693 	STbuffer->buffer_bytes -= STbuffer->writing;  in write_behind_check()
781 		transfer = STp->buffer->buffer_bytes;  in st_flush_write_buffer()
809 				(STp->buffer)->buffer_bytes = 0;  in st_flush_write_buffer()
822 			(STp->buffer)->buffer_bytes = 0;  in st_flush_write_buffer()
854 	backspace = ((STp->buffer)->buffer_bytes +  in flush_buffer()
858 	(STp->buffer)->buffer_bytes = 0;  in flush_buffer()
1192 	(STp->buffer)->buffer_bytes = (STp->buffer)->read_pointer = 0;  in check_tape()
1562 			STbp->buffer_bytes = 0;   /* can be used as transfer counter */  in setup_buffering()
1735 					STbp->buffer_bytes;  in st_write()
1754 		    STbp->buffer_bytes < STbp->buffer_size) {  in st_write()
1766 				blks = STbp->buffer_bytes;  in st_write()
1786 				       STbp->buffer_bytes);  in st_write()
1840 							    STp->buffer->buffer_bytes);  in st_write()
1870 		STbp->buffer_bytes = 0;  in st_write()
1997 						STbp->buffer_bytes = 0;  in read_tape()
2000 						STbp->buffer_bytes = bytes - transfer;  in read_tape()
2014 						STbp->buffer_bytes = (blks - transfer) *  in read_tape()
2020 							    STbp->buffer_bytes);  in read_tape()
2032 						STbp->buffer_bytes = 0;  in read_tape()
2034 						STbp->buffer_bytes =  in read_tape()
2038 						    STbp->buffer_bytes);  in read_tape()
2045 						STbp->buffer_bytes = bytes - transfer;  in read_tape()
2047 						STbp->buffer_bytes =  in read_tape()
2052 						    STbp->buffer_bytes);  in read_tape()
2069 			if (STbp->buffer_bytes < 0)  /* Caused by bogus sense data */  in read_tape()
2070 				STbp->buffer_bytes = 0;  in read_tape()
2080 		STbp->buffer_bytes = bytes;  in read_tape()
2082 			STbp->buffer_bytes -= STp->buffer->cmdstat.residual;  in read_tape()
2089 			STps->drv_block += STbp->buffer_bytes / STp->block_size;  in read_tape()
2136 			  STps->eof, STbp->buffer_bytes);  in st_read()
2144 	if (STbp->buffer_bytes == 0 &&  in st_read()
2174 		if (STbp->buffer_bytes == 0) {  in st_read()
2183 		if (STbp->buffer_bytes > 0) {  in st_read()
2188 					  STps->eof, STbp->buffer_bytes,  in st_read()
2191 			transfer = STbp->buffer_bytes < count - total ?  in st_read()
2192 			    STbp->buffer_bytes : count - total;  in st_read()
2235 		STbp->buffer_bytes = 0;  in st_read()
2899 		if (STp->dirty || (STp->buffer)->buffer_bytes != 0)  in st_int_ioctl()
2985 			(STp->buffer)->buffer_bytes = (STp->buffer)->read_pointer = 0;  in st_int_ioctl()
3762 				    (STp->buffer)->buffer_bytes / STp->block_size;  in st_ioctl()
3765                                         ((STp->buffer)->buffer_bytes +  in st_ioctl()
3992 	for (i = 0, offset = st_bp->buffer_bytes;  in append_to_buffer()
4006 		st_bp->buffer_bytes += cnt;  in append_to_buffer()
4038 		st_bp->buffer_bytes -= cnt;  in from_buffer()
4060 	total=st_bp->buffer_bytes - offset;  in move_buffer_data()
4068 	st_bp->buffer_bytes = st_bp->read_pointer = total;  in move_buffer_data()