687 	STbuffer->buffer_bytes -= STbuffer->writing;  in write_behind_check()
775 		transfer = STp->buffer->buffer_bytes;  in st_flush_write_buffer()
803 				(STp->buffer)->buffer_bytes = 0;  in st_flush_write_buffer()
816 			(STp->buffer)->buffer_bytes = 0;  in st_flush_write_buffer()
851 	backspace = ((STp->buffer)->buffer_bytes +  in flush_buffer()
855 	(STp->buffer)->buffer_bytes = 0;  in flush_buffer()
1189 	(STp->buffer)->buffer_bytes = (STp->buffer)->read_pointer = 0;  in check_tape()
1560 			STbp->buffer_bytes = 0;   /* can be used as transfer counter */  in setup_buffering()
1733 					STbp->buffer_bytes;  in st_write()
1752 		    STbp->buffer_bytes < STbp->buffer_size) {  in st_write()
1764 				blks = STbp->buffer_bytes;  in st_write()
1784 				       STbp->buffer_bytes);  in st_write()
1838 							    STp->buffer->buffer_bytes);  in st_write()
1868 		STbp->buffer_bytes = 0;  in st_write()
1992 						STbp->buffer_bytes = 0;  in read_tape()
1995 						STbp->buffer_bytes = bytes - transfer;  in read_tape()
2009 						STbp->buffer_bytes = (blks - transfer) *  in read_tape()
2015 							    STbp->buffer_bytes);  in read_tape()
2027 						STbp->buffer_bytes = 0;  in read_tape()
2029 						STbp->buffer_bytes =  in read_tape()
2033 						    STbp->buffer_bytes);  in read_tape()
2040 						STbp->buffer_bytes = bytes - transfer;  in read_tape()
2042 						STbp->buffer_bytes =  in read_tape()
2047 						    STbp->buffer_bytes);  in read_tape()
2064 			if (STbp->buffer_bytes < 0)  /* Caused by bogus sense data */  in read_tape()
2065 				STbp->buffer_bytes = 0;  in read_tape()
2075 		STbp->buffer_bytes = bytes;  in read_tape()
2077 			STbp->buffer_bytes -= STp->buffer->cmdstat.residual;  in read_tape()
2084 			STps->drv_block += STbp->buffer_bytes / STp->block_size;  in read_tape()
2131 			  STps->eof, STbp->buffer_bytes);  in st_read()
2139 	if (STbp->buffer_bytes == 0 &&  in st_read()
2169 		if (STbp->buffer_bytes == 0) {  in st_read()
2178 		if (STbp->buffer_bytes > 0) {  in st_read()
2183 					  STps->eof, STbp->buffer_bytes,  in st_read()
2186 			transfer = STbp->buffer_bytes < count - total ?  in st_read()
2187 			    STbp->buffer_bytes : count - total;  in st_read()
2230 		STbp->buffer_bytes = 0;  in st_read()
2894 		if (STp->dirty || (STp->buffer)->buffer_bytes != 0)  in st_int_ioctl()
2980 			(STp->buffer)->buffer_bytes = (STp->buffer)->read_pointer = 0;  in st_int_ioctl()
3657 				    (STp->buffer)->buffer_bytes / STp->block_size;  in st_ioctl()
3660                                         ((STp->buffer)->buffer_bytes +  in st_ioctl()
3897 	for (i = 0, offset = st_bp->buffer_bytes;  in append_to_buffer()
3911 		st_bp->buffer_bytes += cnt;  in append_to_buffer()
3943 		st_bp->buffer_bytes -= cnt;  in from_buffer()
3965 	total=st_bp->buffer_bytes - offset;  in move_buffer_data()
3973 	st_bp->buffer_bytes = st_bp->read_pointer = total;  in move_buffer_data()