1424 	struct extent_buffer *leaf = NULL;  in btrfs_free_dev_extent()  local
1441 		leaf = path->nodes[0];  in btrfs_free_dev_extent()
1442 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_free_dev_extent()
1443 		extent = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_free_dev_extent()
1446 		       btrfs_dev_extent_length(leaf, extent) < start);  in btrfs_free_dev_extent()
1451 		leaf = path->nodes[0];  in btrfs_free_dev_extent()
1452 		extent = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_free_dev_extent()
1459 	*dev_extent_len = btrfs_dev_extent_length(leaf, extent);  in btrfs_free_dev_extent()
1482 	struct extent_buffer *leaf;  in btrfs_alloc_dev_extent()  local
1499 	leaf = path->nodes[0];  in btrfs_alloc_dev_extent()
1500 	extent = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_alloc_dev_extent()
1502 	btrfs_set_dev_extent_chunk_tree(leaf, extent, chunk_tree);  in btrfs_alloc_dev_extent()
1503 	btrfs_set_dev_extent_chunk_objectid(leaf, extent, chunk_objectid);  in btrfs_alloc_dev_extent()
1504 	btrfs_set_dev_extent_chunk_offset(leaf, extent, chunk_offset);  in btrfs_alloc_dev_extent()
1506 	write_extent_buffer(leaf, root->fs_info->chunk_tree_uuid,  in btrfs_alloc_dev_extent()
1509 	btrfs_set_dev_extent_length(leaf, extent, num_bytes);  in btrfs_alloc_dev_extent()
1510 	btrfs_mark_buffer_dirty(leaf);  in btrfs_alloc_dev_extent()
1584 	struct extent_buffer *leaf;  in btrfs_add_device()  local
1603 	leaf = path->nodes[0];  in btrfs_add_device()
1604 	dev_item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_dev_item);  in btrfs_add_device()
1606 	btrfs_set_device_id(leaf, dev_item, device->devid);  in btrfs_add_device()
1607 	btrfs_set_device_generation(leaf, dev_item, 0);  in btrfs_add_device()
1608 	btrfs_set_device_type(leaf, dev_item, device->type);  in btrfs_add_device()
1609 	btrfs_set_device_io_align(leaf, dev_item, device->io_align);  in btrfs_add_device()
1610 	btrfs_set_device_io_width(leaf, dev_item, device->io_width);  in btrfs_add_device()
1611 	btrfs_set_device_sector_size(leaf, dev_item, device->sector_size);  in btrfs_add_device()
1612 	btrfs_set_device_total_bytes(leaf, dev_item,  in btrfs_add_device()
1614 	btrfs_set_device_bytes_used(leaf, dev_item,  in btrfs_add_device()
1616 	btrfs_set_device_group(leaf, dev_item, 0);  in btrfs_add_device()
1617 	btrfs_set_device_seek_speed(leaf, dev_item, 0);  in btrfs_add_device()
1618 	btrfs_set_device_bandwidth(leaf, dev_item, 0);  in btrfs_add_device()
1619 	btrfs_set_device_start_offset(leaf, dev_item, 0);  in btrfs_add_device()
1622 	write_extent_buffer(leaf, device->uuid, ptr, BTRFS_UUID_SIZE);  in btrfs_add_device()
1624 	write_extent_buffer(leaf, root->fs_info->fsid, ptr, BTRFS_UUID_SIZE);  in btrfs_add_device()
1625 	btrfs_mark_buffer_dirty(leaf);  in btrfs_add_device()
2173 	struct extent_buffer *leaf;  in btrfs_finish_sprout()  local
2196 		leaf = path->nodes[0];  in btrfs_finish_sprout()
2198 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {  in btrfs_finish_sprout()
2204 			leaf = path->nodes[0];  in btrfs_finish_sprout()
2205 			btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_finish_sprout()
2210 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_finish_sprout()
2215 		dev_item = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_finish_sprout()
2217 		devid = btrfs_device_id(leaf, dev_item);  in btrfs_finish_sprout()
2218 		read_extent_buffer(leaf, dev_uuid, btrfs_device_uuid(dev_item),  in btrfs_finish_sprout()
2220 		read_extent_buffer(leaf, fs_uuid, btrfs_device_fsid(dev_item),  in btrfs_finish_sprout()
2227 			btrfs_set_device_generation(leaf, dev_item,  in btrfs_finish_sprout()
2229 			btrfs_mark_buffer_dirty(leaf);  in btrfs_finish_sprout()
2565 	struct extent_buffer *leaf;  in btrfs_update_device()  local
2587 	leaf = path->nodes[0];  in btrfs_update_device()
2588 	dev_item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_dev_item);  in btrfs_update_device()
2590 	btrfs_set_device_id(leaf, dev_item, device->devid);  in btrfs_update_device()
2591 	btrfs_set_device_type(leaf, dev_item, device->type);  in btrfs_update_device()
2592 	btrfs_set_device_io_align(leaf, dev_item, device->io_align);  in btrfs_update_device()
2593 	btrfs_set_device_io_width(leaf, dev_item, device->io_width);  in btrfs_update_device()
2594 	btrfs_set_device_sector_size(leaf, dev_item, device->sector_size);  in btrfs_update_device()
2595 	btrfs_set_device_total_bytes(leaf, dev_item,  in btrfs_update_device()
2597 	btrfs_set_device_bytes_used(leaf, dev_item,  in btrfs_update_device()
2599 	btrfs_mark_buffer_dirty(leaf);  in btrfs_update_device()
2876 	struct extent_buffer *leaf;  in btrfs_relocate_sys_chunks()  local
2912 		leaf = path->nodes[0];  in btrfs_relocate_sys_chunks()
2913 		btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);  in btrfs_relocate_sys_chunks()
2915 		chunk = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_relocate_sys_chunks()
2917 		chunk_type = btrfs_chunk_type(leaf, chunk);  in btrfs_relocate_sys_chunks()
2954 	struct extent_buffer *leaf;  in insert_balance_item()  local
2977 	leaf = path->nodes[0];  in insert_balance_item()
2978 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_balance_item);  in insert_balance_item()
2980 	memset_extent_buffer(leaf, 0, (unsigned long)item, sizeof(*item));  in insert_balance_item()
2983 	btrfs_set_balance_data(leaf, item, &disk_bargs);  in insert_balance_item()
2985 	btrfs_set_balance_meta(leaf, item, &disk_bargs);  in insert_balance_item()
2987 	btrfs_set_balance_sys(leaf, item, &disk_bargs);  in insert_balance_item()
2989 	btrfs_set_balance_flags(leaf, item, bctl->flags);  in insert_balance_item()
2991 	btrfs_mark_buffer_dirty(leaf);  in insert_balance_item()
3184 static int chunk_devid_filter(struct extent_buffer *leaf,  in chunk_devid_filter()  argument
3189 	int num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in chunk_devid_filter()
3194 		if (btrfs_stripe_devid(leaf, stripe) == bargs->devid)  in chunk_devid_filter()
3202 static int chunk_drange_filter(struct extent_buffer *leaf,  in chunk_drange_filter()  argument
3208 	int num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in chunk_drange_filter()
3217 	if (btrfs_chunk_type(leaf, chunk) & (BTRFS_BLOCK_GROUP_DUP |  in chunk_drange_filter()
3220 	} else if (btrfs_chunk_type(leaf, chunk) & BTRFS_BLOCK_GROUP_RAID5) {  in chunk_drange_filter()
3222 	} else if (btrfs_chunk_type(leaf, chunk) & BTRFS_BLOCK_GROUP_RAID6) {  in chunk_drange_filter()
3230 		if (btrfs_stripe_devid(leaf, stripe) != bargs->devid)  in chunk_drange_filter()
3233 		stripe_offset = btrfs_stripe_offset(leaf, stripe);  in chunk_drange_filter()
3234 		stripe_length = btrfs_chunk_length(leaf, chunk);  in chunk_drange_filter()
3246 static int chunk_vrange_filter(struct extent_buffer *leaf,  in chunk_vrange_filter()  argument
3252 	    chunk_offset + btrfs_chunk_length(leaf, chunk) > bargs->vstart)  in chunk_vrange_filter()
3259 static int chunk_stripes_range_filter(struct extent_buffer *leaf,  in chunk_stripes_range_filter()  argument
3263 	int num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in chunk_stripes_range_filter()
3288 				struct extent_buffer *leaf,  in should_balance_chunk()  argument
3293 	u64 chunk_type = btrfs_chunk_type(leaf, chunk);  in should_balance_chunk()
3325 	    chunk_devid_filter(leaf, chunk, bargs)) {  in should_balance_chunk()
3331 	    chunk_drange_filter(leaf, chunk, chunk_offset, bargs)) {  in should_balance_chunk()
3337 	    chunk_vrange_filter(leaf, chunk, chunk_offset, bargs)) {  in should_balance_chunk()
3343 	    chunk_stripes_range_filter(leaf, chunk, bargs)) {  in should_balance_chunk()
3391 	struct extent_buffer *leaf;  in __btrfs_balance()  local
3485 		leaf = path->nodes[0];  in __btrfs_balance()
3487 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in __btrfs_balance()
3494 		chunk = btrfs_item_ptr(leaf, slot, struct btrfs_chunk);  in __btrfs_balance()
3495 		chunk_type = btrfs_chunk_type(leaf, chunk);  in __btrfs_balance()
3503 		ret = should_balance_chunk(chunk_root, leaf, chunk,  in __btrfs_balance()
3862 	struct extent_buffer *leaf;  in btrfs_recover_balance()  local
3888 	leaf = path->nodes[0];  in btrfs_recover_balance()
3889 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_balance_item);  in btrfs_recover_balance()
3892 	bctl->flags = btrfs_balance_flags(leaf, item);  in btrfs_recover_balance()
3895 	btrfs_balance_data(leaf, item, &disk_bargs);  in btrfs_recover_balance()
3897 	btrfs_balance_meta(leaf, item, &disk_bargs);  in btrfs_recover_balance()
3899 	btrfs_balance_sys(leaf, item, &disk_bargs);  in btrfs_recover_balance()
6194 			  struct extent_buffer *leaf,  in read_one_chunk()  argument
6209 	length = btrfs_chunk_length(leaf, chunk);  in read_one_chunk()
6226 	num_stripes = btrfs_chunk_num_stripes(leaf, chunk);  in read_one_chunk()
6242 	map->io_width = btrfs_chunk_io_width(leaf, chunk);  in read_one_chunk()
6243 	map->io_align = btrfs_chunk_io_align(leaf, chunk);  in read_one_chunk()
6244 	map->sector_size = btrfs_chunk_sector_size(leaf, chunk);  in read_one_chunk()
6245 	map->stripe_len = btrfs_chunk_stripe_len(leaf, chunk);  in read_one_chunk()
6246 	map->type = btrfs_chunk_type(leaf, chunk);  in read_one_chunk()
6247 	map->sub_stripes = btrfs_chunk_sub_stripes(leaf, chunk);  in read_one_chunk()
6250 			btrfs_stripe_offset_nr(leaf, chunk, i);  in read_one_chunk()
6251 		devid = btrfs_stripe_devid_nr(leaf, chunk, i);  in read_one_chunk()
6252 		read_extent_buffer(leaf, uuid, (unsigned long)  in read_one_chunk()
6284 static void fill_device_from_item(struct extent_buffer *leaf,  in fill_device_from_item()  argument
6290 	device->devid = btrfs_device_id(leaf, dev_item);  in fill_device_from_item()
6291 	device->disk_total_bytes = btrfs_device_total_bytes(leaf, dev_item);  in fill_device_from_item()
6294 	device->bytes_used = btrfs_device_bytes_used(leaf, dev_item);  in fill_device_from_item()
6296 	device->type = btrfs_device_type(leaf, dev_item);  in fill_device_from_item()
6297 	device->io_align = btrfs_device_io_align(leaf, dev_item);  in fill_device_from_item()
6298 	device->io_width = btrfs_device_io_width(leaf, dev_item);  in fill_device_from_item()
6299 	device->sector_size = btrfs_device_sector_size(leaf, dev_item);  in fill_device_from_item()
6304 	read_extent_buffer(leaf, device->uuid, ptr, BTRFS_UUID_SIZE);  in fill_device_from_item()
6363 			struct extent_buffer *leaf,  in read_one_dev()  argument
6373 	devid = btrfs_device_id(leaf, dev_item);  in read_one_dev()
6374 	read_extent_buffer(leaf, dev_uuid, btrfs_device_uuid(dev_item),  in read_one_dev()
6376 	read_extent_buffer(leaf, fs_uuid, btrfs_device_fsid(dev_item),  in read_one_dev()
6428 		    btrfs_device_generation(leaf, dev_item))  in read_one_dev()
6432 	fill_device_from_item(leaf, dev_item, device);  in read_one_dev()
6552 	struct extent_buffer *leaf;  in btrfs_read_chunk_tree()  local
6580 		leaf = path->nodes[0];  in btrfs_read_chunk_tree()
6582 		if (slot >= btrfs_header_nritems(leaf)) {  in btrfs_read_chunk_tree()
6590 		btrfs_item_key_to_cpu(leaf, &found_key, slot);  in btrfs_read_chunk_tree()
6593 			dev_item = btrfs_item_ptr(leaf, slot,  in btrfs_read_chunk_tree()
6595 			ret = read_one_dev(root, leaf, dev_item);  in btrfs_read_chunk_tree()
6600 			chunk = btrfs_item_ptr(leaf, slot, struct btrfs_chunk);  in btrfs_read_chunk_tree()
6601 			ret = read_one_chunk(root, &found_key, leaf, chunk);  in btrfs_read_chunk_tree()