2707 static int leaf_space_used(struct extent_buffer *l, int start, int nr)  in leaf_space_used()  argument
2712 	int nritems = btrfs_header_nritems(l);  in leaf_space_used()
2719 	data_len = btrfs_item_offset(l, start_item) +  in leaf_space_used()
2720 		   btrfs_item_size(l, start_item);  in leaf_space_used()
2721 	data_len = data_len - btrfs_item_offset(l, end_item);  in leaf_space_used()
3216 				    struct extent_buffer *l,  in copy_for_split()  argument
3229 	data_copy_size = btrfs_item_end_nr(l, mid) - leaf_data_end(l);  in copy_for_split()
3231 	copy_extent_buffer(right, l, btrfs_item_nr_offset(0),  in copy_for_split()
3235 	copy_extent_buffer(right, l,  in copy_for_split()
3238 		     leaf_data_end(l), data_copy_size);  in copy_for_split()
3240 	rt_data_off = BTRFS_LEAF_DATA_SIZE(fs_info) - btrfs_item_end_nr(l, mid);  in copy_for_split()
3251 	btrfs_set_header_nritems(l, mid);  in copy_for_split()
3256 	btrfs_mark_buffer_dirty(l);  in copy_for_split()
3350 	struct extent_buffer *l;  in split_leaf()  local
3362 	l = path->nodes[0];  in split_leaf()
3364 	if (extend && data_size + btrfs_item_size_nr(l, slot) +  in split_leaf()
3372 		if (slot < btrfs_header_nritems(l))  in split_leaf()
3373 			space_needed -= btrfs_leaf_free_space(l);  in split_leaf()
3382 				space_needed -= btrfs_leaf_free_space(l);  in split_leaf()
3388 		l = path->nodes[0];  in split_leaf()
3391 		if (btrfs_leaf_free_space(l) >= data_size)  in split_leaf()
3402 	l = path->nodes[0];  in split_leaf()
3404 	nritems = btrfs_header_nritems(l);  in split_leaf()
3409 		    leaf_space_used(l, mid, nritems - mid) + data_size >  in split_leaf()
3416 				    leaf_space_used(l, mid, nritems - mid) +  in split_leaf()
3425 		if (leaf_space_used(l, 0, mid) + data_size >  in split_leaf()
3434 				    leaf_space_used(l, mid, nritems - mid) +  in split_leaf()
3447 		btrfs_item_key(l, &disk_key, mid);  in split_leaf()
3458 				       &disk_key, 0, l->start, 0,  in split_leaf()
3495 	copy_for_split(trans, path, l, right, slot, mid, nritems);  in split_leaf()