112 	int ret;  in generic_swapfile_activate()  local
132 		ret = bmap(inode, &first_block);  in generic_swapfile_activate()
133 		if (ret || !first_block)  in generic_swapfile_activate()
149 			ret = bmap(inode, &block);  in generic_swapfile_activate()
150 			if (ret || !block)  in generic_swapfile_activate()
171 		ret = add_swap_extent(sis, page_no, 1, first_block);  in generic_swapfile_activate()
172 		if (ret < 0)  in generic_swapfile_activate()
174 		nr_extents += ret;  in generic_swapfile_activate()
180 	ret = nr_extents;  in generic_swapfile_activate()
188 	return ret;  in generic_swapfile_activate()
191 	ret = -EINVAL;  in generic_swapfile_activate()
201 	int ret = 0;  in swap_writepage()  local
211 	ret = arch_prepare_to_swap(page);  in swap_writepage()
212 	if (ret) {  in swap_writepage()
223 	ret = __swap_writepage(page, wbc, end_swap_bio_write);  in swap_writepage()
225 	return ret;  in swap_writepage()
258 	int ret;  in __swap_writepage()  local
280 		ret = mapping->a_ops->direct_IO(&kiocb, &from);  in __swap_writepage()
281 		if (ret == PAGE_SIZE) {  in __swap_writepage()
284 			ret = 0;  in __swap_writepage()
302 		return ret;  in __swap_writepage()
305 	ret = bdev_write_page(sis->bdev, swap_page_sector(page), page, wbc);  in __swap_writepage()
306 	if (!ret) {  in __swap_writepage()
334 	int ret = 0;  in swap_readpage()  local
361 		ret = mapping->a_ops->readpage(swap_file, page);  in swap_readpage()
362 		if (!ret) {  in swap_readpage()
370 		ret = bdev_read_page(sis->bdev, swap_page_sector(page), page);  in swap_readpage()
371 		if (!ret) {  in swap_readpage()
378 	ret = 0;  in swap_readpage()
382 		ret = -ENOMEM;  in swap_readpage()
413 	return ret;  in swap_readpage()