040 static int chunk_vrange_filter(struct extent_buffer *leaf,  in chunk_vrange_filter()  argument
3046 	    chunk_offset + btrfs_chunk_length(leaf, chunk) > bargs->vstart)  in chunk_vrange_filter()
3069 				struct extent_buffer *leaf,  in should_balance_chunk()  argument
3074 	u64 chunk_type = btrfs_chunk_type(leaf, chunk);  in should_balance_chunk()
3103 	    chunk_devid_filter(leaf, chunk, bargs)) {  in should_balance_chunk()
3109 	    chunk_drange_filter(leaf, chunk, chunk_offset, bargs)) {  in should_balance_chunk()
3115 	    chunk_vrange_filter(leaf, chunk, chunk_offset, bargs)) {  in should_balance_chunk()
3152 	struct extent_buffer *leaf;  in __btrfs_balance()  local
3233 		leaf = path->nodes[0];  in __btrfs_balance()
3235 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in __btrfs_balance()
3240 		chunk = btrfs_item_ptr(leaf, slot, struct btrfs_chunk);  in __btrfs_balance()
3248 		ret = should_balance_chunk(chunk_root, leaf, chunk,  in __btrfs_balance()
3573 	struct extent_buffer *leaf;  in btrfs_recover_balance()  local
3599 	leaf = path->nodes[0];  in btrfs_recover_balance()
3600 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_balance_item);  in btrfs_recover_balance()
3603 	bctl->flags = btrfs_balance_flags(leaf, item);  in btrfs_recover_balance()
3606 	btrfs_balance_data(leaf, item, &disk_bargs);  in btrfs_recover_balance()
3608 	btrfs_balance_meta(leaf, item, &disk_bargs);  in btrfs_recover_balance()
3610 	btrfs_balance_sys(leaf, item, &disk_bargs);  in btrfs_recover_balance()
6007 			  struct extent_buffer *leaf,  in read_one_chunk()  argument
6022 	length = btrfs_chunk_length(leaf, chunk);  in read_one_chunk()
6039 	num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in read_one_chunk()
6055 	map->io_width = btrfs_chunk_io_width(leaf, chunk);  in read_one_chunk()
6056 	map->io_align = btrfs_chunk_io_align(leaf, chunk);  in read_one_chunk()
6057 	map->sector_size = btrfs_chunk_sector_size(leaf, chunk);  in read_one_chunk()
6058 	map->stripe_len = btrfs_chunk_stripe_len(leaf, chunk);  in read_one_chunk()
6059 	map->type = btrfs_chunk_type(leaf, chunk);  in read_one_chunk()
6060 	map->sub_stripes = btrfs_chunk_sub_stripes(leaf, chunk);  in read_one_chunk()
6063 			btrfs_stripe_offset_nr(leaf, chunk, i);  in read_one_chunk()
6064 		devid = btrfs_stripe_devid_nr(leaf, chunk, i);  in read_one_chunk()
6065 		read_extent_buffer(leaf, uuid, (unsigned long)  in read_one_chunk()
6095 static void fill_device_from_item(struct extent_buffer *leaf,  in fill_device_from_item()  argument
6101 	device->devid = btrfs_device_id(leaf, dev_item);  in fill_device_from_item()
6102 	device->disk_total_bytes = btrfs_device_total_bytes(leaf, dev_item);  in fill_device_from_item()
6105 	device->bytes_used = btrfs_device_bytes_used(leaf, dev_item);  in fill_device_from_item()
6107 	device->type = btrfs_device_type(leaf, dev_item);  in fill_device_from_item()
6108 	device->io_align = btrfs_device_io_align(leaf, dev_item);  in fill_device_from_item()
6109 	device->io_width = btrfs_device_io_width(leaf, dev_item);  in fill_device_from_item()
6110 	device->sector_size = btrfs_device_sector_size(leaf, dev_item);  in fill_device_from_item()
6115 	read_extent_buffer(leaf, device->uuid, ptr, BTRFS_UUID_SIZE);  in fill_device_from_item()
6174 			struct extent_buffer *leaf,  in read_one_dev()  argument
6184 	devid = btrfs_device_id(leaf, dev_item);  in read_one_dev()
6185 	read_extent_buffer(leaf, dev_uuid, btrfs_device_uuid(dev_item),  in read_one_dev()
6187 	read_extent_buffer(leaf, fs_uuid, btrfs_device_fsid(dev_item),  in read_one_dev()
6238 		    btrfs_device_generation(leaf, dev_item))  in read_one_dev()
6242 	fill_device_from_item(leaf, dev_item, device);  in read_one_dev()
6362 	struct extent_buffer *leaf;  in btrfs_read_chunk_tree()  local
6390 		leaf = path->nodes[0];  in btrfs_read_chunk_tree()
6392 		if (slot >= btrfs_header_nritems(leaf)) {  in btrfs_read_chunk_tree()
6400 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in btrfs_read_chunk_tree()
6403 			dev_item = btrfs_item_ptr(leaf, slot,  in btrfs_read_chunk_tree()
6405 			ret = read_one_dev(root, leaf, dev_item);  in btrfs_read_chunk_tree()
6410 			chunk = btrfs_item_ptr(leaf, slot, struct btrfs_chunk);  in btrfs_read_chunk_tree()
6411 			ret = read_one_chunk(root, &found_key, leaf, chunk);  in btrfs_read_chunk_tree()