9723 				 struct btrfs_swap_info *bsi)  in btrfs_add_swap_extent()  argument
9735 	if (bsi->nr_pages >= sis->max)  in btrfs_add_swap_extent()
9738 	max_pages = sis->max - bsi->nr_pages;  in btrfs_add_swap_extent()
9739 	first_ppage = PAGE_ALIGN(bsi->block_start) >> PAGE_SHIFT;  in btrfs_add_swap_extent()
9740 	next_ppage = PAGE_ALIGN_DOWN(bsi->block_start + bsi->block_len) >> PAGE_SHIFT;  in btrfs_add_swap_extent()
9748 	if (bsi->start == 0)  in btrfs_add_swap_extent()
9750 	if (bsi->lowest_ppage > first_ppage_reported)  in btrfs_add_swap_extent()
9751 		bsi->lowest_ppage = first_ppage_reported;  in btrfs_add_swap_extent()
9752 	if (bsi->highest_ppage < (next_ppage - 1))  in btrfs_add_swap_extent()
9753 		bsi->highest_ppage = next_ppage - 1;  in btrfs_add_swap_extent()
9755 	ret = add_swap_extent(sis, bsi->nr_pages, nr_pages, first_ppage);  in btrfs_add_swap_extent()
9758 	bsi->nr_extents += ret;  in btrfs_add_swap_extent()
9759 	bsi->nr_pages += nr_pages;  in btrfs_add_swap_extent()
9782 	struct btrfs_swap_info bsi = {  in btrfs_swap_activate()  local
9980 		if (bsi.block_len &&  in btrfs_swap_activate()
9981 		    bsi.block_start + bsi.block_len == physical_block_start) {  in btrfs_swap_activate()
9982 			bsi.block_len += len;  in btrfs_swap_activate()
9984 			if (bsi.block_len) {  in btrfs_swap_activate()
9985 				ret = btrfs_add_swap_extent(sis, &bsi);  in btrfs_swap_activate()
9989 			bsi.start = start;  in btrfs_swap_activate()
9990 			bsi.block_start = physical_block_start;  in btrfs_swap_activate()
9991 			bsi.block_len = len;  in btrfs_swap_activate()
9997 	if (bsi.block_len)  in btrfs_swap_activate()
9998 		ret = btrfs_add_swap_extent(sis, &bsi);  in btrfs_swap_activate()
10020 	*span = bsi.highest_ppage - bsi.lowest_ppage + 1;  in btrfs_swap_activate()
10021 	sis->max = bsi.nr_pages;  in btrfs_swap_activate()
10022 	sis->pages = bsi.nr_pages - 1;  in btrfs_swap_activate()
10023 	sis->highest_bit = bsi.nr_pages - 1;  in btrfs_swap_activate()
10024 	return bsi.nr_extents;  in btrfs_swap_activate()