10112 				 struct btrfs_swap_info *bsi)  in btrfs_add_swap_extent()  argument
10124 	if (bsi->nr_pages >= sis->max)  in btrfs_add_swap_extent()
10127 	max_pages = sis->max - bsi->nr_pages;  in btrfs_add_swap_extent()
10128 	first_ppage = ALIGN(bsi->block_start, PAGE_SIZE) >> PAGE_SHIFT;  in btrfs_add_swap_extent()
10129 	next_ppage = ALIGN_DOWN(bsi->block_start + bsi->block_len,  in btrfs_add_swap_extent()
10138 	if (bsi->start == 0)  in btrfs_add_swap_extent()
10140 	if (bsi->lowest_ppage > first_ppage_reported)  in btrfs_add_swap_extent()
10141 		bsi->lowest_ppage = first_ppage_reported;  in btrfs_add_swap_extent()
10142 	if (bsi->highest_ppage < (next_ppage - 1))  in btrfs_add_swap_extent()
10143 		bsi->highest_ppage = next_ppage - 1;  in btrfs_add_swap_extent()
10145 	ret = add_swap_extent(sis, bsi->nr_pages, nr_pages, first_ppage);  in btrfs_add_swap_extent()
10148 	bsi->nr_extents += ret;  in btrfs_add_swap_extent()
10149 	bsi->nr_pages += nr_pages;  in btrfs_add_swap_extent()
10171 	struct btrfs_swap_info bsi = {  in btrfs_swap_activate()  local
10369 		if (bsi.block_len &&  in btrfs_swap_activate()
10370 		    bsi.block_start + bsi.block_len == physical_block_start) {  in btrfs_swap_activate()
10371 			bsi.block_len += len;  in btrfs_swap_activate()
10373 			if (bsi.block_len) {  in btrfs_swap_activate()
10374 				ret = btrfs_add_swap_extent(sis, &bsi);  in btrfs_swap_activate()
10378 			bsi.start = start;  in btrfs_swap_activate()
10379 			bsi.block_start = physical_block_start;  in btrfs_swap_activate()
10380 			bsi.block_len = len;  in btrfs_swap_activate()
10386 	if (bsi.block_len)  in btrfs_swap_activate()
10387 		ret = btrfs_add_swap_extent(sis, &bsi);  in btrfs_swap_activate()
10407 	*span = bsi.highest_ppage - bsi.lowest_ppage + 1;  in btrfs_swap_activate()
10408 	sis->max = bsi.nr_pages;  in btrfs_swap_activate()
10409 	sis->pages = bsi.nr_pages - 1;  in btrfs_swap_activate()
10410 	sis->highest_bit = bsi.nr_pages - 1;  in btrfs_swap_activate()
10411 	return bsi.nr_extents;  in btrfs_swap_activate()