54 	zstd_out_buffer out_buf;  member
434 	workspace->out_buf.dst = folio_address(out_folio);  in zstd_compress_folios()
435 	workspace->out_buf.pos = 0;  in zstd_compress_folios()
436 	workspace->out_buf.size = min_t(size_t, max_out, PAGE_SIZE);  in zstd_compress_folios()
441 		ret2 = zstd_compress_stream(stream, &workspace->out_buf,  in zstd_compress_folios()
458 				tot_out + workspace->out_buf.pos) {  in zstd_compress_folios()
464 		if (workspace->out_buf.pos >= max_out) {  in zstd_compress_folios()
465 			tot_out += workspace->out_buf.pos;  in zstd_compress_folios()
471 		if (workspace->out_buf.pos == workspace->out_buf.size) {  in zstd_compress_folios()
484 			workspace->out_buf.dst = folio_address(out_folio);  in zstd_compress_folios()
485 			workspace->out_buf.pos = 0;  in zstd_compress_folios()
486 			workspace->out_buf.size = min_t(size_t, max_out,  in zstd_compress_folios()
517 		ret2 = zstd_end_stream(stream, &workspace->out_buf);  in zstd_compress_folios()
530 			tot_out += workspace->out_buf.pos;  in zstd_compress_folios()
533 		if (workspace->out_buf.pos >= max_out) {  in zstd_compress_folios()
534 			tot_out += workspace->out_buf.pos;  in zstd_compress_folios()
551 		workspace->out_buf.dst = folio_address(out_folio);  in zstd_compress_folios()
552 		workspace->out_buf.pos = 0;  in zstd_compress_folios()
553 		workspace->out_buf.size = min_t(size_t, max_out, PAGE_SIZE);  in zstd_compress_folios()
601 	workspace->out_buf.dst = workspace->buf;  in zstd_decompress_bio()
602 	workspace->out_buf.pos = 0;  in zstd_decompress_bio()
603 	workspace->out_buf.size = PAGE_SIZE;  in zstd_decompress_bio()
608 		ret2 = zstd_decompress_stream(stream, &workspace->out_buf,  in zstd_decompress_bio()
621 		total_out += workspace->out_buf.pos;  in zstd_decompress_bio()
622 		workspace->out_buf.pos = 0;  in zstd_decompress_bio()
624 		ret = btrfs_decompress_buf2page(workspace->out_buf.dst,  in zstd_decompress_bio()
686 	workspace->out_buf.dst = workspace->buf;  in zstd_decompress()
687 	workspace->out_buf.pos = 0;  in zstd_decompress()
688 	workspace->out_buf.size = sectorsize;  in zstd_decompress()
694 	ret = zstd_decompress_stream(stream, &workspace->out_buf, &workspace->in_buf);  in zstd_decompress()
704 	to_copy = workspace->out_buf.pos;  in zstd_decompress()
705 	memcpy_to_folio(dest_folio, dest_pgoff, workspace->out_buf.dst, to_copy);  in zstd_decompress()