223 	u64 cur_in = start;  in lzo_compress_folios()  local
238 	while (cur_in < start + len) {  in lzo_compress_folios()
241 		u32 sector_off = (cur_in - start) & sectorsize_mask;  in lzo_compress_folios()
247 			ret = btrfs_compress_filemap_get_folio(mapping, cur_in, &folio_in);  in lzo_compress_folios()
253 		in_len = min_t(u32, start + len - cur_in, sectorsize - sector_off);  in lzo_compress_folios()
257 				       offset_in_page(cur_in), in_len,  in lzo_compress_folios()
273 		cur_in += in_len;  in lzo_compress_folios()
279 		if (cur_in - start > sectorsize * 2 && cur_in - start < cur_out) {  in lzo_compress_folios()
285 		if (PAGE_ALIGNED(cur_in)) {  in lzo_compress_folios()
298 	*total_in = cur_in - start;  in lzo_compress_folios()
312 				    char *dest, u32 len, u32 *cur_in)  in copy_compressed_segment()  argument
314 	u32 orig_in = *cur_in;  in copy_compressed_segment()
316 	while (*cur_in < orig_in + len) {  in copy_compressed_segment()
318 		u32 copy_len = min_t(u32, PAGE_SIZE - offset_in_page(*cur_in),  in copy_compressed_segment()
319 					  orig_in + len - *cur_in);  in copy_compressed_segment()
322 		cur_folio = cb->compressed_folios[*cur_in / PAGE_SIZE];  in copy_compressed_segment()
324 		memcpy_from_folio(dest + *cur_in - orig_in, cur_folio,  in copy_compressed_segment()
325 				  offset_in_folio(cur_folio, *cur_in), copy_len);  in copy_compressed_segment()
327 		*cur_in += copy_len;  in copy_compressed_segment()
341 	u32 cur_in = 0;  in lzo_decompress_bio()  local
348 	cur_in += LZO_LEN;  in lzo_decompress_bio()
369 	while (cur_in < len_in) {  in lzo_decompress_bio()
380 		ASSERT(cur_in / sectorsize ==  in lzo_decompress_bio()
381 		       (cur_in + LZO_LEN - 1) / sectorsize);  in lzo_decompress_bio()
382 		cur_folio = cb->compressed_folios[cur_in / PAGE_SIZE];  in lzo_decompress_bio()
385 		seg_len = read_compress_length(kaddr + offset_in_page(cur_in));  in lzo_decompress_bio()
387 		cur_in += LZO_LEN;  in lzo_decompress_bio()
404 		copy_compressed_segment(cb, workspace->cbuf, seg_len, &cur_in);  in lzo_decompress_bio()
429 		sector_bytes_left = sectorsize - (cur_in % sectorsize);  in lzo_decompress_bio()
434 		cur_in += sector_bytes_left;  in lzo_decompress_bio()