51 	zstd_in_buffer in_buf;  member
406 	workspace->in_buf.src = kmap_local_page(in_page);  in zstd_compress_pages()
407 	workspace->in_buf.pos = 0;  in zstd_compress_pages()
408 	workspace->in_buf.size = min_t(size_t, len, PAGE_SIZE);  in zstd_compress_pages()
426 				&workspace->in_buf);  in zstd_compress_pages()
435 		if (tot_in + workspace->in_buf.pos > 8192 &&  in zstd_compress_pages()
436 				tot_in + workspace->in_buf.pos <  in zstd_compress_pages()
470 		if (workspace->in_buf.pos >= len) {  in zstd_compress_pages()
471 			tot_in += workspace->in_buf.pos;  in zstd_compress_pages()
476 		if (workspace->in_buf.pos == workspace->in_buf.size) {  in zstd_compress_pages()
478 			kunmap_local(workspace->in_buf.src);  in zstd_compress_pages()
483 			workspace->in_buf.src = kmap_local_page(in_page);  in zstd_compress_pages()
484 			workspace->in_buf.pos = 0;  in zstd_compress_pages()
485 			workspace->in_buf.size = min_t(size_t, len, PAGE_SIZE);  in zstd_compress_pages()
535 	if (workspace->in_buf.src) {  in zstd_compress_pages()
536 		kunmap_local(workspace->in_buf.src);  in zstd_compress_pages()
562 	workspace->in_buf.src = kmap_local_page(pages_in[page_in_index]);  in zstd_decompress_bio()
563 	workspace->in_buf.pos = 0;  in zstd_decompress_bio()
564 	workspace->in_buf.size = min_t(size_t, srclen, PAGE_SIZE);  in zstd_decompress_bio()
574 				&workspace->in_buf);  in zstd_decompress_bio()
590 		if (workspace->in_buf.pos >= srclen)  in zstd_decompress_bio()
597 		if (workspace->in_buf.pos == workspace->in_buf.size) {  in zstd_decompress_bio()
598 			kunmap_local(workspace->in_buf.src);  in zstd_decompress_bio()
601 				workspace->in_buf.src = NULL;  in zstd_decompress_bio()
606 			workspace->in_buf.src = kmap_local_page(pages_in[page_in_index]);  in zstd_decompress_bio()
607 			workspace->in_buf.pos = 0;  in zstd_decompress_bio()
608 			workspace->in_buf.size = min_t(size_t, srclen, PAGE_SIZE);  in zstd_decompress_bio()
613 	if (workspace->in_buf.src)  in zstd_decompress_bio()
614 		kunmap_local(workspace->in_buf.src);  in zstd_decompress_bio()
639 	workspace->in_buf.src = data_in;  in zstd_decompress()
640 	workspace->in_buf.pos = 0;  in zstd_decompress()
641 	workspace->in_buf.size = srclen;  in zstd_decompress()
649 	       && workspace->in_buf.pos < workspace->in_buf.size) {  in zstd_decompress()
661 				&workspace->in_buf);  in zstd_decompress()